CN219936144U - Plug-in type optical fiber connector - Google Patents

Abstract

The utility model provides a plug-in type optical fiber connector, which relates to the technical field of optical fiber connectors and comprises a first shell, wherein one end of the first shell is connected with a first fixed ring, a thread groove is formed in the first fixed ring, one end of the first shell is connected with a second shell, one end of the second shell is provided with a first bolt through hole, and the inner surface of the second shell is connected with a sealing ring. According to the utility model, the first fixed ring is connected with one end of the first shell, the thread groove is formed in the first fixed ring, when the optical fiber is connected, the plug is inserted into the socket, the third shell is rotated, the inner thread of the thread groove is connected with the external thread formed on the outer surface of the second fixed ring in a threaded manner, and then the first bolt through hole formed on one end of the second shell is connected with the second bolt through hole formed on one end of the third shell in a threaded manner through the second bolt through hole formed on one end of the third shell, so that the third shell and the second shell are connected through the bolt through threads.

Description

Plug-in type optical fiber connector

Technical Field

The present disclosure relates to optical fiber connectors, and particularly to a plug-in optical fiber connector.

Background

The optical fiber connector is a device for detachable movable connection between optical fibers, and precisely connects two end surfaces of the optical fibers, so that the light energy output by the transmitting optical fiber can be coupled into the receiving optical fiber to the maximum extent, and the influence on a system caused by the intervention of the light energy into an optical link is minimized, which is the basic requirement of the optical fiber connector. To a certain extent, the reliability and various performances of the optical transmission system are affected by the optical fiber connector, and the main purpose of the optical fiber connector is to realize the connection of optical fibers. Optical fiber connectors, which are widely used in optical fiber communication systems, are of a variety and different structures. However, the basic structure of various types of optical fiber connectors is consistent, that is, most optical fiber connectors generally use high-precision components to achieve aligned connection of optical fibers.

In the prior art, for example, the Chinese patent number is: the 'plug-in optical fiber connector structure' of CN218767418U comprises a plug-in optical fiber connector body, wherein the two ends of the plug-in optical fiber connector body are respectively provided with an anti-falling mechanism, when an optical fiber is plugged into the adapting connectors at the two ends of the plug-in optical fiber connector body to be connected, the optical fiber is clamped into semicircular bayonets formed in the inner side walls of symmetrical clamping plates under the elastic force of a compression spring, and a connecting cap is screwed into symmetrical connecting columns, so that the optical fiber is clamped and fixed, and the problem that the optical fiber is loose or falls off from the plug-in optical fiber connector body when the optical fiber is touched by mistake or is caused when the optical fiber is pulled is avoided, so that the optical fiber achieves the anti-falling purpose of the optical fiber after being connected through the plug-in optical fiber connector body, and the normal use of a communication system is ensured.

But the junction between the existing optical fiber connector and the connecting piece is not stable enough, the connection of the optical fiber connector is easy to loose, poor connection is easy to occur, the connection reliability of the optical fiber connector is reduced, and the tightness of the optical fiber connector is poor, so that after the optical fiber is wetted by water, normal communication transmission can be affected, and the loss of the optical fiber is increased.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, connection at a wiring position between an optical fiber connector and a connecting piece is unstable, the connection of the optical fiber connector is easy to loose, poor connection is easy to occur, the connection reliability of the optical fiber connector is reduced, and the tightness of the optical fiber connector is poor, so that normal communication transmission can be influenced after the optical fiber is wetted by water, and the loss of the optical fiber is increased.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a plug-in type fiber connector, includes first casing, the one end of first casing is connected with first fixed ring, the inside of first fixed ring is provided with the screw groove, the one end of first casing is connected with the second casing, first bolt through-hole has been seted up to the one end of second casing, the internal surface of second casing is connected with the sealing washer.

Preferably, a bolt is connected to the first bolt through hole through an internal thread, and a third casing is connected to the bolt through thread.

Preferably, a second bolt through hole is formed in one end of the third shell, and a bolt is connected to the inner thread of the second bolt through hole.

Preferably, one end of the third shell is connected with a second fixed ring, and an external thread is arranged on the outer surface of the second fixed ring.

Preferably, a socket is provided at one end of the third housing, and a plug is connected to the socket.

Preferably, one end of the first shell is connected with an optical fiber wire in a penetrating mode, and the inner threads of the thread grooves are connected with external threads arranged on the outer surface of the second fixed ring.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the optical fiber connector, the first fixed ring is connected with one end of the first shell, the threaded groove is formed in the first fixed ring, when the optical fiber is connected, the plug is inserted into the socket, the third shell is rotated, the inner threads of the threaded groove are connected with the external threads formed on the outer surface of the second fixed ring, then the bolts penetrate through the second bolt through holes formed in one end of the third shell and are connected with the first bolt through holes formed in one end of the second shell in a threaded mode, the third shell is connected with the second shell in a threaded mode through the bolts, and therefore the fact that looseness is easy to occur in connection of the optical fiber connector is avoided, and poor connection is easy to occur.

2. According to the utility model, the sealing ring connected inside the second shell body ensures that the optical fiber cannot influence normal communication transmission after the optical fiber is wetted by water due to a gap at the connecting part, so that the loss of the optical fiber is increased.

Drawings

Fig. 1 is a schematic perspective view of a plug-in optical fiber connector according to the present utility model;

fig. 2 is a schematic structural diagram of a plug-in optical fiber connector according to the present utility model;

FIG. 3 is a schematic view illustrating a portion of a plug-in optical fiber connector according to the present utility model;

fig. 4 is a schematic diagram showing a partial enlarged structure of a portion a of a plug-in type optical fiber connector according to the present utility model.

Legend description: 1. a first housing; 2. an optical fiber wire; 3. a second housing; 4. a third housing; 5. a first bolt through hole; 6. a second bolt through hole; 7. a bolt; 8. a seal ring; 9. a first fixed ring; 10. an external thread; 11. a socket; 12. a second fixed ring; 13. a thread groove; 14. a plug.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

As shown in fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a plug-in type fiber connector, including first casing 1, the one end of first casing 1 is connected with first fixed ring 9, the inside of first fixed ring 9 is provided with thread groove 13, the one end of first casing 1 is connected with second casing 3, the internal surface of second casing 3 is connected with sealing washer 8, the one end through connection of first casing 1 has fiber optic line 2, the external screw thread 10 that the external surface of thread groove 13's internal thread connection second fixed ring 12 set up, socket 11 has been seted up to the one end of third casing 4, the internal connection of socket 11 has plug 14.

In this embodiment, one end of the first housing 1 is connected with a first fixed ring 9, the first fixed ring 9 is fixedly connected with the first housing 1, a thread groove 13 is provided in the first fixed ring 9, an external thread 10 provided on the external surface of the second fixed ring 12 is connected in the thread groove 13, the external thread 10 provided on the external surface of the second fixed ring 12 is connected in the thread groove 13 in the first fixed ring 9, the first fixed ring 9 is connected with the second fixed ring 12 in a threaded manner, one end of the first housing 1 is connected with the second housing 3, the second housing 3 protects the connection part, a sealing ring 8 is connected on the internal surface of the second housing 3, the sealing ring 8 prevents the optical fiber from being affected by the water in the connection part, normal communication transmission is affected, the optical fiber loss is increased, one end of the first housing 1 is connected with an optical fiber wire 2 in a penetrating manner, the optical fiber wire 2 penetrates through the first housing 1 and is connected with a plug 14, one end of the third housing 4 is provided with a socket 11, the internal connection 14 of the socket 11 is connected with the plug 14, and the optical fiber 11 is connected with the internal plug 11 in a penetrating manner through the socket 11.

Example 2

As shown in fig. 1 to 4, a first bolt through hole 5 is formed in one end of the second casing 3, a bolt 7 is connected to the internal thread of the first bolt through hole 5, a third casing 4 is connected to the bolt 7 in a threaded manner, a second bolt through hole 6 is formed in one end of the third casing 4, the bolt 7 is connected to the internal thread of the second bolt through hole 6, a second fixing ring 12 is connected to one end of the third casing 4, and an external thread 10 is arranged on the external surface of the second fixing ring 12.

In this embodiment, first bolt through hole 5 has been seted up to the one end of second casing 3, second bolt through hole 6 has been seted up to the one end of third casing 4, first bolt through hole 5 and second bolt through hole 6 respectively have four groups, respectively by four groups of bolt 7 threaded connection, the inside threaded connection of first bolt through hole 5 has bolt 7, bolt 7 threaded connection has third casing 4, the inside threaded connection of second bolt through hole 6 has bolt 7, first bolt through hole 5 that second bolt through hole 6 threaded connection second casing 3 one end was seted up that runs through third casing 4 one end through bolt 7, make between third casing 4 and the second casing 3 by bolt 7 threaded connection, thereby avoid the easy loose condition that appears of optical fiber connector's connection, the condition of poor connection takes place easily, the one end of third casing 4 is connected with second fixed ring 12, the external surface of second fixed ring 12 is provided with external screw thread 10, be fixed connection between third casing 4 and the second fixed ring 12, threaded connection between external screw thread 10 and the thread groove 13, make between first fixed ring 9 and the first fixed ring 12 form wholly between the ring.

The working principle of the embodiment is as follows: when the optical fiber connector is used, firstly, when the optical fiber needs to be connected, the plug 14 is inserted into the socket 11 to enable the optical fiber to be connected, meanwhile, the third shell 4 is rotated, the thread groove 13 in the first fixed ring 9 is in threaded connection with the external thread 10 arranged on the outer surface of the second fixed ring 12, the first fixed ring 9 is in threaded connection with the second fixed ring 12, an integral body is formed between the first fixed ring 9 and the second fixed ring 12, then the first bolt through hole 5 formed in one end of the second shell 3 is in threaded connection with the second bolt through hole 6 formed in one end of the third shell 4 through the bolt 7, the third shell 4 is in threaded connection with the second shell 3 through the bolt 7, and therefore the situation that loose connection of the optical fiber connector is easy to occur is avoided, and poor connection is easy to occur.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. A plug-in optical fiber connector comprising a first housing (1), characterized in that: one end of first casing (1) is connected with first fixed ring (9), the inside of first fixed ring (9) is provided with thread groove (13), the one end of first casing (1) is connected with second casing (3), first bolt through-hole (5) have been seted up to the one end of second casing (3), the internal surface of second casing (3) is connected with sealing washer (8).

2. A plug-in optical fiber connector according to claim 1, wherein: the inside threaded connection of first bolt through-hole (5) has bolt (7), bolt (7) threaded connection has third casing (4).

3. A plug-in optical fiber connector according to claim 2, wherein: one end of the third shell (4) is provided with a second bolt through hole (6), and the inside of the second bolt through hole (6) is connected with a bolt (7) in a threaded mode.

4. A plug-in optical fiber connector according to claim 3, wherein: one end of the third shell (4) is connected with a second fixed ring (12), and an external thread (10) is arranged on the outer surface of the second fixed ring (12).

5. A plug-in optical fiber connector according to claim 4, wherein: one end of the third shell (4) is provided with a socket (11), and the inside of the socket (11) is connected with a plug (14).

6. A plug-in optical fiber connector according to claim 1, wherein: one end of the first shell (1) is connected with an optical fiber wire (2) in a penetrating mode, and the inner threads of the thread grooves (13) are connected with external threads (10) arranged on the outer surface of the second fixed ring (12) in a threaded mode.