CN219552705U - Crimping structure, lock pin assembly and optical fiber plug assembly - Google Patents
Crimping structure, lock pin assembly and optical fiber plug assembly Download PDFInfo
- Publication number
- CN219552705U CN219552705U CN202320511889.4U CN202320511889U CN219552705U CN 219552705 U CN219552705 U CN 219552705U CN 202320511889 U CN202320511889 U CN 202320511889U CN 219552705 U CN219552705 U CN 219552705U
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- outdoor
- ferrule
- assembly
- crimping structure
- optical cable
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Abstract
The utility model provides a crimping structure, lock pin subassembly and fiber plug subassembly, crimping structure is including the pressfitting spare that is used for crimping lock pin and outdoor optical cable, and coaxial coupling pressfitting spare is equipped with the support piece that is used for arranging in the outdoor protection casing of fiber plug, and support piece is equipped with and is used for with the interior profile looks adaptation of outdoor protection casing, and can restrict pressfitting spare and twist the polygon face body in the outdoor protection casing. The utility model provides a crimping structure assembly for the lock pin and the outdoor optical cable, and the crimping structure has good torsion resistance and tensile property.
Description
Technical Field
The utility model relates to the technical field of connectors, in particular to a crimping structure, a ferrule assembly and an optical fiber plug assembly.
Background
In outdoor communications connector applications, some equipment ends use a receptacle with an optical adapter, and when mated with the receptacle with the optical adapter, the fiber optic plug assembly is in a one-step installation to mate the ferrule member with the optical adapter.
In the application of the core insert, a high mechanical protection performance is required between the core insert at the front end of the core insert and the outdoor optical cable, and the mechanical protection performance is mainly represented by tensile performance and torsion resistance performance. At present, in order to improve the mechanical protection performance of the ferrule and the outdoor optical cable, the following technical scheme is generally adopted:
(1) The lock pin is fixed with the outdoor optical cable in a crimping mode, and the lock pin is pulled to be resistant;
(2) The bonding piece is added between the inserting core and the outdoor optical cable, the bonding piece and the optical cable are fixed in a viscose mode, meanwhile, the matching structure is added between the bonding piece and the outdoor protective shell, and the tensile strength and the torsion resistance are realized through the bonding piece.
However, for the technical scheme (1), the tensile index of the ferrule is definitely specified in the related international standard, the tensile index is lower, the severe requirement on the tensile index in the outdoor application process cannot be met, in addition, the scheme cannot realize torsion-stopping protection, hidden danger is large in the outdoor application process, and for the technical scheme (2), the adhesive is fixed in an adhesive mode, the adhesive is required to be waited for curing in the production process, the curing time is generally long, and the production efficiency of the ferrule part can be influenced.
Disclosure of Invention
The utility model aims to provide a crimping structure, a ferrule assembly and an optical fiber plug assembly, which provide crimping assembly for the ferrule and an outdoor optical cable, and the crimping structure has good torsion resistance and tensile property.
The utility model adopts the technical scheme that the aim is achieved:
the utility model provides a crimping structure, is including the pressfitting piece that is used for the outdoor optical cable of crimping, coaxial coupling pressfitting piece is equipped with the support piece that is used for arranging in the outdoor protection casing of optic fibre plug, and support piece is equipped with and is used for with the interior profile looks adaptation of outdoor protection casing, and can restrict pressfitting piece and twist the polygon face body in the outdoor protection casing.
As a preferable scheme of the utility model, the polygonal surface body is provided with four sides which are used for adapting to the inner contour of the outdoor protecting shell, and arc-shaped passing sections are arranged between the adjacent sides.
As a preferable mode of the utility model, the pressure welding structure further comprises a step surface which is arranged in the outdoor protecting shell and can be in stop fit with the polygonal surface body along the axial direction of the outdoor optical cable.
The utility model provides a lock pin subassembly, includes lock pin and sets up the lock pin protective housing on the lock pin, and the lock pin protective housing is used for being equipped with the crimping structure of above-mentioned scheme with the one end of outdoor optical cable butt joint.
The optical fiber plug assembly comprises a core inserting assembly and an outdoor protection shell sleeved on the core inserting assembly, wherein the core inserting assembly is the core inserting assembly in the scheme.
The utility model has the beneficial effects that:
according to the crimping structure, the supporting piece and the pressing piece are arranged, so that the production efficiency of the optical fiber plug assembly is improved in a crimping mode, the polygonal surface body of the supporting piece is utilized to form rotation-stopping fit with the outdoor protection shell, the torsion-stopping performance of the ferrule in the optical fiber plug assembly and the outdoor optical cable is improved, the polygonal surface body is utilized to form stop fit with the step surface of the outdoor protection shell, the tensile performance of the ferrule and the outdoor optical cable is improved, and the crimping structure has good mechanical protection performance.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a fiber optic plug assembly according to an embodiment;
FIG. 2 is a schematic structural view of a ferrule assembly according to an embodiment;
fig. 3 is a schematic view of a mounting structure of a crimping structure in an optical fiber plug assembly according to an embodiment.
The marks in the figure: 1. the device comprises a ferrule assembly, a ferrule 11, a ferrule 12, a ferrule protective housing, a support piece, 1301, a polygonal surface body, 14, a pressing piece, 15, an outdoor optical cable, 3, an outdoor protective housing, 302 and a step surface.
Detailed Description
The utility model will be further described with reference to the drawings and detailed description, wherein, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
The utility model provides a concrete embodiment of a crimping structure:
referring to fig. 1 to 3, the crimping structure of the present embodiment includes a pressing member 14 and a supporting member 13, wherein the pressing member 14 is used for crimping the ferrule 11 and the outdoor optical cable 15, the pressing member 14 may be an existing general tubular pressing member, the supporting member 13 is connected with the pressing member 14 and may be used as a carrier of the pressing member 14, the pressing member 14 and the supporting member are coaxially arranged, it is understood that the supporting member 13 and the pressing member 14 may be integrally manufactured, in use, the supporting member 13 is used for being placed in the outdoor protection housing 3 of the optical fiber plug assembly, the supporting member 13 is provided with a polygonal surface body 1301, the polygonal surface body 1301 is adapted to the inner contour of the outdoor protection housing 3, and can limit the pressing member 4 from twisting in the outdoor protection housing 3, for example, when the cross section of the outdoor protection housing 3 is rectangular, the polygonal surface body 1301 is rectangular and has four sides, in particular, an arc-shaped section connection can be adopted between the adjacent sides, so that the supporting member 13 is placed in the outdoor protection housing 3.
After the supporting piece 13 and the pressing piece 14 are assembled in the outdoor protection casing 3, the rotation of the supporting piece 13 in the outdoor protection casing 3 can be limited through the polygonal surface 1301, so that the stability of the pressing piece 14 is maintained, and the torsion-preventing performance of the insert core is improved.
As described above, in the application of the core-inserting assembly, there is a need to have a higher tensile property between the core-inserting assembly and the outdoor optical cable, the existing crimping arrangement, after crimping, the tensile force applied to the outdoor optical cable 15 in the axial direction is finally transferred to the position of the core-inserting 11, and by virtue of the tensile strength of the core-inserting 11, such tensile property is generally, in order to improve the tensile property, in this embodiment, the pressing structure further includes a step surface 302 used for being arranged in the outdoor protective housing 3, the step surface 302 is used for being matched with the polygonal surface 1301 along the axial direction of the outdoor protective housing 3, in particular application, the step surface 302 and the outdoor protective housing 3 can be integrally manufactured, after the pressing member 14 is crimped on the outdoor optical cable 15, due to the matching effect of the step surface 302 and the stop of the polygonal surface 1301, the tensile force applied to the outdoor optical cable 15 in the axial direction is transferred to the step surface 302, and the tensile strength of the step surface 302 matched with the stop of the polygonal surface 1301 is significantly greater than that of the core-inserting 11, and the tensile property of the core-inserting assembly can be significantly improved.
The utility model provides a concrete embodiment of a ferrule assembly, which comprises:
as shown in fig. 1 to 3, the ferrule assembly of the present embodiment includes a ferrule 11 and a ferrule protection housing 12 disposed on the ferrule 11, where one end of the ferrule protection housing 12, which is used for being abutted against an outdoor optical cable 15, is provided with the crimping structure of the above embodiment, and the specific setting of the crimping structure is not repeated.
The utility model provides a specific embodiment of an optical fiber plug assembly:
referring to fig. 1 to 3, the optical fiber plug assembly of the present embodiment includes a ferrule assembly 1 and an outdoor protection housing 3 sleeved on the ferrule assembly 1, where the ferrule assembly 1 adopts the ferrule assembly provided in the foregoing embodiment, and the structure of the ferrule assembly is not described in detail.
It should be noted that, the portion Wen Weixiang is a prior art, and the above embodiments are only for illustrating the present utility model, but the present utility model is not limited to the above embodiments, and any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model falls within the protection scope of the present utility model.
Claims (5)
1. The utility model provides a crimping structure, includes pressfitting spare (14) that are used for crimping lock pin (11) and outdoor optical cable (15), its characterized in that, coaxial coupling pressfitting spare (14) are equipped with and are arranged in support piece (13) in the outdoor protective housing (3) of fiber plug, and support piece (13) are equipped with be used for with the interior profile looks adaptation of outdoor protective housing (3), and can restrict pressfitting spare (14) and twist polygon face body (1301) in outdoor protective housing (3).
2. A crimping structure according to claim 1, characterized in that the polygonal surface (1301) is provided with four sides adapted to the inner contour of the outdoor protective casing (3), between adjacent sides arc-shaped segments are provided.
3. A crimping structure according to claim 1 or 2, characterized in that it further comprises a step surface (302) provided in the outdoor protective casing (3) and capable of making a stop fit with the polygonal surface body (1301) in the axial direction of the outdoor optical cable (15).
4. A ferrule assembly comprising a ferrule (11) and a ferrule protective housing (12) arranged on the ferrule (11), characterized in that one end of the ferrule protective housing (12) for interfacing with an outdoor optical cable is provided with a crimp arrangement according to any one of claims 1-3.
5. An optical fiber plug assembly comprising a ferrule assembly (1) and an outdoor protective housing (3) sleeved on the ferrule assembly (1), wherein the ferrule assembly (1) is the ferrule assembly according to claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320511889.4U CN219552705U (en) | 2023-03-16 | 2023-03-16 | Crimping structure, lock pin assembly and optical fiber plug assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320511889.4U CN219552705U (en) | 2023-03-16 | 2023-03-16 | Crimping structure, lock pin assembly and optical fiber plug assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219552705U true CN219552705U (en) | 2023-08-18 |
Family
ID=87705627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320511889.4U Active CN219552705U (en) | 2023-03-16 | 2023-03-16 | Crimping structure, lock pin assembly and optical fiber plug assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219552705U (en) |
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2023
- 2023-03-16 CN CN202320511889.4U patent/CN219552705U/en active Active
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