CN201413412Y - Electromagnetic shielding optical fiber connector and its plug and socket - Google Patents

Abstract

The utility model relates to an electromagnetic shielding optical fiber connector, which comprises a plug and a socket. The socket includes a conductive socket housing, and the plug-in end of the socket housing is provided with a plug-in cavity for plugging in; the plug includes a conductive socket housing. The plug housing, the mating end of the plug housing is used for mating in the plug-in cavity; the plug-in end face of the plug shell and the bottom of the plug-in cavity of the socket housing are respectively provided with mating holes for mutual plugging and mating in the plug-in cavity when plugging in. The ring platform and the ring groove are electrically connected when the ring platform and the ring groove are plugged and matched with each other. In the electromagnetic shielding shielded optical fiber connector of the above scheme, the insertion end face of the plug housing and the bottom of the insertion cavity of the socket housing are respectively provided with a ring platform and a ring groove that are conductively mated with each other in the insertion cavity when plugged. , the mating cavity forms a closed equipotential closed cavity, the external electromagnetic interference signal cannot be transmitted into the closed cavity, and the signal in the closed cavity cannot radiate out to interfere with the outside world, realizing a good electromagnetic shielding function .

Description

Electromagnetic shielding optical fiber connector and its plug and socket

technical field

The utility model relates to an optical fiber connector, in particular to an electromagnetic shielding optical fiber connector, and also relates to a plug and a socket used for the optical fiber connector.

Background technique

With the development of optoelectronic technology, the integrated application of optoelectronics is becoming more and more common. With the in-depth application of optoelectronic integration, corresponding problems have also arisen. In optoelectronic integrated circuits, especially highly integrated optoelectronic circuits, the electromagnetic environment of the circuit is relatively harsh, and each line is in an environment of electromagnetic interference. Compared with the relatively mature electrical connection devices for electromagnetic shielding applications, most of the current fiber optic connectors do not have electromagnetic shielding function or the electromagnetic shielding function is not ideal, causing the external electromagnetic interference signal to radiate from the connection of the fiber optic connector to the inside of the system. The normal work of the system produces interference or the interference signal generated inside the system radiates from the connection of the fiber optic connector to the outside of the system and affects the normal operation of the external system.

Utility model content

The purpose of this utility model is to provide an electromagnetic shielding optical fiber connector, and at the same time provide a plug and a socket for the optical fiber connector to solve the problem that the existing optical fiber connector does not have the electromagnetic shielding function or the electromagnetic shielding function is not ideal, resulting in The external electromagnetic interference signal radiates from the connection of the fiber optic connector to the inside of the system or the interference signal generated in the system radiates to the outside of the system.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electromagnetic shielding optical fiber connector, including a plug and a socket, the socket includes a conductive socket shell, and the plug-in end of the socket shell is provided with a plug-in end A plugging cavity for mating; the plug includes a conductive plug housing, and the mating end of the plug housing is used for mating in the plugging cavity; the plugging end surface of the plug housing and the bottom of the socket housing insertion cavity are respectively provided with When plugging in, the ring platform and the ring groove are plugged and matched with each other in the socket cavity, and the ring platform and the ring groove are electrically connected when they are plugged and matched with each other.

The ring platform is arranged on the mating front end of the plug housing, and the ring groove is arranged on the bottom surface of the insertion cavity.

The ring platform is arranged on the bottom surface of the socket cavity, and the ring groove is arranged on the mating front surface of the plug housing.

A conductive sealing ring is arranged in the ring groove.

An arc-shaped electrical connection reed is provided on the outer peripheral surface of the plug housing corresponding to the mating cavity.

An electromagnetic shielding optical fiber connector socket, the socket includes a conductive socket housing, the plug-in end of the socket housing is provided with a plug-in cavity for mating the plug-in end, and the bottom of the plug-in cavity is provided with a ring platform or a groove.

An electromagnetic shielding optical fiber connector plug, the plug includes a conductive plug housing, the insertion end surface of the plug housing is provided with a groove or a groove that is electrically conductively matched with a ring platform or a groove at the bottom of the insertion cavity of the plug housing. Ring Taiwan.

An electrical connection reed with an arched cross-section is provided on the outer peripheral surface of the plug housing corresponding to the mating chamber of the correspondingly mated socket housing.

In the electromagnetic shielding shielded optical fiber connector of the above scheme, the insertion end face of the plug housing and the bottom of the insertion cavity of the socket housing are respectively provided with a ring platform and a ring groove that are mated with each other in the insertion cavity when plugging. After being plugged into the socket, the ring platform is also inserted into the ring groove, and the ring platform and the ring groove are electrically connected. At this time, the mating cavity forms a closed equipotential closed cavity, and the external electromagnetic interference signal cannot be transmitted into the closed cavity, and the signal in the closed cavity cannot radiate out to interfere with the outside world, realizing a good electromagnetic shielding function. In addition, a conductive sealing ring is provided in the ring groove, so that the requirement of sealing is realized when the ring platform and the ring groove are electrically connected. In addition, on the outside of the plug housing, an electrical connection reed with an arched cross-section is provided at the position opposite to the insertion cavity, so that the plug housing and the socket housing can better achieve electrical conduction and connection, ensuring electromagnetic shielding reliability.

Description of drawings

Fig. 1 is a schematic structural view of the electromagnetic shielding optical fiber connector plug of the present invention;

Fig. 2 is a structural schematic diagram of the electromagnetic shielding optical fiber connector socket of the present invention.

Detailed ways

As shown in Figure 1, the plug of the electromagnetic shielding optical fiber connector of the present invention includes a conductive plug housing 1, a plug optical fiber contact 10 is installed in the plug housing 1, and a fixed device is fixed on the front end surface of the plug housing 1. There is a ring platform 2, of course it can also be a ring groove. The middle section of the outer side of the plug housing 1 is axially positioned through a positioning groove and an electrical connection reed 4 with an arched cross section is installed. The tail end of the plug housing 1 passes through the A locating boss is axially positioned and pressurized with a connecting nut 3 .

As shown in Figure 2, the socket of the electromagnetic shielding optical fiber connector of the present invention includes a conductive socket housing 5, a socket optical fiber contact 8 is installed in the socket housing 5, and a plug-in end of the socket housing 5 is provided with a The socket cavity 9 for plug mating, the bottom surface of the socket cavity 9 is provided with a ring groove 7 corresponding to the ring platform on the plug, and a conductive sealing ring 6 is installed in the ring groove 7. Of course, a ring ring can also be used here. Taiwan replaces this annular groove 7.

As shown in Fig. 1 and Fig. 2, the electromagnetic shielding optical fiber connector of the present invention includes a plug and a socket. Wherein, the plug includes a conductive plug housing 1, the plug optical fiber contact 10 is installed in the plug housing 1, and a ring platform 2 is fixedly provided on the plugging front end of the plug housing 1, which can also be a ring groove, of course, the plug The middle section of the outer side of the housing 1 is axially positioned through a positioning groove and installed with an electrical connection reed 4 with an arched cross section. cap3. Wherein, the socket includes a conductive socket housing 5, and a socket optical fiber contact 8 is installed in the socket housing 5. The plug-in end of the socket housing 5 is provided with a plug-in cavity 9 for plug mating, and the bottom surface of the plug-in cavity 9 is open. There is a ring groove 7 corresponding to the ring platform on the plug, and a conductive sealing ring 6 is installed in the ring groove 7. Of course, the ring groove 7 can also be replaced by a ring platform here.

Claims (8)

1. An electromagnetic shielding optical fiber connector, comprising a plug and a socket, characterized in that: the socket includes a conductive socket housing, and the plug-in end of the socket housing is provided with a plug-in chamber for mating the plug-in end; The plug includes a conductive plug housing, and the mating end of the plug housing is used for mating in the insertion cavity; the insertion end surface of the plug housing and the bottom of the insertion cavity of the socket housing are respectively provided with The ring platform and the ring groove are plugged and matched with each other, and the ring platform and the ring groove are electrically connected when they are plugged and matched with each other. 2 . The electromagnetic shielding optical fiber connector according to claim 1 , wherein the ring platform is arranged on the mating front end of the plug housing, and the ring groove is arranged on the bottom surface of the insertion cavity. 3 . 3 . The electromagnetic shielding optical fiber connector according to claim 1 , wherein the ring platform is arranged on the bottom surface of the insertion cavity, and the ring groove is arranged on the mating front surface of the plug housing. 4 . 4. The electromagnetic shielding optical fiber connector according to claim 1, wherein a conductive sealing ring is arranged in the ring groove. 5. The electromagnetic shielding optical fiber connector according to claim 1, 2, 3 or 4, characterized in that: the outer peripheral surface of the plug housing corresponding to the mating cavity is provided with an electrical connection with an arched section reed. 6. An electromagnetic shielding optical fiber connector socket, characterized in that: the socket includes a conductive socket housing, the plug-in end of the socket housing is provided with a plug-in cavity for mating the plug-in end, and the bottom of the plug-in cavity is provided with ring land or groove. 7. An electromagnetic shielding optical fiber connector plug, characterized in that: the plug includes a conductive plug housing, and the insertion end surface of the plug housing is provided with a ring platform or a groove at the bottom of the insertion cavity of the plug housing to be inserted into each other Groove or land for conductive fit. 8. The electromagnetic shielding optical fiber connector plug according to claim 7, characterized in that: the outer peripheral surface of the plug housing corresponding to the mating cavity of the correspondingly mated socket housing is provided with an electrical socket with an arched cross section. Connect the reed.

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