CN-122018090-A - Photoelectric mixed-loading adapter

CN122018090ACN 122018090 ACN122018090 ACN 122018090ACN-122018090-A

Abstract

The invention relates to a photoelectric mixed-mounting adapter which comprises an outer shell, an inner shell, conductive terminals and a sleeve, wherein the outer shell is of an integrated structure, a channel penetrating through two ends of the outer shell is arranged in the outer shell, a tube cavity for accommodating the sleeve is arranged in the channel, a strip-shaped groove penetrating through the side wall of the outer shell is arranged on the side face of the outer shell, the inner shell is of an integrated structure and is arranged in the channel, a bidirectional axial limiting structure is arranged between the inner shell and the outer shell so as to realize bidirectional axial limiting of the inner shell, gaps for mounting the conductive terminals are formed between two opposite sides of the inner shell and the inner wall of the outer shell, the gaps are aligned and communicated with the strip-shaped groove, the conductive terminals are arranged in the gaps through the strip-shaped groove, and pins of the conductive terminals extend out of the strip-shaped groove. The invention can simplify the structure of the photoelectric hybrid adapter, enhance the strength of the outer shell and the inner shell, and is beneficial to quick assembly.

Inventors

WU XUESHUN
ZHAO JI
TIAN BINGBING
CHEN GANG
LI JING

Assignees

中航光电科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260121

Claims (12)

1. The photoelectric mixed adapter comprises an outer shell (1), an inner shell (2), a conductive terminal (3) and a sleeve (4), and is characterized in that the outer shell (1) is of an integrated structure, a channel (5) penetrating through two ends of the outer shell (1) is arranged in the outer shell, a pipe cavity for accommodating the sleeve (4) is arranged in the channel (5), and a strip-shaped groove (21) penetrating through the side wall of the outer shell (1) is formed in the side surface of the outer shell (1); The inner shell (2) is of an integrated structure, is arranged in the channel (5), and is provided with a bidirectional axial limiting structure with the outer shell (1) so as to realize bidirectional axial limiting of the inner shell (2), and a gap for installing the conductive terminal (3) is formed between the opposite sides of the inner shell (2) and the inner wall of the outer shell (1), and is aligned and communicated with the strip-shaped groove (21); The conductive terminal (3) is inserted into the slot through the strip-shaped groove (21), and the pin (19) of the conductive terminal (3) protrudes out of the strip-shaped groove (21).
2. The photoelectric hybrid adapter according to claim 1, wherein a first sleeve (6) extending axially is arranged in the outer shell (1), the first sleeve (6) is connected with the inner wall of the outer shell (1) through a connecting part (7), two ends of the first sleeve (6) are opened, the inner shell (2) comprises an inner shell main body (8) and a second sleeve (12) arranged on one side surface of the inner shell main body (8), two ends of the second sleeve (12) are opened, and after the inner shell (2) is assembled into the outer shell (1), the second sleeve (12) is communicated with the first sleeve (6) to form a tube cavity for accommodating the sleeve (4).
3. The photoelectric hybrid adapter according to claim 2, wherein the end of the first sleeve (6) far from the connecting part (7) is a necking end, the end connected with the connecting part (7) is a straight barrel end, the end of the second sleeve (12) far from the inner shell main body (8) is a necking end, the end connected with the inner shell main body (8) is a straight barrel end, the caliber of the necking end is smaller than that of the straight barrel end, and the sleeve (4) is arranged in the corresponding sleeve through the straight barrel end.
4. The optoelectric hybrid adapter of claim 2, wherein the bidirectional axial limiting structure comprises a stop mating structure of the connecting portion (7) and the inner housing body (8) and a convex-concave mating structure, wherein a limiting direction of the stop mating structure is the same as a loading direction of the inner housing (2), and a limiting direction of the convex-concave mating structure is opposite to the loading direction of the inner housing (2).
5. The optoelectric hybrid adapter of claim 4, wherein the male-female mating structure includes a male-female mating recess (11) and a protrusion (15), the recess (11) is provided on the inner housing body (8), the protrusion (15) is provided on an inner wall of the outer housing body (1), or the recess (11) is provided on an inner wall of the outer housing body (1), the protrusion (15) is provided on the inner housing body (8).
6. The optoelectric hybrid adapter of claim 5, wherein a socket at one end of the outer case (1) is used as a mounting opening for mounting the inner case (2), and a guiding slope (16) is provided on a side of the protruding portion (15) facing the mounting opening, for guiding a protruding structure in front of the recessed portion (11) over the protruding portion (15) so that the protruding portion (15) falls into the recessed portion (11).
7. The photoelectric hybrid adapter according to claim 1, wherein the inner housing (2) comprises an inner housing main body (8), a first sleeve (6) and a second sleeve (12) are coaxially arranged on two opposite side surfaces of the inner housing main body (8), the first sleeve (6) and the second sleeve (12) are mutually communicated to form a tube cavity for accommodating the sleeve (4), a plurality of cantilever claws (22) distributed at intervals along the circumferential direction are arranged at the end part, far away from the inner housing main body (8), of the first sleeve (6) and/or the second sleeve (12), and the plurality of cantilever claws (22) enclose a reducing mouth with a variable caliber.
8. The optoelectric hybrid adapter of claim 7 wherein the bi-directional axial stop structure comprises a male-female mating groove structure and a male structure (25); A left limit protrusion (23) and a right limit protrusion (24) are axially arranged on the inner wall of the outer shell (1) at intervals, and a groove structure is formed between the left limit protrusion (23) and the right limit protrusion (24); The protruding structure (25) is arranged on the inner shell main body (8) of the inner shell (2); the protruding structure (25) of the inner shell (2) is clamped into the groove structure to limit the inner shell (2) in two axial directions.
9. The optoelectric hybrid adapter of claim 8, wherein a socket at one end of the outer case (1) is used as a mounting opening for mounting the inner case (2), and a guiding inclined surface (16) is provided on a side of a limit projection facing the mounting opening among the left limit projection (23) and the right limit projection (24) for guiding the projection structure (25) to pass over the corresponding limit projection.
10. The optoelectric hybrid adapter of claim 7 wherein the bi-directional axial stop structure comprises a male-female mating female structure (26) and a male structure (25), the female structure (26) being disposed on an inner wall of the outer housing (1), the male structure (25) being disposed on an inner housing body (8) of the inner housing (2), or the female structure (26) being disposed on an inner housing body (8) of the inner housing (2), the male structure (25) being disposed on an inner wall of the outer housing (1).
11. The optoelectric hybrid adapter of claim 1, wherein the strip-shaped groove (21) is provided on the lower surface of the outer case (1), the strip-shaped groove (21) is a profiling groove which is in shape fit with the conductive terminal (3), and the mounting direction of the conductive terminal (3) is perpendicular to the axial direction of the optoelectric hybrid adapter.
12. The optoelectric hybrid adapter of claim 1, wherein the lower surface of the outer case (1) is provided with the strip-shaped groove (21), the strip-shaped groove (21) extends toward one end of the outer case (1) and opens to the end face, and the mounting direction of the conductive terminal (3) is parallel to the axial direction of the optoelectric hybrid adapter.

Description

Photoelectric mixed-loading adapter Technical Field The invention belongs to the technical field of photoelectric connectors, and particularly relates to a photoelectric mixed adapter. Background With the continuous development and promotion of double giga of 5G and F5G networks, the hot spot application scene demands of the optical access application technology of about 100 meters, namely, all-optical parks (POL, passive Optical LAN), all-optical families (FTTR, fiber to the room) and the like, are becoming more popular, the demands of introducing terminal low-power terminal scenes (less than or equal to 100W) such as optical fiber to a desktop, optical fiber to a camera, optical fiber to AP and the like are not enumerated, and the scene from the optical fiber to the introducing terminal will construct a foundation pipeline base for high-speed and timely communication in the intelligent era, so that the requirements of mass information and high-quality bandwidth in the intelligent era are ensured. The photoelectric hybrid movable connector can complete data transmission through one optical fiber, and simultaneously adopts a pair of electric conductors to transmit electric energy, so that the data transmission and power supply are integrated, the circuit connection is more convenient and quick, and the photoelectric hybrid movable connector becomes an important solution for introducing the optical fiber into a peripheral scene. In the photoelectric mixed connector and the photoelectric adapter disclosed in application publication No. CN 113917626A, the photoelectric adapter product assembling structure has two forms, namely, the first form is a symmetrical assembling structure, the inner cavities assembled by the two inner shells are used for accommodating ceramic sleeves, the two outer shells are assembled from two sides for accommodating and fixing the inner shells and the conductive terminals, the second form is that the outer shells are changed into a skylight structure, and the inner shells and the conductive terminals are assembled from the skylight and then are assembled and fixed by an upper cover. The above structure has the following defects: (1) The outer shell is of a two-body structure, the middle parts of the outer shell are connected through ultrasonic welding, the connection is unstable, and the outer shell is easy to crack and separate; (2) The inner shells are of two-body structures, the two inner shells are not fixedly connected, the two inner shells are only fixed together through the extrusion of the outer shell, the thickness of the middle connecting part of the cantilevers at the two sides is thin, and when the adapter is in butt joint with the plug, the middle connecting part is easy to deform and damage when the cantilevers are opened; (3) The pins at the bottom of the conductive terminal are exposed from the bottom of the shell, and when the shell body is assembled from two sides, the grooves at the bottom for exposing the pins are not aligned and are easy to push and warp the pins; (4) The number of the parts of the product is large, the assembly structure is complex, and the cost is high. Disclosure of Invention In order to solve the defects in the prior art, the invention provides the photoelectric mixed adapter, wherein the inner shell and the outer shell are of an integrated structure, the strength of a single part is enhanced, and the conductive terminal is only required to be inserted from the side surface of the outer shell during assembly, so that the assembly is more convenient. In order to achieve the purpose, the technical scheme adopted by the invention is that the photoelectric mixed adapter comprises an outer shell, an inner shell, a conductive terminal and a sleeve, wherein the outer shell is of an integrated structure, a channel penetrating through two ends of the outer shell is arranged in the outer shell, a tube cavity for accommodating the sleeve is arranged in the channel, and a strip-shaped groove penetrating through the side wall of the outer shell is arranged on the side surface of the outer shell; The inner shell is of an integrated structure, is arranged in the channel, and is provided with a bidirectional axial limiting structure with the outer shell so as to realize bidirectional axial limiting of the inner shell, and a gap for installing the conductive terminal is formed between the opposite sides of the inner shell and the inner wall of the outer shell, and is aligned and communicated with the strip-shaped groove; The conductive terminals are fitted into the slits through the strip-shaped grooves, and the pins of the conductive terminals protrude from the strip-shaped grooves. The adapter has the beneficial effects that the outer shell and the inner shell are of an integrated structure, the number of parts of the whole adapter is reduced, the strength of the outer shell and the inner shell is enhanced, and in addition, the conductive terminals are only