Novel optical fiber splitter

Abstract

The utility model discloses a novel optical fiber splitter, which comprises a shell, an end cover and an optical splitter, one end of the shell is provided with a coaxial single threading hole, the other end of the shell is an open end, and a mounting structure is arranged in the shell; the end cover is detachably connected with the open end of the shell, and a plurality of branch threading holes are formed in the end cover; the optical splitter comprises an optical splitter body, the optical splitter body is detachably and fixedly connected with the interior of the shell through a mounting structure, one end of the optical splitter body is provided with a main optical fiber cable penetrating through the single threading hole, and the other end of the optical splitter body is provided with a plurality of branch optical fiber cables penetrating through the branch threading holes; and a protection assembly is arranged on the outer side of the main optical fiber cable and the single threading hole of the shell. According to the utility model, through the built-in installation structure of the housing, the optical splitter body can be quickly disassembled and fixedly connected without the help of extra tools, and the installation reliability of the optical splitter is improved; the protection and waterproof effects of the main optical fiber cable in the single threading hole are improved through the protection assembly, so that the connection and installation of the optical splitter are convenient and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical communication technical field, in particular to a novel optical fiber brancher. BACKGROUND

[0002] Optical fiber brancher is the optical fiber junction device that will be coupled, branch, distribution of optical signal in reality network, usually used for connecting a main cable and multiple branch cables.

[0003] However, the main optical fiber line of the splitter is easy to be twisted and broken by external force due to the structural limitation of the existing brancher, so it cannot be effectively protected and waterproofed, and the fixing structure of the splitter body is relatively complex, which leads to a complicated and low-efficiency installation process and cannot meet the needs of the existing technology.

[0004] Therefore, in order to solve the above problems, a novel optical fiber brancher needs to be developed, which is simple in structure, reasonable in design, can improve the waterproof and protective effect of the main optical fiber line, and can realize the disassembly of the splitter body without the aid of additional tools, and is convenient and reliable to connect and install. UTILITY MODEL CONTENT

[0005] To solve the above problems, the technical scheme adopted by the utility model is as follows:

[0006] A novel optical fiber brancher comprises a shell, an end cover and a splitter, characterized in that:

[0007] The shell is a hollow cylindrical structure, one end of which is provided with a coaxial single-thread hole, and the other end is an open end, and the shell is provided with a mounting structure inside;

[0008] The end cover is detachably connected with the open end of the shell, and a plurality of branch thread holes are provided on the end cover;

[0009] The splitter comprises a splitter body, which is detachably fixedly connected with the shell inside through the mounting structure, one end of the splitter body is provided with a main optical fiber line passing through the single-thread hole, and the other end is provided with a plurality of branch optical fiber lines passing through the branch thread holes;

[0010] The main optical fiber line and the outside of the single-thread hole of the shell are provided with a protection assembly, which is used to improve the protection and waterproof effect of the main optical fiber line in the single-thread hole.

[0011] Preferably, the mounting structure comprises left and right oppositely arranged limiting protrusions, and an installation clamping groove is formed between the two limiting protrusions;

[0012] The splitter body is detachably inserted into the installation clamping groove.

[0013] Preferably, a supporting protruding rib is arranged between the two limiting protruding ribs, and the height of the supporting protruding rib is lower than the height of the limiting protruding rib.

[0014] Preferably, the limiting protruding rib and / or the supporting protruding rib extends from one end of the shell to the other end.

[0015] Preferably, an extension section extending axially and outwardly is arranged at the single wire hole of the shell.

[0016] The protection assembly comprises a metal sleeve and a heat shrink tube, one end of the metal sleeve with a large diameter is sleeved on the extension section, and the other end with a small diameter is sleeved on the main optical fiber wire.

[0017] The heat shrink tube is sleeved outside the metal sleeve and the main optical fiber wire, and after being heated, one end of the heat shrink tube seals the gap between the metal sleeve and the extension section, and the other end seals the gap between the metal sleeve and the main optical fiber.

[0018] Preferably, the protection assembly further comprises a tail pipe sleeved outside the heat shrink tube.

[0019] Preferably, a sealing element is arranged at the connection between the end cover and the open end of the shell, and the end cover and the shell are detachably and rotatably clamped.

[0020] Preferably, the branch wire hole has a depth.

[0021] An insulating layer is sleeved outside the branch optical fiber wire, and the branch optical fiber wire and the branch wire hole are sealingly connected through the insulating layer.

[0022] Compared with the prior art, the utility model has the beneficial effects that:

[0023] The utility model has the advantages of simple structure, reasonable design, improved waterproof and protection effect of the main optical fiber wire, and convenient and reliable connection and installation without the aid of additional tools. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a perspective view structural schematic diagram of the utility model;

[0025] Figure 2 It is an explosion schematic diagram of the utility model;

[0026] Figure 3 It is a front view of the utility model;

[0027] Figure 4 It is Figure 3 It is a sectional structure schematic diagram of A-A;

[0028] Figure 5 It is Figure 3 It is a sectional structure schematic diagram of B-B;

[0029] Wherein: the shell 1, end cover 2, optical splitter 3, mounting structure 4, protection assembly 5, sealing element 6, mounting slot 10, insulating layer 20, single threading hole 11, open end 12, extension section 13, branch threading hole 21, optical splitter body 31, main optical fiber line 32, branch optical fiber line 33, limiting protruding rib 41, supporting protruding rib 42, metal sleeve 51, heat shrink tube 52, tail pipe 53. DETAILED DESCRIPTION

[0030] For the purpose of facilitating the understanding of the present application, a more comprehensive description of the present application will be given below with reference to the relevant drawings. The drawings show the preferred embodiments of the present application. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0031] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right", "upper", "lower", "front", "rear", and similar expressions used herein are for the purpose of illustration only.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein only for the purpose of describing specific embodiments and is not intended to limit the present application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0033] The present application will be further described below in conjunction with the drawings and specific embodiments:

[0034] As Figures 1-5 shown, a novel optical fiber brancher includes a shell 1, an end cover 2 and an optical splitter 3. The shell 1 is a hollow cylindrical structure, one end of which is provided with a coaxial single threading hole 11, and the other end is an open end 12. The shell 1 is provided with a mounting structure 4.

[0035] The end cover 2 is detachably connected to the open end 12 of the shell 1, and a plurality of branch threading holes 21 are provided on the end cover 2.

[0036] The splitter 3 comprises a splitter body 31 which is detachably fixedly connected with the inside of the shell 1 through the mounting structure 4, one end of the splitter body 31 is provided with a main optical fiber line 32 which passes through the single wire hole 11, and the other end is provided with a plurality of branch optical fiber lines 33 which pass through the branch wire holes 21;

[0037] The main optical fiber line 32 is provided with a protection assembly 5 outside the single wire hole 11 of the shell 1, and the protection assembly 5 is used to improve the protection and waterproof effect of the main optical fiber line 32 located in the single wire hole 11.

[0038] In this embodiment, through the mounting structure 4 built-in the shell 1, the quick-release fixed connection of the splitter body 31 is realized without the help of additional tools, and the installation reliability of the splitter 3 is improved; through the protection assembly 5, the protection and waterproof effect of the main optical fiber line 32 located in the single wire hole 11 is improved, so that the connection and installation of the splitter 3 are convenient and reliable.

[0039] Further, as shown in Figures 1-5 In order to realize the tool-free detachable fixed connection of the splitter body 31, the mounting structure 4 comprises left and right oppositely arranged limiting convex ribs 41, and a mounting clamping groove 10 is formed between the two limiting convex ribs 41; the splitter body 31 is detachably inserted with the mounting clamping groove 10; when installing, the splitter body 31 is inserted into the mounting clamping groove 10, in the inserted state, the splitter body 31 can move axially relative to the shell 1, and the splitter body 31 cannot be separated from the mounting clamping groove 10.

[0040] Further, as shown in Figures 1-5 In order to improve the effective support of the splitter body 31 in the mounting clamping groove 10 and prevent the splitter 3 from being separated from the mounting clamping groove 10, a supporting convex rib 42 is arranged between the two limiting convex ribs 41, and the height of the supporting convex rib 42 is lower than the height of the limiting convex rib 41.

[0041] Further, as shown in Figure 4 In order to improve the contact area of the mounting clamping groove 10 and the splitter 3 and improve the stability of the insertion, the limiting convex rib 41 and / or the supporting convex rib 42 extends from one end of the shell 1 to the other end.

[0042] Further, as shown in Figure 2 、 4 , 5, the single wire hole 11 of the shell 1 is provided with an extension section 13 which extends axially outwardly;

[0043] The protection assembly 5 comprises a metal sleeve 51 and a heat shrink tube 52, one end of the metal sleeve 51 with a large diameter is sleeved on the extension section 13, and the other end with a small diameter is sleeved on the main optical fiber line 32;

[0044] The heat shrinkable tube 52 is sleeved outside the metal sleeve 51 and the main optical fiber line 32, and after being heated, one end of the heat shrinkable tube 52 seals the gap between the metal sleeve 51 and the extension section 13, and the other end of the heat shrinkable tube 52 seals the gap between the metal sleeve 51 and the main optical fiber.

[0045] In this embodiment, by adopting the protection structure design of the combination of the metal sleeve 51 and the heat shrinkable tube 52, the structure is simple, that is, the strength of the main optical fiber located at the position of the single threading hole 11 is improved, and the sealing and waterproof effect between the main optical fiber line 32 and the single threading hole 11 is ensured.

[0046] Further, in order to avoid damage to the heat shrinkable tube 52, the protection assembly 5 further comprises a tail pipe 53 sleeved outside the heat shrinkable tube 52.

[0047] Further, as shown in Figure 4 In order to improve the connection sealing performance of the end cover 2 and the shell 1 and the tool-free quick disassembly, a sealing element 6 is arranged at the connection position of the end cover 2 and the open end 12 of the shell 1, and the end cover 2 and the shell 1 are detachably and rotatably connected.

[0048] Further, as shown in Figure 1 、 2 In order to improve the sealing performance between the branch optical fiber line 33 and the branch threading hole 21, the branch threading hole 21 has a depth; the outer side of the branch optical fiber line 33 is sleeved with an insulating layer 20, and the branch optical fiber line 33 and the branch threading hole 21 are connected in a sealed manner through the insulating layer 20.

[0049] In this embodiment, the outer side of the main optical fiber line 32 is also sleeved with the insulating layer 20 having a protection effect.

[0050] For those skilled in the art, according to the above described technical solutions and concepts, other various corresponding changes and deformations can be made, and all of these changes and deformations should belong to the protection scope of the claims of the present utility model patent.

Claims

1. A novel optical fiber splitter, comprising a shell, an end cover and a splitter, characterized in that: the shell is a hollow cylindrical structure, one end of which is provided with a coaxial single wire hole, the other end is an open end, and the shell is provided with a mounting structure inside; the end cover is detachably connected with the open end of the shell, and a plurality of branch wire holes are arranged on the end cover; the splitter comprises a splitter body, which is detachably fixedly connected with the inside of the shell through the mounting structure, one end of the splitter body is provided with a main optical fiber line passing through the single wire hole, and the other end is provided with a plurality of branch optical fiber lines passing through the branch wire holes; a protection assembly is arranged outside the single wire hole of the shell, and the protection assembly is used to improve the protection and waterproof effect of the main optical fiber line located in the single wire hole.

2. A novel optical fiber tap as claimed in claim 1, wherein, the mounting structure comprises left and right oppositely arranged limiting ribs, and an installation clamping groove is formed between the two limiting ribs; the splitter body is detachably inserted into the installation clamping groove.

3. A novel optical fiber tap as claimed in claim 2, wherein, a supporting rib is arranged between the two limiting ribs, and the height of the supporting rib is lower than that of the limiting rib.

4. A novel optical fiber tap as claimed in claim 3, wherein, the limiting rib and / or the supporting rib extends from one end of the shell to the other end.

5. A novel optical fiber tap as claimed in claim 1, wherein, an extension section extending axially and outwardly is arranged at the single wire hole of the shell; the protection assembly comprises a metal sleeve and a heat shrink tube, one end of the metal sleeve with a large diameter is sleeved on the extension section, and the other end with a small diameter is sleeved on the main optical fiber line; the heat shrink tube is sleeved outside the metal sleeve and the main optical fiber line, and after being heated, one end of the heat shrink tube seals the gap between the metal sleeve and the extension section, and the other end seals the gap between the metal sleeve and the main optical fiber line.

6. A novel optical fiber tap as defined in claim 5, wherein, the protection assembly further comprises a tail pipe sleeved outside the heat shrink tube.

7. A novel optical fiber tap as defined in claim 1, wherein, a sealing member is arranged at the connection between the end cover and the open end of the shell, and the end cover and the shell are detachably and rotatably clamped.

8. A novel optical fiber tap as defined in claim 1, wherein, the branch wire hole has a depth; an insulating layer is sleeved outside the branch optical fiber line, and the branch optical fiber line and the branch wire hole are sealingly connected through the insulating layer.

Images