Buried waterproof optical cable cross-connecting box

Abstract

The utility model relates to the technical field of optical communication equipment, and discloses a buried waterproof optical cable cross-connecting box which comprises a waterproof box, the lower surface of the waterproof box is fixedly connected with a supporting plate, the lower surface of the supporting plate is fixedly connected with a plurality of threaded sleeves, the inner side walls of the threaded sleeves are all in threaded connection with adjusting rods, and the adjusting rods are in threaded connection with the waterproof box. Anti-corrosion gaskets are fixedly connected to the lower surfaces of the multiple adjusting rods, fixing pieces are fixedly connected to the upper surface of the supporting plate and the left side and the right side of the waterproof box through bolts, and an optical cable cross-connecting equipment body is fixedly connected to the rear surface of the interior of the waterproof box. The waterproof box can effectively prevent internal components of the optical cable cross-connecting equipment body from being damaged, and the height of the waterproof box in an underground well hole can be adjusted by rotating the plurality of adjusting rods during installation, so that rainwater below the underground well hole can be effectively prevented from soaking the equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of optical communication equipment, in particular to an underground waterproof optical cable junction box. Background Art

[0002] The optical cable junction box is an interface device at the junction of the trunk optical cable and the distribution optical cable in the optical cable access network. After the optical cable is connected to the optical cable junction box, it is fixed, terminated, and fiber-matched, and then the trunk layer optical cable and the distribution layer optical cable are connected using jumper fibers. With the continuous growth of information transmission volume and broadband service demand and the demand for fiber-to-the-home construction, the laying area of ​​optical fiber communication lines is becoming more and more extensive, which directly leads to the large use of junction box equipment for optical fiber connection and positioning and its wide range of use;

[0003] The existing traditional optical cable junction boxes are all installed on the ground, occupying land resources, and the inconsistent sizes and appearances affect the appearance of the city, hinder the safety of traffic pedestrians, and are prone to damage and theft. In addition, after the existing underground optical cable junction boxes are buried, due to the underground humidity, the buried optical cable junction boxes need to be well sealed and moisture-proof. However, the movable sealing structure such as the sealing door will not be sealed tightly after long-term use, resulting in accelerated corrosion of the internal components of the junction box. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide an underground waterproof optical cable junction box, which can solve the problems that the existing traditional optical cable junction boxes are all installed on the ground, occupying land resources, and having inconsistent sizes and appearances that affect the city appearance and hinder traffic and pedestrian safety, and are also easily damaged and stolen. Moreover, after the existing underground optical cable junction boxes are buried, due to underground moisture, it is necessary to do a perfect sealing and moisture-proof work on the buried optical cable junction boxes, but the movable sealing structure such as the sealing door will not be sealed tightly after long-term use, resulting in the problem of accelerated corrosion of the internal components of the junction box.

[0005] To solve the above technical problems, according to one aspect of the utility model, more specifically, an underground waterproof optical cable junction box includes a waterproof box, the lower surface of the waterproof box is fixedly connected to a support plate, the lower surface of the support plate is fixedly connected to a plurality of threaded sleeves, the inner side walls of the plurality of threaded sleeves are threadedly connected to adjustment rods, the lower surfaces of the plurality of adjustment rods are fixedly connected to anti-corrosion gaskets, the upper surface of the support plate and the left and right sides of the waterproof box are fixedly connected to fixings by bolts, and the inner rear surface of the waterproof box is fixedly connected to an optical cable junction equipment body.

[0006] Furthermore, a through-type inspection groove is integrally formed on the inner front surface of the waterproof box, a baffle is fixedly connected to the inner side wall of the inspection groove, a sealing door is rotatably connected to the inner front surface of the waterproof box and located on the left side of the inspection groove through a hinge, a plurality of extrusion boxes are fixedly connected to the rear surface of the sealing door, an extrusion plate is provided on the rear surface of each of the plurality of extrusion boxes, a piston plate 1 is slidably connected to the interior of each of the plurality of extrusion boxes, an extrusion rod is fixedly connected to the rear surfaces of each of the plurality of extrusion plates respectively, a plurality of return springs 1 are fixedly connected to the rear surfaces of each of the plurality of extrusion boxes respectively, a sealing air bag is fixedly connected to each of the plurality of extrusion boxes and the side close to the inspection groove, and the plurality of sealing air bags are respectively communicated with the plurality of extrusion boxes.

[0007] Furthermore, a rotating handle is provided on the right side of the front surface of the sealing door, and a control chamber is integrally formed inside the sealing door, and the inner rear surface of the control chamber is rotatably connected to a connecting sleeve through a rotating shaft, and the outer wall of the connecting sleeve is fixedly connected to a control gear, and the inner upper and lower surfaces of the connecting sleeve are provided with limiting sliding grooves, and the interiors of the two limiting sliding grooves are slidably connected with connecting blocks, and the opposite sides of the two connecting blocks are commonly fixedly connected with a sliding circular plate, and a return spring two is fixedly connected between the rear surface of the sliding circular plate and the connecting sleeve, and a connecting rod is fixedly connected to the front surface of the sliding circular plate, and the front end of the connecting rod is fixedly connected to the rotating handle.

[0008] Furthermore, a piston plate 2 is symmetrically and slidably connected inside the control chamber, and rack plates are fixedly connected to opposite sides of the two piston plates, and the control gear is meshingly connected to the two rack plates, and an extension chamber is provided on the right side of the sealing door and above and below the control chamber, and air holes are provided between the left sides of the two extension chambers and the control chamber, and plug rods are slidably connected inside the two extension chambers, and limiting rings are fixedly connected to the right sides of the two air holes, and a plurality of fixing holes are provided on the front surface of the sealing door and behind the rotating handle, and a snap-fitting protrusion is fixedly connected to the rear surface of the rotating handle, and the rear surface of the snap-fitting protrusion extends to the interior of the fixing hole described above, and plugging holes are provided on the upper right side and the lower right side of the interior of the inspection slot.

[0009] Furthermore, a transparent observation window is fixedly connected to the left side of the front surface of the sealed door.

[0010] Furthermore, the outer side wall of the rotating handle is sleeved with a stainless steel sleeve.

[0011] The beneficial effects of the underground waterproof optical cable junction box of the utility model are:

[0012] The waterproof box can effectively prevent the internal components of the optical cable handover equipment from being damaged. At the same time, during installation, multiple adjustment rods can be rotated to adjust the height of the waterproof box inside the underground well hole, thereby effectively preventing rainwater under the underground well hole from soaking the equipment.

[0013] By rotating the closed sealing door to the inside of the inspection slot, the inside of multiple sealing airbags is inflated by squeezing the baffle plate. After the multiple sealing airbags are inflated, the gap between the sealing door and the inspection slot is sealed, thereby preventing underground moisture and water vapor from entering the inside of the waterproof box and causing corrosion of the components inside the optical cable handover equipment body;

[0014] After pulling the rotating handle to pull the engaging protrusion out of the fixing hole, continue to rotate the rotating handle to plug the two connecting rods into the two connecting holes, and then loosen the rotating handle to re-engage the engaging protrusion into the corresponding fixing holes, thereby limiting and fixing the rotating handle, thereby fixing the sealing door and the inspection groove, which can effectively prevent corrosion of components inside the optical cable junction equipment body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0016] Figure 1 This is a schematic diagram of the overall structure of the underground waterproof optical cable junction box of the utility model;

[0017] Figure 2 It is a side structural schematic diagram of the cross section of the waterproof box of the underground waterproof optical cable junction box of the utility model;

[0018] Figure 3 It is a rear view overall structural schematic diagram of the sealed door of the underground waterproof optical cable junction box of the utility model;

[0019] Figure 4 It is a schematic diagram of the overall structure inside the extrusion box of the underground waterproof optical cable junction box of the utility model;

[0020] Figure 5 It is a rear structural schematic diagram of a cross section of a sealing door of an underground waterproof optical cable junction box of the utility model;

[0021] Figure 6 It is a side structural schematic diagram of the cross section of the sealing door of the underground waterproof optical cable junction box of the utility model;

[0022] Figure 7 The utility model is a buried waterproof optical cable junction box Figure 5 A schematic diagram of the enlarged structure at A in the middle;

[0023] Figure 8The utility model is a buried waterproof optical cable junction box Figure 6 Schematic diagram of the enlarged structure at point B in the middle.

[0024] In the figure: 1. waterproof box; 2. support plate; 3. threaded sleeve; 4. adjusting rod; 5. anti-corrosion gasket; 6. fixing piece; 7. optical cable handover equipment body; 8. inspection slot; 9. baffle; 10. sealing door; 11. extrusion box; 12. extrusion plate; 13. piston plate one; 14. extrusion rod; 15. reset spring one; 16. sealing airbag; 17. turning handle; 18. control chamber; 19. connecting sleeve; 20. control gear; 21. limit slide groove; 22. connecting block; 23. sliding circular plate; 24. reset spring two; 25. connecting rod; 26. piston plate two; 27. rack plate; 28. extension chamber; 29. ​​air hole; 30. plug-in rod; 31. limit ring; 32. engaging protrusion; 33. plug-in hole; 34. transparent observation window; 35. stainless steel sleeve; 36. fixing hole. DETAILED DESCRIPTION

[0025] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0026] According to one aspect of the present invention, Figure 1-8 As shown, an underground waterproof optical cable junction box is provided, including a waterproof box 1, a support plate 2 is fixedly connected to the lower surface of the waterproof box 1, a plurality of threaded sleeves 3 are fixedly connected to the lower surface of the support plate 2, the inner side walls of the plurality of threaded sleeves 3 are all threadedly connected to adjustment rods 4, the lower surfaces of the plurality of adjustment rods 4 are all fixedly connected to anti-corrosion gaskets 5, the upper surface of the support plate 2 and the left and right sides of the waterproof box 1 are fixedly connected to fixing members 6 by bolts, and the inner rear surface of the waterproof box 1 is fixedly connected to an optical cable junction device body 7;

[0027] When the utility model is used, when the optical cable connection device body 7 is set underground in the city, since the inside of the underground well hole is humid and rainwater is easily accumulated, the waterproof box 1 set can effectively prevent the internal components of the optical cable connection device body 7 from being damaged. At the same time, during installation, the multiple adjustment rods 4 can be rotated separately to adjust the height of the waterproof box 1 inside the underground well hole, thereby effectively preventing rainwater under the underground well hole from soaking the equipment. At the same time, the multiple anti-corrosion gaskets 5 set can effectively and permanently support the equipment.

[0028] In this embodiment, a through-type inspection slot 8 is integrally formed on the inner front surface of the waterproof box 1, and a baffle 9 is fixedly connected to the inner side wall of the inspection slot 8. A sealing door 10 is rotatably connected to the inner front surface of the waterproof box 1 and is located on the left side of the inspection slot 8 through a hinge. A plurality of extrusion boxes 11 are fixedly connected to the rear surface of the sealing door 10, and an extrusion plate 12 is provided on the rear surface of each of the plurality of extrusion boxes 11. A piston plate 13 is slidably connected to the interior of each of the plurality of extrusion boxes 11. An extrusion rod 14 is fixedly connected to the rear surfaces of each of the plurality of piston plates 13 and the plurality of extrusion plates 12, respectively. A plurality of return springs 15 are fixedly connected to the rear surfaces of each of the plurality of piston plates 13 and the plurality of extrusion boxes 11, respectively. A sealing air bag 16 is fixedly connected to each of the plurality of extrusion boxes 11 and the side close to the inspection slot 8, and the plurality of sealing air bags 16 are respectively connected to the plurality of extrusion boxes 11.

[0029] When the utility model is used, after the debugging of the optical cable handover equipment body 7 is completed, the sealing door 10 is rotated to the inside of the inspection groove 8, so that the multiple extrusion plates 12 behind the sealing door 10 are squeezed by the baffle 9 and drive the multiple piston plates 13 to slide through the multiple extrusion rods 14, so that the multiple sealing air bags 16 are inflated by the squeezing of the multiple piston plates 13. After the multiple sealing air bags 16 are inflated, the gap between the sealing door 10 and the inspection groove 8 is sealed, so as to prevent underground moisture and water vapor from entering the interior of the waterproof box 1 and causing corrosion of the internal components of the optical cable handover equipment body 7. At the same time, the multiple reset springs 15 can reset the multiple extrusion plates 12 when the sealing door 10 is opened.

[0030] In this embodiment, a rotating handle 17 is provided on the right side of the front surface of the sealing door 10, and a control chamber 18 is integrally formed inside the sealing door 10. A connecting sleeve 19 is rotatably connected to the inner rear surface of the control chamber 18 through a rotating shaft, and a control gear 20 is fixedly connected to the outer wall of the connecting sleeve 19. Limiting slide grooves 21 are provided on the inner upper and lower surfaces of the connecting sleeve 19, and connecting blocks 22 are slidably connected to the inside of the two limiting slide grooves 21. The opposite sides of the two connecting blocks 22 are commonly fixedly connected with a sliding circular plate 23, and a reset spring 24 is fixedly connected between the rear surface of the sliding circular plate 23 and the connecting sleeve 19. A connecting rod 25 is fixedly connected to the front surface of the sliding circular plate 23, and the front end of the connecting rod 25 is fixedly connected to the rotating handle 17;

[0031] When the utility model is used, the connecting rod 25 is pulled out from the inside of the connecting sleeve 19 by pulling the rotating handle 17 provided outward, and the connecting rod 25 drives the two connecting blocks 22 to slide outward inside the two limiting sliding grooves 21 through the sliding circular plate 23 provided. When the rotating handle 17 is pulled outward to a certain position, the control gear 20 is rotated by rotating the rotating handle 17 provided, so that the sealing door 10 and the inspection slot 8 are fixedly locked by rotating the control gear 20.

[0032] In the present embodiment, a piston plate 26 is symmetrically slidably connected inside the control chamber 18, and rack plates 27 are fixedly connected to the opposite sides of the two piston plates 26, and the control gear 20 is meshingly connected with the two rack plates 27. An extension chamber 28 is provided on the right side of the sealed door 10 and above and below the control chamber 18, and air holes 29 are provided between the left sides of the two extension chambers 28 and the control chamber 18, and a plug-in rod 30 is slidably connected inside the two extension chambers 28, and a limiting ring 31 is fixedly connected to the right sides of the two air holes 29, and a plurality of fixing holes 36 are provided on the front surface of the sealed door 10 and behind the rotating handle 17, and a snap-fitting protrusion 32 is fixedly connected to the rear surface of the rotating handle 17, and the rear surface of the snap-fitting protrusion 32 extends to the inside of the upper fixing hole 36, and a plug-in hole 33 is provided on the upper right side and the lower right side of the inside of the inspection slot 8;

[0033] When the utility model is used, after pulling the rotating handle 17 outward and then continuing to rotate the rotating handle 17, the control gear 20 is driven to rotate by the rotating handle 17, and the two rack plates 27 are driven to slide opposite to each other by the rotation of the control gear 20, so that the two piston plates 26 are driven to slide opposite to each other inside the control chamber 18 by the two rack plates 27, and the two plug-in rods 30 extending out of the chamber 28 are driven to be plugged into the two plug-in holes 33 through the squeezing of the two piston plates 26 and the two air holes 29, and at the same time, the rotating handle 17 is released, and the engaging protrusion 32 is engaged with the corresponding fixing hole 36 through the rebound of the reset spring 24, so as to prevent the control gear 20 from rotating to make the engagement between the sealing door 10 and the inspection slot 8 fail, thereby causing the overall sealing failure of the waterproof box 1.

[0034] In this embodiment, a transparent observation window 34 is fixedly connected to the left side of the front surface of the sealing door 10. The transparent observation window 34 can facilitate maintenance personnel to observe the working condition of the equipment.

[0035] In this embodiment, a stainless steel sleeve 35 is provided on the outer wall of the rotating handle 17. The stainless steel sleeve 35 can prevent the rotating handle 17 from being in a humid environment for a long time and causing rust damage.

[0036] The working principle of the device is: when the utility model is used, when the optical cable handover equipment body 7 is set in the underground of the city, since the inside of the underground well hole is humid and easy to accumulate rainwater, the waterproof box 1 set can effectively prevent the internal components of the optical cable handover equipment body 7 from being damaged, and at the same time, during installation, the multiple adjustment rods 4 can be rotated separately to adjust the height of the waterproof box 1 inside the underground well hole, thereby effectively preventing the rainwater under the underground well hole from soaking the equipment, and at the same time, the multiple anti-corrosion gaskets 5 set can effectively and permanently support the equipment.

[0037] The electrical components that appear in this article are all electrical components that exist in reality.

[0038] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention also fall within the protection scope of the present invention.

Claims

1. An underground waterproof optical cable junction box, comprising a waterproof box (1), characterized in that: The lower surface of the waterproof box (1) is fixedly connected to a support plate (2), the lower surface of the support plate (2) is fixedly connected to a plurality of threaded sleeves (3), the inner side walls of the plurality of threaded sleeves (3) are threadedly connected to adjustment rods (4), the lower surfaces of the plurality of adjustment rods (4) are fixedly connected to anti-corrosion gaskets (5), the upper surface of the support plate (2) and the left and right sides of the waterproof box (1) are fixedly connected to fixing parts (6) by bolts, and the inner rear surface of the waterproof box (1) is fixedly connected to an optical cable handover device body (7).

2. The underground waterproof optical cable junction box according to claim 1 is characterized in that: The front surface of the interior of the waterproof box (1) is integrally formed with a through-type inspection slot (8), the inner side wall of the inspection slot (8) is fixedly connected to a baffle plate (9), the front surface of the interior of the waterproof box (1) and located to the left of the inspection slot (8) is rotatably connected to a sealing door (10) through a hinge, the rear surface of the sealing door (10) is fixedly connected to a plurality of extrusion boxes (11), the rear surfaces of the plurality of extrusion boxes (11) are all provided with an extrusion plate (12), and the interiors of the plurality of extrusion boxes (11) are slidably connected to A piston plate (13), a plurality of piston plates (13) having rear surfaces respectively fixedly connected to the plurality of extrusion plates (12) with extrusion rods (14), a plurality of return springs (15) respectively fixedly connected to the plurality of extrusion boxes (11) with rear surfaces respectively, a plurality of extrusion boxes (11) having sealing air bags (16) fixedly connected on one side close to the inspection slot (8), and a plurality of sealing air bags (16) respectively communicating with the plurality of extrusion boxes (11).

3. The underground waterproof optical cable junction box according to claim 2 is characterized in that: A rotating handle (17) is arranged on the right side of the front surface of the sealing door (10), and a control chamber (18) is integrally formed inside the sealing door (10). The inner rear surface of the control chamber (18) is rotatably connected to a connecting sleeve (19) via a rotating shaft, and the outer wall of the connecting sleeve (19) is fixedly connected to a control gear (20). The inner upper surface and lower surface of the connecting sleeve (19) are provided with limiting sliding grooves (21), and the interiors of the two limiting sliding grooves (21) are slidably connected to connecting blocks (22), and the opposite sides of the two connecting blocks (22) are fixedly connected to a sliding circular plate (23), and a reset spring (24) is fixedly connected between the rear surface of the sliding circular plate (23) and the connecting sleeve (19), and a connecting rod (25) is fixedly connected to the front surface of the sliding circular plate (23), and the front end of the connecting rod (25) is fixedly connected to the rotating handle (17).

4. The underground waterproof optical cable junction box according to claim 3 is characterized in that: The control chamber (18) is symmetrically and slidably connected with a piston plate (26) inside, and the opposite sides of the two piston plates (26) are fixedly connected with a rack plate (27), and the control gear (20) is meshingly connected with the two rack plates (27). An extension chamber (28) is provided on the right side of the sealing door (10) and above and below the control chamber (18), and an air hole (29) is provided between the left side of the inside of the two extension chambers (28) and the control chamber (18). The inside of the two extension chambers (28) is provided with a plurality of air holes (29). The two parts are slidably connected with a plug-in rod (30), the inner right sides of the two air holes (29) are fixedly connected with a limiting ring (31), the front surface of the sealing door (10) and located behind the rotating handle (17) are provided with a plurality of fixing holes (36), the rear surface of the rotating handle (17) is fixedly connected with a snap-fitting protrusion (32), the rear surface of the snap-fitting protrusion (32) extends to the interior of the fixing hole (36) mentioned above, and the inner upper right side and lower right side of the inspection slot (8) are provided with plug-in holes (33).

5. The underground waterproof optical cable junction box according to claim 2 is characterized in that: A transparent observation window (34) is fixedly connected to the left side of the front surface of the sealing door (10).

6. The underground waterproof optical cable junction box according to claim 4 is characterized in that: The outer side wall of the rotating handle (17) is sleeved with a stainless steel sleeve (35).

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