A pluggable optical fiber waterproof protection piece

By designing a pluggable waterproof fiber optic connector, which uses a combination of a sleeve and a cover, and includes an inner tube and a insertion tube, the waterproof, shock-absorbing, and reusable issues of existing fiber optic connectors are solved. This improves waterproof performance and shock absorption, making it suitable for long-term storage and outdoor use.

CN224471872UActive Publication Date: 2026-07-07ZHONGSHAN CITY RISING SUN PLASTIC ELECTRONICS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHONGSHAN CITY RISING SUN PLASTIC ELECTRONICS CO LTD
Filing Date
2025-08-01
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing fiber optic connector protection devices are inadequate in terms of waterproofing, shock absorption, and reusability, and lack cushioning protection during transportation.

Method used

A pluggable waterproof fiber optic protective component was designed, which adopts a combination structure of sleeve and cover, with an inner tube and insertion tube inside. A stable connection is achieved through the installation structure, and it is equipped with a waterproof rubber ring and an elastic top pressure component, which has dual waterproof and shock absorption performance.

Benefits of technology

It achieves multi-layer protection for fiber optic connectors, improves waterproof performance, has shock absorption function, is durable and reusable, and is suitable for long-term storage and outdoor use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pluggable optical fiber waterproof protection piece, including the sleeve head, be equipped with the inner tube for installing optical fiber joint in the sleeve head, the sleeve head and inner tube realize the assembly through setting installation structure, be equipped with the cover in the sleeve head one side, be equipped with the pipe that inserts in the cover, the cover and pipe are connected in the sleeve head and inner tube one end through setting plug -in structure, the waterproof rubber ring is covered on the inner tube, be equipped with the mounting portion on the inner tube one side, be equipped with the buckling piece on the mounting portion, be equipped with the buckling groove that can cooperate with the buckling piece and insert the buckle in the cover inside, the utility model sets up the sleeve head and cover as the outer layer protection, then through the inner tube and pipe carry out the inner layer protection and cooperate installation structure and realize fastening installation, and installation structure has certain cushioning performance.
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Description

Technical Field

[0001] This utility model relates to the field of optical fiber products, and in particular to a pluggable waterproof protective component for optical fibers. Background Technology

[0002] Fiber optic connectors are used to connect to fiber optic equipment. Since many fiber optic devices are installed outdoors, the fiber optic cables are easily damaged by the environment after connection. Furthermore, they lack protection when not connected. All of these factors can lead to various problems when left exposed for extended periods, such as water damage, impact damage, corrosion, dust blockage, and oil contamination. Therefore, protective packaging is necessary. Most existing fiber optic connector protective devices use simple structures to cover the connectors, which are not conducive to secure and quick installation. In terms of connector protection, they often only offer single-layer protection and generally use disposable caps, rarely reusable caps, which is not conducive to repeated use. Regarding water resistance, the simple sealing structure is prone to liquid leakage, making it unsuitable for long-term storage. In terms of transportation, current technology lacks shock absorption. Utility Model Content

[0003] To address the shortcomings of the existing technology, the technical problem to be solved by this utility model is to provide a fiber optic connector protective component that is easy to assemble and disassemble, allows the cover and sleeve to be separated by plugging and unplugging, has better waterproof performance, and also has shock absorption performance, which is conducive to transportation, provides multi-layer protection for the connector, and the cover can be reused.

[0004] To achieve the above objectives, this utility model provides the following solution:

[0005] A pluggable waterproof fiber optic protective component includes a sleeve, an inner tube for installing a fiber optic connector inside the sleeve, the sleeve and the inner tube being assembled by an installation structure, a cover on one side of the sleeve, an insert tube inside the cover, the cover and the insert tube being connected to one end of the sleeve and the inner tube by a pluggable structure, a waterproof rubber ring on the inner tube, an installation part on one side of the inner tube, a fastening element on the installation part, and a fastening groove inside the cover that can engage with the fastening element.

[0006] Furthermore, the installation structure of this utility model includes installation grooves on both sides inside the sleeve, elastic pressing members on both sides outside the inner tube that can be elastically pressed into the installation grooves, a limiting flange on the outside of the inner tube, a limiting protrusion inside the sleeve that can abut against the limiting flange, a positioning groove on the limiting flange, and a positioning insert on the limiting protrusion that can be inserted into the positioning groove.

[0007] Furthermore, a spring is provided between the elastic pressing member and the limiting protrusion in this utility model, and the spring is sleeved on the outside of the inner tube.

[0008] Furthermore, in this utility model, the front end of the inner tube protrudes from the sleeve head, and a waterproof annular groove is provided on the front end of the inner tube for the waterproof rubber ring to be fitted.

[0009] Furthermore, the insertion and removal structure of this utility model includes an annular snap-fit ​​part disposed inside the cover for snapping the front end of the inner tube and the waterproof rubber ring, a positioning groove is provided on the outer wall of the insertion tube, and a positioning slide is provided inside the front end of the inner tube for inserting into the positioning groove.

[0010] Furthermore, the installation part of this utility model includes installation cavities provided on the left and right sides of the front part of the inner tube, a detachable installation bracket provided on one side of the inner tube, a hook on the installation bracket, an installation baffle provided on the rear side of the installation cavity, the fastening element being installed on the hook and the installation baffle, and installation clearance grooves provided on both sides of the front end of the sleeve to accommodate the installation cavity.

[0011] Furthermore, the fastening component in this utility model includes a fastening plate that can be installed in the mounting cavity, a fastening groove that can be embedded in the mounting baffle on the fastening plate, and a triangular component on the fastening plate.

[0012] Furthermore, the snap-fit ​​groove in this utility model includes a rotating groove provided on the left and right walls inside the cover, and a flared groove is provided on the rear side of the rotating groove for the triangular piece to slide into the rotating groove.

[0013] Furthermore, the inner tube of this utility model has clamping grooves on both sides inside, and clamping grooves on both sides inside the insertion tube.

[0014] Furthermore, the cover of this utility model is provided with a lifting ring, and a tail cover is threadedly installed at the rear end of the cover, and a lifting rope is provided on the tail cover.

[0015] In summary, the advantages of this utility model over the prior art are:

[0016] This invention features a sleeve and cover as the outer layer of protection, followed by an inner tube and insertion tube for inner layer protection. These, combined with an installation structure, ensure a secure installation, and the installation structure also provides some shock absorption. The sleeve and cover can be inserted and removed via the mounting part, fastening element, and fastening groove, allowing for repeated use. The overall structure provides very tight protection for the internal fiber optic connector, making it suitable for long-term storage or long-term protection after outdoor connection. The waterproof rubber ring is located inside the cover, providing double waterproofing, with stronger waterproof performance than existing technologies. The overall structure is durable and allows for connector replacement. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0018] Figure 2 This is a three-dimensional schematic diagram of the sleeve and inner tube of this utility model;

[0019] Figure 3 This is a three-dimensional schematic diagram of the inner tube of this utility model;

[0020] Figure 4 This is a three-dimensional sectional view of the inside of the head of this utility model;

[0021] Figure 5 This is a three-dimensional schematic diagram of the inner tube and mounting structure of this utility model;

[0022] Figure 6 This is a three-dimensional sectional view of the interior of the inner tube of this utility model;

[0023] Figure 7 This is a three-dimensional schematic diagram of the mounting part of this utility model;

[0024] Figure 8 This is a three-dimensional schematic diagram of the fastening component of this utility model;

[0025] Figure 9 This is a three-dimensional schematic diagram of the cover of this utility model;

[0026] Figure 10 This is a three-dimensional sectional view of the cover at various depths of this utility model. Detailed Implementation

[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0028] like Figures 1 to 10The present invention preferably provides a pluggable waterproof fiber optic protective component, comprising a sleeve 1, an inner tube 11 for installing a fiber optic connector within the sleeve 1, the sleeve 1 and the inner tube 11 being assembled via an installation structure 2, a cover 12 on one side of the sleeve 1, and an insertion tube 13 within the cover 12, the cover 12 and the insertion tube 13 being connected to one end of the sleeve 1 and the inner tube 11 via a pluggable structure 3, a waterproof rubber ring 4 being fitted onto the inner tube 11, an installation part 5 on one side of the inner tube 11, a fastening element 6 being mounted on the installation part 5, and a fastening groove 7 inside the cover 12 for engaging with the fastening element 6. The sleeve and the inner tube are fixedly connected via the installation structure, the fiber optic connector can be installed inside the inner tube, and the connector can also extend partially from its front end; the insertion tube can accommodate the extended portion of the fiber optic connector when the cover is installed. The sleeve head and sleeve cover are positioned and connected via a plug-in structure, allowing for insertion and removal. Combined with the mounting part, fastening parts, and fastening groove, the sleeve cover and sleeve head are securely fastened. During use, the sleeve cover must be unfastened before insertion or removal. This structure ensures a very secure and tight connection between the sleeve cover and sleeve head. Furthermore, the waterproof rubber ring at the front end of the inner tube enhances the insertion and removal effect, providing a certain degree of resistance. Moreover, the waterproof rubber ring, combined with the sleeve cover, provides double waterproofing.

[0029] The installation structure 2 described in this utility model includes installation grooves 21 on both sides inside the sleeve 1. Elastic pressing members 22 are provided on both sides outside the inner tube 11 and can be elastically pressed into the installation grooves 21. A limiting flange 23 is provided outside the inner tube 11, and a limiting protrusion 24 is provided inside the sleeve 1 and can abut against the limiting flange 23. A positioning groove 25 is provided on the limiting flange 23, and a positioning insert 26 is provided on the limiting protrusion 24 and can be inserted into the positioning groove 25. The elastic pressing members are two hooks in an outwardly supporting state. After the inner tube is installed into the sleeve, the elastic pressing members will support it in the installation groove, maintaining the centered position of the inner tube. The correct installation position is when the limiting flange of the inner tube contacts the limiting protrusion of the sleeve, and the positioning insert is in the positioning groove. Due to the elastic effect of the elastic pressing members, the entire inner tube has a certain amount of movable space inside the sleeve, thus possessing a certain degree of shock absorption performance.

[0030] In this invention, a spring 8 is provided between the elastic pressing member 22 and the limiting protrusion 24, and the spring 8 is sleeved on the outside of the inner tube 11. The function of the spring is to strengthen the elastic pressing force of the elastic pressing member on the mounting groove, so that the inner tube is kept in the correct position, and the inner tube is kept in the correct installation position inside the sleeve as described above.

[0031] In this invention, the front end of the inner tube 11 protrudes from the sleeve 1, and a waterproof annular groove 81 is provided on the front end of the inner tube 11 for the waterproof rubber ring 4 to be fitted. The waterproof annular groove is located at the front end of the inner tube and on the protruding part. After the waterproof rubber ring is fitted, it provides a certain insertion and removal resistance when the sleeve is inserted and removed.

[0032] The insertion / removal structure 3 of this invention includes an annular locking part 31 disposed inside the cover 12 for locking the front end of the inner tube 11 and the waterproof rubber ring 4. A positioning groove 32 is provided on the outer wall of the insertion tube 13, and a positioning slide 33 is provided inside the front end of the inner tube 11, which can be inserted into the positioning groove 32. The front end of the inner tube extends into the annular locking part, and the waterproof rubber ring also extends into the front side of the annular locking part to provide insertion / removal resistance. During this process, the waterproof rubber ring is squeezed. The function of the positioning groove and the positioning slide is to position the inner tube and the cover in place, preventing rotation.

[0033] The mounting part 5 of this utility model includes mounting cavities 51 located on the left and right sides of the front of the inner tube 11, a detachable mounting bracket 52 located on one side of the inner tube 11, hooks 53 on the mounting brackets 52, and a mounting baffle 54 located on the rear side of the mounting cavities 51. The fastening member 6 is mounted on the hooks 53 and the mounting baffle 54. Mounting clearance grooves 55 are provided on both sides of the front end of the sleeve 1 to accommodate the mounting cavities 51. The mounting cavities can accommodate the fastening members, which, after installation, are located outside the mounting cavities and mounting brackets. The fastening members are securely mounted through the grooves and the mounting baffle. The mounting clearance grooves accommodate the mounting cavities and provide positioning. The mounting brackets are fixed to the outside of the inner tube by screws, and both ends have a certain amount of movable space, allowing the fastening members to have a certain degree of mobility.

[0034] The fastening member 6 of this utility model includes a fastening plate 61 that can be installed in the mounting cavity 51. The fastening plate 61 has a fastening groove 62 that can be embedded in the mounting baffle 54. A triangular member 63 is also provided on the fastening plate 61. The fastening plate is placed inside the mounting cavity and located outside the mounting bracket. The fastening groove is used to be embedded and fixed by the mounting baffle. The triangular member is used to connect with the fastening groove of the cover to achieve fastening.

[0035] The fastening groove 7 described in this utility model includes rotating grooves 71 disposed on the left and right walls inside the cover 12. A flared groove 72 is provided on the rear side of the rotating groove 71 for the triangular piece 63 to slide into the rotating groove 71. When installing the cover, the triangular piece is aligned with the flared groove and pushed in. Guided by the flared groove, the triangular piece slides into the rotating groove. When unlocking, the triangular piece needs to be pressed inwards to disengage it from the rotating groove and allow it to enter the flared groove, thus unlocking the fastening mechanism. Because the fastening component is mounted on a mounting bracket, and the mounting bracket has a certain amount of movable space, the triangular piece can be pressed.

[0036] In this invention, the inner tube 11 has clamping grooves 82 on both sides inside, and the insertion tube 13 has clamping grooves 83 on both sides inside. These are used to clamp and fix the optical fiber connector.

[0037] In this invention, the cover 12 is provided with a lifting ring 84, and a tail cover 85 is threadedly installed at the rear end of the cover 1. A lifting rope 86 is provided on the tail cover 85. The tail cover can be attached to the lifting rope after the cover is removed to prevent loss.

[0038] The foregoing has shown and described the basic principles and main features of this utility model, as well as its advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A pluggable waterproof fiber optic protective component, characterized in that: The device includes a sleeve (1), an inner tube (11) for installing fiber optic connectors is provided inside the sleeve (1), the sleeve (1) and the inner tube (11) are assembled by setting an installation structure (2), a cover (12) is provided on one side of the sleeve (1), an insertion tube (13) is provided inside the cover (12), the cover (12) and the insertion tube (13) are connected to one end of the sleeve (1) and the inner tube (11) by setting a plug-in structure (3), a waterproof rubber ring (4) is fitted on the inner tube (11), an installation part (5) is provided on one side of the inner tube (11), a fastening part (6) is installed on the installation part (5), and a fastening groove (7) is provided inside the cover (12) that can be engaged with the fastening part (6).

2. The pluggable waterproof fiber optic protective component according to claim 1, characterized in that: The mounting structure (2) includes mounting grooves (21) on both sides inside the sleeve (1), elastic pressing members (22) on both sides outside the inner tube (11) and elastically pressable into the mounting grooves (21), a limiting flange (23) on the outside of the inner tube (11), a limiting protrusion (24) inside the sleeve (1) and abutting against the limiting flange (23), a positioning groove (25) on the limiting flange (23), and a positioning plug (26) on the limiting protrusion (24) and insertable into the positioning groove (25).

3. The pluggable waterproof fiber optic protective component according to claim 2, characterized in that: A spring (8) is provided between the elastic pressing member (22) and the limiting protrusion (24), and the spring (8) is sleeved on the outside of the inner tube (11).

4. The pluggable waterproof fiber optic protective component according to claim 1, characterized in that: The front end of the inner tube (11) protrudes from the sleeve (1), and a waterproof annular groove (81) is provided on the front end of the inner tube (11) for the waterproof rubber ring (4) to be fitted.

5. A pluggable waterproof fiber optic protective device according to claim 1, characterized in that: The insertion and removal structure (3) includes an annular snap-fit ​​part (31) provided inside the cover (12) for snapping the front end of the inner tube (11) and the waterproof rubber ring (4), a positioning groove (32) is provided on the outer wall of the insertion tube (13), and a positioning slide (33) that can be inserted into the positioning groove (32) is provided inside the front end of the inner tube (11).

6. The pluggable waterproof fiber optic protective component according to claim 1, characterized in that: The mounting part (5) includes mounting cavities (51) provided on the left and right sides of the front part of the inner tube (11), a detachable mounting bracket (52) provided on one side of the inner tube (11), a hook (53) provided on the mounting bracket (52), a mounting baffle (54) provided on the rear side of the mounting cavity (51), the fastening part (6) is installed on the hook (53) and the mounting baffle (54), and mounting clearance grooves (55) that can accommodate the mounting cavity (51) are provided on both sides of the front end of the sleeve (1).

7. A pluggable waterproof fiber optic protective device according to claim 6, characterized in that: The fastening member (6) includes a fastening plate (61) that can be installed in the mounting cavity (51), a fastening groove (62) that can be embedded in the mounting baffle (54) is provided on the fastening plate (61), and a triangular member (63) is provided on the fastening plate (61).

8. A pluggable waterproof fiber optic protective device according to claim 7, characterized in that: The fastening groove (7) includes a rotating groove (71) provided on the left and right walls inside the cover (12), and a flared groove (72) is provided on the rear side of the rotating groove (71) for the triangular piece (63) to slide into the rotating groove (71).

9. A pluggable waterproof fiber optic protective device according to claim 1, characterized in that: Clamping groove 1 (82) is provided on both sides inside the inner tube (11), and clamping groove 2 (83) is provided on both sides inside the insertion tube (13).

10. A pluggable waterproof fiber optic protective device according to claim 1, characterized in that: A lifting ring (84) is provided on the cover (12), and a tail cap (85) is threaded onto the rear end of the head (1), and a lifting rope (86) is provided on the tail cap (85).