Fiber Optic Termination Device

Abstract

The present invention discloses an optical fiber termination device, including a box body with an access hole and a plurality of wiring terminals, a receiving chamber with two open ends is arranged inside the box body, one open end of the receiving chamber is arranged near the access hole, and the other open end of the receiving chamber is arranged near each wiring terminal, and a plurality of channels are arranged in parallel inside the receiving chamber, and the optical fiber can enter the box body through the access hole, and each pigtail of the optical fiber can reach each wiring terminal through each channel. In the above structure, each pigtail of the optical fiber is separated inside the box body by the receiving chamber, and when multiple constructions are required, since the pigtails are in an independent space, other pigtails will not be affected during the construction process. At the same time, the receiving chamber arranges each pigtail in the channel, avoiding the influence of the external environment on each pigtail and the occurrence of pigtail damage.

Description

Technical Field

[0001] The present invention relates to the technical field of communication equipment, and in particular to an optical fiber termination device. Background Art

[0002] Fiber optic termination devices are used to terminate, branch, distribute, split optical cables and optical fibers, and provide protection and management for optical fiber cables. With the continuous development of optical communications, fiber optic cable junction boxes play a vital role in both cross-national and cross-provincial trunk lines and at the end of FTTH (Fiber To The Home). Due to its advantages of high concentration and high density, it is widely used in optical cable lines.

[0003] In the prior art, the incoming optical fiber and the distribution optical fiber of the optical fiber termination device are multiple single-core pigtails, and the number of pigtails is generally twelve. During the construction process, after entering the termination device, the twelve pigtails are bundled together. In actual construction, the twelve pigtails are often not completed in one go. For example, four pigtails are constructed for the first time, and four pigtails are constructed for the second time, for a total of three constructions. During the second and third constructions, since the pigtails are in the same channel as the first construction, they will inevitably affect the first construction pigtails. The optical fiber completed in the first construction is already online, and phenomena such as output bending, hidden damage, and fiber breakage will inevitably affect user use. At the same time, in the existing termination device, the internal pigtails are exposed throughout the process, and there is a risk of damage to the pigtails during the pulling and pulling process of operation and maintenance. Summary of the invention

[0004] The purpose of the present invention is to solve at least one of the above-mentioned problems, and this purpose is achieved through the following technical solutions.

[0005] The present invention provides an optical fiber termination device, comprising a box body with an access hole and a plurality of connection terminals, wherein a accommodating cavity with two open ends is arranged inside the box body, wherein one open end of the accommodating cavity is arranged close to the access hole, and the other open end of the accommodating cavity is arranged close to each of the connection terminals, and a plurality of channels are arranged in parallel inside the accommodating cavity, wherein the optical fiber can enter the box body through the access hole, and each pigtail of the optical fiber can reach each of the connection terminals through each of the channels respectively.

[0006] Optionally, the channels are isolated from each other.

[0007] Optionally, the accommodating cavity is provided with a first branch, a second branch and a third branch spaced apart from each other near a port of each of the wiring terminals, and an equal number of the channels are provided in the first branch, the second branch and the third branch.

[0008] Optionally, each of the wiring terminals is in a straight line structure, the first branch is arranged close to one side of the straight line structure, the second branch is arranged close to the middle of the straight line structure, and the third branch is arranged close to the other side of the straight line structure.

[0009] Optionally, the accommodating cavity is a rotating structure having multiple bends, and each of the bends is an arc-shaped bend.

[0010] Optionally, the radius of curvature of each of the arc-shaped bends is greater than 30 mm.

[0011] Optionally, the wiring terminals are arranged at equal intervals, and each wiring terminal is correspondingly provided with a mounting hole, and each mounting hole can be connected to the optical fiber connecting flange in a detachable manner.

[0012] Optionally, the box body includes a bottom plate and a first side plate, a second side plate, a third side plate and a fourth side plate connected in sequence end to end, the bottom plate is connected to the bottom of the first side plate, the second side plate, the third side plate and the fourth side plate to form an inner space of the box, the accommodating cavity is arranged on the bottom plate and located in the inner space of the box, the access hole is opened on the first side plate, the mounting holes are evenly spaced on the bottom plate and located outside the box body space, a plurality of knock-out holes are spaced apart on the second side wall, the number of the knock-out holes is consistent with the number of the mounting holes, and each knock-out hole corresponds one-to-one to each mounting hole.

[0013] Optionally, the third side plate is arranged opposite to the first side plate, the first side plate is provided with a first slider, the third side plate is provided with a second slider, and the first slider is parallel to the second slider.

[0014] Optionally, a first wrench is provided on the first side plate, and the first wrench is bent in a direction close to the third side plate; a second wrench is provided on the third side plate, and the second wrench is bent in a direction close to the first side plate.

[0015] The optical fiber termination device provided by the present invention comprises a box body with an access hole and a plurality of connection terminals, a receiving chamber with two open ends is arranged inside the box body, one open end of the receiving chamber is arranged near the access hole, and the other open end of the receiving chamber is arranged near each connection terminal, and a plurality of channels are arranged in parallel inside the receiving chamber, and the optical fiber can enter the box body through the access hole, and each pigtail of the optical fiber can reach each connection terminal through each channel respectively. Specifically, the receiving chamber is arranged inside the box body, and the receiving chamber is a tubular structure with two open ends, wherein one open end is used for multiple pigtails of the optical fiber to enter, and the other open end is used for multiple pigtails of the optical fiber to pass out, and a plurality of channels are formed inside the tubular structure, and each channel corresponds to a pigtail, that is, when each pigtail of the optical fiber enters the box body through the access hole, before entering the receiving chamber, each pigtail of the optical fiber is separated, so that each pigtail corresponds to a channel, and each pigtail passes out through each channel respectively to reach the position of the connection terminal, thereby realizing the connection between each pigtail and each connection terminal.

[0016] In the above structure, the optical fiber pigtails are separated inside the box body by the accommodating cavity. When multiple constructions are required, since the pigtails are in an independent space, other pigtails will not be affected during the construction process. At the same time, the accommodating cavity arranges each pigtail in a channel, avoiding the influence of the external environment on each pigtail and the occurrence of damage to the pigtail. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0018] Figure 1 A schematic diagram of the structure of the optical fiber termination device provided by the present invention;

[0019] Figure 2 A schematic structural diagram of the optical fiber termination device provided by the present invention from another perspective (A in the figure is a partial cross-sectional view);

[0020] Figure 3 for Figure 2 Right side view of the optical fiber termination device shown.

[0021] Reference numerals

[0022] 100 is the box body,

[0023] 1 is a receiving chamber, 11 is a first branch, 12 is a second branch, 13 is a third branch, and 14 is a channel;

[0024] 2 is a bottom plate, 21 is a mounting hole;

[0025] 3 is a first side plate, 31 is an access hole, 32 is a first slider, and 33 is a first wrench;

[0026] 4 is a second side plate, 41 is a knock-out hole;

[0027] 5 is a third side plate; 51 is a second wrench, and 52 is a second slider;

[0028] 6 is the fourth side plate. DETAILED DESCRIPTION

[0029] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0030] Please refer to Figures 1 to 3 , Figure 1 A schematic diagram of the structure of the optical fiber termination device provided by the present invention; Figure 2 A schematic structural diagram of the optical fiber termination device provided by the present invention from another perspective (A in the figure is a partial cross-sectional view); Figure 3 for Figure 2 Right side view of the optical fiber termination device shown.

[0031] In a specific embodiment, the present invention provides an optical fiber termination device, including a box body 100 having an access hole 31 and a plurality of connection terminals, a accommodating chamber 1 with two open ends is arranged inside the box body 100, one open end of the accommodating chamber 1 is arranged close to the access hole 31, and the other open end of the accommodating chamber 1 is arranged close to each connection terminal, a plurality of channels 14 are arranged in parallel inside the accommodating chamber 1, the optical fiber can enter the box body 100 through the access hole 31, and each pigtail of the optical fiber can reach each connection terminal through each channel 14 respectively. Specifically, the accommodating chamber 1 is arranged inside the box body 100, and the accommodating chamber 1 is a tubular structure with two open ends, wherein one open end is used for multiple optical fiber pigtails to enter, and the other open end is used for multiple optical fiber pigtails to pass out, and multiple channels 14 are formed inside the tubular structure, and each channel 14 corresponds to a pigtail. That is to say, after each optical fiber pigtail enters the box body 100 through the access hole 31, before entering the accommodating chamber 1, the each optical fiber pigtail is separated so that each pigtail corresponds to a channel 14, and each pigtail passes out through each channel 14 and reaches the position of the wiring terminal, thereby realizing the connection between each pigtail and each wiring terminal.

[0032] In the above structure, the optical fiber pigtails are separated inside the box body 100 by the accommodating cavity 1. When multiple constructions are required, since the pigtails are in an independent space, other pigtails will not be affected during the construction process. At the same time, the accommodating cavity 1 arranges each pigtail in the channel 14, avoiding the influence of the external environment on each pigtail and the damage of the pigtail.

[0033] It should be pointed out that the above-mentioned channels 14 can be rectangular channels 14 or circular channels 14. In the present embodiment, the channels 14 are all rectangular channels 14. At the same time, the minimum width of the rectangular channels 14 is greater than 3 mm. By setting this size, the smooth passage of each pigtail 14 can be effectively met, avoiding the influence of the channel 14 on each pigtail, thereby ensuring smooth communication.

[0034] It is further understood that each channel 14 is isolated from each other. Inside the accommodating cavity 1, each channel 14 is isolated from each other by a partition, that is, each channel 14 is a closed structure with two open ends, one of which is close to the access hole 31, and the other is close to the wiring terminal. This structure uses each independent channel 14 to completely isolate each pigtail. When construction needs to be carried out in batches, the pigtail inserted first is in its own independent channel 14, and the pigtail to be constructed enters the channel 14 corresponding to itself, and during the construction process, the pigtail inserted during the construction process will not affect the pigtail that has been constructed, making the entire construction process safer and more reliable.

[0035] Furthermore, the first branch 11, the second branch 12 and the third branch 13 are arranged at intervals at the ports of the accommodating cavity 1 close to each wiring terminal, and the channels 14 are arranged in equal numbers in the first branch 11, the second branch 12 and the third branch. Three branches are arranged at the ports of the accommodating cavity 1 close to each wiring terminal, and the pigtails of the optical fibers are evenly divided into three groups before entering the accommodating cavity 1, each group corresponding to one branch. When batch construction is required, the pigtails of each construction can be made to correspond to one branch, thereby facilitating batch construction of the pigtails and improving the convenience during the construction process.

[0036] It should be understood that the optical fiber generally has twelve pigtails, and each channel 14 in the accommodating cavity 1 forms a 4×3 matrix structure, that is, a structure of 4 rows in the longitudinal direction and 3 columns in the transverse direction. Each branch has 4 channels 14 in the longitudinal direction. Through this structure, it is possible to achieve that each time four pigtails are constructed, the four pigtails can be respectively arranged in a longitudinal column of the accommodating cavity 1, so that the four pigtails pass through one branch, thereby improving the convenience of the construction process and improving the efficiency of the construction.

[0037] Furthermore, each terminal has a straight-line structure, with the first branch 11 being arranged near one side of the straight-line structure, the second branch 12 being arranged near the middle of the straight-line structure, and the third branch 13 being arranged near the other side of the straight-line structure. When the optical fiber pigtails are constructed in batches, the above structure can effectively separate the pigtails, so that the constructed pigtails pass through the same branch and are directly connected to the terminal near the branch, thereby effectively improving the convenience of the construction process and avoiding the situation where the pigtail is damaged due to bending after passing through the accommodating cavity 1.

[0038] It should be understood that the wiring terminal corresponding to the first branch 11 is provided with an optical fiber for connecting to the pigtail passing through the first branch 11, the wiring terminal corresponding to the second branch 12 is provided with an optical fiber for connecting to the pigtail passing through the second branch 12, and the wiring terminal corresponding to the third branch 13 is provided with an optical fiber for connecting to the pigtail passing through the third branch 13. This structure can realize the effective classification of the pigtails of the light, facilitate the wiring operation during the construction process, and thus improve the construction efficiency.

[0039] Furthermore, the accommodating cavity 1 is a rotating structure with multiple bends (such as an S-shape), and each bend is an arc-shaped bend. By setting the accommodating cavity 1 as a rotating structure, the length of the accommodating cavity 1 can be effectively increased, so that each pigtail of the light can be effectively accommodated, avoiding the pigtail from leaking out and being damaged, so that the safety of each pigtail is guaranteed. At the same time, each bend on the rotating structure is an arc-shaped bend. Through this structure, on the one hand, each pigtail can smoothly pass into and out of each channel 14, ensuring the smooth progress of the construction, and on the other hand, it can avoid the situation where each pigtail is damaged or broken when passing through each bend, thereby ensuring the safety of each pigtail.

[0040] Furthermore, the curvature radius of each arc bend is greater than 30 mm. This structure can improve the passability of each pigtail in each channel 14, ensure the smooth progress of the construction process, and thus improve the efficiency of the construction. On the other hand, it can prevent each pigtail from being damaged or even broken when passing through each channel 14, thereby improving the safety of each pigtail passing through each channel 14.

[0041] Furthermore, each connection terminal is arranged at equal intervals, and each connection terminal is provided with a corresponding mounting hole 21, and each mounting hole 21 can be connected to the optical fiber connection flange in a detachable manner. A mounting hole 21 is provided at the position of each connection terminal, and when a connection terminal needs to be provided, the connection terminal can be directly installed in the mounting hole 21, thereby realizing a quick connection of the connection terminal, thereby improving the efficiency of construction.

[0042] It should be pointed out that the shape of the opening of the installation hole 21 can meet the requirements of connection terminals such as FC, SC, and LC, thereby effectively improving the versatility of use and further reducing the cost during the optical fiber installation process.

[0043] Specifically, it is understood that the box body 100 includes a bottom plate 2 and a first side plate 3, a second side plate 4, a third side plate 5 and a fourth side plate 6 which are connected in sequence from end to end, the bottom plate 2 is connected to the bottom of the first side plate 3, the second side plate 4, the third side plate 5 and the fourth side plate 6 to form an inner space of the box, the accommodating cavity 1 is arranged on the bottom plate 2 and is located in the inner space of the box, the access hole 31 is opened on the first side plate 3, the mounting holes 21 are evenly spaced on the bottom plate 2 and are located outside the space of the box body 100, and a plurality of knock-out holes 41 are spaced apart on the second side wall, the number of the knock-out holes 41 is consistent with the number of the mounting holes 21, and each knock-out hole 41 corresponds one-to-one to each mounting hole 21.

[0044] Specifically, in the above structure, the bottom plate 2 is the bottom of the box body 100, and the first side plate 3, the second side plate 4, the third side plate 5 and the fourth side plate 6 form the side wall of the box body 100. The space enclosed by the first side plate 3, the second side plate 4, the third side plate 5, the fourth side plate 6 and the bottom plate 2 is the box body 100 space. The accommodating cavity 1 is arranged inside the box body 100 space. Each mounting hole 21 is opened on the second side plate 4 and is located outside the box body 100 space. The number of knock-out holes 41 is consistent with the number of mounting holes 21, and the two correspond one to one. When optical fiber connection is performed, each pigtail passing through the accommodating cavity 1 passes through each knock-out hole 41 respectively and is connected to the wiring terminal arranged on each mounting hole 21, thereby realizing the separate connection of each pigtail, which is convenient for wiring and connection, and avoids the mutual influence between adjacent pigtails that affects the signal transmission.

[0045] It should be understood that when the knock-out hole 41 is needed, the baffle at the position of the knock-out hole 41 is knocked by external force so that the pigtail can pass through the knock-out hole 41 and out of the box body 100, thereby achieving connection with the terminal block. This structure can be opened as needed, effectively ensuring the isolation of the inside and outside of the box body 100, and avoiding the influence of the external environment on the inside of the box body 100.

[0046] It should be pointed out that the shape of the above-mentioned box body 100 can be rectangular or circular. In the implementation scheme of the present application, the box body 100 is a rectangular structure, that is, the first side panel 3, the second side panel 4, the third side panel 5 and the fourth side panel 6 are vertically connected end to end in sequence. This structure is easy to process and can effectively match the installation structure of the installation box.

[0047] Specifically, the third side plate 5 is arranged opposite to the first side plate 3, the first side plate 3 is provided with a first slider 32, the third side plate 5 is provided with a second slider 52, and the first slider 32 is parallel to the second slider 52. When the box body 100 is installed, the first slider 32 is slidably arranged in a slide groove in the installation box, and the second slider 52 is arranged in another slide groove in the installation box. The box body 100 can be moved in and out of the installation box by pulling the box body 100, which can effectively improve the convenience in the optical fiber construction process, thereby improving the efficiency of the construction. At the same time, the stability of the box body 100 in the installation box can be effectively improved by connecting the two sides to the installation box, thereby ensuring the strength and stability of the optical fiber connection, so that the quality of signal transmission is guaranteed.

[0048] It should be noted that a first slide groove and a second slide groove are arranged in the installation box, the two slide grooves are arranged in parallel and spaced apart, and the two slide grooves are respectively matched with the first slider 32 and the second slider 52, so that the box body 100 and the installation box can be effectively installed.

[0049] Specifically, the first side plate 3 is provided with a first wrench 33, which is bent toward the direction close to the third side plate 5; the third side plate 5 is provided with a second wrench 51, which is bent toward the direction close to the first side plate 3. By operating the first wrench 33 and the second wrench 51, the box body 100 can be effectively pulled out, which improves the convenience of operation, thereby improving the maintenance efficiency of the optical fiber.

[0050] It should be understood that although the terms first, second, third, etc. may be used herein to describe multiple elements, components, regions, layers, and / or sections, these elements, components, regions, layers, and / or sections should not be limited by these terms. These terms may only be used to distinguish one element, component, region, layer, or section from another region, layer, or section. Unless the context clearly indicates otherwise, terms such as "first," "second," and other numerical terms do not imply a sequence or order when used herein.

[0051] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An optical fiber termination device, comprising a box body having an access hole and a plurality of connection terminals, characterized in that: A accommodating cavity with two open ends is arranged inside the box body, and the accommodating cavity is a rotating structure with multiple bends, each of which is an arc-shaped bend. The first open end of the accommodating cavity is arranged near the access hole, and the second open end of the accommodating cavity is arranged near each of the wiring terminals, and the second open end is provided with multiple branches arranged at intervals. Multiple channels are arranged in parallel inside the accommodating cavity, and each of the channels is isolated from each other. The channels extend to the first open end and the ports of the multiple branches. The optical fiber can enter the box body through the access hole, and each pigtail of the optical fiber can reach each of the wiring terminals through each of the channels respectively.

2. The optical fiber termination device according to claim 1, characterized in that: The second open end of the accommodating cavity has a first branch, a second branch and a third branch which are spaced apart from each other, and the number of channels in the first branch, the second branch and the third branch is equal.

3. The optical fiber termination device according to claim 2, characterized in that: Each of the connection terminals is in a straight line structure, the first branch is arranged close to one side of the straight line structure, the second branch is arranged close to the middle of the straight line structure, and the third branch is arranged close to the other side of the straight line structure.

4. The optical fiber termination device according to claim 1, characterized in that: The curvature radius of each arc-shaped bend is greater than 30 mm.

5. The optical fiber termination device according to claim 1, characterized in that: The wiring terminals are arranged at equal intervals, and each wiring terminal is respectively provided with a mounting hole, and each mounting hole can be connected to the optical fiber connecting flange in a detachable manner.

6. The optical fiber termination device according to claim 5, characterized in that: The box body includes a bottom plate and a first side plate, a second side plate, a third side plate and a fourth side plate which are connected in sequence end to end; the bottom plate is connected to the bottoms of the first side plate, the second side plate, the third side plate and the fourth side plate to form an inner space of the box; the accommodating cavity is arranged on the bottom plate and located in the inner space of the box; the access hole is opened on the first side plate; the mounting holes are arranged at equal intervals on the bottom plate and located outside the box body space; a plurality of knock-out holes are arranged at intervals on the second side plate; the number of the knock-out holes is consistent with the number of the mounting holes, and the knock-out holes correspond one-to-one to the mounting holes.

7. The optical fiber termination device according to claim 6, characterized in that: The third side plate is arranged opposite to the first side plate, the first side plate is provided with a first slider, the third side plate is provided with a second slider, and the first slider is parallel to the second slider.

8. The optical fiber termination device according to claim 7, characterized in that: The first side plate is provided with a first wrench, and the first wrench is bent toward the direction close to the third side plate; the third side plate is provided with a second wrench, and the second wrench is bent toward the direction close to the first side plate.

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