CN212723458U - Insulating optical fiber interface assembly and optical transceiver - Google Patents
Insulating optical fiber interface assembly and optical transceiver Download PDFInfo
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- CN212723458U CN212723458U CN202021553861.XU CN202021553861U CN212723458U CN 212723458 U CN212723458 U CN 212723458U CN 202021553861 U CN202021553861 U CN 202021553861U CN 212723458 U CN212723458 U CN 212723458U
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Abstract
The utility model discloses an insulating fiber interface subassembly and light transceiver. The insulated fiber optic interface assembly, comprising: a housing, the housing comprising: an insulating housing, a metal ring; the insulating shell is a cylindrical shell with a through hole, the metal ring is accommodated in the through hole, and the metal ring and the insulating shell form an iron-plastic integrated structure; a metal compact, the metal compact comprising: the annular metal pressing block body is provided with a guide pipe part; the annular metal pressing block body is connected with the guide pipe part, the guide pipe part is in interference fit with the metal ring, and therefore the problem that the shell is separated from the metal pressing block in the using process can be effectively solved.
Description
Technical Field
The utility model relates to an optical fiber technology field especially relates to an insulating fiber interface subassembly and light transceiver.
Background
The insulated optical fiber interface component is an essential basic connecting device in the optical communication industry and is widely applied to optical transceiver modules. The insulating optical fiber interface assembly is structurally mainly characterized in that the optical element unit side and the jumper connection side need to be electrically insulated, so that electrical isolation between electrical signal grounding and electrical shell grounding is realized, and faults possibly generated by module devices due to other factors such as electromagnetic interference (EMI) and electrostatic discharge (ESD) can be prevented.
In order to prevent the metal pressing block and the plastic shell in the insulated optical fiber interface component from being separated, the metal pressing block and the plastic shell in the existing plastic optical fiber interface component are only fixed through viscose. However, the adhesive provides limited adhesion, the metal compact and the plastic housing are still easily separated, and there is a quality risk during normal use.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned deficiencies in the prior art, an object of the present invention is to provide an insulating optical fiber interface module and an optical transceiver, which aim to solve the problem that the metal press block and the plastic housing are easily separated (separated) in the existing insulating optical fiber interface module.
An insulated fiber optic interface assembly, comprising:
a housing, the housing comprising: an insulating housing, a metal ring; the insulating shell is a cylindrical shell with a through hole, the metal ring is accommodated in the through hole, and the metal ring and the insulating shell form an iron-plastic integrated structure;
a metal compact, the metal compact comprising: the annular metal pressing block body is provided with a guide pipe part; the annular metal pressing block body is connected with the guide pipe part, and the guide pipe part is in interference fit with the metal ring.
The insulating optical fiber interface assembly is characterized in that a groove is formed in the outer side wall of the metal ring.
The insulating optical fiber interface assembly, wherein, the metal briquetting still includes:
one end of the ceramic sleeve is sleeved in the guide pipe part, and the other end of the ceramic sleeve extends out of the guide pipe part;
the ceramic ferrule is contained in the annular metal pressing block body and the ceramic sleeve.
The insulating fiber optic interface assembly, wherein the guiding tube portion comprises: the first guide pipe part is connected with the annular metal pressing block body, and the second guide pipe part is connected with the first guide pipe part;
wherein an outer diameter of the second guide tube portion is smaller than an outer diameter of the first guide tube portion.
The insulated optical fiber interface assembly, wherein the number of the grooves is at least 2.
The insulating optical fiber interface component is characterized in that the insulating shell is a plastic insulating shell.
The insulating fiber optic interface assembly, wherein the through-hole comprises: the first through hole, the second through hole and the third through hole are communicated in sequence;
the first through hole accommodates the metal ring, and the second through hole accommodates the ceramic sleeve extending out of the guide tube portion.
An optical transceiver comprising an insulated fiber optic interface assembly as described above.
Has the advantages that: metal briquetting with insulating casing passes through the becket realizes connecting, wherein metal briquetting with becket interference fit can effectively avoid the becket with metal briquetting is in the use off-going problem. It is visible, in the utility model discloses in metal briquetting with insulating casing need not rely on the viscose to realize connecting, thereby solves metal briquetting with insulating casing adopts the viscose to connect the problem that the reliability is low, and the point of getting rid of among the assembling process simultaneously glues the technology and simplifies the technology greatly, shortens the flow to and avoid the problem of viscose flow direction ceramic sleeving in the assembling process.
Drawings
Fig. 1 is a schematic structural diagram of a conventional insulated fiber optic interface module.
Fig. 2 is a schematic structural diagram of the insulating housing of the present invention.
Fig. 3 is a schematic structural view of the metal ring of the present invention.
Fig. 4 is a schematic diagram of the metal ring and the iron-plastic integrated structure of the insulating housing of the present invention.
Fig. 5 is a schematic structural diagram of the metal pressing block of the present invention.
Fig. 6 is an assembly diagram of the insulated optical fiber interface module according to the present invention.
Fig. 7 is a schematic structural diagram of the insulated optical fiber interface module according to the present invention.
Description of reference numerals: 1-an insulating shell, 2-a metal ring, 3-a metal pressing block, 4-viscose glue, 111-a first through hole, 112-a second through hole, 113-a third through hole, 211-a metal ring body, 212-a groove, 301-an annular metal pressing block body, 302-a guide pipe part, 303-a ceramic sleeve and 304-a ceramic ferrule.
Detailed Description
The utility model provides an insulating optical fiber interface subassembly and light transceiver, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, it is following right the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The optical transceiver includes an optical transceiver circuit, a light emitting element such as a laser diode, and an optical fiber interface module. Wherein the optical fiber interface assembly is mounted in the housing of the optical transceiver and can perform optical fiber communication with the other optical transceiver module.
As shown in fig. 1, in the existing insulated optical fiber interface assembly, the metal press block 3 and the insulated housing 1 are fixed only by the adhesive 4, and this solution has at least the following problems:
1. the metal pressing block 3 and the insulating shell 1 are connected only by the adhesive 4, and the adhesive 4 provides limited adhesive force, so that the metal pressing block 3 and the insulating shell 1 are easy to separate, great quality hidden danger exists in the normal use process, and the reliability of the product is low.
2. The metal pressing block 3 and the insulating shell 1 are fixed by the loose-fitting adhesive 4, and the adhesive 4 (epoxy adhesive) flows downwards along the gap between the metal pressing block 3 and the insulating shell 1 and is attached to the wall of the ceramic bushing 303, so that the product performance is influenced.
3. In the process of producing and manufacturing the insulated optical fiber interface assembly, the process is complicated, the flow is long, and cost control is not facilitated.
Based on this, as shown in fig. 6 and 7, the utility model provides an insulating optical fiber interface assembly, wherein, include:
a housing, the housing comprising: an insulating shell 1, a metal ring 2; the insulating shell 1 is a cylindrical shell with a through hole, the metal ring 2 is accommodated in the through hole, and the metal ring 2 and the insulating shell 1 form an iron-plastic integrated structure;
a metal compact 3, the metal compact 3 comprising: an annular metal compact body 301, a guide tube portion 302; the annular metal pressing block body 301 is communicated with the guide pipe part 302, and the guide pipe part 302 is in interference fit with the metal ring 2.
Metal briquetting 3 with insulating casing 1 passes through becket 2 realizes connecting, wherein metal briquetting 3 with 2 interference fit of becket can effectively avoid the shell with metal briquetting 3 is in the use off-going problem. It can be seen that, in the utility model discloses in metal briquetting 3 with insulating casing 1 need not rely on viscose 4 to realize connecting, thereby solves metal briquetting 3 with insulating casing 1 adopts viscose 4 to connect the problem that the reliability is low, and the glue dispensing process that disappears among the assembling process simplifies the technology greatly simultaneously, shortens the flow to and avoid the problem of 4 flow direction ceramic bushing 303 of viscose in the assembling process.
As shown in fig. 4, the metal ring 2 of the present invention can protect the insulating housing 1. Relatively speaking, the metal ring 2 made of metal has higher mechanical properties, such as impact resistance and strength, than the insulating housing made of plastic. If the metal pressing block 3 is directly adopted to be in interference fit with the insulating shell 1, the insulating shell 1 is easily damaged in the assembling process. Therefore, the utility model discloses metal briquetting 3 with be provided with becket 2 between insulating casing 1, protection when realizing interference fit insulating casing 1. Meanwhile, the metal ring 2 and the metal pressing block 3 are in interference fit, so that larger interference magnitude can be realized, and the problem that the metal pressing block 3 is separated from the insulating shell 1 is further solved.
The metal ring 2 is accommodated in the through hole, and specifically, the outer wall of the metal ring 2 is connected with the inner wall of the through hole. In other words, the insulating housing 1 is fitted over the metal ring 2. The utility model discloses an among the implementation, the becket 2 with insulating casing 1 is iron-plastic integral type structure, promptly insulating casing 1 makes iron-plastic integral type structure with becket 2 when moulding plastics to make two closely cooperate, guarantee structural strength. The utility model discloses with becket 2 with insulating casing 1 forms iron and moulds the integral type shell, can simplify the technology greatly, shortens the flow, reduces assembly cost.
The utility model discloses assembling the in-process of insulating optical fiber interface subassembly can realize through the power method of impressing metal briquetting 3 with 2 interference fit of becket.
In one embodiment of the present invention, as shown in fig. 3, the insulating optical fiber interface assembly is provided, wherein a groove 212 is formed on an outer sidewall of the metal ring 2. In the process of injection molding of an iron-plastic integrated structure, the material of the insulating shell 1 can be filled in the groove 212, and after solidification, a protrusion is formed to be matched with the groove 212, so that the bonding force between the metal ring 2 and the insulating shell 1 can be effectively enhanced. That is, a protrusion fitting the groove 212 is provided in the through hole of the insulating housing 1.
In one embodiment of the present invention, the number of the grooves 212 is at least 2. Optionally, the groove 212 is an annular groove surrounding the outer wall of the metal ring 2. When the annular grooves 212 are plural, the annular grooves 212 are equidistantly spaced on the outer wall of the metal ring 2. The quantity of recess 212 is 2 at least the becket 2 with insulating casing 1's cohesion, further avoid becket 2 with insulating casing 1 breaks away in the use.
As shown in fig. 5, in an embodiment of the present invention, the insulating optical fiber interface assembly, wherein the metal compact 3 includes:
an annular metallic compact body 301;
the guide pipe part 302 is connected with the annular metal pressing block body 301, and is in interference fit with the metal ring 2;
one end of the ceramic sleeve 303 is sleeved in the guide tube part 302, and the other end of the ceramic sleeve 303 extends out of the guide tube part 302;
a ferrule 304, the ferrule 304 being housed within the annular metal compact body 301 and within the ferrule sleeve 303.
Specifically, the annular metal compact body 301 has a through groove formed in an inner ring thereof, and the through groove is communicated with the ceramic sleeve 303. The through groove formed by the inner ring of the annular metal pressing block body 301 can be used for accommodating a part of the ceramic ferrule 304, and the ceramic sleeve 303 is used for accommodating another part of the ceramic ferrule 304.
The guide pipe portion 302 is used for realizing that the metal pressing block 3 is connected with the metal ring 2 in an interference fit manner, and realizing that the metal pressing block 3 is in the interference fit manner with the metal ring 2 to play a guiding role in a press-in method. Specifically, the guide tube portion 302 has a tubular shape, and is interference-fitted to the inside of the metal ring 2.
In an embodiment of the present invention, the insulating optical fiber interface assembly, wherein the guiding tube portion 302 includes:
a first guide tube part connected to the annular metal compact body 301;
a second guide tube part connected with the first guide tube part;
wherein an outer diameter of the second guide tube portion is smaller than an outer diameter of the first guide tube portion.
The utility model discloses in the external diameter of second stand pipe portion is less than the external diameter of first stand pipe portion, its purpose is impressed more easily when realizing the interference fit through the method of impressing, relies on the guide effect of stand pipe portion, makes two interference fit spare cooperations more smooth and easy. Meanwhile, in the interference fit structure, the interference magnitude larger than that of the second guide pipe part is generated by the first guide pipe part, so that the matching effect between the metal pressing block 3 and the metal ring 2 is improved.
Optionally, a junction of the first guide tube portion and the second guide tube portion is provided with a chamfer.
As shown in fig. 2, in an embodiment of the present invention, the insulating optical fiber interface assembly, wherein the insulating housing 1 is a plastic insulating housing. Optionally, the metal ring 2 is a stainless steel metal ring 2.
In an embodiment of the present invention, the insulating optical fiber interface module, wherein the through hole includes: a first through hole 111, a second through hole 112 and a third through hole 113 which are communicated in sequence; the first through hole 111 accommodates the metal ring, and the second through hole 112 accommodates a ceramic sleeve 303 extending out of the guide tube portion 302.
Specifically, the inner diameter of the first through hole 111 is larger than the inner diameter of the second through hole 112, and the inner diameter of the second through hole 112 is larger than the inner diameter of the third through hole 113. The inner diameter of the second through hole 112 accommodates the outer diameter of the ceramic sleeve 303. The inner diameter of the ferrule 303 accommodates the outer diameter of the ferrule 304. The inner diameter of the metal ring 2 is in interference fit with the outer diameter of the guide tube part 302.
Optionally, the metal pressing block 3 is made of stainless steel, and the ceramic ferrule 304 and the ceramic sleeve 303 are made of zirconium dioxide. With ferrule 304 preferably having a type ZR 02.
An optical transceiver comprising an insulated fiber optic interface assembly as described above. The optical transceiver is connected with other optical transceivers through the insulated optical fiber interface assembly, and the problem of shell disconnection can be effectively avoided.
Insulating optical fiber interface subassembly is an interference fit's insulating interface subassembly of plastics, and wherein, the integrative structure is moulded to the iron that metal ring 2 and insulating casing 1 injection moulding formed to carry out interference fit with metal briquetting 3. The inner hole of the metal ring 2 adopts a high-precision aperture to realize interference fit with the metal pressing block 3, and the matching effect is ensured. Insulating fiber interface subassembly can effectively solve the product that present splicing cooperation brought and use the problem that the reliability is low to and solve 4 flow direction ceramic bushing 303's of viscose problem in the assembly process.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (8)
1. An insulated fiber optic interface assembly, comprising:
a housing, the housing comprising: an insulating housing, a metal ring; the insulating shell is a cylindrical shell with a through hole, the metal ring is accommodated in the through hole, and the metal ring and the insulating shell form an iron-plastic integrated structure;
a metal compact, the metal compact comprising: the annular metal pressing block body is provided with a guide pipe part; the annular metal pressing block body is connected with the guide pipe part, and the guide pipe part is in interference fit with the metal ring.
2. The insulated fiber optic interface assembly of claim 1, wherein the outer sidewall of the metallic ring is provided with a groove.
3. The insulated fiber optic interface assembly of claim 1, wherein the metal compact further comprises:
one end of the ceramic sleeve is sleeved in the guide pipe part, and the other end of the ceramic sleeve extends out of the guide pipe part;
the ceramic ferrule is contained in the annular metal pressing block body and the ceramic sleeve.
4. The insulated fiber optic interface assembly of claim 3, wherein the guide tube portion comprises: the first guide pipe part is connected with the annular metal pressing block body, and the second guide pipe part is connected with the first guide pipe part;
wherein an outer diameter of the second guide tube portion is smaller than an outer diameter of the first guide tube portion.
5. The insulated fiber optic interface assembly of claim 2, wherein the number of grooves is at least 2.
6. The insulated fiber optic interface assembly of claim 1, wherein the insulating housing is a plastic insulating housing.
7. The insulated fiber optic interface assembly of claim 3, wherein the through-hole comprises: the first through hole, the second through hole and the third through hole are communicated in sequence;
the first through hole accommodates the metal ring, and the second through hole accommodates the ceramic sleeve extending out of the guide tube portion.
8. An optical transceiver comprising an insulated fiber optic interface assembly according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021553861.XU CN212723458U (en) | 2020-07-30 | 2020-07-30 | Insulating optical fiber interface assembly and optical transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021553861.XU CN212723458U (en) | 2020-07-30 | 2020-07-30 | Insulating optical fiber interface assembly and optical transceiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212723458U true CN212723458U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021553861.XU Active CN212723458U (en) | 2020-07-30 | 2020-07-30 | Insulating optical fiber interface assembly and optical transceiver |
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| Country | Link |
|---|---|
| CN (1) | CN212723458U (en) |
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2020
- 2020-07-30 CN CN202021553861.XU patent/CN212723458U/en active Active
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