CN216015769U

CN216015769U - Photoelectric composite connector and device with same

Info

Publication number: CN216015769U
Application number: CN202122283764.4U
Authority: CN
Inventors: 陈仕军; 郑镇宏; 孙健; 黄雪云
Original assignee: Chaozhou Three Circle Group Co Ltd; Nanchong Three Circle Electronics Co Ltd
Current assignee: Chaozhou Three Circle Group Co Ltd; Nanchong Three Circle Electronics Co Ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-11
Anticipated expiration: 2031-09-18

Abstract

The utility model relates to the technical field of connectors and discloses a photoelectric composite connector and a device with the same, wherein the connector comprises a main body, a ferrule assembly and a conductive piece, wherein the main body is provided with an accommodating cavity and a sleeve communicated with one end of the accommodating cavity; the ferrule assembly is arranged in the accommodating cavity, and one end of the ferrule assembly is inserted into the sleeve; the conductive piece is arranged on the side wall of the main body; one end of the conductive piece extends towards the sleeve to form an electric shock terminal, and the electric shock terminal is arranged on the pipe wall of the sleeve, extends into the sleeve and is used for electrically connecting the adapter; and a connecting terminal extends towards the direction far away from the sleeve from the other end of the conductive piece and is used for electrically connecting the cable. The utility model can complete the optical and electric connection transmission by one-time plugging, has simple and convenient operation and is beneficial to the miniaturization application scene.

Description

Photoelectric composite connector and device with same

Technical Field

The utility model relates to the technical field of connectors, in particular to a photoelectric composite connector and a device with the same.

Background

With the advent of the intelligent era of the internet of things, higher and higher requirements are provided for the broadband quality in the application scene of the terminal. The scheme that the optical fibers are distributed to rooms in an all-around mode and reach various terminal application scenes such as specific equipment is developed, and therefore the fact that a user can experience network services with high bandwidth and low delay can be guaranteed under the condition of mass information data.

When the scheme from the optical fiber to various terminal application scenes is adopted, the terminal application scenes usually have the requirement on the cable besides the requirement on the optical cable, so that the problem of secondary laying of the optical cable line and the cable line can be met. Through adopting the compound cable of photoelectricity, can solve the problem that the secondary was laid, realize that once the cable is laid can the circular telegram and lead to the net. The connection mode of the tail end of the photoelectric composite cable can be realized by adopting an optical connector and an electric connector respectively, but the optical and electric connection transmission can be completed by using the two connectors through two times of plugging and unplugging, so that the operation process is complex; meanwhile, the two connectors need to correspond to two terminal application device interfaces, which is not beneficial to miniaturization and high-density development.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an optical-electrical composite connector and a device with the same, which can complete optical and electrical connection transmission by one-time plugging without increasing the volume and the number of the connectors, are simple and convenient to operate and are beneficial to miniaturization application scenes.

In order to solve the technical problem, the utility model provides an optical-electrical composite connector, which comprises a main body, a ferrule assembly and a conductive piece, wherein the main body is provided with an accommodating cavity and a sleeve communicated with one end of the accommodating cavity; the ferrule assembly is arranged in the accommodating cavity, and one end of the ferrule assembly is inserted into the sleeve; the conductive piece is arranged on the side wall of the main body; one end of the conductive piece extends towards the sleeve to form an electric shock terminal, the electric shock terminal is arranged on the pipe wall of the sleeve and extends into the sleeve through the opening to be electrically connected with the adapter; and a connecting terminal extends towards the direction far away from the sleeve from the other end of the conductive piece and is used for electrically connecting the cable.

Preferably, the conductive member has a sheet structure including a first conductive member and a second conductive member.

Preferably, an end of the main body, which is far away from the sleeve, is provided with an optical fiber accommodating part for passing an optical fiber and an electric wire accommodating part for passing an electric wire in sequence.

Preferably, the wire clamping device further comprises a clamping portion, wherein the clamping portion comprises a clamping block and a placing portion, the placing portion is connected with the wire accommodating portion, and the clamping block is arranged in the placing portion.

Preferably, the side wall of the main body is provided with a gap part, and the side wall of the main body is provided with a notch communicated with the gap part; at least part of the conductive piece extends to the gap part, and two ends of the conductive piece respectively extend to the gap part through the gap.

Preferably, a protrusion is disposed on a side wall of the main body, and the conductive member is provided with a locking hole engaged with the protrusion.

Preferably, a limit block is arranged on the side wall of the main body and used for limiting the conducting strip to move.

Preferably, the wall of the sleeve is provided with an opening, and the electric contact terminal extends into the sleeve through the opening.

Preferably, the end of the electric contact terminal is provided with a smooth transition part.

Preferably, the portable electronic device further comprises a rear cover, the rear cover is arranged on the main body, the rear cover is provided with an access port, a guide surface and a pressing surface, the pressing surface is arranged on the inner wall of the rear cover, one end of the guide surface is connected with the pressing surface, and the other end of the guide surface obliquely extends to the access port.

In order to solve the above problems, the present invention further provides a device, including an adapter, a cable and the above photoelectric composite connector, where the adapter includes a housing, a sleeve seat, a sleeve and a conductive terminal, the sleeve seat is disposed in the housing, the sleeve is disposed on the sleeve seat, and the conductive terminal is inserted into the sleeve seat; the cable comprises an electric wire and an optical fiber, the photoelectric composite connector is inserted into the shell, one end of the ferrule assembly is sleeved with the sleeve, and the conductive terminal is abutted to the electric shock terminal; the optical fiber is connected with the inserting core assembly, and the electric wire is abutted to the connecting terminal.

The utility model has the following beneficial effects:

the utility model sets the conductive piece on the side wall of the main body, and extends to the two ends of the main body, and is respectively provided with the electric shock terminal and the connecting terminal, the electric shock terminal can be connected with the adapter, the connecting terminal can be connected with the cable, and the embedded optical fiber is arranged in the inserting core component and is connected with the optical fiber of the cable, so that the optical and electric connection transmission is realized, the volume and the number of the connector are not required to be increased, the operation is greatly simplified, and the utility model can be used in some small-sized application scenes.

Drawings

Fig. 1 is a schematic structural diagram of an optoelectrical composite connector according to an embodiment of the present invention;

fig. 2 is an exploded view of an opto-electronic composite connector provided by an embodiment of the present invention;

fig. 3 is a cross-sectional view of an optoelectrical composite connector provided by an embodiment of the present invention;

fig. 4 is a schematic diagram of an internal structure of an optical-electrical hybrid connector according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a main body according to an embodiment of the present invention;

FIG. 6 is a top view of a body provided by an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a conductive device according to an embodiment of the present invention;

FIG. 8 is an enlarged partial view of FIG. 7;

FIG. 9 is a schematic structural diagram of a rear cover according to an embodiment of the present invention;

figure 10 is a schematic structural diagram of a ferrule assembly provided by an embodiment of the present invention;

FIG. 11 is a schematic structural diagram of an apparatus provided by an embodiment of the present invention;

FIG. 12 is a cross-sectional view of an apparatus provided by an embodiment of the present invention;

fig. 13 is a diagram illustrating a change in connection state of the contact terminal according to the embodiment of the present invention;

fig. 14 is an exploded view of an adapter provided by an embodiment of the present invention.

Reference numerals:

1. a main body; 11. an accommodating chamber; 12. a sleeve; 121. an opening; 13. a bump; 14. a limiting block; 15. a front cover; 2. a ferrule assembly; 21. inserting a core; 22. a tailstock; 23. pressing a sticking block; 24. locking; 3. a conductive member; 31. an electric shock terminal; 311. a smooth transition portion; 32. a connection terminal; 33. a clamping hole; 4. an optical fiber receiving portion; 5. an electric wire housing portion; 6. a clamping portion; 61. a clamping block; 62. a placement part; 7. a slit portion; 8. a rear cover; 81. an access port; 82. a compression surface; 83. a guide surface; 9. an adapter; 91. a housing; 92. a sleeve seat; 921. inserting a tube; 922. a cantilever trip; 93. a sleeve; 94. a conductive terminal; 10. a cable; 101. an electric wire; 102. an optical fiber.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1 to 3, a preferred embodiment of the present invention provides an optical-electrical composite connector, including a main body 1, a ferrule assembly 2 and a conductive member 3, where the main body 1 is provided with an accommodating cavity 11 and a sleeve 12 communicated with one end of the accommodating cavity 11; the ferrule assembly 2 is arranged in the accommodating cavity 11, and one end of the ferrule assembly is inserted into the sleeve 12; the conductive piece 3 is arranged on the side wall of the main body 1; an electric contact terminal 31 extends from one end of the conductive member 3 toward the sleeve 12, the electric contact terminal 31 is disposed on the wall of the sleeve 12 and extends into the sleeve 12 through the opening 121 for electrically connecting the adapter 9; the other end of the conductive member 3 extends to a direction away from the sleeve 12 to form a connection terminal 32 for electrically connecting the cable 10.

Referring to fig. 7, in some preferred embodiments of the present invention, the conductive members 3 are sheet-shaped structures including a first conductive member 3 and a second conductive member 3.

Referring to fig. 4, in some preferred embodiments of the present invention, an end of the main body 1 away from the sleeve 12 is sequentially provided with an optical fiber accommodating portion 4 for passing an optical fiber 102 and an electric wire accommodating portion 5 for passing an electric power supply line 101. Specifically, the optical fiber 102 extends into the inner bore of the ferrule 21 through the fiber receiving portion 4; the electric wire 101 extends to the connection terminal 32 through the electric wire housing portion 5 to form an electric connection, wherein the connection terminal 32 is located at the electric wire housing portion 5. It should be noted that the connection terminals 32 may be located on other areas of the main body 1, such as the side walls of the main body 1 in the middle or front area of the main body 1, in which case the wires 101 need only be extended to the connection terminals 32 along the side walls of the main body 1.

In addition, the optical fiber accommodating part 4 is formed by surrounding the side wall of the main body 1; the electric wire housing portion 5 is constituted by a groove body opened on the side wall of the main body 1.

Further, the wire accommodating portion 5 is provided on both sides of the optical fiber accommodating portion 4.

Further, the connection terminal 32 is located on the outer surface of the side wall of the main body 1 constituting the wire housing portion 5.

Further, the conductive member 3 between the contact terminal 31 and the connection terminal 32 extends along the sidewall of the body 1. Alternative ways include, but are not limited to, at least part of the conductive member 3 extending along the outer surface of the sidewall of the main body 1, or at least part of the conductive member 3 extending along the inner surface of the sidewall of the main body 1.

Referring to fig. 4 and 5, in some preferred embodiments of the present invention, the clamping portion 6 further includes a clamping block 61, and the placing portion 62 is connected to the wire accommodating portion 5, and the clamping block 61 is disposed in the placing portion 62. Specifically, the optical fiber accommodating portion 4 and the electric wire accommodating portion 5 are located between the front portion of the connector body 1 and the clamping portion 6. In use, the cable 10 is clamped in the clamping portion 6, the optical fibers in the cable 10 extend out of the clamping portion 6 and through the fiber receiving portion 4 into the inner bore of the ferrule 21, and the wires 101 in the cable 10 extend out of the clamping portion 6 and through the wire receiving portion 5 onto the connection terminals 32 to form an electrical connection.

Referring to fig. 6, in some preferred embodiments of the present invention, the side wall of the main body 1 is provided with a slit portion 7, and the side wall of the main body is provided with a notch communicated with the slit portion; the conductive piece 3 is disposed in the gap portion 7, and two ends of the conductive piece extend out of the gap portion 7 through the gaps respectively. Specifically, at least a part of the conductive member 3 extends along the slit portion 7. The electric shock terminal 31 is arranged on the outer side of the pipe wall of the sleeve of the connector main body 1, the conductive piece 3 extends to the rear part of the connector main body 1 along the outer surface of the side wall of the main body 1, the gap part 7 and the outer surface of the side wall of the main body 1 in sequence, wherein the conductive piece 3 can extend from the gap part 7 to the inner surface or the outer surface of the side wall of the main body 1 or from the inner surface of the side wall of the main body 1 to the outer surface of the side wall of the main body 1 through a gap.

Referring to fig. 4, in some preferred embodiments of the present invention, the sidewall of the main body 1 is provided with a protrusion 13, and the conductive member 3 is provided with a locking hole 33 engaged with the protrusion 13. Specifically, the conductive member 3 can be better fixed on the connector body 1 by the cooperation of the locking hole 33 and the bump 13; of course, the side wall of the main body 1 may be provided with a clipping hole 33, and the conductive member 3 may be provided with a bump matching with the clipping hole 33.

Referring to fig. 4, in some preferred embodiments of the present invention, a limit block 14 is disposed on a sidewall of the main body 1, and is used for limiting the conductive sheet from moving. Specifically, the stopper 14 is used to restrict the conductive member 3 from falling off from the assembly direction after being assembled to the connector body 1. The stopper 14 has an inclined surface to facilitate assembly of the conductive member 3.

Referring to fig. 8, in some preferred embodiments of the present invention, the sleeve 12 is provided with an opening 121, and the contact terminal 31 extends into the sleeve 12 through the opening 121.

In some preferred embodiments of the present invention, the end of the contact terminal 31 is provided with a rounded transition portion 311.

Specifically, in order to make the electric contact terminal 31 and the conductive terminal 94 of the adapter 9 have a pre-tightening fitting force when being electrically connected; the contact terminals 31 include electrical contact portions that extend closer to the center of the cavity of the connector body 1 than the conductive terminals 94, so that the presence of the rounded transition portions 311 allows the connector to be inserted into the adapter 9 more easily.

Further, the rounded transition portion 311 may be formed by rounding the end of the contact terminal 31, or by bending the contact terminal upward.

In some preferred embodiments of the present invention, the contact terminal 31 may also be attached to the inner surface of the wall of the sleeve of the main body 1 and extend to protrude from the inner surface of the wall of the sleeve.

Referring to fig. 9, in some preferred embodiments of the present invention, the rear cover 8 is further included, the rear cover 8 is covered on the main body 1, the rear cover 8 is provided with an access port 81, a guide surface 83 and a pressing surface 82, the pressing surface 82 is provided on an inner wall of the rear cover 8, one end of the guide surface 83 is connected to the pressing surface 82, and the other end thereof extends obliquely to the access port 81. Specifically, the rear cover 8 is a rear cover 8 with a U-shaped cross section surrounded by three cover walls. The rear cover 8 covers the outer surface of the rear part of the connector body 1, and a guide surface 83 and a pressing surface 82 are provided on the inner side of the cover wall at positions corresponding to the connection terminals 32. The guide surface 83 is provided on the side close to the inlet 81 and is formed in a slope structure inclined toward the opening 121 of the rear cover 8 toward the outside of the cover wall; the pressing surface 82 is provided on the side away from the opening 121 of the rear cover 8. The guide surface 83 allows the covering process of the rear cover 8 to be smoothly performed in the process of covering the rear cover 8 on the outer surface of the rear portion of the connector body 1 after the connection terminal 32 is electrically connected to the electric wire 101; when the covering process is completed, the pressing surface 82 can form a pressing force on the electric connection area of the connection terminal 32 and the electric wire 101, so as to ensure that the electric connection is normal.

Referring to fig. 10, in some preferred embodiments of the present invention, the ferrule assembly 2 includes:

a ferrule 21; an optical fiber cavity for accommodating an optical fiber is arranged in the ferrule; the ferrule is provided with a groove part which is sunken towards the direction of the optical fiber cavity;

the tail seat 22, the tail seat 22 is sleeved on the ferrule 21, and the tail seat 22 is provided with a window part exposing the groove part;

the embedded optical fiber is inserted into the optical fiber cavity;

the pressing block 23 is arranged in the window part, and the pressing block 23 is abutted against the groove part;

the lock catch 24 is slidably sleeved on the tailstock 22 and used for locking or releasing the pressing block 23.

Further, the main body 1 has a main body 1 windowing part penetrating through the side wall of the main body 1, so that the lock catch 24 is exposed out of the main body 1 windowing part; the optical-electrical composite connector further comprises a front sleeve 15, the front sleeve 15 is sleeved on the outer surface of the main body 1, and the front sleeve 15 has a push-clamp coordination opening 121 penetrating through the wall of the front sleeve 15, so that the lock catch 24 is exposed out of the push-clamp coordination opening 121, so that a locking tool such as a push clamp can push the lock catch 24 by matching the push-clamp coordination opening 121 with the lock catch 24.

Referring to fig. 3, further, the surface of the accommodating cavity 11 has a limiting boss, the end of the tailstock 22 has a limiting hook, and the limiting boss and the limiting hook form a snap fit to limit the movement of the ferrule assembly 2 toward the front of the connector body 1. The ferrule assembly 2 further comprises a spring sleeved on the outer surface of the tail end of the tailstock 22, and two ends of the spring are respectively abutted against the tailstock 22 and the limiting boss, so that the ferrule assembly 2 is limited to move towards the rear direction of the connector body 1.

Referring to fig. 11 to 14, a device according to a preferred embodiment of the present invention further includes an adaptor 9, a cable 10, and the optical electrical composite connector as described above, where the adaptor 9 includes a housing 91, a sleeve seat 92, a sleeve 93, and a conductive terminal 94, the sleeve seat 92 is disposed in the housing 91, the sleeve 93 is disposed in the sleeve seat 92, and the conductive terminal 94 is inserted into the sleeve seat 92; the cable 10 includes an electric wire 101 and an optical fiber 102, the optical electrical composite connector is inserted into the housing 91, the sleeve is sleeved on one end of the ferrule assembly 2, and the conductive terminal 94 abuts against the electric shock terminal 31; the optical fiber 102 is connected to the ferrule assembly 2, and the electric wire 101 abuts against the connection terminal 32.

Specifically, the sleeve holder 92 includes a plate-shaped base, and a sleeve insertion tube 921 formed on a surface of the base and extending outward. The sleeve cannula 921 includes a through cavity surrounded by a tube wall and running through the base. The conductive terminals 94 are disposed on the outer surface of the wall of the sleeve insertion tube 921, and when the adapter 9 and the connector are plugged together, the contact terminals 31 and the conductive terminals 94 are abutted to each other to form an electrical connection.

Referring to fig. 13, further, when the adapter 9 and the connector are just connected, the conductive terminals 94 in the adapter 9 do not abut against the contact terminals 31, and as the connector is gradually inserted into the adapter 9, the conductive terminals 94 start to abut against the contact terminals 31, and due to the existence of the smooth transition portions 311 and the certain deformation capability of the contact terminals 31, the connector can be smoothly inserted into the adapter without being affected by the contact of the contact terminals 31 against the conductive terminals 94; when the connector is completely connected with the adapter 9, the top surface of the conductive terminal 94 and the bottom surface of the contact terminal 31 are pressed against each other, and the contact terminal 31 is pressed against the conductive terminal 94, so that the connection stability is ensured.

Further, the conductive terminals 94 include a first conductive terminal 94 and a second conductive terminal 94 that are electrically isolated from each other. The conductive terminal 94 may be formed by forming a conductive terminal 94 receiving groove in the wall of the insertion tube 921 of the sleeve 93, and disposing a conductive material in the receiving groove.

Further, the sleeve mount 92 further comprises a cantilever snap 922 located on the same side of the base as the cannula 921 of the sleeve 93. The cantilever hook 922 is formed on a surface of the base and extends outward, and a hook structure is formed at the end. When the adapter 9 and the connector are plugged, the cantilever hook 922 can be clamped with the clamping part of the connector to prevent the connector from being separated from the adapter 9. Generally, the cannula 921 is centered on the base and the cantilever snaps 922 are symmetrically located on either side.

Further, the adaptor 9 has a first sleeve seat 92 and a second sleeve seat 92, and the two sleeve seats 92 are mutually matched through the other surface of the base where the sleeve 921 of the sleeve 93 is not formed. The sleeve 93 is inserted into the two sleeve seats 92.

Further, the first conductive terminals 94 of the two sets of socket bases 92 are electrically connected to each other, and the second conductive terminals 94 are electrically connected to each other.

Based on the above scheme, the working principle of the device of the preferred embodiment of the present invention is as follows: the cable 10 is clamped in the clamping part 6, and the optical fiber 102 in the cable 10 extends out of the clamping part 6, extends into the inner hole of the ferrule 21 through the optical fiber accommodating part 4 and is connected with the embedded optical fiber; the electric wire 101 in the cable 10 extends out of the clamping part 6 and is electrically connected to the electric wire 101 connecting terminal 32 through the electric wire 101 accommodating part 5; the optoelectric composite connector is directly inserted into the housing 91, the sleeve 93 is inserted into the sleeve 12 and sleeved on one end of the ferrule assembly 2, and the conductive terminal 94 abuts against the electric shock terminal 31 to realize electric connection.

In summary, the preferred embodiment of the present invention provides an optical-electrical composite connector, which is compared with the prior art:

according to the utility model, the conductive piece 3 is arranged on the side wall of the main body 1 and extends towards the two ends of the main body 1, the electric shock terminal 31 and the connecting terminal 32 are respectively arranged, the electric shock terminal 31 can be connected with the adapter 9, the connecting terminal 32 can be connected with the cable 10, and the embedded optical fiber is arranged in the inserting core assembly 2 and is connected with the optical fiber 102 of the cable 10, so that optical and electric connection transmission is realized, the volume and the number of connectors are not required to be increased, the operation is greatly simplified, and the optical and electric connection type optical cable can be used in some small-sized application scenes.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. An optoelectric composite connector for connecting an adapter to a cable; it is characterized by comprising:

the device comprises a main body and a clamping device, wherein the main body is provided with an accommodating cavity and a sleeve communicated with one end of the accommodating cavity;

The ferrule assembly is arranged in the accommodating cavity, and one end of the ferrule assembly is inserted into the sleeve;

the conductive piece is arranged on the side wall of the main body; one end of the conductive piece extends towards the sleeve to form an electric shock terminal, and the electric shock terminal is arranged on the pipe wall of the sleeve, extends into the sleeve and is used for electrically connecting the adapter; and a connecting terminal extends towards the direction far away from the sleeve from the other end of the conductive piece and is used for electrically connecting the cable.

2. The optoelectrical composite connector of claim 1, wherein: the conductive piece is of a sheet structure and comprises a first conductive piece and a second conductive piece.

3. The optoelectrical composite connector of claim 1, wherein: and one end of the main body, which is far away from the sleeve, is sequentially provided with an optical fiber accommodating part for the optical fiber to pass through and an electric wire accommodating part for the electric wire to pass through.

4. The optoelectrical composite connector of claim 3, wherein: still include the clamping part, the clamping part includes grip block and carrying portion, carrying portion connects the electric wire holding portion, the grip block set up in carrying portion.

5. The optoelectrical composite connector of claim 1, wherein: the side wall of the main body is provided with a gap part; part of the conductive piece extends to the gap part.

6. The optoelectrical composite connector of claim 1, wherein: the lateral wall of main part is provided with the lug, electrically conductive piece be provided with in lug complex card hole.

7. The optoelectrical composite connector of claim 1, wherein: an opening is formed in the pipe wall of the sleeve, and the electric shock terminal extends into the sleeve through the opening.

8. The optoelectrical composite connector of claim 1, wherein: and the tail end of the electric shock terminal is provided with a smooth transition part.

9. The optoelectrical composite connector of claim 1, wherein: still include the back lid, back lid is located the main part, the back lid is provided with inserts mouth, guide face and compresses tightly the face, compress tightly the face set up in the inner wall of back lid, the one end of guide face is connected compress tightly the face, its other end slope extends to insert the mouth.

10. An apparatus, characterized by: the photoelectric composite connector comprises an adapter, a cable and the photoelectric composite connector as claimed in any one of claims 1 to 9, wherein the adapter comprises a shell, a sleeve seat, a sleeve and a conductive terminal, the sleeve seat is arranged in the shell, the sleeve is arranged on the sleeve seat, and the conductive terminal is inserted into the sleeve seat; the cable comprises an electric wire and an optical fiber, the photoelectric composite connector is inserted into the shell, one end of the ferrule assembly is sleeved with the sleeve, and the conductive terminal is abutted to the electric shock terminal; the optical fiber is connected with the inserting core assembly, and the electric wire is abutted to the connecting terminal.