Flange sealing optical fiber adapter

By using a flange sealing structure and sealant, the sealing problem of traditional fiber optic adapters in high temperature and humidity environments is solved, achieving stable transmission of fiber optic signals and long-term system reliability.

CN223911086UActive Publication Date: 2026-02-13SHANGHAI DONGYUAN MECHANICAL & ELECTRICAL EQUIP CO LTD
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Patent Information

Application Number
CN202520620771.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-02-13
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

Traditional fiber optic adapters have poor sealing performance in high-temperature and humid environments, which can lead to signal attenuation or interruption, affecting the quality of fiber optic signal transmission and system reliability.

Method used

The flange sealing structure is adopted. By welding and filling the gap between the flange and the connecting plate, a sealing barrier is formed to prevent the intrusion of external factors and ensure the stability and durability of the fiber optic connection.

Benefits of technology

It improves the sealing and stability of fiber optic connections, reduces maintenance costs, and facilitates installation and maintenance.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223911086U_ABST
    Figure CN223911086U_ABST
Patent Text Reader

Abstract

The utility model discloses a flange sealing optical fiber adapter, which comprises a flange, two optical fiber adapters and a middle connecting terminal, the tail ends of the two optical fiber adapters are inserted into the middle connecting terminal, the outer side of the middle connecting terminal is sleeved with a protection tube, and the flange sealing optical fiber adapter is arranged in the middle connecting terminal. Wherein one optical fiber adapter is provided with a connecting plate, the connecting plate is fixed on a flange, and a sealing piece is arranged between the flange and the protection tube. According to the utility model, external factors such as moisture and dust are effectively prevented from invading through the filling of the sealing element and the flange seam allowance, and the stability and durability of optical fiber connection are improved; the welding connection of the connecting plate and the flange and the filling of the inner cavity of the sealing piece ensure the stability of the whole device.
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Description

TECHNICAL FIELD

[0001] The utility model relates to optical fiber adapter technical field, specifically a flange sealing optical fiber adapter. BACKGROUND

[0002] With the rapid development of optical fiber communication technology, the optical fiber adapter as the important connecting component in the optical fiber network, its sealing and stability directly influence the transmission quality of optical fiber signal and the long-term reliability of system.

[0003] The conventional optical fiber adapter is prone to signal attenuation or even interruption caused by poor sealing in high-temperature and humid environment. Therefore, the utility model provides a flange sealing optical fiber adapter which can ensure stable connection of optical fiber and good sealing performance. SUMMARY

[0004] The utility model discloses a flange sealing optical fiber adapter to solve the problem in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a flange sealing optical fiber adapter, including flange, optical fiber adapter and intermediate connecting terminal, the optical fiber adapter is provided with two, the tail end of two optical fiber adapters is inserted into intermediate connecting terminal, the outside of intermediate connecting terminal is covered with protection tube, one of optical fiber adapters is installed with connecting plate, the connecting plate is fixed on the flange, and the sealing element is arranged between the flange and protection tube;The first optical fiber connector is installed on the connecting plate, and the tail end of the optical fiber sensor is inserted into the intermediate connecting terminal and the protection tube once.A second optical fiber adapter is installed on the other side of the intermediate connecting terminal to form a continuous path for optical fiber signals. The whole set of installed components are installed on the flange: the flange has a stop groove, which can fix the connecting plate on the flange. The flange and the connecting plate are welded. Sealant is poured into the inner cavity of the flange, and after the sealant solidifies, an effective sealing barrier is formed to protect the internal optical fiber component connection from the influence of the external environment.

[0006] Preferably, the sealing element uses sealant.

[0007] Preferably, the flange is provided with a stop groove at the connecting plate, and the connecting plate is located at the stop groove of the flange.

[0008] Preferably, the connecting plate and the flange are fixed by welding.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] High sealing property: the filling of the sealing element and the flange stop effectively prevent the intrusion of external factors such as moisture and dust, improving the stability and durability of optical fiber connection.

[0011] Structure stability: the welding connection of the connecting plate and the flange, and the inner cavity filling of the sealing element, ensure the stability of the whole device.

[0012] Easy to maintain: the structure is clear and simple, and is easy to disassemble and reassemble during installation and maintenance, thereby reducing the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the technical scheme of the present application, and do not constitute a limitation on the present application. In the drawings:

[0014] Figure 1 is a structural schematic view of the present application.

[0015] In the figure: 1, flange; 2, optical fiber adapter; 3, intermediate connecting terminal; 4, protective tube; 5, sealing element; 6, connecting plate. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents the selected embodiments of the present application.

[0017] Please refer to Figure 1The utility model discloses an embodiment of a kind of flange sealing optical fiber adapter, including flange 1, optical fiber adapter 2 and intermediate connecting terminal 3, two optical fiber adapters 2 are provided, the tail end of two optical fiber adapters 2 is inserted into intermediate connecting terminal 3, the outside of intermediate connecting terminal 3 is covered with protection tube 4, one of optical fiber adapters 2 is equipped with connecting plate 6, connecting plate 6 is fixed on flange 1, sealing element 5 is arranged between flange 1 and protection tube 4, sealing element 5 uses sealant. First optical fiber connector 2 is installed to connecting plate 6, and the tail end of optical fiber sensor 2 is inserted into intermediate connecting terminal 3, protection tube 4 once. Second optical fiber adapter 2 is installed on the other side of intermediate connecting terminal, and the continuous passage of optical fiber signal is formed. This set of installed components is integrally installed to flange 1: there is a stop slot on flange 1, and connecting plate 6 can be fixed on flange 1. Flange 1 and connecting plate 6 are welded. Sealant is filled in the inner cavity of flange 1, and after the sealant solidifies, effective sealing barrier is formed, and internal optical fiber assembly connection is protected from external environment.

[0018] The flange 1 is located at the stop slot of the connecting plate 6, and the connecting plate 6 is located at the stop slot of the flange 1. The connecting plate 6 and the flange 1 are fixed by welding.

[0019] The working principle of the utility model is as follows: first optical fiber connector 2 is installed to connecting plate 6, and the tail end of optical fiber sensor 2 is inserted into intermediate connecting terminal 3, protection tube 4 once. Second optical fiber adapter 2 is installed on the other side of intermediate connecting terminal, and the continuous passage of optical fiber signal is formed. This set of installed components is integrally installed to flange 1: there is a stop slot on flange 1, and connecting plate 6 can be fixed on flange 1. Flange 1 and connecting plate 6 are welded. Sealant is filled in the inner cavity of flange 1, and after the sealant solidifies, effective sealing barrier is formed, and internal optical fiber assembly connection is protected from external environment.

[0020] Finally, it should be noted that: the above only for preferred embodiment of the utility model has been described, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A flange-seal fiber optic adapter, characterized by: Including flange (1), fiber adapter (2) and intermediate connecting terminal (3), two fiber adapters (2) are provided, the tail end of two fiber adapters (2) is inserted into intermediate connecting terminal (3), the outer side of intermediate connecting terminal (3) is sleeved with protection tube (4), one of fiber adapters (2) is provided with connecting plate (6), connecting plate (6) is fixed on flange (1), sealing element (5) is arranged between flange (1) and protection tube (4).

2. A flange-seal fiber optic adapter (2) as described in claim 1, characterized in that: The sealing element (5) is a sealant.

3. A flange-seal fiber optic adapter (2) as described in claim 1, further characterized by: The flange (1) is provided with a stop groove at the connecting plate (6), and the connecting plate (6) is located at the stop groove of the flange (1).

4. A flange-seal fiber optic adapter (2) as defined in claim 3, characterized in that: The connecting plate (6) and the flange (1) are fixed by welding.