Waterproof optical fiber movable connector

Abstract

The utility model provides a waterproof optical fiber movable connector, which comprises a first waterproof shell, a second waterproof shell, a second waterproof shell, a first optical fiber connector and a second optical fiber connector, and is characterized in that the right end of the first waterproof shell is provided with a second waterproof shell; the sealing assembly is arranged between the first waterproof shell and the second waterproof shell, and the sealing assembly is used for preventing water at the joint of the first waterproof shell and the second waterproof shell; the optical fiber wiring end is fixedly connected with the inner cavity of the sealing assembly through a fixing column; the fixing mechanism is mounted in the first waterproof shell and the second waterproof shell; and the locking mechanism is installed on the first waterproof shell, and the locking mechanism is used for fixedly connecting the first waterproof shell and the second waterproof shell. The sealing assembly improves the waterproof sealing effect at the joint, improves the waterproof effect, effectively isolates water outside the connector, achieves the waterproof effect, avoids the problem of oxidation of the end face of the optical fiber, and guarantees the stable transmission of signals.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical fiber movable connector technical field, it is a waterproof optical fiber movable connector. BACKGROUND

[0002] The optical fiber movable connector is a kind of passive device for connecting two optical fibers or optical cables, forming continuous optical path and can be repeatedly disassembled, is widely used in optical fiber communication system, optical information processing system and optical instrument, and optical fiber movable connector is commonly known as live joint, it is one of the largest optical passive devices in optical fiber communication system, it can precisely butt joint the two end faces of optical fiber, make the light energy output by transmitting optical fiber maximum coupling to receiving optical fiber, and minimize its impact on system.

[0003] The existing optical fiber movable connector in use process, when traditional optical fiber connector is used in humid or underwater environment, the waterproof effect of optical fiber connector is not ideal, moisture is easy to penetrate into the inside of optical fiber movable connector, leading to optical fiber end face oxidation, fiber core attenuation increase even signal interruption, and influence the service life of optical fiber movable connector. UTILITY MODEL CONTENTS

[0004] The utility model discloses to solve the technical problem that the waterproof effect of traditional optical fiber connector is not ideal when being used in humid or underwater environment, moisture is easy to penetrate into the inside of optical fiber movable connector, leading to optical fiber end face oxidation, fiber core attenuation increase even signal interruption, and influence the service life of optical fiber movable connector, and provide a waterproof optical fiber movable connector.

[0005] The utility model discloses the following technical scheme to solve the above-mentioned technical problem:

[0006] The utility model provides a waterproof optical fiber movable connector, the waterproof optical fiber movable connector includes:

[0007] First waterproof shell, the right end of first waterproof shell is provided with second waterproof shell;

[0008] Sealing assembly, the sealing assembly is arranged between first waterproof shell and second waterproof shell, and the sealing assembly is used for the waterproof of the connecting place of first waterproof shell and second waterproof shell;

[0009] Optical fiber terminal, the optical fiber terminal is fixedly connected with the inner chamber of sealing assembly through fixed column;

[0010] Fixing mechanism, the fixing mechanism is installed in first waterproof shell and second waterproof shell, and the fixing mechanism is used for the fixed clamping of optical fiber wire;

[0011] Locking mechanism, the locking mechanism is installed on first waterproof shell, and the locking mechanism is used for the fixed connection of first waterproof shell and second waterproof shell.

[0012] Further, the sealing assembly comprises an inner cylinder, a sealing shell and a sealing part, the inner cylinder is fixedly connected to the inner wall of the left end of the second waterproof shell, the outer surface of the inner cylinder is attached to the inner wall of the first waterproof shell, the right end of the sealing shell is fixedly connected to the left end of the second waterproof shell, and the sealing part is arranged between the first waterproof shell and the second waterproof shell.

[0013] Further, the sealing part comprises a first sealing ring, a second sealing ring and a third sealing ring, the first sealing ring is sleeved on the surface of the first waterproof shell, the right side of the first sealing ring is attached to the left end of the second waterproof shell, the second sealing ring is sleeved on the surface of the right end of the first waterproof shell, the outer surface of the second sealing ring is attached to the inner wall of the sealing shell, and the right end of the first waterproof shell is attached to the left side of the third sealing ring sleeved on the surface of the inner cylinder.

[0014] Further, the inner wall of the left end of the first waterproof shell and the inner wall of the right end of the second waterproof shell are fixedly provided with waterproof rubber cylinders, the surface of the optical fiber line penetrates the inner cavity of the waterproof rubber cylinder, and the optical fiber line is connected to the optical fiber terminal.

[0015] Further, the fixing mechanism comprises a fixing cylinder, a fixing clamping plate, a fastening bolt and a movable clamping plate, the fixing cylinder is fixed to the inner wall of the first waterproof shell and the second waterproof shell, the top inner wall of the fixing cylinder is fixedly connected with the fixing clamping plate, the bottom side of the fixing cylinder is threadedly penetrated by the fastening bolt, and the tail end of the fastening bolt is connected with the movable clamping plate.

[0016] Further, the bottom inner wall of the fixing clamping plate is attached to the top surface of the optical fiber line, and the bottom surface of the optical fiber line is attached to the top inner wall of the movable clamping plate.

[0017] Further, the bottom inner wall of the fixing clamping plate is attached to the top surface of the optical fiber line, and the bottom surface of the optical fiber line is attached to the top inner wall of the movable clamping plate.

[0018] Further, the locking mechanism comprises a locking seat, a connecting column, a locking plate, a locking nut and a locking ring, the locking seat is fixedly connected to the left side surface of the first waterproof shell, the right side of the locking seat is fixedly connected with the connecting column, the connecting column penetrates the locking plate at the right end, the right end of the connecting column is threadedly sleeved with the locking nut, and the bottom side of the locking plate is fixedly connected with the locking ring sleeved on the surface of the right end of the second waterproof shell.

[0019] Further, the number of the locking seats is three, and the three locking seats are distributed in a triangular shape on the outside of the first waterproof shell.

[0020] Further, the bottom side of the locking ring is fixedly connected with a sliding block, the sliding block is slidingly connected in the inner cavity of the sliding groove on the top side surface of the second waterproof shell, and the locking ring is slidingly sleeved on the surface of the second waterproof shell.

[0021] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.

[0022] The positive and progressive effects of this utility model are as follows:

[0023] The aforementioned waterproof fiber optic connector features a sealing component that enhances the waterproof sealing effect at the connection point, effectively isolating water from the outside of the connector and preventing oxidation of the fiber optic end face. This ensures stable signal transmission. The locking mechanism compresses the first and second waterproof shells, significantly improving the sealing performance of the connection between them. The locking nut allows for easy separation of the first and second waterproof shells, simplifying the process and meeting the needs of users. Furthermore, the fixing mechanism securely clamps the fiber optic cable within the fixing cylinder, preventing detachment at the fiber optic cable connection point and ensuring stable fiber optic signal transmission. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application.

[0025] Fig. 1 This is a three-dimensional structural diagram of the optical fiber movable connector of this utility model.

[0026] Fig. 2 This is a front cross-sectional view of the optical fiber connector of this utility model.

[0027] Fig. 3 This is a side sectional view of the fixing mechanism of the optical fiber movable connector of this utility model.

[0028] Explanation of reference numerals in the attached figures

[0029] 1. First waterproof casing;

[0030] 2. Second waterproof shell; 21. Slide groove;

[0031] 3. Sealing assembly; 31. Sealing housing; 32. First sealing ring; 33. Second sealing ring; 34. Inner cylinder; 35. Third sealing ring;

[0032] 4. Fixed column;

[0033] 5. Fiber optic connector;

[0034] 6. Waterproof rubber sleeve;

[0035] 7. Fixing mechanism; 71. Fixing cylinder; 72. Fixing clamp; 73. Fastening bolt; 74. Movable clamp;

[0036] 8. Fiber optic cable;

[0037] 9. Locking mechanism; 91. Locking seat; 92. Connecting column; 93. Locking plate; 94. Locking nut; 95. Locking ring; 96. Slider. Detailed Implementation

[0038] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0039] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0040] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0041] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0042] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0043] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0044] like Figs. 1-3 As shown, the waterproof fiber optic connector includes:

[0045] A first waterproof shell 1, and a second waterproof shell 2 is provided at the right end of the first waterproof shell 1;

[0046] A sealing component 3 is disposed between the first waterproof shell 1 and the second waterproof shell 2, and the sealing component 3 is used for waterproofing the connection between the first waterproof shell 1 and the second waterproof shell 2.

[0047] The fiber optic connector 5 is fixedly connected to the inner cavity of the sealing assembly 3 via a fixing post 4.

[0048] Fixing mechanism 7 is installed inside the first waterproof shell 1 and the second waterproof shell 2, and is used for fixing and clamping the optical fiber 8.

[0049] A locking mechanism 9 is installed on the first waterproof shell 1 and is used for the fixed connection between the first waterproof shell 1 and the second waterproof shell 2.

[0050] The sealing assembly 3 includes an inner cylinder 34, a sealing outer shell 31, and a sealing part. The outer side of the right end of the inner cylinder 34 is fixedly connected to the inner wall of the left end of the second waterproof shell 2. The outer surface of the inner cylinder 34 is in contact with the inner wall of the first waterproof shell 1. The right end of the sealing outer shell 31 is fixedly connected to the left end of the second waterproof shell 2. The sealing part is located between the first waterproof shell 1 and the second waterproof shell 2.

[0051] The sealing part includes a first sealing ring 32, a second sealing ring 33, and a third sealing ring 35. The first sealing ring 32 is fitted onto the surface of the first waterproof shell 1, and the right side of the first sealing ring 32 is in contact with the left end of the second waterproof shell 2. The second sealing ring 33 is fitted onto the right end surface of the first waterproof shell 1, and the outer surface of the second sealing ring 33 is in contact with the inner wall of the sealing shell 31. The right end of the first waterproof shell 1 is in contact with the left side of the third sealing ring 35 fitted onto the surface of the inner cylinder 34.

[0052] Under the locking and pressing of the locking mechanism 9, the left end of the sealing shell 31 is tightly pressed and adhered to the surface of the first waterproof shell 1 through the first sealing ring 32, and the inner wall of the sealing shell 31 is adhered to the outer surface of the right end of the first waterproof shell 1 through the second sealing ring 33. At the same time, a third sealing ring 35 is provided at the connection between the second waterproof shell 2 and the first waterproof shell 1, which further improves the waterproof sealing effect at the connection, improves the waterproof effect, effectively isolates water outside the connector, achieves the waterproof effect, avoids the problem of fiber end face oxidation, and ensures stable signal transmission.

[0053] A waterproof rubber tube 6 is fixedly installed on the inner wall of the left end of the first waterproof shell 1 and the inner wall of the right end of the second waterproof shell 2. The surface of the optical fiber line 8 passes through the inner cavity of the waterproof rubber tube 6, and the optical fiber line 8 is connected to the optical fiber connector 5.

[0054] The waterproof rubber sleeve 6 on the bucket lid enables the fiber optic cable 8 to achieve a waterproof connection with the first waterproof shell 1 and the second waterproof shell 2.

[0055] The fixing mechanism 7 includes a fixing cylinder 71, a fixing clamp 72, a fastening bolt 73, and a movable clamp 74. The fixing cylinder 71 is fixed to the inner wall of the first waterproof shell 1 and the second waterproof shell 2. The fixing clamp 72 is fixedly connected to the inner wall of the top side of the fixing cylinder 71. The fastening bolt 73 is threaded through the bottom side of the fixing cylinder 71. The movable clamp 74 is connected to the end of the fastening bolt 73.

[0056] After the fiber optic cable 8 is connected to the fiber optic connector 5, the fastening bolt 73 is rotated. The fastening bolt 73 pushes the movable clamp 74 to move. The movable clamp 74 cooperates with the fixed clamp 72 to stably clamp the fiber optic cable in the inner cavity of the fixed cylinder 71, thereby achieving the anti-detachment effect at the connection between the fiber optic cable 8 and the fiber optic connector 5 and ensuring stable transmission of fiber optic signals.

[0057] The movable clamping plate 74 has a rotating groove on its bottom side, and a rotating block is rotatably connected to the inner cavity of the rotating groove. The bottom side of the rotating block is fixedly connected to the end of the fastening bolt 73.

[0058] The bottom inner wall of the fixed clamp 72 is in contact with the top surface of the optical fiber 8, and the bottom surface of the optical fiber 8 is in contact with the top inner wall of the movable clamp 74.

[0059] The locking mechanism 9 includes a locking seat 91, a connecting post 92, a locking plate 93, a locking nut 94, and a locking ring 95. The locking seat 91 is fixedly connected to the left side surface of the first waterproof shell 1. The connecting post 92 is fixedly connected to the right side of the locking seat 91. The right end of the connecting post 92 passes through the locking plate 93, and the right end of the connecting post 92 is threaded with the locking nut 94. The locking ring 95, which is sleeved on the right end surface of the second waterproof shell 2, is fixedly connected to the bottom side of the locking plate 93.

[0060] After the first waterproof shell 1 and the second waterproof shell 2 are connected, the locking ring 95 is sleeved on the right end of the second waterproof shell 2. The slider 96, which is fixedly connected to the inner wall of the locking ring 95, is slidably connected to the inner cavity of the slide groove 21. The locking ring 95 drives the surface of the fixedly connected locking plate 93 to pass through the connecting post 92. Then, the locking nut 94 is rotated, and the locking nut 94 tightly fits the locking plate 93 and the second waterproof shell 2. At the same time, the locking plate 93 pushes the clamped second waterproof shell 2 to tightly clamp the first waterproof shell 1. The first waterproof shell 1 and the second waterproof shell 2 squeeze the first waterproof sealing ring and the second waterproof sealing ring, which greatly improves the sealing performance of the connection between the first protective shell and the second waterproof shell 2. By removing the locking nut 94, it is easy to separate the first waterproof shell 1 and the second waterproof shell 2. The disassembly is convenient and the operation is simple, meeting the needs of workers.

[0061] The number of locking seats 91 is three, and the three locking seats 91 are distributed in a triangular shape on the outside of the first waterproof shell 1.

[0062] The locking ring 95 is fixedly connected to the bottom side of the slider 96, the slider 96 is slidably connected to the inner cavity of the groove 21 on the top surface of the second waterproof shell 2, and the locking ring 95 is slidably sleeved on the surface of the second waterproof shell 2.

[0063] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this application does not involve any improvement to the software and methods.

[0064] This utility model is not limited to the above-described embodiments. Any changes in its shape or structure fall within the protection scope of this utility model. The protection scope of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the protection scope of this utility model.

Claims

1. A waterproof fiber optic connector, characterized in that, The waterproof fiber optic connector includes: A first waterproof shell (1) is provided at the right end of the first waterproof shell (1) and a second waterproof shell (2); A sealing assembly (3) is disposed between the first waterproof shell (1) and the second waterproof shell (2), and the sealing assembly (3) is used for waterproofing at the connection between the first waterproof shell (1) and the second waterproof shell (2); The fiber optic connector (5) is fixedly connected to the inner cavity of the sealing assembly (3) via a fixing post (4); Fixing mechanism (7), which is installed inside the first waterproof shell (1) and the second waterproof shell (2), is used for fixing and clamping the optical fiber (8); A locking mechanism (9) is installed on the first waterproof shell (1) and is used for the fixed connection between the first waterproof shell (1) and the second waterproof shell (2).

2. The waterproof fiber optic connector as described in claim 1, characterized in that: The sealing assembly (3) includes an inner cylinder (34), a sealing shell (31), and a sealing part. The outer side of the right end of the inner cylinder (34) is fixedly connected to the inner wall of the left end of the second waterproof shell (2). The outer surface of the inner cylinder (34) is in contact with the inner wall of the first waterproof shell (1). The right end of the sealing shell (31) is fixedly connected to the left end of the second waterproof shell (2). The sealing part is located between the first waterproof shell (1) and the second waterproof shell (2).

3. The waterproof fiber optic connector as described in claim 2, characterized in that: The sealing part includes a first sealing ring (32), a second sealing ring (33), and a third sealing ring (35). The first sealing ring (32) is fitted onto the surface of the first waterproof shell (1), and the right side of the first sealing ring (32) is in contact with the left end of the second waterproof shell (2). The second sealing ring (33) is fitted onto the right end surface of the first waterproof shell (1), and the outer surface of the second sealing ring (33) is in contact with the inner wall of the sealing shell (31). The right end of the first waterproof shell (1) is in contact with the left side of the third sealing ring (35) fitted onto the surface of the inner cylinder (34).

4. The waterproof fiber optic connector as described in claim 1, characterized in that: A waterproof tube (6) is fixedly installed on the inner wall of the left end of the first waterproof shell (1) and the inner wall of the right end of the second waterproof shell (2). The inner cavity of the waterproof tube (6) is penetrated by the surface of the optical fiber (8), and the optical fiber (8) is connected to the optical fiber connector (5).

5. The waterproof fiber optic connector as described in claim 1, characterized in that: The fixing mechanism (7) includes a fixing cylinder (71), a fixing clamp (72), a fastening bolt (73), and a movable clamp (74). The fixing cylinder (71) is fixed to the inner wall of the first waterproof shell (1) and the second waterproof shell (2). The fixing clamp (72) is fixedly connected to the inner wall of the top side of the fixing cylinder (71). The fastening bolt (73) is threaded through the bottom side of the fixing cylinder (71). The movable clamp (74) is connected to the end of the fastening bolt (73).

6. The waterproof fiber optic connector as described in claim 5, characterized in that: The movable clamp (74) has a rotating groove on its bottom side, and a rotating block is rotatably connected to the inner cavity of the rotating groove. The bottom side of the rotating block is fixedly connected to the end of the fastening bolt (73).

7. The waterproof fiber optic connector as described in claim 5, characterized in that: The bottom inner wall of the fixed clamp (72) is in contact with the top surface of the optical fiber (8), and the bottom surface of the optical fiber (8) is in contact with the top inner wall of the movable clamp (74).

8. The waterproof fiber optic connector as described in claim 1, characterized in that: The locking mechanism (9) includes a locking seat (91), a connecting post (92), a locking plate (93), a locking nut (94), and a locking ring (95). The locking seat (91) is fixedly connected to the left side surface of the first waterproof shell (1). The connecting post (92) is fixedly connected to the right side of the locking seat (91). The right end of the connecting post (92) passes through the locking plate (93), and the right end of the connecting post (92) is threaded with a locking nut (94). The locking ring (95) is fixedly connected to the bottom side of the locking plate (93) and sleeved on the right end surface of the second waterproof shell (2).

9. The waterproof fiber optic connector as described in claim 8, characterized in that: The number of locking seats (91) is three, and the three locking seats (91) are arranged in a triangular shape on the outside of the first waterproof shell (1).

10. The waterproof fiber optic connector as described in claim 8, characterized in that: The locking ring (95) is fixedly connected to the bottom side of the slider (96), the slider (96) is slidably connected to the inner cavity of the groove (21) on the top surface of the second waterproof shell (2), and the locking ring (95) is slidably sleeved on the surface of the second waterproof shell (2).

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