CN113917626A

CN113917626A - Photoelectric mixed connector and photoelectric adapter

Info

Publication number: CN113917626A
Application number: CN202111045376.0A
Authority: CN
Inventors: 李智乐; 田兵兵; 吕银雷; 陈刚; 李豪; 石晓强
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: ZTE Corp; China Aviation Optical Electrical Technology Co Ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-01-11
Anticipated expiration: 2041-09-07
Also published as: CN113917626B

Abstract

The invention relates to a photoelectric mixed connector and a photoelectric adapter. The photoelectric mixed connector comprises: a housing; the inner shell is inserted in the shell, an inner shell boss is arranged on the inner shell and used for being clamped with a locking buckle of a corresponding photoelectric adapter; the rear shell is inserted in the outer shell and positioned at the rear part of the inner shell, and the rear shell and the inner shell are fixed together; the inserting core assembly is positioned in the inner shell and is used for being connected with the optical fiber of the cable; the conductive terminals are respectively arranged on two sides of the inner shell or two sides of the rear shell; the front end of the conductive terminal is provided with a front conductive contact part which is used for being in conductive contact with a conductive elastic sheet of a corresponding photoelectric adapter; the rear end of the conductive terminal is provided with a rear conductive contact part which is used for being in conductive connection with a conductor of the cable. The conductive terminals and the bosses of the inner shell are separately arranged, and the bosses of the inner shell are clamped with the locking buckle and then cannot be contacted with the conductive terminals, namely the conductive terminals cannot be pulled out.

Description

Photoelectric mixed connector and photoelectric adapter

Technical Field

The invention relates to a photoelectric mixed connector and a photoelectric adapter.

Background

With the development of 5G mobile communication and next generation fixed networks, optical fibers are widely applied to various scenes, such as from optical fibers to antennas, from optical fibers to cameras, from optical fibers to traffic signals, and the like. Therefore, when the terminal is accessed, an optical cable and an electric cable are often required to be laid at the same time, and the optical fiber connector and the electric connector are respectively used for optical and electric connection transmission at the terminal, so that the operation is complex, a plurality of connectors can repeatedly occupy the equipment space, and the volume of the terminal equipment is too large.

Chinese patent document No. CN111025490A discloses an optical-electrical composite connector, which includes an outer shell, an inner shell, a ferrule assembly and a rear shell, wherein the outer shell is sleeved outside the inner shell, the inner shell is connected with the rear shell in a snap-fit manner, the ferrule assembly is located between the inner shell and the rear shell, and the ferrule assembly is used for applying a backward elastic acting force to the rear shell, that is, the inner shell is subjected to a backward acting force; the inner shell is provided with two bosses, conductive terminals are embedded between the two bosses, and conductors are welded at the rear ends of the conductive terminals; when the photoelectric composite connector is connected with the photoelectric adapter, the conductive buckle of the photoelectric adapter is connected with the conductive terminal in a clamping mode, so that the photoelectric composite connector is fixedly connected with the photoelectric adapter, and meanwhile conduction of electric signals is achieved.

Because the inner shell is subjected to backward acting force, after the conductive buckle is clamped with the conductive terminal, the conductive terminal is subjected to forward pulling force of the conductive buckle, so that the conductive terminal is easily pulled off, and the normal work of the photoelectric composite connector is influenced.

Disclosure of Invention

The invention aims to provide a photoelectric mixed connector, which aims to solve the technical problem that in the prior art, a conductive terminal is embedded between two bosses and is easy to pull off after being subjected to forward pulling force of a conductive buckle; the invention also aims to provide the photoelectric adapter.

The photoelectric mixed connector adopts the following technical scheme:

opto-electric hybrid connector comprising:

a housing;

the inner shell is inserted in the shell, an inner shell boss is arranged on the inner shell and used for being clamped with a locking buckle of a corresponding photoelectric adapter;

the rear shell is inserted in the outer shell and positioned at the rear part of the inner shell, and the rear shell and the inner shell are fixed together;

the inserting core assembly is positioned in the inner shell and is used for being connected with the optical fiber of the cable;

the conductive terminals are respectively arranged on two sides of the inner shell or two sides of the rear shell;

the front end of the conductive terminal is provided with a front conductive contact part which is used for being in conductive contact with a conductive elastic sheet of a corresponding photoelectric adapter; the rear end of the conductive terminal is provided with a rear conductive contact part which is used for being in conductive connection with a conductor of the cable.

The beneficial effects are that: the conductive terminals of the photoelectric mixed connector are arranged separately from the bosses of the inner shell and are positioned behind the bosses of the inner shell, so that the bosses of the inner shell are not contacted with the conductive terminals after being clamped with the locking buckles of the photoelectric adapter, namely the conductive terminals are not pulled off; the front end of the conductive terminal is in conductive contact with the conductive elastic sheet on the photoelectric adapter through the front conductive contact part, and the rear end of the conductive terminal is in conductive connection with the conductor through the rear conductor contact part, so that the transmission requirement of electric signals is met. In addition, the two conductive terminals are positioned at two sides of the rear shell, so that the conductive terminals are uniformly stressed, the size of the conductive terminals is favorably increased, and the contact reliability of the conductive terminals and the conductive elastic sheet of the photoelectric adapter is improved.

As a further improvement, the conductive terminal is injection molded in the inner housing.

The beneficial effects are that: the molding process of the conductive terminal and the inner shell is simplified, and the stability of the conductive terminal is ensured.

As a further improvement, the rear shell is provided with a switching terminal, the front end of the switching terminal is in conductive contact with the rear conductive contact part, and the rear end of the switching terminal is provided with a conductor contact part; fixedly connected with conductor clamp plate on the backshell, the conductor clamp plate is fixed to be pressed the conductor of cable to switching terminal behind the backshell to make conductor and conductor contact portion conductive contact.

The beneficial effects are that: the design is beneficial to the field electrical connection.

As a further improvement, the rear shell is further provided with an elastic sheet, the elastic sheet is located between the conductor pressing plate and the switching terminal, and the conductor pressing plate presses the conductor of the cable to the switching terminal through the elastic sheet.

The beneficial effects are that: by the design, the stability of the conductive contact between the conductor and the conductor contact part can be ensured.

As a further improvement, one of the rear shell and the conductor pressing plate is provided with a clamping hook, the other of the rear shell and the conductor pressing plate is provided with a clamping groove, and the conductor pressing plate is fixed on the rear shell through the matching of the clamping hook and the clamping groove.

The beneficial effects are that: the design is beneficial to installing the conductor pressing plate on the rear shell.

As a further improvement, a cable pressing plate is fixedly arranged at the rear part of the rear shell, and convex ridges are arranged on the inner side of the cable pressing plate.

The beneficial effects are that: after the cable pressing plate is fixed on the rear shell, the sharp convex edge can be inserted into the outer skin of the cable, and the stability of the cable is guaranteed.

As a further improvement, one side of the cable pressing plate is hinged to the rear shell, and the other side of the cable pressing plate is clamped on the rear shell.

The beneficial effects are that: the design is favorable for fixing the cable pressing plate on the rear shell.

As a further improvement, the ferrule assembly comprises an embedded ferrule, a field ferrule, a sleeve and a pressure spring, wherein the embedded ferrule and the field ferrule are inserted into the sleeve, the field ferrule abuts against the rear end of the embedded ferrule, a baffle ring is arranged behind the field ferrule in the inner shell, the pressure spring is sleeved at the rear end of the field ferrule, and the rear end of the pressure spring is pressed against the baffle ring; the embedded optical fiber is arranged in the embedded inserting core, and the field inserting core is used for being connected with the optical fiber of the cable.

The beneficial effects are that: this design facilitates optical connection in the field.

As a further improvement, the bosses of the inner shell are positioned at two sides of the inner shell, and the conductive terminals are positioned behind the bosses of the corresponding inner shell.

The beneficial effects are that: the boss of the inner shell and the conductive terminal are arranged on the same side, so that the connector is more compact.

As a further improvement, the conductive terminal is injection molded in the rear housing.

The beneficial effects are that: the forming process of the conductive terminal and the rear shell is simplified, and the stability of the conductive terminal is ensured.

The photoelectric adapter adopts the following technical scheme:

an optoelectronic adapter comprising:

the shell is provided with two jacks, and the jacks are used for inserting corresponding photoelectric mixed connectors;

the supporting frame is arranged in the shell;

the inserting core inserting hole is arranged on the supporting frame and is used for inserting the inserting core assembly of the corresponding photoelectric mixed connector;

the locking buckles are arranged in two pairs, each pair of locking buckles is arranged on the support frame and corresponds to one socket, and each pair of locking buckles is respectively positioned on two sides of the inserting core inserting hole and is clamped with the boss of the inner shell of the photoelectric mixed connector;

the conductive elastic sheet is fixed on the support frame and positioned on the outer side of the locking buckle at the same side of the inserting core inserting hole, the conductive elastic sheet is provided with adaptive contact parts along the two axial ends of the inserting core inserting hole, and the adaptive contact parts are used for being in conductive contact with the conductive terminals of the photoelectric mixed connector.

The beneficial effects are that: the locking buckle is clamped with the boss of the inner shell of the photoelectric mixed connector, and the conductive elastic sheet is in conductive contact with the conductive terminal of the photoelectric mixed connector, so that the problem that the conductive terminal is separated from the photoelectric mixed connector under stress is solved.

As a further improvement, the supporting frame is provided with an installation bulge, the conductive elastic piece is provided with an installation groove, and the conductive elastic piece is fixed on the supporting frame through the cooperation of the installation bulge and the installation groove.

The beneficial effects are that: design like this, be favorable to installing electrically conductive shell fragment on the support frame steadily.

As a further improvement, the support frame comprises a first frame body and a second frame body, wherein one pair of locking buckles is arranged on the first frame body, and the other pair of locking buckles is arranged on the second frame body; one part of the mounting protrusion is arranged on the first frame body, and the other part of the mounting protrusion is arranged on the second frame body.

The beneficial effects are that: the design is beneficial to processing each pair of locking buckles.

As a further improvement, the conducting elastic sheet is provided with an avoiding groove corresponding to the locking buckle, and the avoiding groove is used for avoiding the corresponding locking buckle.

The beneficial effects are that: design like this, locking buckle takes place to interfere with electrically conductive shell fragment when avoiding the unblock.

As a further improvement, a contact elastic sheet is arranged on the wall of one side of the avoiding groove far away from the supporting frame, and the contact elastic sheet forms the adaptive contact part.

The beneficial effects are that: the design ensures the stability of the conductive contact between the conductive elastic sheet and the conductive terminal.

As a further improvement, the shell comprises a first shell and a second shell, wherein the first shell and the second shell are respectively provided with a socket, and the first shell and the second shell are fixedly connected together through a threaded fastener.

The beneficial effects are that: due to the design, the shell is convenient to process.

As a further improvement, a component mounting opening is formed in the side face of the shell, and a cover plate is fixedly connected to the component mounting opening.

The beneficial effects are that: design like this is favorable to installing parts such as locking buckle, electrically conductive shell fragment in the casing.

As a further improvement, the conductive elastic sheet is provided with a pin, and the pin extends out of the shell.

The beneficial effects are that: the design is favorable for switching the optical signals and the electric signals to the panel.

As a further improvement, the outer side surface of the shell is provided with a barb.

The beneficial effects are that: the design is such that the photoelectric adapter is firmly mounted on the panel.

The above-described preferred embodiments may be adopted alone, or two or more embodiments may be arbitrarily combined when they can be combined, and the embodiments formed by the combination are not specifically described here and are included in the description of the present patent.

Drawings

Fig. 1 is an exploded view of an embodiment 1 of the opto-electric hybrid connector of the present invention;

FIG. 2 is a schematic structural view of the core assembly of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a schematic structural view of the cable retention assembly of FIG. 1;

FIG. 5 is a schematic view of the A-direction structure of FIG. 4;

FIG. 6 is a cross-sectional view of the opto-electric hybrid connector of FIG. 1;

fig. 7 is a schematic structural diagram of embodiment 1 of the optoelectronic adapter of the present invention;

FIG. 8 is an exploded view of FIG. 7;

FIG. 9 is a schematic view of the components within the housing of FIG. 8;

FIG. 10 is a schematic structural diagram of embodiment 2 of the optoelectronic adapter of the present invention;

FIG. 11 is an exploded view of FIG. 10;

fig. 12 is a schematic structural diagram of embodiment 3 of the optoelectronic adapter of the present invention;

in fig. 1 to 11: 11. a housing; 12. an inner core assembly; 13. a cable fixing assembly; 14. an inner shell; 15. a leading electrical contact; 16. a rear conductive contact; 17. a boss of the inner shell; 18. a first hook; 19. a first sleeve; 20. a conductive terminal; 21. a pressure spring; 22. a baffle ring; 23. pre-burying an optical fiber; 24. embedding a core insert; 25. inserting a core on site; 26. a cable; 27. a rotating shaft; 28. convex edges; 29. a cable platen; 30. a second card slot; 31. a conductor press plate; 32. a third card slot; 33. a rear housing; 34. a first card slot; 35. a field optical fiber; 36. a third hook; 37. a transfer terminal; 38. a conductor; 39. a spring plate; 40. a second hook; 41. a first housing; 42. a second housing; 43. a socket; 44. locking the buckle; 45. a conductive spring plate; 46. mounting a boss; 47. inserting the core into the hole; 48. mounting grooves; 49. an avoidance groove; 50. a contact spring; 51. a first protrusion; 52. a second protrusion; 53. a second sleeve; 54. a first frame body; 55. a second frame body; 56. a barb; 57. a pin;

in fig. 12: 61. a housing; 62. a component mounting port; 63. a conductive spring plate; 64. locking the buckle; 65. and (7) a cover plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, which may be present in the embodiments of the present invention, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the statement that "comprises an … …" is intended to indicate that there are additional elements of the same process, method, article, or apparatus that comprise the element.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.

In the description of the present invention, unless otherwise specifically stated or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be detachable or non-detachable. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.

The present invention will be described in further detail with reference to examples.

Example 1 of the opto-electric hybrid connector of the present invention:

as shown in fig. 1 and 6, the optical electrical hybrid connector includes an outer shell 11, an inner core assembly 12, and a cable fixing assembly 13, wherein the inner core assembly 12 and the cable fixing assembly 13 are inserted into the outer shell 11 after being fixedly connected. Wherein the inner core component 12 is arranged in front of the cable fixing component 13. The cable 26 in this embodiment is a photoelectric composite cable.

As shown in fig. 2, 3 and 7, the inner core assembly includes an inner shell 14 and a ferrule assembly, wherein inner shell bosses 17 are provided on two sides of the inner shell 14, and the inner shell bosses 17 are used for being clamped with locking buckles 44 of the optoelectronic adapter. Wherein the ferrule assembly is mounted within the inner housing 14.

In the embodiment, the ferrule assembly comprises an embedded ferrule 24, a field ferrule 25, a first sleeve 19 and a pressure spring 21, wherein the embedded ferrule 24 and the field ferrule 25 are inserted into the first sleeve 19, and the field ferrule 25 abuts against the rear end of the embedded ferrule 24; a retaining ring 22 is arranged in the inner shell 14 behind the field core insert 25, the compression spring 21 is sleeved at the rear end of the field core insert 25, and the rear end of the compression spring 21 is pressed against the retaining ring 22 so as to apply forward elastic acting force to the field core insert 25, the embedded core insert 24 and the first sleeve 19. The embedded optical fiber 23 is arranged in the embedded ferrule 24, and the field ferrule 25 is used for being connected with the field optical fiber 35 to realize field wiring.

As shown in fig. 2 and 3, two conductive terminals 20 are injection molded in the inner housing 14, the two conductive terminals 20 are respectively disposed on two sides of the inner housing 14, and the conductive terminals 20 are located behind the corresponding inner housing bosses 17.

In this embodiment, the front end of the conductive terminal 20 is provided with a front conductive contact part 15, and the front conductive contact part 15 is used for electrically contacting with a conductive elastic sheet 45 of the photoelectric adapter; the rear end of the conductive terminal 20 has a rear conductive contact 16 for electrically conductive connection with the conductor 38 of the cable 26. Wherein a boss is provided on inner shell 14 and leading electrical contact 15 is located on the boss.

As shown in fig. 4 and 5, the cable fixing assembly includes a rear shell 33, a first locking groove 34 is disposed at a front end of the rear shell 33, a first locking hook 18 is disposed at a rear end of the inner shell 14, and the rear shell 33 and the inner shell 14 are fixed together by the first locking hook 18 and the first locking groove 34.

In this embodiment, the rear housing 33 is provided with two switching terminals 37, and the two switching terminals 37 are in one-to-one correspondence with the conductive terminals 20; the front end of the switching terminal 37 is in conductive contact with the rear conductive contact part 16, the rear end of the switching terminal 37 is provided with a conductor contact part, the shell 33 is fixedly provided with a conductor pressing plate 31 above the conductor contact part, an elastic sheet 39 is arranged between the conductor pressing plate 31 and the conductor contact part, the conductor pressing plate 31 is fixed on the rear shell 33 and then presses down the elastic sheet 39, so that the elastic sheet 39 presses the conductor 38 of the cable 26 to the switching terminal 37, the conductor 38 is in conductive contact with the conductor contact part, and on-site wire making is realized.

In this embodiment, the rear case 33 is provided with a third hook 36, the conductor pressing plate 31 is provided with a third slot 32, and the conductor pressing plate 31 is fixed on the rear case 33 through the third hook 36 and the third slot 32.

In this embodiment, the cable pressing plate 29 is fixedly disposed at the rear portion of the rear case 33, the protruding edge 28 is disposed on the inner side of the cable pressing plate 29, and after the cable pressing plate 29 is fixed on the rear case 33, the sharp protruding edge 28 is inserted into the outer skin of the cable 26 to fix the cable 26 on the rear case 33.

In this embodiment, one side of the cable pressing plate 29 is hinged to the rear case 33 through the rotating shaft 27, the other side of the cable pressing plate 29 is provided with a second clamping groove 30, and the rear case 33 is provided with a second clamping hook 40, so that the other side of the cable pressing plate 29 is clamped and fixed to the rear case 33 through the cooperation of the second clamping groove 30 and the second clamping hook 40.

The photoelectric mixed connector in the embodiment can be used for on-site wiring, and the wiring process is as follows: threading cable 26 from the rear of rear housing 33 so that field optical fiber 35 extends forward a set length of rear housing 33 and so that two conductors 38 are each directly above a respective conductive contact; thereafter, the conductor clamp plate 31 is first snapped onto the rear housing 33 such that the conductors 38 are in conductive contact with the corresponding conductive contacts, and the cable clamp plate 29 is then rotated such that one side of the cable clamp plate 29 snaps onto the rear housing 33 to secure the cable 26. Then, clamping and fixing the inner core assembly 12 and the cable fixing assembly 13 together, at this time, as shown in fig. 6, the field optical fiber 35 is inserted into the field ferrule 25 to be connected with the embedded optical fiber 23 in a centering manner, so as to realize optical connection, and in order to improve the centering connection effect, an optical fiber matching fluid can be added into a butt joint area; at the same time, the front end of the adapting terminal 37 is in conductive contact with the rear conductive contact portion 16, so that the conductive terminal 20 is electrically connected with the conductor 38 of the cable 26 through the adapting terminal 37, thereby achieving electrical connection. Finally, the inner core assembly 12 and the cable fixing assembly 13 are installed into the outer shell 11.

Example 2 of the opto-electric hybrid connector of the present invention:

the present embodiment is different from embodiment 1 in that, in embodiment 1, the conductive terminal 20 is injection molded in the inner housing 14. In this embodiment, the adapter terminal is not provided, and the conductive terminal is injection molded in the rear housing, and at this time, the front end of the conductive terminal is a conductive contact portion, and the rear end is a conductor contact portion.

Example 3 of the opto-electric hybrid connector of the present invention:

the present embodiment is different from embodiment 1 in that in embodiment 1, the rear case 33 is provided with the through terminal 37, and the conductive terminal 20 is in conductive contact with the conductor 38 through the through terminal 37. In the embodiment, the adapter terminal is not provided, and the conductor is directly in conductive contact with the rear conductive contact part of the conductive terminal.

Example 4 of the opto-electric hybrid connector of the present invention:

the present embodiment is different from embodiment 1 in that, in embodiment 1, the conductor pressing plate 31 is fixed on the rear shell 33 by the third hook 36 and the third slot 32. In the embodiment, the conductor pressing plate and the rear shell are both provided with connecting holes, and the conductor pressing plate is fixed on the rear shell through connecting pins which are assembled in the connecting holes in an interference manner.

Example 5 of the opto-electric hybrid connector of the present invention:

the difference between this embodiment and embodiment 1 is that in embodiment 1, a cable pressing plate 29 is fixedly arranged at the rear part of the rear shell 33, and a convex edge 28 is arranged on the inner side of the cable pressing plate 29 to ensure the stability of fixing the cable 26. In the embodiment, the protruding edge is not arranged, the cable pressing plate is provided with the glue filling hole, and after the cable pressing plate fixes the cable on the rear shell, glue is filled between the cable pressing plate and the rear shell through the glue filling hole so as to ensure the stability of cable fixation.

Example 6 of the opto-electric hybrid connector of the present invention:

the present embodiment is different from embodiment 1 in that in embodiment 1, one side of the cable pressing plate 29 is hinged to the rear case 33, and the other side of the cable pressing plate 29 is snapped to the rear case 33. In this embodiment, both sides of the cable pressing plate are clamped on the rear shell.

Embodiment 1 of the photoelectric adapter in the present invention:

as shown in fig. 7 to 9, the photoelectric adapter includes a housing having two insertion ports 43, the insertion ports 43 being inserted by corresponding photoelectric hybrid connectors; the shell comprises a first shell 41 and a second shell 42 which are identical in structure, the first shell and the second shell are respectively provided with a socket 43, and the first shell 41 and the second shell 42 are fixedly connected together through a threaded fastener.

In this embodiment, a support frame is disposed in the housing, the support frame is provided with a ferrule insertion hole 47, and a second sleeve 53 is disposed in the ferrule insertion hole 47 for inserting a corresponding ferrule, so as to realize optical connection.

In this embodiment, the support frame includes a first frame body 54 and a second frame body 55, and a pair of locking buckles 44 are respectively disposed on the two frame bodies, each pair of locking buckles 44 corresponds to one socket 43, and each pair of locking buckles 44 are respectively located on two sides of the ferrule insertion hole 47 to be connected with the inner shell boss 17 of the optical electrical hybrid connector in a clamping manner.

In this embodiment, the support frame is provided with two conductive elastic pieces 45, and each conductive elastic piece 45 is located at the outer side of the locking buckle 44 at the same side of the insertion core insertion hole 47; the conductive elastic sheet 45 is provided with adaptive contact portions at two axial ends along the ferrule insertion hole 47, and the adaptive contact portions are used for being in conductive contact with the conductive terminals 20 of the photoelectric mixed connector to realize electrical connection. In other embodiments, the support frame may not be provided with the conductive elastic sheet, and the photoelectric adapter is used as a common optical adapter.

In this embodiment, the supporting frame is provided with a mounting protrusion 46, the conductive elastic sheet 45 is provided with a mounting groove 48, and the conductive elastic sheet 45 is fixed on the supporting frame through the cooperation of the mounting protrusion 46 and the mounting groove 48. As shown in fig. 8 and 9, a first protrusion 51 is disposed on the first frame 54, a second protrusion 52 is disposed on the second frame 55, and the first protrusion 51 and the second protrusion 52 together form the mounting protrusion 46, so that the conductive elastic sheet 45 can be assembled on the support frame in a limited manner, and the two frames can be fixed together.

Because when locking buckle 44 unlocks, locking buckle 44 is out of shape, is equipped with on electrically conductive shell fragment 45 corresponding to the position of locking buckle 44 and dodges the groove 49 to dodge locking buckle 44, locking buckle 44 and electrically conductive shell fragment 45 take place to interfere when avoiding the unblock.

In this embodiment, a contact elastic sheet 50 is disposed on a side wall of the avoiding groove 49 away from the mounting groove 48, and the contact elastic sheet 50 forms the adaptive contact portion, so as to ensure the stability of the conductive contact between the conductive elastic sheet 45 and the conductive terminal 20.

The photoelectric mixed connector and the photoelectric adapter realize that the optical and electric connection is completed by plugging and unplugging at one time, and solve the problems of secondary circuit laying and large occupied space of equipment interfaces. Meanwhile, the additional electric unit is designed based on the size of the standard SC optical connector and the SC optical adapter, so that the electric unit can be inserted into the standard SC optical connector and the SC optical adapter.

The conductive terminals additionally arranged on the photoelectric mixed connector are arranged on two sides of the inner shell and are positioned behind the locking buckle, so that the problems that the conductive terminals are stressed to be separated and the limited space of the conductive terminals cannot be enlarged are solved. Simultaneously, the photoelectricity that provides in this embodiment loads in mixture connector can satisfy the demand of job site quick wiring.

The conductive elastic sheet of the photoelectric adapter can be selected and installed according to actual use scenes, and can only transmit optical signals, or only transmit electric signals, or can simultaneously transmit the optical signals and the electric signals.

Embodiment 2 of the photoelectric adapter in the present invention:

in this embodiment, as shown in fig. 10 and 11, a pin 57 is disposed on the conductive elastic sheet 45, the pin 57 is in a fish-eye structure, and the pin 57 is directly inserted into the panel. In other embodiments, the pins may be metal posts, which require soldering to the panel.

In this embodiment, the first housing 41 and the second housing 42 are both provided with barbs 56, and the barbs 56 can be directly inserted into the mounting holes on the panel, so that the optical-electrical adapter is more firmly mounted on the panel.

Embodiment 3 of the photoelectric adapter in the present invention:

the difference between this embodiment and embodiment 1 is that in embodiment 1, the housing includes a first housing 41 and a second housing 42, and the first and second housings are connected together in a manner of buckling, so as to enclose a locking buckle 44, a conductive elastic sheet 45, and other components placed between the two housings. In this embodiment, as shown in fig. 12, the housing 61 is an integral structure, a component mounting opening 62 is formed in one side of the housing 61, and after the locking buckle 64, the conductive elastic sheet 63 and other components are installed in the housing 61, the cover plate 65 covers the component mounting opening 62 to complete the assembly.

Embodiment 4 of the optoelectronic adapter of the present invention:

the present embodiment is different from embodiment 1 in that in embodiment 1, the support frame is a separate structure. In this embodiment, the supporting frame is an integrated structure.

Embodiment 5 of the photoelectric adapter in the present invention:

the difference between this embodiment and embodiment 1 is that in embodiment 1, an avoiding groove 49 is provided at a position on the conductive elastic sheet 45 corresponding to the locking buckle 44, and the avoiding groove 49 is used for avoiding the corresponding locking buckle 44. In this embodiment, the distance between the conductive elastic sheet and the locking buckle is far enough, and at this time, the avoiding groove is not formed in the conductive elastic sheet.

Embodiment 6 of the photoelectric adapter in the present invention:

the difference between this embodiment and embodiment 1 is that in embodiment 1, the support frame is provided with an installation protrusion 46, the conductive elastic piece 45 is provided with an installation groove 48, and the conductive elastic piece 45 is fixed on the support frame through the installation protrusion 46 and the installation groove 48. In this embodiment, the support frame is provided with a jack, the middle of the conductive elastic sheet is provided with an insertion rod, and the conductive elastic sheet is inserted into the jack through the insertion rod and fixed on the support frame.

The above description is only a preferred embodiment of the present application, and not intended to limit the present application, the scope of the present application is defined by the appended claims, and all changes in equivalent structure made by using the contents of the specification and the drawings of the present application should be considered as being included in the scope of the present application.

Claims

1. Opto-electric hybrid connector comprising:

a housing (11);

the inner shell (14) is inserted into the outer shell (11), an inner shell boss (17) is arranged on the inner shell (14), and the inner shell boss (17) is used for being clamped with a locking buckle (44) of the corresponding photoelectric adapter;

the rear shell (33) is inserted into the outer shell (11) and positioned at the rear part of the inner shell (14), and the rear shell (33) and the inner shell (14) are fixed together;

a ferrule assembly within the inner housing (14) for connection with an optical fiber of a cable (26);

it is characterized by also comprising:

the conductive terminals (20) are respectively arranged on two sides of the inner shell (14) or two sides of the rear shell (33);

the front end of the conductive terminal (20) is provided with a front conductive contact part (15), and the front conductive contact part (15) is used for being in conductive contact with a conductive elastic sheet (45) of a corresponding photoelectric adapter; the rear end of the conductive terminal (20) is provided with a rear conductive contact part (16), and the rear conductive contact part (16) is used for being in conductive connection with a conductor (38) of the cable (26).

2. The opto-electric hybrid according to claim 1, characterized in that the conductive terminal (20) is injection molded within the inner housing (14).

3. The opto-electric hybrid according to claim 2, wherein the rear housing (33) is provided with a relay terminal (37), a front end of the relay terminal (37) is in conductive contact with the rear conductive contact portion (16), and a rear end of the relay terminal (37) is provided with a conductor (38) contact portion; a conductor pressing plate (31) is fixedly connected to the rear shell (33), and the conductor pressing plate (31) presses a conductor (38) of the cable (26) to the switching terminal (37) after being fixed to the rear shell (33) so that the conductor (38) is in conductive contact with a contact part of the conductor (38).

4. The opto-electric hybrid connector according to claim 3, characterized in that the rear housing (33) further comprises a resilient piece (39), the resilient piece (39) is disposed between the conductor pressing plate (31) and the adapting terminal (37), and the conductor pressing plate (31) presses the conductor (38) of the cable (26) to the adapting terminal (37) through the resilient piece (39).

5. The opto-electric hybrid connector according to claim 3 or 4, characterized in that one of the rear housing (33) and the conductor pressing plate (31) is provided with a hook, the other of the rear housing (33) and the conductor pressing plate (31) is provided with a slot, and the conductor pressing plate (31) is fixed on the rear housing (33) through the hook and the slot.

6. The opto-electric hybrid connector according to any one of claims 1 to 4, characterized in that a cable pressing plate (29) is fixedly arranged at the rear part of the rear housing (33), and a convex edge (28) is arranged at the inner side of the cable pressing plate (29).

7. The opto-electrical hybrid connector according to claim 6, characterized in that one side of the cable clamp plate (29) is hinged to the rear housing (33) and the other side of the cable clamp plate (29) is snapped onto the rear housing (33).

8. The optoelectric hybrid connector according to any one of claims 1 to 4, wherein the ferrule assembly comprises a pre-embedded ferrule (24), a field ferrule (25), a sleeve and a compression spring (21), the pre-embedded ferrule (24) and the field ferrule (25) are inserted into the sleeve, the field ferrule (25) abuts against the rear end of the pre-embedded ferrule (24), a retaining ring (22) is arranged in the inner shell (14) behind the field ferrule (25), the compression spring (21) is sleeved on the rear end of the field ferrule (25), and the rear end of the compression spring (21) abuts against the retaining ring (22); the embedded optical fiber (23) is arranged in the embedded inserting core (24), and the field inserting core (25) is used for being connected with the optical fiber of the cable (26).

9. The opto-electric hybrid according to any one of claims 1 to 4, characterized in that the inner housing bosses (17) are located on both sides of the inner housing (14) and the conductive terminals (20) are located behind the respective inner housing bosses (17).

10. The opto-electric hybrid according to claim 1, characterized in that the conductive terminal (20) is injection molded in the rear housing (33).

11. An optoelectronic adapter, comprising:

a housing having two sockets (43), the sockets (43) being for insertion of respective opto-electrical hybrid connectors;

the supporting frame is arranged in the shell;

the inserting core inserting hole (47) is arranged on the supporting frame and is used for inserting the inserting core component of the corresponding photoelectric mixed connector;

the locking buckles (44) are arranged in two pairs, each pair of locking buckles (44) is arranged on the support frame and corresponds to one socket (43) and each pair of locking buckles (44) is respectively positioned on two sides of the insertion core insertion hole (47) and is clamped with the inner shell boss (17) of the photoelectric mixed connector;

the conductive elastic sheet (45) is fixed on the support frame and is positioned on the outer side of the locking buckle (44) on the same side of the insertion core insertion hole (47), the conductive elastic sheet (45) is provided with adaptive contact parts along the two axial ends of the insertion core insertion hole (47), and the adaptive contact parts are used for being in conductive contact with the conductive terminals (20) of the photoelectric mixed connector.

12. The photoelectric adapter of claim 11, wherein the supporting frame is provided with a mounting protrusion (46), the conductive elastic piece (45) is provided with a mounting groove (48), and the conductive elastic piece (45) is fixed on the supporting frame through the mounting protrusion (46) and the mounting groove (48) in a matching manner.

13. The photoelectric adapter according to claim 12, wherein the support comprises a first frame (54) and a second frame (55), wherein one pair of locking buckles (44) is arranged on the first frame (54) and the other pair of locking buckles (44) is arranged on the second frame (55); a part of the mounting projection (46) is provided on the first frame body (54), and the other part of the mounting projection (46) is provided on the second frame body (55).

14. The optoelectronic adaptor according to claim 11, 12 or 13, wherein an avoiding groove (49) is provided on the conductive spring piece (45) at a position corresponding to the locking clip (44), and the avoiding groove (49) is used for avoiding the corresponding locking clip (44).

15. The photoelectric adapter of claim 14, wherein a contact spring (50) is arranged on a side wall of the avoiding groove (49) far away from the supporting frame, and the contact spring (50) forms the adapting contact part.

16. The photoelectric adapter according to claim 11, 12 or 13, wherein the housing comprises a first housing (41) and a second housing (42), the first housing and the second housing are respectively provided with a socket (43), and the first housing (41) and the second housing (42) are fixedly connected together through a threaded fastener.

17. The optoelectronic adapter of claim 11, 12 or 13, wherein a component mounting opening is formed on a side surface of the housing, and a cover plate is fixedly connected to the component mounting opening.

18. The photoelectric adapter according to claim 11, 12 or 13, wherein the conductive elastic sheet (45) is provided with a pin (57), and the pin (57) is arranged to extend out of the shell.

19. Optoelectronic adapter as claimed in claim 11, 12 or 13, characterized in that a barb (56) is provided on the outer side of the housing.