CN104516061B - Optical fiber plug module and use the integrated plug of this Optical fiber plug module - Google Patents

Abstract

The present invention relates to an optical fiber plug module and an integrated plug using the optical fiber plug module. The optical fiber plug module includes a plug module housing whose front end is a plug-in end. The plug module housing is provided with at least two installation holes for insulators extending along the front and rear directions. Each insulator The mounting holes are all provided with plug insulators through the insulator fixing structure. The plug insulators are provided with shell mounting holes extending along the front and rear directions for the corresponding connector housing to be loaded from back to front. In the housing fixing structure of the connector housing, the front end of the insulator mounting hole protrudes from the plug insulator to form a plug insertion end for matching the socket end of the socket insulator on the corresponding optical fiber socket module. The invention solves the problem of limited signal transmission capability of a single optical fiber connector in the prior art.

Description

Optical fiber plug module and integrated plug using the optical fiber plug module

technical field

The invention relates to an optical fiber plug module and an integrated plug using the optical fiber plug module.

Background technique

Existing optical fiber connectors, such as MPT optical fiber connectors, include a connector housing, and the cavity of the connector housing is equipped with a plurality of ceramic sleeve-type optical contacts. Generally, no more than 40 optical contacts can be installed in one cavity. Ceramic bushings, that is to say, each optical fiber connector can realize the transmission of up to 40 optical signals. With the advancement of technology and the development of integration, the transmission of 40 optical signals is far from meeting the needs of daily production and life.

Contents of the invention

The object of the present invention is to provide an optical fiber plug module to solve the problem of limited signal transmission capability of a single optical fiber connector in the prior art; the object of the present invention is also to provide an integrated plug using the optical fiber plug module.

In order to solve the above problems, the technical solution of the optical fiber plug module in the present invention is:

The optical fiber plug module includes a plug module housing with a plug-in end at the front end. At least two insulator installation holes extending along the front and rear directions are arranged in the plug module housing. Plug insulators are arranged in each insulator installation hole through an insulator fixing structure. The plug insulator There is a housing installation hole extending along the front and back direction for the corresponding connector housing to be loaded from back to front. The plug insulator is provided with a housing fixing structure for fixing the connector housing. The front end of the insulator installation hole Protruding from the plug insulator to form a plug receptacle for mating with the receptacle receptacle end of the receptacle insulator on the corresponding fiber optic receptacle module.

The outer periphery of the plug insulator is provided with an insulator step facing forward, and the insulator fixing structure includes an installation step arranged on the hole wall of the insulator installation hole to stop and cooperate with the insulator step to limit the forward movement limit of the plug insulator, and the insulator is fixed. The structure also includes a plug pressing plate fixed on the rear end of the plug module housing and cooperating with the rear end of each plug insulator to limit the backward movement limit of each plug insulator. through the platen vias.

There is a movable gap between the plug pressing plate and the rear end of each plug insulator.

The housing fixing structure includes left and right claws, the front ends of the left and right claws are integrally formed with the plug insulator, and the rear ends of the left and right claws elastically overhang toward the center line of the housing mounting hole.

Guide pin holes extending along the front and rear directions are arranged on the plug module housing.

The technical scheme of the integrated plug in the present invention is:

The integrated plug includes an integrated plug housing, and an optical fiber plug module is arranged on the integrated plug housing. Each insulator mounting hole is provided with a plug insulator through the insulator fixing structure, and the plug insulator is provided with a shell mounting hole extending along the front and rear direction for the corresponding connector shell to be loaded from back to front. The plug insulator is provided with a useful In the housing fixing structure for fixing the connector housing, the front end of the insulator mounting hole protrudes from the insulator to form a plug insertion end for matching the socket insertion end of the socket insulator on the corresponding optical fiber socket module .

The outer periphery of the plug insulator is provided with an insulator step facing forward, and the insulator fixing structure includes an installation step arranged on the hole wall of the insulator installation hole to stop and cooperate with the insulator step to limit the forward movement limit of the plug insulator, and the insulator is fixed. The structure also includes a plug pressing plate fixed on the rear end of the plug module housing and cooperating with the rear end of each plug insulator to limit the backward movement limit of each plug insulator. through the platen vias.

There is a movable gap between the plug pressing plate and the rear end of each plug insulator.

The housing fixing structure includes left and right claws, the front ends of the left and right claws are integrally formed with the plug insulator, and the rear ends of the left and right claws elastically overhang toward the center line of the housing mounting hole.

The plug module housing is provided with guide pin holes extending along the front and rear directions, and the front end of the integrated plug housing is provided with a socket for guiding mating with the corresponding integrated socket on the periphery of the optical fiber plug module.

The beneficial effects of the present invention are: the optical fiber plug module in the present invention has at least two insulator installation holes, each insulator installation hole is provided with a plug insulator, and when in use, the connection housings of at least two optical fiber connectors are connected from the rear The front one is loaded into the housing mounting hole of the plug insulator, and the mating of each optical fiber connector and the matching optical fiber connector is realized by mating the mating end of the plug and the mating end of the socket to realize the transmission of optical signals. The plug module can be provided with at least two optical fiber connectors, which greatly improves the signal transmission capability compared with the existing single optical fiber connector.

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of an integrated plug in the present invention;

Fig. 2 is a schematic structural view of the optical fiber plug module in Fig. 1;

Fig. 3 is the top view of Fig. 2;

Fig. 4 is the C-C direction sectional view of Fig. 2;

Fig. 5 is a schematic structural view of the plug insulator in Fig. 2;

Fig. 6 is the right view of Fig. 5;

Figure 7 is the left side view of Figure 5

Fig. 8 is the A-A direction sectional view of Fig. 5;

Fig. 9 is a perspective view of Fig. 5;

Fig. 10 is a schematic structural diagram of an integrated socket adapted to Fig. 1;

Fig. 11 is a schematic structural view of the optical fiber socket module in Fig. 10;

Figure 12 is a top view of Figure 11;

Fig. 13 is a B-B direction sectional view of Fig. 11;

FIG. 14 is a perspective view of FIG. 11 .

detailed description

The embodiment of the integrated plug is shown in Figures 1 to 9: it includes an integrated plug housing 4, and an optical fiber plug module 2 is arranged on the integrated plug housing. There are six insulator installation holes extending in the front and rear directions, each insulator installation hole is provided with a plug insulator 5 through an insulator fixing structure, the outer periphery of the plug insulator is provided with an insulator step 10 facing forward, and the insulator fixing structure includes an insulator installed in the insulator installation hole The mounting step on the hole wall of the hole wall cooperates with the step of the insulator to limit the forward movement limit of the plug insulator. The plug pressure plate 12 that the insulator moves backwards is limited, and the plug pressure plate is fixed on the rear end of the plug module housing through the plug screw 30. There is a movable gap between the plug pressure plate 12 and the rear end of each plug insulator 5, and the plug insulator 5 is provided with a The housing installation holes extending in the direction for the corresponding connector housing to be loaded from the back to the front, the plug press plate is provided with a pressure plate through hole corresponding to the housing installation hole one by one, and the pressure plate through hole is used for the connection of the optical fiber connector 1 The device housing passes from back to front. The plug insulator is provided with a housing fixing structure for fixing the connector housing. The housing fixing structure includes a left claw 8 and a right claw 7. The front ends of the left and right claws are integrally formed with the plug insulator, and the left and right claws The front and back of the plug elastically overhang toward the center line of the housing mounting hole, and the plug insulator is also provided with an error-proofing groove 6 extending along the front and rear directions. The front end of the insulator mounting hole protrudes from the insulator to form a plug insertion end 9 for mating with the socket insertion end of the socket insulator on the optical fiber socket module. The plug module housing is provided with guide pin holes extending along the front and rear directions, and the front end of the integrated plug housing is provided with a socket 3 for guiding and mating with the corresponding integrated socket on the periphery of the optical fiber plug module.

The structure of the integrated socket adapted to the above-mentioned integrated plug is shown in Figures 10-14: the integrated socket includes an integrated socket housing 15, and the integrated socket housing 15 is provided with a fiber optic socket module 14, and the fiber optic socket module includes a socket module housing, The socket module shell is provided with a guide pin 19 which is guided and inserted into the guide pin hole, and the socket module shell is provided with a socket insulator 17 corresponding to the plug insulator one by one. Shell installation, the fixing method and structure of the socket insulator are the same as the structure of the above-mentioned plug insulator, the front end of the socket insulator protrudes from the socket module shell to form the socket plug end 20, and the integrated socket shell is arranged on the periphery of the optical fiber socket module There is a socket 13 that cooperates with the socket guide. Item 18 in the figure represents the error-proofing groove provided on the socket insulator; Item 21 represents the socket pressure plate; Item 22 represents the socket screw; Item 23 and Item 24 represent the left and right claws of the socket insulator.

When in use, install each plug insulator into the insulator mounting hole on the plug module shell from back to front, and the installation step is matched with the insulator step on the plug insulator to limit the forward movement limit of the plug insulator, and then pass The plug screw fixes the plug pressure plate to the rear end of the plug module housing, the plug pressure plate can limit the backward movement limit of each plug insulator, so as to realize the installation of the plug insulator; then install each optical fiber connector from back to front into the corresponding In the installation hole of the housing, the anti-misfitting groove on the plug insulator can prevent the optical fiber connector from being misinstalled. After the optical fiber connector is installed in place, the left and right claws clamp the slot on the connector housing of the optical fiber connector. The installation of the optical fiber connector is completed; when the integrated plug and the integrated socket are plugged together, the jack and the socket are first guided for insertion, and then the guide pin and the guide pin hole are guided for insertion, and then the plug end of the optical fiber plug module and the optical fiber module of the socket The plug-in end of the socket is plugged, and finally the optical fiber connector and the matching optical fiber connector on the integrated socket begin to be mated and plugged. Through the 4-level guiding mechanism, the guidance is gradually accurate, ensuring the reliable insertion of the integrated plug and integrated socket. The plug insulator There is a certain amount of activity in the front and rear directions. This design can ensure that after the integrated plug and integrated socket are docked, even if the centerlines (central planes) of the hole shafts do not coincide, the connector docking can also ensure good performance, and in strong vibration environments In, can guarantee the stable performance of the connector.

In other embodiments of the integrated plug: the housing fixing structure may not be the left and right claw structures. For example, the housing fixing structure includes a housing installation step arranged on the wall of the housing installation hole, and the housing installation step The stopper fits with the connector housing to limit the movement of the connector housing forward. At this time, the housing fixing structure also includes a stopper fixed to the rear end of the plug insulator and a stopper fit with the rear end of the connector housing to limit the rearward movement of the connector housing. The baffle with the limit of movement, if the optical fiber connector is a circular connector, the baffle can also be replaced by a circlip, at this time the housing installation steps can also be replaced by a circlip; the movable gap between the plug pressure plate and each plug insulator is also It can be omitted; when the plug insulator has a circular structure, the installation steps and the plug pressure plate can also be replaced by a spring; the insulator fixing structure can also be a screw fixing structure, and at this time screw holes need to be set on the plug module shell, and the plug Threaded holes are provided on the insulator, and locking screws are inserted in the screw holes and the threaded holes to fix the plug insulator on the plug module shell.

Embodiments of the optical fiber plug module are shown in Figures 1-9: the specific structure of the optical fiber plug module is the same as that shown in the above-mentioned embodiments of the integrated plug, and will not be described in detail here.

Claims (10)

1. The optical fiber plug module is characterized in that: it includes a plug module housing with the front end as a plug-in end, and at least two insulator mounting holes extending along the front and rear directions are arranged in the plug module housing, and each insulator mounting hole is set by an insulator fixing structure There is a plug insulator, and the plug insulator is provided with a housing installation hole extending along the front and back direction for the corresponding connector housing to be loaded from back to front, and the plug insulator is provided with a housing fixing structure for fixing the connector housing , the front end of the insulator mounting hole protrudes from the plug insulator to form a plug insertion end for matching the socket insertion end of the socket insulator on the corresponding optical fiber socket module. 2. The optical fiber plug module according to claim 1, characterized in that: the outer periphery of the plug insulator is provided with an insulator step facing forward, and the insulator fixing structure includes an insulator step arranged on the hole wall of the insulator installation hole. Block fit to limit the installation step of the plug insulator to the limit of forward movement, the insulator fixing structure also includes a plug pressure plate fixed on the rear end of the plug module housing and fitted with the rear end of each plug insulator to limit the limit of each plug insulator to move backward , the plug press plate is provided with a press plate through hole for the connector housing to pass from back to front. 3. The optical fiber plug module according to claim 2, characterized in that there is a movable gap between the plug pressing plate and the rear end of each plug insulator. 4. The optical fiber plug module according to claim 1, characterized in that: the housing fixing structure includes left and right claws, the front ends of the left and right claws are integrally formed with the plug insulator, and the rear ends of the left and right claws The end elastically overhangs toward the centerline of the housing mounting hole. 5. The optical fiber plug module according to any one of claims 1-4, characterized in that: the housing of the plug module is provided with guide pin holes extending along the front and rear directions. 6. An integrated plug, including an integrated plug housing, is characterized in that: an optical fiber plug module is arranged on the integrated plug housing, and the optical fiber plug module includes a plug module housing whose front end is a plug-in end, and at least two edge The insulator mounting holes extending in the front and rear direction, each insulator mounting hole is provided with a plug insulator through the insulator fixing structure, and the plug insulator is provided with a shell mounting hole extending in the front and rear direction for the corresponding connector shell to be loaded from back to front The plug insulator is provided with a housing fixing structure for fixing the connector housing, and the front end of the insulator mounting hole protrudes from the insulator to form an anastomosing socket insertion end for the socket insulator on the corresponding optical fiber socket module. Matching plug connector. 7. The integrated plug according to claim 6, characterized in that: the outer periphery of the plug insulator is provided with an insulator step facing forward, and the insulator fixing structure includes a stopper arranged on the wall of the insulator installation hole and the insulator step The insulator fixing structure also includes a plug pressing plate fixed on the rear end of the plug module housing and fitted with the rear end of each plug insulator to limit the backward movement limit of each plug insulator. The plug pressing plate is provided with a pressing plate through hole for the connector housing to pass from back to front. 8. The integrated plug according to claim 7, characterized in that there is a movable gap between the plug pressing plate and the rear end of each plug insulator. 9. The integrated plug according to claim 6, characterized in that: the housing fixing structure includes left and right claws, the front ends of the left and right claws are integrally formed with the plug insulator, and the rear ends of the left and right claws Elastically overhanging toward the centerline of the housing mounting hole. 10. The integrated plug according to any one of claims 6-9, characterized in that: the housing of the plug module is provided with guide pin holes extending along the front and rear directions, and the front end of the housing of the integrated plug is arranged on the periphery of the optical fiber plug module There are sockets for mating with corresponding integrated socket guides.