CN216488633U - Photoelectric composite connector for data transmission and adapter matched with same - Google Patents

Abstract

The utility model discloses a photoelectric composite connector for data transmission and a matched adapter thereof, wherein the photoelectric composite connector comprises a shell, a fixed shell, a connecting shell and a ferrule assembly, wherein the shell is sleeved on the fixed shell; the connecting shell is provided with a first through hole and a second through hole; the fixed shell comprises a fixed shell body and two conductive strips, the fixed shell body is provided with a third through hole, and the third through hole is provided with a circular hole section and a connecting shell accommodating section; the first end of the conductive strip is embedded on the side wall of the fixed shell, a contact is projected from the first end of the conductive strip to the inside of the circular hole section, and the second end of the conductive strip is exposed out of the fixed shell; the ferrule assembly is mounted on the circular hole section of the fixing shell in a penetrating mode. The adapter includes a core assembly and an adapter shell for plugging the outer shell. The photoelectric composite connector can not only transmit optical signals, but also transmit electric signals, and the contact of the conductive bar of the photoelectric composite connector is arranged in the circular hole section of the fixed shell, so that the photoelectric composite connector can be well protected by the shell and the fixed shell, and the photoelectric composite connector is effectively prevented from being oxidized.

Description

Photoelectric composite connector for data transmission and adapter matched with same

Technical Field

The utility model belongs to the field of communication facilities, and particularly relates to a photoelectric composite connector for data transmission and an adapter matched with the photoelectric composite connector.

Background

At present optical fiber communication all is passive connection, but along with 5G mobile communication's development, the antenna, the camera, the traffic light, FTTR, the switch, the product that needs use optic fibre and power simultaneously such as router, if can be with light and the integrated optical cable of a conductive copper line, and optical fiber connector can simultaneous transmission optical fiber signal and signal of telecommunication, will greatly reform transform current wiring mode, once lay and just can realize equipment circular telegram networking, save huge investment, can reduce the product size at terminal, it is limited to save circuit laying space, in order to connect these composite cable, can use independent optical connector and electric connector at the both ends of cable. But the best way is to design the photoelectric composite connector and complete the optical and electric connection by plugging and unplugging once.

The arrangement position of the arc-shaped conducting strip on the shell is unreasonable in the existing photoelectric composite connector, and the phenomenon that the contact area is small, and the contact conductor is exposed in the air in a large area and is easily affected by the external atmospheric environment to generate oxidation phenomenon exists, so that the transmission stability of electricity is affected. In addition, some existing adapters are matched with the shell and the arc-shaped conducting sheet on the photoelectric composite connector, the structure and the size of the existing adapters need to be specially made, the existing adapters are not standard SC adapters, and the application range of the adapters is limited.

SUMMERY OF THE UTILITY MODEL

The utility model provides a photoelectric composite connector for data transmission and a matched adapter thereof, aiming at the defects or improvement requirements of the prior art, not only can optical signals be transmitted, but also electric signals can be transmitted, the contact points of the conducting strips of the photoelectric composite connector are arranged in the circular hole section of the fixed shell, the photoelectric composite connector can be well protected by the shell and the fixed shell, the oxidation is effectively prevented, the positions and the number of the conducting strips can be conveniently arranged on the circumferential section, the normal design shape and the size of the adapter can not be influenced, and the photoelectric composite connector can be plugged onto the SC adapter.

To achieve the above object, according to one aspect of the present invention, there is provided an optoelectric composite connector for data transmission, including a housing, a fixing housing, a connecting housing, and a ferrule assembly, wherein:

the outer shell is sleeved on the fixed shell and used for inserting an adapter;

the connecting shell is provided with a first through hole for the optical cable of the photoelectric composite cable to pass through and a second through hole for the cable of the photoelectric composite cable to pass through;

the fixing shell comprises a fixing shell body and two conductive strips, the fixing shell body is provided with a third through hole parallel to the first through hole, the third through hole is provided with a circular hole section and a connecting shell accommodating section, the two conductive strips are arranged along the circumferential direction of the circular hole section, and the connecting shell is sleeved in the connecting shell accommodating section;

for each conductive strip, a first end of the conductive strip is embedded on the side wall of the fixed shell, a contact point protrudes from the first end of the conductive strip towards the inside of the round hole section, and a second end of the conductive strip is exposed out of the fixed shell and used for connecting with a first end of the cable;

the inserting core assembly penetrates through the round hole section of the fixing shell and is used for connecting an optical cable.

Preferably, the conductive strip is embedded on a sidewall of the stationary housing by an injection molding process so as to be integrated with the stationary housing.

Preferably, the contact points on the conductive strips are elongated structures formed by stamping.

Preferably, the second through hole is a groove formed in a side wall of the connecting shell, a length direction of the conductive strip is consistent with a length direction of the second through hole, and a second end of the conductive strip extends into the second through hole.

Preferably, the conductive strip has an intermediate enlarged section to improve the tightness of the connection of the conductive strip to the stationary housing.

Preferably, both ends of the outer case extend beyond the stationary case so that the stationary case is entirely disposed inside the outer case.

Preferably, the fixing shell and the connecting shell are matched to clamp the ferrule assembly, the ferrule assembly comprises a ferrule and a spring, a first end of the ferrule is exposed out of the fixing shell, a second end of the ferrule abuts against a first end of the spring, a second end of the spring abuts against a first end of the connecting shell, and a limiting table for limiting displacement of the first end of the ferrule is arranged on the fixing shell.

Preferably, still include crimping ring, adjusting shim and tail cover, the first end of tail cover extends to the inner chamber of crimping ring and has annular boss, the outside of connecting the shell is provided with the ring channel, annular boss card is gone into in the ring channel, the adjusting shim cover is established in the crimping ring to be used for compressing tightly the cable skin of photoelectric composite cable, the crimping ring is nested establish on the connecting shell and be located in the tail cover.

In order to achieve the above object, according to another aspect of the present invention, there is provided an adapter for mating with the optoelectric composite connector, including a core assembly and an adapter shell for plugging the shell, where the core assembly includes an inner cylinder bracket, an inner cylinder and pins, the inner cylinder bracket is plugged into the adapter shell, the inner cylinder is mounted on the inner cylinder bracket, arc-shaped conductive strips are mounted on the outer side of the inner cylinder, the number of the arc-shaped conductive strips is equal to the number of the conductive strips, so that the arc-shaped conductive strips are respectively in contact with the contacts of the conductive strips, and each arc-shaped conductive strip is connected with one pin and the pin is exposed out of the adapter shell.

Preferably, the inner wall of the adapter shell extends to form a plurality of positioning tables, and the inner cylinder support is provided with outward extending elastic pieces at positions corresponding to the positioning tables, wherein the outward extending elastic pieces are pressed on the inner wall of the adapter shell and abut against the positioning tables.

In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:

1) the conducting strips are embedded on the fixed shell, the contacts are protruded towards the round hole section, the inside of the round hole section is protected by the fixed shell and the shell, the conducting strips can be prevented from being oxidized, the stability of electric connection is ensured, the conducting strips are reasonably arranged on the fixed shell, and other electric connections can be realized by additionally arranging the quantity of the conducting strips according to needs.

2) The utility model can ensure that the contact of the conductive bar compresses the arc-shaped conductive sheet on the adapter, has large contact area and can realize large-current high-power transmission.

3) The optical fiber composite connector and the adapter can not only transmit optical signals, but also transmit electric signals, the adapter can be compatible with some existing common optical fiber connectors, the size of an interface is completely matched with that of the existing optical fiber connectors, and the optical fiber composite connector and the common optical fiber connectors, and the adapter and the common adapter can be combined randomly and completely interchanged.

Drawings

FIG. 1 is an exploded schematic view of the present invention;

FIG. 2 is a perspective view of the present invention with the boot and housing removed;

FIG. 3 is an exploded view of the present invention from one of its perspectives with the boot and the housing removed;

FIG. 4 is an exploded view of the present invention from another perspective, with the boot and housing removed;

FIG. 5 is an exploded view of the stationary housing of the present invention;

FIG. 6 is a perspective view of a stationary housing of the present invention;

FIG. 7 is a top view of the stationary housing of the present invention;

FIG. 8 is a front view of the stationary housing of the present invention;

FIG. 9 is a perspective view of the coupling housing of the present invention;

FIG. 10 is a front view of the coupling housing of the present invention;

FIG. 11 is a cross-sectional view taken along line A-A of FIG. 10;

FIG. 12 is a side view of the coupling housing of the present invention;

FIG. 13 is a perspective view of an adapter of the present invention;

FIG. 14 is an exploded view of the adapter of the present invention;

FIG. 15 is an exploded view of the adapter of the present invention;

fig. 16 is a cross-sectional view of an adapter of the present invention.

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 specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 16, according to another aspect of the present invention, there is provided an optoelectric composite connector for data transmission, including a housing 1, a fixing housing 4, a connecting housing 6, and a ferrule assembly, wherein:

the shell 1 is sleeved on the fixed shell 4 and used for inserting an adapter;

the connecting shell 6 is provided with a first through hole 6.7 for the optical cable 10.2 of the photoelectric composite cable 10 to pass through and a second through hole for the cable of the photoelectric composite cable 10 to pass through, and the second through hole can be preferably communicated with the first through hole 6.7;

the fixing shell 4 comprises a fixing shell and two conducting strips 5, the fixing shell is provided with a third through hole parallel to the first through hole 6.7, the third through hole is provided with a circular hole section 4.7 and a connecting shell 6 accommodating section, the two conducting strips 5 are arranged along the circumferential direction of the circular hole section 4.7, and the connecting shell 6 is sleeved in the connecting shell 6 accommodating section;

for each of said conductive strips 5, the conductive strip 5 is preferably embedded on the side wall of said fixed casing by means of an injection moulding process, so as to be integral with said fixed casing; the first end of the conductive strip 5 is embedded on the side wall of the fixed shell, a contact 5.1 protrudes from the first end of the conductive strip 5 into the round hole section 4.7, the contact 5.1 on the conductive strip 5 is a long strip-shaped structure formed by stamping, and the second end of the conductive strip 5 is exposed out of the fixed shell and is used for connecting the first end of the cable;

the ferrule assembly is mounted on the round hole section 4.7 of the fixing shell 4 in a penetrating manner so as to be used for connecting an optical cable 10.2. The fixed shell 4 and the connecting shell 6 are matched to clamp the ferrule assembly, the ferrule assembly comprises a ceramic ferrule 2 and a spring 3, the first end of the ceramic ferrule 2 is exposed out of the fixed shell, the second end of the ceramic ferrule is abutted against the first end of the spring 3, the second end of the spring 3 is abutted against the first end of the connecting shell 6, and a limiting table used for limiting the displacement of the first end of the ceramic ferrule 2 is arranged on the fixed shell 4.

The second through hole is a groove formed in the side wall of the connecting shell 6, the length direction of the conductive strip 5 is consistent with the length direction of the second through hole, and the second end of the conductive strip 5 extends into the second through hole, so that the arrangement of the second end of the conductive strip 5 on the groove is facilitated, and a sufficient space is provided for connecting the first end of the cable with the second end of the conductive strip 5.

Furthermore, both ends of the outer shell 1 extend beyond the fixed shell 4, so that the fixed shell 4 is completely arranged inside the outer shell 1, and the contact 5.1 can be better protected.

Further, optoelectrical composite connector still includes crimping ring 8, adjusting shim 9 and tail cover 11, the first end of tail cover 11 extends to crimping ring 8's inner chamber and has annular boss, the outside of connecting shell 6 is provided with ring channel 6.5, annular boss card is gone into in the ring channel 6.5, adjusting shim 9 cover is established in crimping ring 8 to be used for compressing tightly the cable skin of optoelectrical composite cable 10, crimping ring 8 cover is established connect on the shell 6 and be located in the tail cover 11.

In this example, two cables, a first cable 10.1A and a second cable 10.1B, are provided, two conductive strips 5 are provided in the stationary housing 4, the conductive strips 5 may be made of phosphor bronze, and the conductive strips 5 may be connected to the cables by soldering. Correspondingly, a plurality of conductive strips 5 can be arranged as required for transmitting current signals, data signals and the like, and a plurality of cables are correspondingly arranged. A cutout area 6.8 may be provided in the connecting housing 6 for accommodating the circuit board 7 and extended functions such as memory chips, LED indicators, RF chips, etc. The conductive strip 5 is formed integrally with the fixed housing 4 by injection molding, and is stamped to form an elongated contact 5.1 for increasing the positive pressure and contact area for contacting the conductive strip 14 on the adapter to increase the current transmission. An intermediate enlarged section 5.2 may be provided on the conductive strip 5 to increase the positioning and stopping of the conductive strip 5 and the stationary housing 4, so as to improve the tightness of the connection between the conductive strip 5 and the stationary housing. The two conductive strips 5 form together two contacts 5.1, a first contact 5A and a second contact 5B, respectively, for realizing a positive and a negative current flow.

The shell 1 of the utility model is used for realizing the fixation and the unlocking of the photoelectric composite connector and the adapter. The fixed shell 4 is used for pressing the ceramic ferrule 2 and the spring 3, the clamping grooves 4.6 are formed in two sides of the fixed shell 4, the fixed shell 4 is clamped on the clamping table 6.2 of the connecting shell 6, the spring 3 provides elasticity for the ceramic ferrule 2 and can achieve certain buffering, and the ceramic ferrule 2 and the spring 3 are contained between the fixed shell 4 and the head 6.1 of the connecting shell 6. The circuit board 7 is an extended function for realizing the present optoelectric composite connector, and the circuit board 7 may not be provided if only power is supplied to the terminal device. The tail 6.6 of the connection housing 6 is fixed to the optical cable 10.2 by means of the crimp ring 8. The adjusting shim 9 is used to compress the cable sheath. The aramid or other strength members of the cable 10.2 are crimped to the end of the connecting shell 6 by means of crimp rings 8. The boot 11 is intended to protect the optical cable 10.2 from excessive bending.

The head of the connecting shell 6 is used for accommodating the spring 3 and the ceramic ferrule 2, and the clamping platforms 6.2 at the two ends are used for buckling the clamping grooves 4.6 of the fixed shell 4. Two second through holes, namely a second through hole I6.3A and a second through hole II 6.3B, are arranged in the connecting shell 6 and are used for placing the end parts of the first cable 10.1A and the second cable 10.1B respectively. During assembly, the optical cable 10.2 and the two cables penetrate through the tail part of the connecting shell 6, the optical cable 10.2 penetrates out of the first through hole 6.7 in the middle of the connecting shell 6, and the two cables penetrate out of the second through hole A and the second through hole B respectively. A first wire passing groove 6.4A and a second wire passing groove 6.4B are also arranged on the connecting shell 6, and a lead wire required to be led in or out of the circuit board 7 can penetrate out of the first wire passing groove 6.4A and the second wire passing groove 6.4B. The tail part of the connecting shell 6 is used for clamping the tail sleeve 11, and a lug boss matched with the annular groove 6.5 is arranged on the tail sleeve 11. The end of the splice case 6 is used to crimp aramid or other strength members of the cable 10.2. The outer lane size of adjusting shim 9 is fixed, and the hole in the middle of adjusting shim 9 can set up different shapes, is used for matcing different cable type cross sections, converts different cable type cross sections into the size that is fit for the crimping of crimping ring 8, and what the condition gasket of this example set up is the cable type that is suitable for the rectangular cross section.

According to another aspect of the present invention, there is also provided an adaptor for mating with the optoelectric composite connector, which includes a core assembly 13 and an adapter shell 12 for inserting into the housing 1, wherein the core assembly 13 includes an inner cylinder holder, an inner cylinder and pins 15, the inner cylinder holder is inserted into the adapter shell 12, the inner cylinder is mounted on the inner cylinder holder, the outer side of the inner cylinder is mounted with arc-shaped conductive strips 14 corresponding to the number of the conductive strips 5, so as to allow the arc-shaped conductive strips 14 to contact with the contacts 5.1 of the conductive strips 5, each arc-shaped conductive strip 14 is connected with one pin 15, and the pins 15 are exposed out of the adapter shell 12. A plurality of positioning tables 12A extend from the inner wall of the adapter housing 12, and outward extending elastic pieces 13A are respectively arranged at positions of the inner cylinder bracket corresponding to the positioning tables 12A, and the outward extending elastic pieces 13A are pressed on the inner wall of the adapter housing 12 and abut against the positioning tables 12A.

In order to increase the versatility of the product, the shape and size of the adapter are compatible with the SC connector, and the shape and size of the housing 1 of the optoelectric composite connector can be inserted into the SC type adapter.

The outer circumference of the inner cylinder of the adaptor accommodating the ferrule 2 is provided with a conducting strip 14A and a conducting strip 14B for realizing the transmission of positive and negative current, and as mentioned above, a plurality of groups of conducting strips 14 can be correspondingly arranged for realizing the transmission of current or data signals. The conductive tab 14 is also integrally formed with the inner barrel by in-mold injection molding.

When the two adapters are connected, the two adapters are abutted in a left-right symmetrical mode. During assembly, the overhanging elastic sheet 13A of the inner cylinder support is just clamped on the end face of the positioning table 12A, the two adapting shells 12 can be firmly welded through ultrasonic waves, a welding seam is formed at the joint, meanwhile, two groups of conductive pins 15 with the same polarity and function are also pressed, the conductive sheets 14 at the two ends of the adapter can be conducted, after the two adapters are connected into a whole, the photoelectric composite connector of the embodiment is respectively inserted at the two ends, the conductive strips 5 of the two photoelectric composite connectors can be conducted, and data or current transmission is realized. In addition, the conductive pins 15 can be soldered to the circuit board 7, and the circuit board 7 can be supplied with current or quantity, and when the connector is plugged, the connector can transmit the current or data supplied by the circuit to the terminal.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides an optoelectrical composite connector for data transmission which characterized in that, includes shell, stationary housing, connects shell and lock pin subassembly, wherein:

the outer shell is sleeved on the fixed shell and used for inserting an adapter;

the connecting shell is provided with a first through hole for the optical cable of the photoelectric composite cable to pass through and a second through hole for the cable of the photoelectric composite cable to pass through;

the fixing shell comprises a fixing shell body and two conductive strips, the fixing shell body is provided with a third through hole parallel to the first through hole, the third through hole is provided with a circular hole section and a connecting shell accommodating section, the two conductive strips are arranged along the circumferential direction of the circular hole section, and the connecting shell is sleeved in the connecting shell accommodating section;

for each conductive strip, a first end of the conductive strip is embedded on the side wall of the fixed shell, a contact point protrudes from the first end of the conductive strip towards the inside of the round hole section, and a second end of the conductive strip is exposed out of the fixed shell and used for connecting with a first end of the cable;

the inserting core assembly penetrates through the round hole section of the fixing shell and is used for connecting an optical cable.

2. The optoelectric composite connector of claim 1, wherein the conductive strips are embedded on the sidewalls of the stationary housing by an injection molding process so as to be integrated with the stationary housing.

3. The optical-electrical hybrid connector for data transmission according to claim 1, wherein the contact points on the conductive strips are elongated structures formed by stamping.

4. The optical-electrical hybrid connector for data transmission according to claim 1, wherein the second through hole is a groove formed in a side wall of the connecting housing, the conductive strip has a length direction that coincides with a length direction of the second through hole, and the second end of the conductive strip extends into the second through hole.

5. The optoelectric composite connector of claim 1, wherein the conductive strip has an intermediate enlarged section to improve the tightness of the connection between the conductive strip and the fixed housing.

6. The optoelectric composite connector of claim 1, wherein the housing extends beyond the retention housing at both ends such that the retention housing is entirely disposed within the housing.

7. The optoelectrical composite connector of claim 1, wherein the fixing housing and the connecting housing cooperate to clamp the ferrule assembly, the ferrule assembly includes a ferrule and a spring, a first end of the ferrule is exposed out of the fixing housing, a second end of the ferrule abuts against the first end of the spring, a second end of the spring abuts against the first end of the connecting housing, and a stop is disposed on the fixing housing for limiting a displacement of the first end of the ferrule.

8. The optoelectric composite connector of claim 1, further comprising a crimp ring, an adjustment gasket, and a tail sleeve, wherein the first end of the tail sleeve extends to an inner cavity of the crimp ring to form an annular protrusion, an annular groove is formed on an outer side of the connecting shell, the annular protrusion is clamped into the annular groove, the adjustment gasket is sleeved in the crimp ring to compress a cable jacket of the optoelectric composite cable, and the crimp ring is sleeved on the connecting shell and located in the tail sleeve.

9. The adaptor for matching with the optoelectric composite connector of any one of claims 1 to 8, comprising a core assembly and an adapter shell for plugging the housing, wherein the core assembly comprises an inner cylinder support, an inner cylinder and pins, the inner cylinder support is plugged into the adapter shell, the inner cylinder is mounted on the inner cylinder support, the outer side of the inner cylinder is mounted with arc-shaped conductive strips, the number of the arc-shaped conductive strips is the same as that of the conductive strips, the arc-shaped conductive strips are used for contacting with the contacts of the conductive strips, and each arc-shaped conductive strip is connected with one pin and the pins are exposed out of the adapter shell.

10. The adapter according to claim 9, wherein the inner wall of the adapter housing extends with a plurality of positioning stages, and the inner cylinder holder is provided with outwardly extending resilient pieces at positions corresponding to the respective positioning stages, respectively, the outwardly extending resilient pieces being pressed against the inner wall of the adapter housing and abutting against the positioning stages.

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