Optical fiber splice closure
The design of screws, connecting rods, and locking blocks solves the problem of needing tools to separate the fiber optic splice box housing, enabling quick disassembly and fixing, improving maintenance efficiency and communication quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-06
- Publication Date
- 2026-04-10
AI Technical Summary
Existing fiber optic splice boxes use screws to connect the upper and lower housings, which requires tools to separate them during maintenance, making the operation cumbersome and affecting the efficiency of fiber optic maintenance.
The structure adopts a screw, connecting rod and locking block design. By rotating the screw, the connecting rod and locking block are driven to move down or up along the nut, so as to realize the quick disassembly and fixing of the upper and lower housings, avoiding the dependence on tools.
The maintenance process of fiber optic splice boxes has been simplified, maintenance efficiency has been improved, and the use of PC engineering plastic material has enhanced the stability of signal transmission and communication quality.
Smart Images

Figure CN224109701U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of optical fiber splicing box, specifically is a kind of optical fiber splicing box. BACKGROUND
[0002] Optical fiber splicing box is a tool for connecting optical cable, and the optical cable splicing box is connected by two or more optical cables together, and the splicing part of the protection component is one of the important equipment that must be used in optical cable line engineering construction, and the quality of optical cable splicing box directly affects the quality and service life of optical cable line.
[0003] For the related technology in the above, the inventor believes that there are the following defects: the existing optical fiber splicing box is usually composed of upper and lower shells, and the upper and lower shells are usually connected by screws, so that the staff needs to use tools to separate the upper and lower shells of the splicing box when maintaining, the operation is more cumbersome, and the efficiency of optical fiber maintenance is affected, so we propose an optical fiber splicing box to solve the above problems. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides an optical fiber splicing box, which solves the problem that the upper and lower shells are connected by screws, so that the staff needs to use tools to separate the upper and lower shells of the splicing box when maintaining, the operation is more cumbersome, and the efficiency of optical fiber maintenance is affected.
[0005] To achieve the above purpose, the utility model realizes the following technical scheme: an optical fiber splicing box, comprising an upper shell and a lower shell, the four corners of the top of the upper shell are provided with nuts, the inner walls of the nuts are sleeved with screw rods, the four corners of the lower shell are provided with through holes, and the four corners of the lower shell are provided with through grooves, and the through grooves are communicated with the through holes;
[0006] The four corners of the bottom of the lower shell and the outer walls of the through holes are provided with clamping grooves, the bottoms of the screw rods are sleeved with connecting rods, the outer walls of the connecting rods are provided with clamping blocks on the left and right sides, and the screw rods and the connecting rods penetrate through the through holes respectively, and the two clamping blocks penetrate through the through grooves and are located in the inner walls of the clamping grooves.
[0007] Preferably, the bottom of the upper shell is provided with two rectangular blocks, the top of the lower shell is provided with rectangular grooves, and the two rectangular blocks are inserted into the inner walls of the two rectangular grooves.
[0008] Preferably, the bottom of the upper shell is provided with a recess, and the top of the lower shell is fixedly provided with a sealing pad, and the recess is located in the inside of the sealing pad.
[0009] Preferably, the number of the nuts and the number of the threaded rods are both four, the four threaded rods are sleeved on the inner walls of the four nuts and are located at the four corners of the upper shell, and the four through holes are respectively arranged at the four corners of the lower shell.
[0010] Preferably, the through hole is communicated with the through slot and the clamping slot, and the clamping slot is located at the bottom of the lower shell and the through hole.
[0011] Preferably, the top of the threaded rod is provided with a handle, the bottom of the handle is provided with a rotating slot, the connecting rod is sleeved on the inner wall of the rotating slot, and the two clamping blocks are fixedly installed at the bottom of the connecting rod.
[0012] Preferably, the upper shell and the lower shell are both made of PC engineering plastic material.
[0013] Beneficial effects
[0014] The utility model provides a kind of optical fiber splicing box.Compared with prior art, the following beneficial effects are achieved:
[0015] 1、the optical fiber splicing box, by rotating threaded rod, connecting rod and two clamping blocks are driven to move down along nut, so that two clamping blocks are separated from the inner wall of clamping slot, at this time, rotating connecting rod drives two clamping blocks, and it enters the inside of through slot, and the upper shell and the lower shell are released fixed, to further facilitate the repair of optical fiber.
[0016] 2、the optical fiber splicing box, by inserting the bottom of threaded rod in the inner wall of through hole, and two clamping blocks are penetrated through through slot, at this time, rotating connecting rod drives two clamping blocks and clamping slot vertically, and rotating threaded rod drives connecting rod and two clamping blocks respectively, and it rises along nut, so that clamping block enters the inner wall of clamping slot, to further connect the upper shell and the lower shell. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the whole structure schematic diagram of the utility model;
[0018] Figure 2 It is the upper shell explosion structure schematic diagram of the utility model;
[0019] Figure 3 It is the connecting rod connection schematic diagram of the utility model;
[0020] Figure 4 It is the through slot structure schematic diagram of the utility model.
[0021] In the drawing: 1, upper shell;11, rectangular block;12, recess;2, lower shell;21, rectangular slot;22, sealing gasket;3, nut;4, threaded rod;41, handle;42, rotating slot;5, rubber ring;6, connecting rod;8, through hole;81, clamping slot;9, clamping block;10, through slot. DETAILED DESCRIPTION
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figures 1-4 This utility model provides a technical solution: an optical fiber splice box, including an upper shell 1 and a lower shell 2. Nuts 3 are installed at the four corners of the top of the upper shell 1, and screws 4 are sleeved on the inner walls of the nuts 3. At the same time, through holes 8 are opened at the four corners of the lower shell 2, and through grooves 10 are opened at the four corners of the lower shell 2, which are connected to the through holes 8. Slots 81 are opened at the four corners of the bottom of the lower shell 2 and on the outer walls of the through holes 8. Connecting rods 6 are sleeved on the bottom of the screws 4. At the same time, locking blocks 9 are installed on the left and right sides of the outer walls of the connecting rods 6. The screws 4 and the connecting rods 6 pass through the through holes 8, and the two locking blocks 9 pass through the through grooves 10 and are located on the inner walls of the locking grooves 81.
[0024] Nut 3 can be installed through upper housing 1. Since screw 4 is sleeved on the inner wall of nut 3 and connecting rod 6 is sleeved on the bottom of screw 4, and locking blocks 9 are installed on both sides of the outer wall of connecting rod 6, rotating screw 4 will cause connecting rod 6 and two locking blocks 9 to move down along nut 3 under the action of the thread, so that the two locking blocks 9 disengage from the inner wall of locking groove 81. At this time, the user can rotate connecting rod 6 to drive the two locking blocks 9 into the interior of through groove 10, thereby releasing the upper housing 1 and lower housing 2 from fixation. This avoids the screw connection between upper housing 1 and lower housing 2, which would require tools to separate upper housing 1 and lower housing 2 during maintenance, affecting the efficiency of fiber optic maintenance.
[0025] See Figure 1 , Figure 2 The bottom of the upper housing 1 is equipped with two rectangular blocks 11, and the top of the lower housing 2 is provided with a rectangular groove 21. The two rectangular blocks 11 are inserted into the inner wall of the two rectangular grooves 21. The bottom of the upper housing 1 is provided with a groove 12, and the top of the lower housing 2 is fixedly installed with a sealing gasket 22. The groove 12 is located inside the sealing gasket 22.
[0026] Two rectangular blocks 11 are mounted on the bottom of the upper shell 1, and the top of the lower shell 2 is provided with a rectangular groove 21, so that when the upper shell 1 is connected with the lower shell 2, the two rectangular blocks 11 are inserted into the inner wall of the two grooves 12, which not only can preliminarily position the upper shell 1 and the lower shell 2, but also can keep the nut 3 and the through hole 8 vertical, and because the groove 12 is located inside the sealing gasket 22, the sealing gasket 22 can seal the groove 12, thereby sealing the box body and preventing dust from entering the inside of the box body.
[0027] Referring to Figure 1 , Figure 4 , the number of the nut 3, the screw rod 4 and the through hole 8 is four, four screw rods 4 are sleeved on the inner wall of four nuts 3 and located at the four corners of the upper shell 1, and four through holes 8 are respectively provided at the four corners of the lower shell 2, the through hole 8 is communicated with the through slot 10 and the clamping groove 81, and the clamping groove 81 is located at the bottom of the lower shell 2 and the through hole 8.
[0028] The number of the nut 3, the screw rod 4 and the through hole 8 is four, four screw rods 4 are sleeved on the inner wall of four nuts 3 and located at the four corners of the upper shell 1, and four through holes 8 are respectively provided at the four corners of the lower shell 2, thereby respectively inserting the bottom of the four screw rods 4 into the inner wall of the four through holes 8, and making the two clamping blocks 9 penetrate through the through slot 10, at this time, rotating the four connecting rods 6 in turn drives the two clamping blocks 9 and the clamping groove 81 vertical, and rotating the four screw rods 4 in turn drives the connecting rod 6 and the two clamping blocks 9, and rising along the four nuts 3, which can make the clamping block 9 enter the inner wall of the clamping groove 81, thereby connecting the upper shell 1 and the lower shell 2.
[0029] Referring to Figure 1 , Figure 3 , the top of the screw rod 4 is provided with a handle 41, and the bottom of the handle 41 is provided with a rotating groove 42, the connecting rod 6 is sleeved on the inner wall of the rotating groove 42, and the two clamping blocks 9 are fixedly installed on the bottom of the connecting rod 6, and the upper shell 1 and the lower shell 2 are made of PC engineering plastic material.
[0030] The rotating groove 42 provided at the bottom of the screw rod 4 can be used to install the connecting rod 6, and since the top of the screw rod 4 is provided with the handle 41 and the two clamping blocks 9 are fixedly installed on the bottom of the connecting rod 6, rotating the handle 41 can drive the screw rod 4, the connecting rod 6 and the two clamping blocks 9 to rise or fall along the nut 3, and rotating the connecting rod 6 can adjust the direction of the two clamping blocks 9, and since the upper shell 1 and the lower shell 2 are made of PC engineering plastic material, the stability, insulation, corrosion resistance and wear resistance of PC material are good, and it also has very high impact resistance, thereby not only can reduce the interference in the signal transmission process, but also can improve the communication quality.
[0031] When working, the nut 3 can be installed through the upper shell 1, since the screw rod 4 is sleeved on the inner wall of the nut 3, the connecting rod 6 is sleeved on the bottom of the screw rod 4, and the left and right sides of the outer wall of the connecting rod 6 are both provided with the clamping block 9, so that the screw rod 4 is rotated, the connecting rod 6 and the two clamping blocks 9 are driven to move downward along the nut 3 under the action of the thread, so that the two clamping blocks 9 are separated from the inner wall of the clamping groove 81, at this time, the user rotates the connecting rod 6 to drive the two clamping blocks 9 to enter the inside of the through slot 10, so that the upper shell 1 and the lower shell 2 can be fixed, so that the screw connection of the upper shell 1 and the lower shell 2 can be avoided, so that when maintaining, the tool is needed to separate the upper shell 1 and the lower shell 2, and the optical fiber maintenance efficiency is affected.
[0032] The two rectangular blocks 11 are installed at the bottom of the upper shell 1, and the rectangular groove 21 is arranged at the top of the lower shell 2, so that when the upper shell 1 is connected with the lower shell 2, the two rectangular blocks 11 are inserted into the inner wall of the two grooves 12, which not only can preliminarily position the upper shell 1 and the lower shell 2, but also can make the nut 3 and the through hole 8 keep vertical, and since the groove 12 is located in the inside of the sealing gasket 22, the sealing gasket 22 can seal the groove 12, so that the box body is sealed, preventing dust from entering the inside of the box body.
[0033] The number of the nut 3, the screw rod 4 and the through hole 8 is four, since the four screw rods 4 are sleeved on the inner wall of the four nuts 3 and located at the four corners of the upper shell 1, and the four through holes 8 are respectively arranged at the four corners of the lower shell 2, so that the bottom of the four screw rods 4 is respectively inserted into the inner wall of the four through holes 8, and the two clamping blocks 9 penetrate through the through slot 10, at this time, the four connecting rods 6 are rotated in sequence to drive the two clamping blocks 9 and the clamping groove 81 to be vertical, and the four screw rods 4 are rotated in sequence to drive the connecting rod 6 and the two clamping blocks 9 to ascend along the four nuts 3, so that the clamping block 9 enters the inner wall of the clamping groove 81, and the upper shell 1 and the lower shell 2 can be connected.
[0034] The rotating groove 42 is arranged at the bottom of the screw rod 4, so that the connecting rod 6 can be installed, since the handle 41 is installed at the top of the screw rod 4, and the two clamping blocks 9 are fixedly installed at the bottom of the connecting rod 6, so that rotating the handle 41 can drive the screw rod 4, the connecting rod 6 and the two clamping blocks 9 to ascend or descend along the nut 3, and rotating the connecting rod 6 can adjust the direction of the two clamping blocks 9, and since the upper shell 1 and the lower shell 2 are both made of PC engineering plastic material, the stability, insulation, corrosion resistance and wear resistance of the PC material are good, and the impact resistance is also very high, so that not only the interference in the signal transmission process can be reduced, but also the communication quality can be improved.
[0035] In summary, the device rotates the screw rod 4, drives the connecting rod 6 and the two clamping blocks 9 to move downwards along the nut 3, so that the two clamping blocks 9 are separated from the inner wall of the clamping groove 81, at this time, rotating the connecting rod 6 drives the two clamping blocks 9 to enter the inside of the through groove 10, so as to fix the upper shell 1 and the lower shell 2, and then the optical fiber can be repaired.
[0036] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.
Claims
1. An optical fiber splice closure comprising an upper housing (1) and a lower housing (2), characterized in that: The upper shell (1) top of the four corners are equipped with nut (3), and the inner wall of the nut (3) are sleeved with screw rod (4), while the lower shell (2) four corners are provided with through hole (8), and the four corners of the lower shell (2) are provided with through slot (10), the through slot (10) and the through hole (8) are communicated; The lower shell (2) bottom of the four corners and located on the outer wall of the through hole (8) are provided with clamping groove (81), and the bottom of the screw rod (4) are sleeved with connecting rod (6), while the outer wall of the connecting rod (6) left and right sides are equipped with clamping block (9), the screw rod (4) and the connecting rod (6) are respectively through through hole (8), two clamping block (9) through through slot (10) and two clamping block (9) located in the inner wall of the clamping groove (81).
2. An optical fiber splice tray as set forth in claim 1, further comprising: The bottom of the upper shell (1) is equipped with two rectangular blocks (11), and the top of the lower shell (2) is provided with rectangular groove (21), while two rectangular block (11) plug-in two rectangular groove (21) inner wall.
3. An optical fiber splice tray as set forth in claim 1, further comprising: The bottom of the upper shell (1) is provided with recess (12), and the top of the lower shell (2) is fixedly installed with sealing gasket (22), the recess (12) is located in the sealing gasket (22) inside.
4. An optical fiber splice tray as set forth in claim 1, further comprising: The number of the nut (3), the screw rod (4) and the through hole (8) are four, four screw rod (4) are sleeved in the inner wall of four nut (3) and located in the four corners of the upper shell (1), while four through hole (8) are respectively provided in the four corners of the lower shell (2).
5. An optical fiber splice tray as set forth in claim 1, further comprising: The through hole (8) and through slot (10) and clamping groove (81) are communicated, the clamping groove (81) is located in the bottom of the lower shell (2) and through hole (8).
6. An optical fiber splice tray as set forth in claim 1, further comprising: The top of the screw rod (4) is equipped with handle (41), and the bottom of the handle (41) is provided with rotating groove (42), the connecting rod (6) is sleeved in the inner wall of rotating groove (42), and two clamping block (9) are fixedly installed on the bottom of the connecting rod (6).
7. An optical fiber splice tray as set forth in claim 1, further comprising: The upper shell (1) and the lower shell (2) are made of PC engineering plastic material.