Double airtight type connector device for optical fiber connection
By designing a dual-airtight connector device, the combination of external airtight kit and internal airtight kit is used to achieve double sealing of internal and external fiber optic connectors, solving the problem of air leakage in existing airtight fiber optic connectors, extending the service cycle and ensuring safe operation.
Patent Information
- Application Number
- CN202421854770.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-08-02
AI Technical Summary
Existing airtight fiber connectors are prone to aging of sealing gaskets or wear and leaking fiber lines during long-term use, resulting in safety hazards and cannot meet the safety needs of toxic and harmful gases or high-pressure gases.
A double airtight connector device is designed. Through the combination of an outer airtight kit and an inner airtight kit, an outer compression airtight pad and an outer sealing ring are used for external sealing, and an inner sealing glue ring and a core sleeve airtight ring are used for internal sealing, realizing double sealing inside and outside.
The use cycle of optical fiber lines is extended, the sealing gasket aging or the wear and leakage of optical fiber lines is avoided, and the operation safety of toxic and harmful gases or high-pressure gases is ensured.
Smart Images

Figure CN222838220U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an airtight connector for optical fiber connection, in particular to a double airtight connector device for optical fiber connection. Background Art
[0002] At present, the optical fiber lines for communication on the market are connected through optical fiber connectors. Due to the different environments in which optical fiber lines are laid and installed, the requirements for optical fiber connectors in different environments are different; most of the existing airtight optical fiber connectors use threaded connections and sealing gaskets for air isolation and sealing for airtightness, and most of the threaded airtight optical fiber connectors are externally airtight structures; due to the installation of optical fiber lines of production equipment in toxic and harmful gases or high-pressure gas conditions, more rigorous airtight optical fiber connectors are required to ensure the safety of workers; during the long-term use of airtight optical fiber connectors with external airtight structures, there are phenomena of aging of sealing gaskets or wear and leakage of optical fiber lines. Once the airtight optical fiber connector leaks, it is easy to cause production accidents for operators; due to the relatively weak safety protection of the airtight optical fiber connector with an external airtight structure, it cannot meet the safety of production workers in toxic and harmful gases or high-pressure gas conditions; in view of the above-mentioned reasons, a double airtight connector device for optical fiber connection is proposed. Utility Model Content
[0003] The purpose of the utility model is to make the existing airtight fiber optic connector threaded connection into an external airtight structure; due to the installation of the optical fiber line of the production equipment in the toxic and harmful gas or high-pressure gas working conditions, the airtight fiber optic connector with an external airtight structure has the phenomenon of aging of the sealing gasket or wear and leakage of the optical fiber line during long-term use. Once the airtight fiber optic connector leaks, it is easy to cause a production accident for the operator; the safety protection of the airtight fiber optic connector with an external airtight structure is relatively weak, and it cannot meet the safety of the production staff in the toxic and harmful gas or high-pressure gas working conditions; through reasonable design, a double airtight connector device for optical fiber connection is provided; the double airtight connector device of the utility model is composed of an external airtight kit and an internal airtight kit, the external airtight kit is sealed by an external compression airtight pad and two external sealing rings, and the internal airtight kit is sealed by an internal sealing glue injection ring and three fiber core sleeve airtight rings. The double airtight connector device is sealed inside and outside, which can extend the service life of the optical fiber line, avoid the phenomenon of aging of the sealing gasket or wear and leakage of the optical fiber line, and ensure the production safety of the operators in the toxic and harmful gas or high-pressure gas working conditions.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a double airtight connector device for optical fiber connection, which is composed of: an airtight connector, a connector seat, an incoming line positioning sleeve, a socket positioning sleeve, an optical fiber data line core, an optical fiber data line terminal, a plug connection sleeve, a line core sealing sleeve, an inner sealing glue injection ring, a core sleeve airtight ring, an outer compression airtight pad, and an outer sealing ring; the airtight connector is set as a socket end, the airtight connector is equipped with a plug end connector, the rear part of the airtight connector is set as a connector seat, a pair of connecting screw holes are reserved on both sides of the connector seat, an incoming line positioning sleeve is set at the rear end of the airtight connector, a socket positioning sleeve is set at the front end of the airtight connector, and a plug is set in the socket positioning sleeve; the shape of the outer side of the airtight connector corresponds to the outer connection sleeve of the plug; two grooves are reserved in the middle of the outer side of the airtight connector, outer sealing rings are respectively set in the two grooves, and an outer compression airtight pad is set on one side of the connector seat; the outer compression airtight pad and the two outer sealing rings are respectively set with the outer connection sleeve of the outer plug as the outer airtight kit at the front end of the airtight connector.
[0005] The central axial direction of the airtight connector is reserved as a cavity, a core sealing sleeve is arranged in the middle of the cavity, the rear end of the cavity is reserved as an optical fiber data line cavity, an optical fiber data line is arranged in the middle of the optical fiber data line cavity, the front end of the cavity is reserved as a plug cavity, and a plug connector is arranged in the middle of the plug cavity;
[0006] A threading hole is reserved in the wire core sealing sleeve, and an optical fiber data wire core is arranged in the threading hole; a pair of optical fiber data wire terminals are arranged at both ends of the optical fiber data wire core; a pair of wire terminal holes are reserved at both ends of the threading hole, and a pair of optical fiber data wire terminals are arranged in the pair of wire terminal holes; plug sleeve holes are reserved at the outer ends of the pair of wire terminal holes, plug connection sleeves are arranged in the plug sleeve holes, and optical fiber data wire terminals are arranged in the plug connection sleeves;
[0007] Three grooves are evenly distributed in the middle of the outer side of the core sealing sleeve, and fiber core sleeve airtight rings are respectively arranged in the three grooves. An inner sealing glue injection ring is arranged between the middle of the optical fiber data line terminal at one end of the plug and the airtight connector cavity; the inner sealing glue injection ring and the three fiber core sleeve airtight rings are arranged as an inner airtight kit at the front end of the airtight connector.
[0008] Beneficial effect: The double airtight connector device of the utility model is composed of an outer airtight kit and an inner airtight kit. The outer airtight kit is sealed by an outer compression airtight pad and two outer sealing rings, and the inner airtight kit is sealed by an inner sealing injection ring and three fiber core sleeve airtight rings. The double airtight connector device is sealed inside and outside, which can extend the service life of the optical fiber line, avoid the phenomenon of aging of the sealing pad or wear and leakage of the optical fiber line, and ensure the production safety of operators in toxic and harmful gas or high-pressure gas conditions. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] The utility model is further described below in conjunction with the accompanying drawings:
[0010] Figure 1 It is a schematic diagram of the general assembly structure;
[0011] Figure 2 yes Figure 1 Schematic diagram of the external structure;
[0012] Figure 3 yes Figure 2 Schematic diagram of the three-dimensional structure;
[0013] Figure 4 yes Figure 2 Schematic diagram of the decomposition structure;
[0014] Figure 1 , 2 , 3, and 4: airtight connector 1, connector seat 2, incoming line positioning sleeve 3, socket positioning sleeve 4, optical fiber data line core 5, optical fiber data line terminal 6, plug connection sleeve 7, wire core sealing sleeve 8, inner sealing glue injection ring 9, fiber core sleeve airtight ring 10, outer compression airtight pad 11, and outer sealing ring 12. DETAILED DESCRIPTION
[0015] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:
[0016] The double airtight connector device for optical fiber connection is composed of: an airtight connector 1, a connector seat 2, an inlet positioning sleeve 3, a socket positioning sleeve 4, an optical fiber data line core 5, an optical fiber data line terminal 6, a plug connection sleeve 7, a line core sealing sleeve 8, an inner sealing injection ring 9, a fiber core sleeve airtight ring 10, an outer compression airtight pad 11, and an outer sealing ring 12; the airtight connector 1 is set as a socket end, the airtight connector 1 is equipped with a plug end connector, the rear of the airtight connector 1 is set as a connector seat 2, and a pair of A connecting screw hole is provided, and an incoming line positioning sleeve 3 is provided at the rear end of the airtight connector 1, a socket positioning sleeve 4 is provided at the front end of the airtight connector 1, and a plug is provided in the socket positioning sleeve 4; the shape of the outer side of the airtight connector 1 corresponds to the external connection sleeve of the plug; two grooves are reserved in the middle of the outer side of the airtight connector 1, and external sealing rings 12 are respectively provided in the two grooves, and an external compression airtight gasket 11 is provided on one side of the connector seat 2; the external compression airtight gasket 11 and the two external sealing rings 12 are respectively provided with the external connection sleeve of the outer plug as the external airtight kit at the front end of the airtight connector 1.
[0017] The central axial direction of the airtight connector 1 is reserved as a cavity, a core sealing sleeve 8 is arranged in the middle of the cavity, the rear end of the cavity is reserved as an optical fiber data line cavity, an optical fiber data line is arranged in the middle of the optical fiber data line cavity, the front end of the cavity is reserved as a plug cavity, and a plug connector is arranged in the middle of the plug cavity;
[0018] A threading hole is reserved in the wire core sealing sleeve 8, and an optical fiber data wire core 5 is arranged in the threading hole; a pair of optical fiber data wire terminals 6 are arranged at both ends of the optical fiber data wire core 5; a pair of wire terminal holes are reserved at both ends of the threading hole, and a pair of optical fiber data wire terminals 6 are arranged in the pair of wire terminal holes; plug sleeve holes are reserved at the outer ends of the pair of wire terminal holes, plug connection sleeves 7 are respectively arranged in the plug sleeve holes, and optical fiber data wire terminals 6 are respectively arranged in the plug connection sleeves 7;
[0019] Three grooves are evenly reserved in the middle of the outer side of the core sealing sleeve 8, and fiber core sleeve airtight rings 10 are respectively arranged in the three grooves. An inner sealing glue injection ring 9 is arranged between the middle of the optical fiber data line terminal 6 at one end of the plug and the cavity of the airtight connector 1; the inner sealing glue injection ring 9 and the three fiber core sleeve airtight rings 10 are arranged as an inner airtight kit at the front end of the airtight connector 1.
Claims
1. A double airtight connector device for optical fiber connection, comprising: an airtight connector (1), a connector seat (2), an inlet positioning sleeve (3), a socket positioning sleeve (4), an optical fiber data line core (5), an optical fiber data line terminal (6), a plug connection sleeve (7), a core sealing sleeve (8), an inner sealing glue injection ring (9), a core sleeve airtight ring (10), an outer compression airtight pad (11), and an outer sealing ring (12); characterized in that: The airtight connector (1) is provided as a socket end, the airtight connector (1) is provided with a plug end connector, the rear of the airtight connector (1) is provided as a connector seat (2), a pair of connection screw holes are reserved on both sides of the connector seat (2), an inlet positioning sleeve (3) is provided at the rear end of the airtight connector (1), a socket positioning sleeve (4) is provided at the front end of the airtight connector (1), and a plug is provided in the socket positioning sleeve (4); the shape of the outer side of the airtight connector (1) corresponds to the outer connection sleeve of the plug; two grooves are reserved in the middle of the outer side of the airtight connector (1), outer sealing rings (12) are respectively provided in the two grooves, and an outer compression airtight pad (11) is provided on one side of the connector seat (2); an outer airtight set of the front end of the airtight connector (1) is provided between the outer compression airtight pad (11) and the two outer sealing rings (12) and the outer connection sleeve of the outer plug.
2. A double airtight connector device for optical fiber connection according to claim 1, characterized in that: The central axial direction of the airtight connector (1) is reserved as a cavity, a core sealing sleeve (8) is arranged in the middle of the cavity, the rear end of the cavity is reserved as an optical fiber data line cavity, an optical fiber data line is arranged in the middle of the optical fiber data line cavity, the front end of the cavity is reserved as a plug cavity, and a plug connector is arranged in the middle of the plug cavity; A threading hole is reserved in the wire core sealing sleeve (8), and an optical fiber data wire core (5) is arranged in the threading hole; a pair of optical fiber data wire terminals (6) are arranged at both ends of the optical fiber data wire core (5); a pair of wire terminal holes are reserved at both ends of the threading hole, and a pair of optical fiber data wire terminals (6) are arranged in the pair of wire terminal holes; plug sleeve holes are reserved at the outer ends of the pair of wire terminal holes, plug connection sleeves (7) are arranged in the plug sleeve holes, and optical fiber data wire terminals (6) are arranged in the plug connection sleeves (7); Three grooves are evenly reserved in the middle of the outer side of the core sealing sleeve (8), and fiber core sleeve airtight rings (10) are respectively arranged in the three grooves. An inner sealing glue injection ring (9) is arranged between the middle of the optical fiber data line terminal (6) at one end of the plug and the cavity of the airtight connector (1); the inner sealing glue injection ring (9) and the three fiber core sleeve airtight rings (10) are arranged as an inner airtight set at the front end of the airtight connector (1).