CN210376768U - Optical fiber movable connector - Google Patents
Optical fiber movable connector Download PDFInfo
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- CN210376768U CN210376768U CN201921498951.0U CN201921498951U CN210376768U CN 210376768 U CN210376768 U CN 210376768U CN 201921498951 U CN201921498951 U CN 201921498951U CN 210376768 U CN210376768 U CN 210376768U
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- convex lens
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- connecting pipe
- filter
- sleeve
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Abstract
The utility model discloses an optical fiber connector, which comprises a first ferrule, a second ferrule, a coupling module and a sleeve, wherein the coupling module is arranged in the sleeve, the first ferrule penetrates from one end of the sleeve and corresponds to the coupling module, and the second ferrule penetrates from the other end of the sleeve and corresponds to the coupling module; the coupling module comprises a filter, a first connecting pipe, a second connecting pipe, a first convex lens and a second convex lens, the first connecting pipe and the second connecting pipe are respectively connected to two sides of the filter, the first convex lens is connected to one end of the first connecting pipe far away from the filter, the second convex lens is connected to one end of the second connecting pipe far away from the filter, the main optical axis of the first convex lens and the main optical axis of the second convex lens coincide, the focus of the first convex lens and the focus of the second convex lens all fall on the filter, and the back focuses of the first convex lens and the second convex lens fall on the end faces of the first inserting core and the second inserting core respectively. This scheme greatly reduces light movable connector's overall dimension, makes its miniaturization.
Description
Technical Field
The utility model relates to an optical fiber communication field, specific be an optic fibre connector that moves about.
Background
The optical fiber connector is a plug-in connector composed of a single-core plug and an adapter, and is suitable for optical fiber transceivers, routers, switches, optical transceivers and other equipment with optical ports. As the application field of the optical fiber technology is continuously expanded, networks such as an optical fiber television network, a high-speed local area network and a local user network are greatly developed, and requirements on an optical fiber connector are more and more provided due to requirements on maintenance in aspects of measurement, switching, scheduling and the like, which promote continuous development of the optical fiber connector connection technology.
With the continuous development of the optical fiber application field, the requirements for the optical fiber connector are high performance, low cost, miniaturization, multi-fiber, high installation density, simple installation and the like. The existing optical fiber movable connector mostly adopts an optical collimator and an optical coupler to adjust incident light and emergent light, and the manufacturing cost and the size of the optical collimator are large, so that the cost of the existing optical fiber movable connector is high, and the size is difficult to miniaturize.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the embodiment of the present invention provides an optical fiber connector, which is used for solving at least one of the above problems.
The embodiment of the application discloses: an optical fiber connector comprises a first ferrule, a second ferrule, a coupling module and a sleeve, wherein the coupling module is arranged in the sleeve, the first ferrule penetrates from one end of the sleeve and is arranged corresponding to the coupling module, and the second ferrule penetrates from the other end of the sleeve and is arranged corresponding to the coupling module; the coupling module comprises a filter plate, a first connecting pipe, a second connecting pipe, a first convex lens and a second convex lens, the first connecting pipe and the second connecting pipe are respectively connected with two sides of the filter plate, the first convex lens is connected with one end of the first connecting pipe far away from the filter plate, the second convex lens is connected with one end of the second connecting pipe far away from the filter, the main optical axis of the first convex lens is coincided with the main optical axis of the second convex lens, the front focus of the first convex lens and the front focus of the second convex lens are respectively in the range of the filter plate, the back focus of the first convex lens is in the range of the first ferrule towards one end face of the coupling module, the back focus of the second convex lens is in the range of the second inserting core facing to one end face of the coupling module.
Specifically, the coupling module still includes fixed pipe, fixed pipe is used for the cover to establish the filter plate first connecting pipe and the second connecting pipe is outside.
Specifically, first convex lens is including corresponding first straight portion and first bellying, first bellying orientation the filter setting, first straight portion butt is in the tip of first connecting pipe.
Specifically, the second convex lens comprises a second straight portion and a second protruding portion which correspond to each other, the second protruding portion faces the filter, and the second straight portion abuts against the end portion of the second connecting pipe.
Specifically, the first ferrule and the second ferrule are both ceramic ferrules.
Specifically, the sleeve is made of a ceramic material.
The utility model discloses following beneficial effect has at least: the optical fiber connector of this embodiment is through adopting first convex lens, filter and the cooperation of second convex lens, and makes the focus of first convex lens and second convex lens fall on the filter respectively, and this design can realize the collimation to input beam, that is to say this embodiment the coupling module can replace conventional optical collimator, consequently, can greatly reduce light connector's overall dimension realizes the miniaturization of connector.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an internal structure of an optical fiber connector according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the coupling module according to the embodiment of the present invention.
Reference numerals of the above figures: 1-first ferrule, 2-second ferrule, 3-coupling module, 31-filter, 32-first connecting pipe, 33-second connecting pipe, 34-first convex lens, 341-first flat part, 342-first convex part, 35-second convex lens, 351-second flat part, 352-second convex part, 36-fixing pipe and 4-sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the optical fiber connector according to the present embodiment includes a first ferrule 1, a second ferrule 2, a coupling module 3, and a sleeve 4. The coupling module 3 is arranged in the sleeve 4, the first ferrule 1 penetrates from one end of the sleeve 4 and is arranged corresponding to the coupling module 3, and the second ferrule 2 penetrates from the other end of the sleeve 4 and is arranged corresponding to the coupling module 3. Specifically, the optical signal is input from the first ferrule 1, integrated by the coupling module 3, and output from the second ferrule 2, so that preferably, the axis of the optical fiber holes (respectively disposed on the two ferrules and used for mounting the optical fibers) on the first ferrule 1 coincides with the axis of the optical fiber holes on the second ferrule 2, which is beneficial to reducing the loss of the optical signal. The coupling module 3 includes a filter 31, a first connection pipe 32, a second connection pipe 33, a first convex lens 34 and a second convex lens 35. Wherein, first connecting pipe 32 and second connecting pipe 33 are connected respectively filter 31's both sides, specifically, first connecting pipe 32 is connected filter 31's income light one side, second connecting pipe 33 is connected filter 31's light-emitting one side. First convex lens 34 is connected first connecting pipe 32 is kept away from the one end of filter 31, second convex lens 35 is connected second connecting pipe 33 is kept away from the one end of filter 31. The principal optical axis of first convex lens 34 with the principal optical axis coincidence of second convex lens 35, the front focus of first convex lens 34 with the front focus of second convex lens 35 falls respectively the within range of filter 31, the back focus of first convex lens 34 falls first lock pin 1 orientation the within range of the terminal surface of coupling module 3 one end, the back focus of second convex lens 35 falls the second lock pin 2 orientation the within range of the terminal surface of coupling module 3 one end.
The optical principle of the optical fiber movable connection is as follows: the light beam is input from the optical fiber (installed in the optical fiber hole, not shown in the figure) in the first ferrule 1, reaches the filter 31 after being collimated by the first convex lens 34, and the light with a specific wavelength penetrates through the filter 31 and enters the optical fiber (not shown in the figure) of the second ferrule 2 after being focused by the second convex lens 35, and then is output from the optical fiber of the second ferrule 2.
By means of the structure, the optical fiber connector in the embodiment is matched with the first convex lens 34, the filter 31 and the second convex lens 35, and the focuses of the first convex lens 34 and the second convex lens 35 are respectively arranged on the filter 31, so that the input light beams can be collimated by the design, namely the coupling module 3 in the embodiment can replace a conventional optical collimator, therefore, the overall size of the optical fiber connector can be greatly reduced, and the miniaturization of the connector is realized.
Specifically, as shown in fig. 1, the coupling module 3 further includes a fixed pipe 36, and the fixed pipe 36 is used for being sleeved on the filter 31, the first connecting pipe 32 and the second connecting pipe 33. Preferably, the first convex lens 34 and the second convex lens 35 are also accommodated in the fixing tube 36. By adopting the structure, all parts of the coupling module 3 can be modularized, so that the coupling module 3 can be conveniently and subsequently installed in the sleeve 4, the coupling module 3 can be protected, and the optical performance of the coupling module 3 can be ensured. Preferably, the length of the fixing tube 36 is only required to accommodate the above components, and it is not required to use too large a length, so as to reduce the size of the whole coupling module 3 as much as possible.
Specifically, as shown in fig. 1 and fig. 2, the first convex lens 34 includes a first straight portion 341 and a first protruding portion 342, the first protruding portion 342 is disposed toward the filter 31, and the first straight portion 341 abuts against an end of the first connecting tube 32. The second convex lens 35 includes a second flat portion 351 and a second convex portion 352, respectively, the second convex portion 352 being disposed toward the filter 31, the second flat portion 351 abutting on an end portion of the second connection pipe 33. That is, the length of the first connection pipe 32 is just such that the focal point of the first convex lens 34 falls on the filter 31 when the first convex lens 34 is mounted thereon, and the length of the second connection pipe 33 is just such that the focal point of the second convex lens 35 falls on the filter 31 when the second convex lens 35 is mounted thereon. With the above-described structure, the overall size of the optical fiber connector can be further reduced by minimizing the lengths of the first connection tube 32 and the second connection tube 33.
Specifically, the first ferrule 1 and the second ferrule 2 are both ceramic ferrules, and the sleeve is preferably made of ceramic materials, so as to ensure that the optical fiber connector has stable and excellent communication quality.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (6)
1. An optical fiber connector is characterized by comprising a first inserting core, a second inserting core, a coupling module and a sleeve, wherein the coupling module is arranged in the sleeve, the first inserting core penetrates from one end of the sleeve and is arranged corresponding to the coupling module, and the second inserting core penetrates from the other end of the sleeve and is arranged corresponding to the coupling module; the coupling module comprises a filter plate, a first connecting pipe, a second connecting pipe, a first convex lens and a second convex lens, the first connecting pipe and the second connecting pipe are respectively connected with two sides of the filter plate, the first convex lens is connected with one end of the first connecting pipe far away from the filter plate, the second convex lens is connected with one end of the second connecting pipe far away from the filter, the main optical axis of the first convex lens is coincided with the main optical axis of the second convex lens, the front focus of the first convex lens and the front focus of the second convex lens are respectively in the range of the filter plate, the back focus of the first convex lens is in the range of the first ferrule towards one end face of the coupling module, the back focus of the second convex lens is in the range of the second inserting core facing to one end face of the coupling module.
2. The optical fiber connector according to claim 1, wherein the coupling module further comprises a fixing tube, and the fixing tube is disposed outside the filter, the first connecting tube and the second connecting tube.
3. The fiber optic connector of claim 1, wherein the first convex lens includes a corresponding first flat portion and a first convex portion, the first convex portion being disposed toward the filter, the first flat portion abutting an end of the first connecting tube.
4. The fiber optic connector of claim 1, wherein the second convex lens includes a corresponding second flat portion and a second convex portion, the second convex portion being disposed toward the filter, the second flat portion abutting an end of the second connection tube.
5. The fiber optic moveable connector of claim 1, wherein the first ferrule and the second ferrule are both ferrules.
6. The fiber optic connector of claim 1, wherein the sleeve is made of a ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921498951.0U CN210376768U (en) | 2019-09-09 | 2019-09-09 | Optical fiber movable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921498951.0U CN210376768U (en) | 2019-09-09 | 2019-09-09 | Optical fiber movable connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210376768U true CN210376768U (en) | 2020-04-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921498951.0U Active CN210376768U (en) | 2019-09-09 | 2019-09-09 | Optical fiber movable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210376768U (en) |
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2019
- 2019-09-09 CN CN201921498951.0U patent/CN210376768U/en active Active
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