Tail fiber bending radius protection structure

Abstract

The utility model discloses a tail fiber bending radius protection structure which comprises a bending line sleeve, a connecting line sleeve is arranged above the bending line sleeve, a fixed disc is arranged above the connecting line sleeve, a connecting line sleeve is arranged below the bending line sleeve, the middle part of the bending line sleeve is formed by a middle hose, and the middle hose is connected with the fixed disc. A shell of the middle hose is composed of a metal coiled pipe, and the interior of the metal coiled pipe is fixedly connected with an elastic protection layer. Through the above structure, the bending radius of the tail fiber can be better protected, and the length of the protection device can be adjusted according to the bending length of the tail fiber.

Description

Technical Field

[0001] The utility model relates to the technical field of pigtail bending, in particular to a pigtail bending radius protection structure. Background Art

[0002] The bending radius protection structure of the pigtail (or optical fiber pigtail cable) is usually used in optical fiber communication systems. Its main purpose is to protect the optical fiber from being damaged when it is bent, thereby ensuring the reliability and durability of signal transmission. The protection device is basically composed of the following devices: Inner liner: Inside the protective sleeve, a layer of soft liner, such as foam plastic or rubber material, is usually added to further relieve the pressure when the pigtail is bent and protect the internal structure of the optical fiber from damage. Outer protective covering: The outermost layer is usually covered with more durable materials, such as nylon cloth or wear-resistant rubber, to provide additional protection to prevent the pigtail from being mechanically damaged or affected by the external environment during use. In general, the pigtail bending radius protection structure ensures the stability and safety of the optical fiber during use through a multi-level protection design, and is an indispensable component of modern optical fiber communication systems.

[0003] In the prior art, some pigtail bending radius protection devices cannot protect the pigtail from bending well, some protection devices do not have a buffer device inside, and the outer shell alone cannot protect the pigtail well, and some pigtail protection devices cannot be adjusted according to the bending length of the pigtail. Utility Model Content

[0004] The utility model aims to provide a pigtail bending radius protection structure, which can better protect the pigtail bending radius and can adjust the length of the protection device according to the pigtail bending length.

[0005] To achieve the above object, a pigtail bending radius protection structure is provided, comprising a bending wire sleeve, a connecting wire sleeve is arranged above the bending wire sleeve, a fixing plate is arranged above the connecting wire sleeve, and a fixing plate is arranged below the bending wire sleeve;

[0006] The middle part of the bending wire sleeve is composed of an intermediate hose, the outer shell of the intermediate hose is composed of a metal serpentine tube, and an elastic protective layer is fixedly connected to the inside of the metal serpentine tube.

[0007] According to the described pigtail bending radius protection structure, the outer shell of the fixed disk is composed of a fixed shell, threaded rods are meshed on both sides of the fixed shell, a knob is fixedly connected to the left side of the left threaded rod, a first connecting column is rotatably connected to the right side of the left threaded rod, a telescopic column is fixedly connected to the right side of the first connecting column, first openings are provided on the upper and lower sides of the fixed shell, and a first elastic connecting block is fixedly connected to the right side of the left first connecting column.

[0008] According to the pigtail bending radius protection structure, the middle of the bending line sleeve is composed of an intermediate hose, a connecting sleeve is fixedly connected to the top of the intermediate hose, a second opening is opened on the front and rear sides of the connecting sleeve, and a connecting device is fixedly connected to the bottom of the intermediate hose.

[0009] According to the described pigtail bending radius protection structure, the outer shell of the connecting device is composed of a connecting shell, and the upper and lower sides of the connecting shell are slidably connected with pressing columns, a second connecting column is fixedly connected below the upper pressing column, and telescopic columns are fixedly connected at the left and right ends of the second connecting column, a second elastic connecting block is fixedly connected below the upper second connecting column, and a connecting block is fixedly connected below the upper second connecting column, a connecting rod is fixedly connected to the right side of the connecting block, and a locking block is fixedly connected to the right end of the connecting rod.

[0010] According to the pigtail bending radius protection structure, the middle of the connecting wire sleeve is composed of an intermediate hose, a connecting device is fixedly connected to the upper side of the intermediate hose, and a connecting device is fixedly connected to the lower side of the intermediate hose.

[0011] According to the pigtail bending radius protection structure, the lower part of the telescopic column is composed of a lower connecting column, a spring is fixedly connected inside the lower connecting column, a connecting plate is fixedly connected above the spring, and an upper connecting pipe is fixedly connected above the connecting plate.

[0012] According to the pigtail bending radius protection structure, the lower connecting post is located inside the upper connecting post, and the lower connecting post is slidably connected to the upper connecting post.

[0013] According to the pigtail bending radius protection structure, the size of the locking block is the same as that of the second opening, and the locking block is slidably connected to the second opening.

[0014] The utility model has the following beneficial effects:

[0015] 1. Compared with the prior art, this pigtail bending radius protection structure contracts the telescopic column by pressing the pressing column, thereby driving the locking block to move downward and inserting it into the second opening of another bending wire sleeve, so that it can be externally connected to the bending wire sleeve, and then can adapt to the bending part of the pigtail.

[0016] 2. Compared with the prior art, this pigtail bending radius protection structure is provided with a metal serpentine tube, so that it can better prevent external physical collisions, and is provided with an elastic protective layer, so that it can provide a certain buffer against external physical collisions, and can better protect the pigtail.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0019] Figure 1 This is a three-dimensional diagram of a pigtail bending radius protection structure of the utility model;

[0020] Figure 2 This is a cross-sectional view of an intermediate hose of a pigtail bending radius protection structure of the utility model;

[0021] Figure 3 A three-dimensional diagram of a bending wire sleeve of a pigtail bending radius protection structure of the utility model;

[0022] Figure 4 This is a cross-sectional view of a connection device of a pigtail bending radius protection structure of the utility model;

[0023] Figure 5 It is a cross-sectional view of a fixing plate of a pigtail bending radius protection structure of the utility model;

[0024] Figure 6 This is an exploded view of a spring column of a pigtail bending radius protection structure of the utility model.

[0025] Legend:

[0026] 1. Bending wire sleeve; 2. Connecting wire sleeve; 3. Fixed plate; 4. Metal serpentine tube; 5. Elastic protective layer; 6. Telescopic column;

[0027] 31. fixed shell; 32. threaded rod; 33. knob; 34. first connecting column; 35. first opening; 36. first elastic connecting block;

[0028] 10. Intermediate hose; 11. Connecting sleeve; 12. Second opening; 13. Connecting device;

[0029] 61. Lower connecting column; 62. Spring; 63. Connecting plate; 64. Upper connecting pipe;

[0030] 130, connecting shell; 131, pressing column; 132, second connecting column; 133, second elastic connecting block; 134, connecting block; 135, connecting rod; 136, locking block. DETAILED DESCRIPTION

[0031] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0032] Reference Figure 1-6 The utility model embodiment provides a pigtail bending radius protection structure, which includes a bending wire sleeve 1, the middle of the bending wire sleeve 1 is composed of an intermediate hose 10, a connecting sleeve 11 is fixedly connected to the upper part of the intermediate hose 10, and a second opening 12 is opened on the front and rear sides of the connecting sleeve 11, and a connecting device 13 is fixedly connected to the lower part of the intermediate hose 10, and the outer shell of the connecting device 13 is composed of a connecting shell 130, and the upper and lower sides of the connecting shell 130 are slidably connected with a pressing column 131, and the lower part of the upper pressing column 131 is fixedly connected with a second connecting column 132, and the second connecting column 132 is fixedly connected to the lower part of the second connecting column 132. The left and right ends of the telescopic column 6 are fixedly connected, the lower part of the upper second connecting column 132 is fixedly connected with the second elastic connecting block 133, the lower part of the upper second connecting column 132 is fixedly connected with the connecting block 134, the right side of the connecting block 134 is fixedly connected with a connecting rod 135, the right end of the connecting rod 135 is fixedly connected with a locking block 136, the size of the locking block 136 is the same as the size of the second opening 12, the locking block 136 is slidably connected to the second opening 12, a connecting wire sleeve 2 is arranged above the bending wire sleeve 1, a fixing plate 3 is arranged above the connecting wire sleeve 2, and the outer shell of the fixing plate 3 is made of a fixed The fixed shell 31 is composed of a fixed shell 31, and the two sides of the fixed shell 31 are meshed with threaded rods 32, the left side of the left threaded rod 32 is fixedly connected with a knob 33, the right side of the left threaded rod 32 is rotatably connected with a first connecting column 34, the right side of the first connecting column 34 is fixedly connected with a telescopic column 6, the lower part of the telescopic column 6 is composed of a lower connecting column 61, the interior of the lower connecting column 61 is fixedly connected with a spring 62, the upper part of the spring 62 is fixedly connected with a connecting plate 63, the upper part of the connecting plate 63 is fixedly connected with an upper connecting pipe 64, the lower connecting column 61 is located inside the upper connecting pipe 64, and the lower connecting column 61 and the upper connecting pipe 64 are connected. Sliding connection, first openings 35 are provided on the upper and lower sides of the fixed shell 31, a first elastic connecting block 36 is fixedly connected to the right side of the left first connecting column 34, a fixing plate 3 is arranged below the bending wire sleeve 1, the middle of the connecting wire sleeve 2 is composed of an intermediate hose 10, a connecting device 13 is fixedly connected above the intermediate hose 10, a connecting device 13 is fixedly connected below the intermediate hose 10, the middle part of the bending wire sleeve 1 is composed of the intermediate hose 10, the outer shell of the intermediate hose 10 is composed of a metal serpentine tube 4, and an elastic protective layer 5 is fixedly connected inside the metal serpentine tube 4.

[0033] The above structure can better prevent external physical collisions by providing the metal serpentine tube 4, and can provide a certain buffer against external physical collisions by providing the elastic protective layer 5, thereby better protecting the pigtail.

[0034] By pressing the pressing column 131, the telescopic column 6 is contracted, thereby driving the locking block 136 to move downward and insert it into the second opening 12 of another bending sleeve 1, so that it can be externally connected to the bending sleeve 1 and can adapt to the bending part of the pigtail.

[0035] By rotating the knob 33, the threaded rod 32 rotates, which in turn drives the first connecting column 34 to move toward the middle, causing the telescopic column 6 to contract and the first elastic connecting block 36 to move toward the middle, so that it can clamp the pigtail and fix the device.

[0036] Working principle: The pigtail bending radius protection structure is externally connected to the bending sleeve 1 according to the bending length of the pigtail when in use, so that the bending sleeve 1 adapts to the bending length of the pigtail, and by turning the knob 33, it can be fixed on the outer surface of the pigtail.

[0037] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A pigtail bending radius protection structure, characterized in that: It comprises a bending wire sleeve (1), a connecting wire sleeve (2) is arranged above the bending wire sleeve (1), a fixing plate (3) is arranged above the connecting wire sleeve (2), and a fixing plate (3) is arranged below the bending wire sleeve (1); The middle part of the bending wire sleeve (1) is composed of an intermediate hose (10), the outer shell of the intermediate hose (10) is composed of a metal serpentine tube (4), and the interior of the metal serpentine tube (4) is fixedly connected with an elastic protective layer (5).

2. A pigtail bending radius protection structure according to claim 1, characterized in that: The outer shell of the fixed disk (3) is composed of a fixed shell (31), and threaded rods (32) are meshed on both sides of the fixed shell (31), and a knob (33) is fixedly connected to the left side of the left threaded rod (32), and a first connecting column (34) is rotatably connected to the right side of the left threaded rod (32), and a telescopic column (6) is fixedly connected to the right side of the first connecting column (34). First openings (35) are provided on the upper and lower sides of the fixed shell (31), and a first elastic connection block (36) is fixedly connected to the right side of the left first connecting column (34).

3. A pigtail bending radius protection structure according to claim 1, characterized in that: The middle of the bending line sleeve (1) is composed of an intermediate hose (10), a connecting sleeve (11) is fixedly connected to the top of the intermediate hose (10), a second opening (12) is provided on the front and rear sides of the connecting sleeve (11), and a connecting device (13) is fixedly connected to the bottom of the intermediate hose (10).

4. A pigtail bending radius protection structure according to claim 3, characterized in that: The outer shell of the connecting device (13) is composed of a connecting shell (130), and the upper and lower sides of the connecting shell (130) are slidably connected with a pressing column (131), and a second connecting column (132) is fixedly connected below the upper pressing column (131), and the left and right ends of the second connecting column (132) are fixedly connected with a telescopic column (6), and a second elastic connecting block (133) is fixedly connected below the upper second connecting column (132), and a connecting block (134) is fixedly connected below the upper second connecting column (132), and a connecting rod (135) is fixedly connected to the right side of the connecting block (134), and a locking block (136) is fixedly connected to the right end of the connecting rod (135).

5. The pigtail bending radius protection structure according to claim 1, characterized in that: The middle of the connecting wire sleeve (2) is formed by an intermediate hose (10), the upper part of the intermediate hose (10) is fixedly connected with a connecting device (13), and the lower part of the intermediate hose (10) is fixedly connected with a connecting device (13).

6. A pigtail bending radius protection structure according to claim 4, characterized in that: The lower part of the telescopic column (6) is formed by a lower connecting column (61), the interior of the lower connecting column (61) is fixedly connected with a spring (62), the upper part of the spring (62) is fixedly connected with a connecting plate (63), and the upper part of the connecting plate (63) is fixedly connected with an upper connecting pipe (64).

7. A pigtail bending radius protection structure according to claim 6, characterized in that: The lower connecting column (61) is located inside the upper connecting column (64), and the lower connecting column (61) is slidably connected to the upper connecting column (64).

8. A pigtail bending radius protection structure according to claim 4, characterized in that: The size of the locking block (136) is the same as that of the second opening (12), and the locking block (136) is slidably connected to the second opening (12).

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