CN220399680U - Optical fiber switching contact - Google Patents
Optical fiber switching contact Download PDFInfo
- Publication number
- CN220399680U CN220399680U CN202320817393.XU CN202320817393U CN220399680U CN 220399680 U CN220399680 U CN 220399680U CN 202320817393 U CN202320817393 U CN 202320817393U CN 220399680 U CN220399680 U CN 220399680U
- Authority
- CN
- China
- Prior art keywords
- hole
- contact
- optical fiber
- flange
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 81
- 239000000835 fiber Substances 0.000 claims description 14
- 229920006335 epoxy glue Polymers 0.000 claims description 9
- 239000003292 glue Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model relates to the technical field of optical fiber connectors, and discloses an optical fiber switching contact piece, which comprises: the device comprises a beam expansion type optical fiber contact part and a physical contact type optical fiber contact part, wherein the beam expansion type optical fiber contact part is detachably connected with the physical contact type optical fiber contact part. The optical fiber switching contact piece can be matched with an optical fiber adapter for use, so that the optical fiber connectors with two different structural forms/principles of physical contact type and beam expansion type can be directly connected.
Description
Technical Field
The utility model relates to the technical field of optical fiber connectors, in particular to an optical fiber switching contact.
Background
The fiber optic contacts generally have two structural forms/principles, one being conventional physical contact and the other being beam expansion. The beam-expanding type optical fiber contact piece expands, collimates and converges light beams by arranging lenses, so that the diameter of light spots can be increased, physical contact between the contact pieces is avoided, and the beam-expanding type optical fiber contact piece has the characteristics of dirt resistance and vibration impact resistance and is a novel optical fiber contact piece.
The function of the optical fiber switching contact piece is to realize the physical connection of two connectors at two sides of the contact piece. The existing optical fiber switching contact is of a physical contact type or of a beam expansion type at both sides, and the contact elements of two different structural forms/principles of the physical contact type and the beam expansion type cannot be realized in one switching contact element.
Therefore, it is a need for a person skilled in the art to provide a fiber optic transition contact that enables direct connection of both physical contact and expanded beam fiber optic connectors.
Disclosure of Invention
In view of the above, the present utility model provides an optical fiber switching contact to solve the problem that the existing physical contact type optical fiber contact and beam expansion type optical fiber contact cannot be realized in one switching contact.
In order to solve the technical problems, the utility model adopts the following technical scheme:
an optical fiber transition contact comprising: the device comprises a beam expansion type optical fiber contact part and a physical contact type optical fiber contact part, wherein the beam expansion type optical fiber contact part is detachably connected with the physical contact type optical fiber contact part.
Preferably, in the optical fiber switching contact, the beam-expanding optical fiber contact part includes
The first flange plate is axially provided with a through hole;
the first contact pin is inserted into the through hole at one end, so that the first contact pin is in interference connection with the first flange plate;
and the lens assembly is coaxially and fixedly connected with the first contact pin.
Preferably, in the optical fiber switching contact, the through hole includes
The first through hole is arranged at one end far away from the lens component, one end of the first contact pin is inserted into the first through hole, and the other end of the first contact pin is exposed out of the outer side of the first flange plate;
the second through hole is arranged near one end of the lens component, the second through hole is communicated with the first through hole, and the diameter of the second through hole is larger than that of the first through hole.
Preferably, in the optical fiber switching contact, the lens assembly includes
One end of the sleeve is inserted into the second through hole, and the other end of the sleeve is exposed out of the first flange; the sleeve is provided with a third through hole, and one end of the first contact pin, which is exposed out of the first flange, is inserted into the third through hole so that the first contact pin is fixedly connected with the sleeve;
the lens is arranged in the third through hole and connected with the end face of the first contact pin, and the axis of the lens is the same as the axis of the first contact pin.
Preferably, in the optical fiber switching contact, an antireflection film is disposed on the contact end surfaces of the lens and the first pin.
Preferably, in the optical fiber switching contact, the physical contact type optical fiber contact part includes
The second flange plate is inserted into the first through hole so as to be connected with the first flange plate, and the second flange plate is axially provided with a through hole;
and one end of the second contact pin is inserted into the through hole of the second flange plate, so that the second contact pin is in interference connection with the second flange plate.
Preferably, in the optical fiber switching contact, the through hole of the second flange plate includes
The fourth through hole is arranged at one end far away from the beam expansion type optical fiber contact part, one end of the second contact pin is inserted into the fourth through hole, and the other end of the second contact pin is exposed out of the second flange plate;
and the fifth through hole is arranged near one end of the beam expansion type optical fiber contact part, the fifth through hole is communicated with the fourth through hole, and the diameter of the fifth through hole is smaller than that of the fourth through hole.
Preferably, in the optical fiber switching contact, epoxy glue is injected into the fifth through hole;
and a cavity is formed between the first contact pin and the second flange plate in the first through hole, and epoxy glue is injected into the cavity.
Preferably, in the optical fiber switching contact, the first flange plate and the second flange plate are connected through a fixing assembly.
The utility model provides an optical fiber switching contact, which has the beneficial effects that compared with the prior art:
the optical fiber switching contact piece can be matched with an optical fiber adapter for use, so that the optical fiber connectors with two different structural forms/principles of physical contact type and beam expansion type can be directly connected.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of an optical fiber adapter contact according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of a beam-expanding optical fiber contact part according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a portion of a beam expanding optical fiber contact portion according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a portion of a beam expanding optical fiber contact portion according to an embodiment of the present utility model;
FIG. 5 is a schematic illustration of the structure of a physical contact type optical fiber contact part according to an embodiment of the present utility model;
fig. 6 is a schematic view of a part of the structure of a beam-expanding optical fiber contact part according to an embodiment of the present utility model.
In the figure, 100-expanded beam fiber optic contact, 110-first flange, 111-first through hole, 112-second through hole, 120-first pin, 130-ferrule, 131-third through hole, 140-lens, 200-physical contact fiber optic contact, 210-second flange, 211-fourth through hole, 212-fifth through hole, 220-second pin, 300-fixture assembly.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present application, it should 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 the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
The existing optical fiber switching contact is of a physical contact type or of a beam expansion type at both sides, and the contact elements of two different structural forms/principles of the physical contact type and the beam expansion type cannot be realized in one switching contact element.
Based on the above-mentioned situation, as shown in fig. 1, the present utility model provides an optical fiber switching contact capable of directly connecting a physical contact type and a beam expansion type optical fiber connector, comprising: the beam-expanding optical fiber contact part 100 and the physical contact type optical fiber contact part 200, and the beam-expanding optical fiber contact part 100 and the physical contact type optical fiber contact part 200 are detachably connected.
As shown in fig. 2, in some embodiments of the present utility model, the expanded beam fiber optic contact portion 100 includes a first flange 110, a first pin 120, and a lens assembly;
wherein the first flange 110 is axially provided with a through hole; one end of the first contact pin 120 is inserted into the through hole, so that the first contact pin 120 is in interference connection with the first flange 110, and the other end of the first contact pin 120 is exposed outside the first flange 110, wherein the exposed length can be adjusted according to actual conditions; the lens assembly is fixedly connected with the first contact pin 120 coaxially so that the optical fiber can pass through smoothly.
As shown in fig. 3, in some embodiments of the present utility model, the through holes of the first flange 110 include a first through hole 111 and a second through hole 112;
the first through hole 111 is disposed at one end far away from the lens assembly, one end of the first pin 120 is inserted into the first through hole 111, the other end is exposed outside the first flange 110, and the outer diameter of the first pin 120 is equal to or slightly smaller than the diameter of the first through hole 111, so as to realize interference connection between the first pin 120 and the first flange 110 through the first through hole 111.
Further, the second through hole 112 is disposed near one end of the lens assembly, the second through hole 112 is communicated with the first through hole 111, the diameter of the second through hole 112 is larger than that of the first through hole 111, and the lens assembly is fixed in the second through hole 112.
As shown in fig. 4, in some embodiments of the utility model, the lens assembly includes a sleeve 130 and a lens 140;
one end of the sleeve 130 is inserted into the second through hole 112, and the other end is exposed outside the first flange 110; the sleeve 130 is provided with a third through hole 131, and one end of the first contact pin 120 exposed out of the first flange 110 is inserted into the third through hole 131, so that the first contact pin 120 is fixedly connected with the sleeve 130; namely, the sleeve 130 is in a hollow cylinder shape as a whole, the outer diameter of the first contact pin 120 is equal to or slightly smaller than the diameter of the third through hole 131, so that the other end of the first contact pin 120 is arranged in the third through hole 131, and the outer diameter of the sleeve 130 is equal to or slightly smaller than the diameter of the second through hole 112, so that the sleeve 130 is arranged in the second through hole 112, and the lens component is fixed;
further, the lens 140 is disposed in the third through hole 131 and connected to the end face of the first contact pin 120, and the axis of the lens 140 is the same as the axis of the first contact pin 120, so as to ensure that the optical fiber passes through smoothly; further, the contact end surfaces of the lens 140 and the first contact pin 120 are provided with an antireflection film, so that the light transmittance can be enhanced.
As shown in fig. 5, in some embodiments of the utility model, the physical contact fiber optic contact portion 200 includes a second flange 210 and a second pin 220;
wherein the second flange 210 is inserted into the other end of the first through hole 111 such that the second flange 210 is connected to the first flange 110, the second flange 210 being axially provided with a through hole; one end of the second pin 220 is inserted into the through hole of the second flange 210, so that the second pin 220 is in interference connection with the second flange 210, and the other end of the second pin is exposed outside the second flange 210, and the exposed length can be adjusted according to practical situations.
As shown in fig. 6, in some embodiments of the present utility model, the through holes of the second flange 210 include a fourth through hole 211 and a fifth through hole 212;
the fourth through hole 211 is disposed at one end far away from the beam-expanding optical fiber contact part 100, the diameter of the fourth through hole 211 is equal to or slightly larger than the outer diameter of the second contact pin 220, one end of the second contact pin 220 is inserted into the fourth through hole 211, and the other end is exposed outside the second flange 210; the fifth through hole 212 is disposed near one end of the expanded beam fiber contact portion 100, the fifth through hole 212 is communicated with the fourth through hole 211, and the diameter of the fifth through hole 212 is smaller than that of the fourth through hole 211.
In some embodiments of the present utility model, the fifth through hole 212 is filled with epoxy glue; a cavity is formed between the first pin 120 and the second flange 210 in the first through hole 111, and epoxy glue is injected into the cavity; the first pin 120 and the second pin 220 are ceramic pins.
In some embodiments of the present utility model, the first flange 110 and the second flange 210 are connected by a fixing assembly 300. Specifically, the fixing assembly 300 may be a retainer ring, and the fixing manner of the retainer ring may be threaded connection or interference press fit, and the fixing process may be performed by applying curing glue as required, so that the bundle expanding optical fiber contact part 100 and the physical contact type optical fiber contact part 200 may be sleeved together through the retainer ring.
In some embodiments of the present utility model, the length of the first flange 110 is greater than the length of the second flange 210, and the first flange 110 is provided with two protrusions, and the second flange 210 is provided with one protrusion; it should be noted that, the protruding portion of the second flange 210 is matched with one of the protruding portions of the first flange 110, and is connected by the fixing assembly 300, so as to fix the beam-expanding optical fiber contact portion 100 and the physical contact optical fiber contact portion 200; the other protruding portion of the first flange 110 is adapted to accommodate the variation of the diameters of the first through hole 111 and the second through hole 112.
In other embodiments of the present utility model, the method for assembling the optical fiber switching contact is also disclosed, wherein the assembling of the beam expanding optical fiber contact part 100 and the physical contact type optical fiber contact part 200 respectively includes the following steps:
step S100, the first contact pin 120 and the first flange plate 110 are assembled together through fixture interference, the length of the first contact pin 120 exposed out of the first flange plate 110 is reserved, and then epoxy glue is filled in a first through hole 111 of the first flange plate 110 for standby;
step S200, the second contact pin 220 and the second flange 210 are assembled together through fixture interference, the length of the second contact pin 220 exposed out of the second flange 210 is reserved, and then epoxy glue is filled in a fifth through hole 212 of the second flange 210 for standby;
step S300, sleeving and fixing the components obtained in the step S100 and the step S200 together, sleeving and fixing the first flange 110 and the second flange 210 together through the fixing assembly 300, penetrating the optical fiber into the center shaft of the transfer contact along the axial center line, and polishing and grinding the end surfaces of the first contact pin 120 and the second contact pin 220 after the epoxy glue is solidified;
s400, plating an antireflection film on the end face of the first contact pin 120 and the end face of the lens 140 contacted with the first contact pin 120 after polishing and grinding, then inserting the first contact pin 120 into one end of the sleeve 130, inserting the lens 140 into the other end of the sleeve 130, enabling the lens 140 to correspond to the focus of the first contact pin 120, and fixing the sleeve 130 in the second through hole 112 to obtain the optical fiber switching contact.
It can be appreciated that the lens 140 and the sleeve 130 may be adhered to the first pin 120 and the first flange 110 by an adhesive such as glue, and the relative position and focal position of the lens 140 and the first pin 120 may be adjusted by a tooling such as a fine adjustment frame during the adhesion.
The optical fiber switching contact piece can be matched with an optical fiber adapter for use, and solves the problem that a physical contact type optical fiber connector and a beam expansion type optical fiber connector cannot be directly connected.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (8)
1. An optical fiber transfer contact, comprising: a beam-expanding type optical fiber contact part and a physical contact type optical fiber contact part, wherein the beam-expanding type optical fiber contact part is detachably connected with the physical contact type optical fiber contact part;
the beam-expanding optical fiber contact part comprises
The first flange plate is axially provided with a through hole;
the first contact pin is inserted into the through hole at one end, so that the first contact pin is in interference connection with the first flange plate;
the lens assembly is coaxially and fixedly connected with the first contact pin;
the physical contact type optical fiber contact part comprises
The second flange plate is inserted into the through hole of the first flange plate so as to be connected with the first flange plate, and the through hole is axially formed in the second flange plate;
and one end of the second contact pin is inserted into the through hole of the second flange plate, so that the second contact pin is in interference connection with the second flange plate.
2. The fiber optic adapter contact according to claim 1, wherein the through-hole of the first flange comprises
The first through hole is arranged at one end far away from the lens component, one end of the first contact pin is inserted into the first through hole, and the other end of the first contact pin is exposed out of the outer side of the first flange plate;
the second through hole is arranged near one end of the lens component, the second through hole is communicated with the first through hole, and the diameter of the second through hole is larger than that of the first through hole.
3. The fiber optic adapter contact according to claim 2, wherein the lens assembly comprises
One end of the sleeve is inserted into the second through hole, and the other end of the sleeve is exposed out of the first flange; the sleeve is provided with a third through hole, and one end of the first contact pin, which is exposed out of the first flange, is inserted into the third through hole so that the first contact pin is fixedly connected with the sleeve;
the lens is arranged in the third through hole and connected with the end face of the first contact pin, and the axis of the lens is the same as the axis of the first contact pin.
4. The optical fiber transfer contact of claim 3, wherein the contact end surfaces of the lens and the first pin are each provided with an anti-reflection film.
5. The fiber optic adapter contact according to claim 1, wherein the through-hole of the second flange includes
The fourth through hole is arranged at one end far away from the beam expansion type optical fiber contact part, one end of the second contact pin is inserted into the fourth through hole, and the other end of the second contact pin is exposed out of the second flange plate;
and the fifth through hole is arranged near one end of the beam expansion type optical fiber contact part, the fifth through hole is communicated with the fourth through hole, and the diameter of the fifth through hole is smaller than that of the fourth through hole.
6. The fiber optic adapter contact according to claim 5, wherein the fifth through hole is filled with epoxy glue.
7. The fiber optic adapter contact of claim 2, wherein a cavity is formed between the first pin and the second flange in the first through hole, and epoxy glue is injected into the cavity.
8. The fiber optic adapter contact according to claim 1, wherein the first flange is connected to the second flange by a securing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320817393.XU CN220399680U (en) | 2023-04-13 | 2023-04-13 | Optical fiber switching contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320817393.XU CN220399680U (en) | 2023-04-13 | 2023-04-13 | Optical fiber switching contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220399680U true CN220399680U (en) | 2024-01-26 |
Family
ID=89599789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320817393.XU Active CN220399680U (en) | 2023-04-13 | 2023-04-13 | Optical fiber switching contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220399680U (en) |
-
2023
- 2023-04-13 CN CN202320817393.XU patent/CN220399680U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6283644B1 (en) | Optical package with alignment means and method of assembling an optical package | |
| JP2954788B2 (en) | Photoelectric conversion connection device and method of manufacturing the same | |
| US7695199B2 (en) | Optical subassembly having insertable cylindrical sleeve | |
| US4090778A (en) | Terminating optical fibers and optical fiber connector | |
| US4134641A (en) | Self centering connector design | |
| US4834494A (en) | Expanded beam waveguide connector | |
| US4725117A (en) | Optical fiber contact and method of terminating an optical fiber using same | |
| KR890000297B1 (en) | Connect for optical fibers and a method of producting it | |
| JPH10246839A (en) | Optical semiconductor module | |
| EP0186701A1 (en) | Optical fiber connector and article comprising same | |
| WO2006071789A2 (en) | Lens mount assembly for optical components | |
| US5522001A (en) | Optical fiber coupled devices and method of assembling same | |
| CN220399680U (en) | Optical fiber switching contact | |
| CN116560009A (en) | Optical fiber switching contact and assembly method thereof | |
| CN106646774A (en) | Optical module | |
| JP2824489B2 (en) | Adjustable optical fiber connector and optical fiber connection method | |
| US20040146250A1 (en) | Ferrule and optical coupling structure using the same | |
| JPH1082929A (en) | Multi-core optical connector | |
| JPH02197807A (en) | Ferrule member for optical fiber final end connection and manufacture thereof | |
| CN113625397A (en) | Detachable optical fiber adapter and optical device | |
| US6921213B2 (en) | Adaptable optical subassembly module for different optical fiber connection interfaces | |
| JP2008116552A (en) | Optical assembly | |
| CN221281276U (en) | Optical fiber coupling assembly | |
| CN217561779U (en) | Ceramic ferrule connecting structure | |
| CN220752352U (en) | TLN scheme TOSA device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |