CN215599413U - Active optical fiber cable connector structure for inner and outer mold injection molding and prepared cable - Google Patents
Active optical fiber cable connector structure for inner and outer mold injection molding and prepared cable Download PDFInfo
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- CN215599413U CN215599413U CN202120332140.4U CN202120332140U CN215599413U CN 215599413 U CN215599413 U CN 215599413U CN 202120332140 U CN202120332140 U CN 202120332140U CN 215599413 U CN215599413 U CN 215599413U
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Abstract
An active optical fiber cable connector structure for internal and external mold injection molding and a prepared cable, wherein the cable connector structure comprises a PCBA, and an active optical fiber coupling device is arranged in a COB area of the PCBA; the protection cover of the active optical fiber coupling device is arranged on the upper surface of the active optical fiber coupling device, the inner shell is arranged on the outermost side, the main body of the inner shell is fixed with the PCBA, the tail part of the inner shell is fixed with the cable, the side edge of the PCBA is provided with a side edge wing structure, the side edge of the inner shell is provided with a side edge groove, and the side edge wing structure is inserted into or supported in the side edge groove 7 of the inner shell; the inner shell has a fenestration. The utility model has compact structure and high reliability, is beneficial to the subsequent design of the active optical fiber connecting wire joint with smaller size and beautiful appearance, and realizes the injection molding of the inner/outer die of the active optical fiber cable joint.
Description
Technical Field
The utility model relates to the technical field of optical fiber connecting wires, in particular to a structure of an active optical fiber cable connector used for an inner and outer mold injection molding process and an active optical fiber cable prepared by using the structure.
Background
The inner/outer mold injection molding process is common in the manufacturing process of the traditional copper wire connector, the process is low in manufacturing cost and small in structural head size, PCBA in the connector after injection molding is effectively isolated from the external environment by injection molding glue, and the reliability of the connector is high.
At present, people have higher and higher requirements on the transmission rate and the transmission distance of communication signals, and the traditional copper wire is more and more difficult to meet the requirements of people. Compared with the traditional copper wire, the optical fiber connecting wire has great advantages in various aspects such as data transmission rate, transmission distance, electromagnetic interference resistance and the like. Contain optical device and electron device on the inside PCBA of optical fiber connecting wire joint, the structure is more complicated than traditional copper line, and the most crucial is that optical device assembles the dimensional accuracy and requires highly, receives external force to influence yielding, and optical device's deformation can directly influence the performance of active optical fiber cable. Therefore, the structure of the active optical fiber cable connector at present mostly adopts a structure form of 'shell assembly', the structure form can avoid influencing the dimensional accuracy of an optical area of the PCBA in the assembly process, but the structure form has poor sealing performance, unstable structure, poor reliability and higher cost compared with an internal/external mold injection molding structure form, and the size of the wire connector is difficult to realize miniaturization.
In order to improve the sealing performance, reliability and stability of the source optical fiber cable connector and realize the miniaturization of the connector size, an active optical fiber cable connector structure capable of being used for an inner/outer mold injection molding process is urgently needed, the problem of inner/outer mold injection molding of the active optical fiber cable connector is solved, and a corresponding active optical fiber cable is prepared by using the structure.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the conventional source optical fiber cable connector structure scheme, the utility model designs an active optical fiber cable connector structure which can be used for an internal and external mold injection molding process. This scheme equipment is convenient, and compact structure can satisfy the demand that active fiber cable connector carries out interior outer mould and moulds plastics, makes the size of cable joint more miniaturized, the structural reliability of joint higher.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an active fiber cable connector structure that can be used to interior external mold and mould plastics which characterized in that includes:
the device comprises a PCBA, an inner shell, an active optical fiber coupling device protective cover and a cable;
the active optical fiber coupling device is arranged in a COB area of the PCBA;
the cable comprises an optical fiber and a copper wire (a hybrid cable) or only comprises the optical fiber (a pure optical cable), wherein the optical fiber is inserted into the active optical fiber coupling device and positioned at a corresponding hole position, and if the cable is the hybrid cable, the copper wire is welded on a corresponding pad of the PCBA;
the active optical fiber coupling device protection cover is installed on the upper surface of the active optical fiber coupling device, the inner shell is arranged on the outermost side, the main body of the inner shell is fixed with the PCBA, and the tail portion of the inner shell is fixed with the cable.
Optionally, the side of the PCBA has side wing structures, the side of the inner shell has side slots, and the side wing structures are inserted or supported in the side slots 7 of the inner shell.
Optionally, the inner shell has a fenestration.
Optionally, the active optical fiber coupling device protective cover is fixed to the active optical fiber coupling device.
The connector arrangement includes one or more of:
the active optical fiber coupling device is adhered to a COB area on the PCBA; the side wing structure is a protruding structure similar to a triangle, a rectangle or a trapezoid;
the cable comprises a hybrid cable of copper wires soldered to pads corresponding to the PCBA.
Optionally, the tail of the inner shell clamps the outer cover of the cable through a riveting structure, and the main body of the inner shell is fixed to the PCBA.
Optionally, the inner side of the inner shell is sprayed with insulating paint.
Optionally, the inner shell is a left-right mounting structure, or an up-down mounting structure.
Optionally, the windowing structure is located above the active fiber coupling device region.
An active fiber optic cable, comprising: the active optical fiber cable connector structure comprises an active optical fiber cable connector and a cable connected with the active optical fiber cable connector, wherein the active optical fiber cable connector is obtained by sequentially carrying out internal mold injection molding and external mold injection molding by utilizing the active optical fiber cable connector structure.
In conclusion, the utility model has compact structure and high reliability, is beneficial to designing the active optical fiber connecting line joint with smaller size and beautiful appearance in the follow-up process, realizes the injection molding of the inner/outer die of the active optical fiber cable joint, and has the following characteristics:
1. the protective cover of the active optical fiber coupling device is arranged on the active optical fiber coupling device, so that injection molding plastic materials can be effectively prevented from entering the active optical fiber coupling device in the injection molding process, and the product has poor functions;
2. the wing structure on the PCBA is assembled with the side edge groove on the inner shell, the structure is compact, the reliability is high, and the PCBA can be effectively fixed and supported;
3. the inner shell above the active optical fiber coupling device area is designed with a windowing structure, and the windowing structure can play a role in releasing residual stress of inner/outer mold injection molding and prevent the injection residual stress from influencing the size of the active optical fiber coupling device so as to influence the function of a product.
Drawings
FIG. 1 is an exploded view of an active fiber optic cable connector configuration that may be used with inner and outer mold injection molding in accordance with a first embodiment of the present invention;
FIG. 2 is a view of the completed assembly of the inner housing of an active fiber optic cable connector configuration that may be used in an inside-outside mold injection molding according to the first embodiment of the present invention;
FIG. 3 is an exploded view of an active fiber optic cable connector configuration that may be used with inner and outer mold injection molding in accordance with a second embodiment of the present invention;
FIG. 4 is a view of the completed assembly of the inner housing of an active fiber optic cable connector configuration that may be used in an inside-outside mold injection molding according to a second embodiment of the present invention;
FIG. 5 is a diagram of a completed post-inner mold injection molding half of an active fiber optic cable connector structure that may be used in an inner and outer mold injection molding process according to a first embodiment of the present invention;
FIG. 6 is a diagram of a completed overmolded part of an active optical fiber cable connector structure that may be used in the inner and outer mold injection molding according to a first embodiment of the present invention;
FIG. 7 is a diagram of a second completed end product after inner mold injection molding of an active optical fiber cable connector structure that may be used in an inner and outer mold injection molding process according to a second embodiment of the present invention;
fig. 8 is a diagram of a completed external mold injection molding structure of an active optical fiber cable connector structure according to a second embodiment of the present invention.
The reference numerals in the drawings respectively refer to the technical features:
1. PCBA; 2. an optical fiber; 3. an inner shell; 4. an active fiber coupling device; 5. an active optical fiber coupling device protective cover; 6. a cable; 7. grooving the side edge; 8. a side wing structure; 9. An inner mold; 10. an outer mold; 11. a windowing structure; 12. riveting the structure; 13. copper wire.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Referring to fig. 1-4, there are shown views of an active fiber optic cable connector configuration that may be used in an inside-outside mold injection molding process according to a first embodiment of the present invention;
wherein, fig. 1 and fig. 2 correspond to a first embodiment in which the inner shell is a left-right mounting structure; fig. 3 and 4 correspond to a second embodiment in which the inner shell is an up-and-down mounting structure.
An active optical fiber cable connector structure for internal and external mold injection molding comprises a PCBA1 (printed circuit board assembly), an inner shell 3, an active optical fiber coupling device 4, an active optical fiber coupling device protective cover 5 and a cable 6.
The active optical fiber coupling device 4 is arranged in a COB area (Chip On Board) of the PCBA 1;
the cable 6 may comprise only optical fibers 2. the optical fibers 2 are inserted into corresponding holes of the active fiber-optic coupling device 4 and fixed.
Further, the cable may also be a hybrid cable including an optical fiber 2 and copper wires 13, and the copper wires 13 are soldered to corresponding pads of the PCBA 1;
active fiber coupling device safety cover 5 is installed in active fiber coupling device 4 upper surface, and inner shell 3 sets up in the outside, the main part of inner shell 3 is fixed with PCBA1, the afterbody with cable 6 is fixed.
Therefore, the active optical fiber coupler protective cover 5 is arranged on the upper surface of the active optical fiber coupler 4, and the protective cover can play a role in reinforcing the active optical fiber coupler and preventing injection molding glue from entering the active optical fiber coupler.
In an alternative embodiment, the active fiber coupling device protection cover 5 is fixed with the active fiber coupling device 4 through a hook structure.
Further, the sides of PCBA1 have side wing structures 8, the sides of inner shell 3 have side slots 7, and side wing structures 8 can be inserted or supported in side slots 7 of the inner shell.
In an alternative embodiment, the side wing structures 8 may be protruding structures that approximate a triangle, rectangle or trapezoid.
PCBA with reliable fixed and accurate positioning are realized through the mutual assembly of "wing structure" and fluting to the inner shell, avoid the pressure of moulding plastics to lead to PCBA to shift or warp.
In one particular embodiment, the active fiber-coupling device 4 is attached to the COB area on the PCBA 1.
In another embodiment, the tail of the inner housing 3 is clamped to the outer cover of the cable 6 by a crimping structure 12, such as a male-female tail clamp structure. The main body of inner shell 3 is secured to PCBA 1.
The inside spraying of inner shell 3 has insulating varnish, prevents that the device or the copper line pad on inner shell 3 and PCBA1 from short circuit after the equipment.
The inner shell 3 is provided with a windowing structure 11 at a position above the active optical fiber coupling device area 4, and the windowing structure 11 can play a role in releasing residual stress of injection molding of the inner/outer molds, so that the injection molding residual stress is prevented from influencing the size of the active optical fiber coupling device, and further the function of a product is influenced.
Wherein the inner shell 3 can be a left-right mounting structure or an up-down mounting structure. Of course, the utility model is not limited thereto.
Those skilled in the art will appreciate that in the first embodiment, the PCBA corresponds to an embodiment of the connector structure with a connector, and in the second embodiment, the PCBA does not have a connector, and corresponds to an embodiment that functions as a relay. Of course, in the first embodiment with connector of the present invention, the inner housing may also adopt a vertical mounting structure, and in the second embodiment with relay function, the inner housing may also adopt a horizontal mounting structure.
Referring to fig. 5 and 6, after the first embodiment of the present invention, that is, the active optical fiber cable connector structure with a connector that can be used for inner and outer mold injection molding is completed, the connector structure may be sequentially subjected to inner mold injection molding, and a semi-finished product after the inner mold is formed is subjected to outer mold injection molding, so as to prepare an active optical fiber cable connector.
Referring to fig. 7 and 8, after the second embodiment of the present invention is completed, that is, after the active optical fiber cable connector structure for internal and external mold injection molding, of which both ends are connected with cables, is completed, the connector structure may be sequentially subjected to internal mold injection molding, and then an external mold injection molding is performed on a semi-finished product after the internal mold is formed, so as to prepare an active optical fiber cable connector.
The utility model further discloses an active optical fiber cable, which comprises an active optical fiber cable connector and a cable (which can be connected with two ends of the connector or one end of the connector) connected with the active optical fiber cable connector, wherein the active optical fiber cable connector is obtained by sequentially carrying out internal mold injection molding and external mold injection molding on the active optical fiber cable connector structure.
In conclusion, the utility model has compact structure and high reliability, is beneficial to designing the active optical fiber connecting line joint with smaller size and beautiful appearance in the follow-up process, realizes the injection molding of the inner/outer die of the active optical fiber cable joint, and has the following characteristics:
1. the protective cover of the active optical fiber coupling device is arranged on the active optical fiber coupling device, so that injection molding plastic materials can be effectively prevented from entering the active optical fiber coupling device in the injection molding process, and the product has poor functions;
2. the wing structure on the PCBA is assembled with the side edge groove on the inner shell, the structure is compact, the reliability is high, and the PCBA can be effectively fixed and supported;
3. the inner shell above the active optical fiber coupling device area is designed with a windowing structure, and the windowing structure can play a role in releasing residual stress of inner/outer mold injection molding and prevent the injection residual stress from influencing the size of the active optical fiber coupling device so as to influence the function of a product.
While the utility model has been described in further detail with reference to specific preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides an active optical fiber cable connector structure for interior external mold moulds plastics which characterized in that includes:
the optical fiber coupling device comprises a printed circuit board assembly, an inner shell, an active optical fiber coupling device protective cover and a cable;
the active optical fiber coupling device is arranged in a COB area of the printed circuit board assembly;
the cable comprises an optical fiber, wherein the optical fiber is inserted into the corresponding hole position of the active optical fiber coupling device and fixed;
the protective cover of the active optical fiber coupling device is arranged on the upper surface of the active optical fiber coupling device, the inner shell is arranged on the outermost side, the main body of the inner shell is fixed with the printed circuit board assembly, and the tail part of the inner shell is fixed with the cable.
2. The active fiber optic cable connector structure of claim 1,
the side edge of the printed circuit board assembly is provided with a side edge wing structure, the side edge of the inner shell is provided with a side edge groove, and the side edge wing structure is inserted into or supported in the side edge groove of the inner shell.
3. The active fiber optic cable connector structure of claim 2,
the inner shell has a fenestration.
4. The active fiber optic cable connector structure of claim 3,
the active optical fiber coupling device protective cover is fixed with the active optical fiber coupling device.
5. The active fiber optic cable connector structure of claim 3,
the connector arrangement includes one or more of:
the active optical fiber coupling device is adhered to a COB area on the printed circuit board assembly; the side wing structure is a triangular, rectangular or trapezoidal protruding structure;
the cable is the hybrid cable including the copper line, the copper line weld in on the pad that the printed circuit board subassembly corresponds.
6. The active fiber optic cable connector structure of claim 3,
the tail part of the inner shell clamps the outer cover of the cable through a riveting structure, and the main body of the inner shell is fixed with the printed circuit board assembly.
7. The active fiber optic cable connector structure of claim 3,
and insulating paint is sprayed on the inner side of the inner shell.
8. The active fiber optic cable connector structure of claim 3,
the inner shell is of a left-right mounting structure or an upper-lower mounting structure.
9. The active fiber optic cable connector structure of claim 3,
the windowing structure is positioned above the active optical fiber coupling device area.
10. An active fiber optic cable, comprising:
the active optical fiber cable connector structure comprises an active optical fiber cable connector and a cable connected with the active optical fiber cable connector, wherein the active optical fiber cable connector is obtained by sequentially carrying out internal mold injection molding and external mold injection molding on the active optical fiber cable connector structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120332140.4U CN215599413U (en) | 2021-02-05 | 2021-02-05 | Active optical fiber cable connector structure for inner and outer mold injection molding and prepared cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120332140.4U CN215599413U (en) | 2021-02-05 | 2021-02-05 | Active optical fiber cable connector structure for inner and outer mold injection molding and prepared cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215599413U true CN215599413U (en) | 2022-01-21 |
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ID=79869251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120332140.4U Active CN215599413U (en) | 2021-02-05 | 2021-02-05 | Active optical fiber cable connector structure for inner and outer mold injection molding and prepared cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215599413U (en) |
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2021
- 2021-02-05 CN CN202120332140.4U patent/CN215599413U/en active Active
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