CN218332062U - Miniaturized MT fiber connector - Google Patents
Miniaturized MT fiber connector Download PDFInfo
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- CN218332062U CN218332062U CN202222990340.6U CN202222990340U CN218332062U CN 218332062 U CN218332062 U CN 218332062U CN 202222990340 U CN202222990340 U CN 202222990340U CN 218332062 U CN218332062 U CN 218332062U
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Abstract
The utility model discloses a miniaturized MT optical fiber connector, which comprises a multi-core ferrule, a connector shell and two collimation PINs, wherein the connector shell is provided with at least one cantilever beam, and the cantilever beam is provided with an outward bulge; the connector shell is provided with a rear-mounted groove which communicates the inner cavity with the outside; and a step groove for accommodating the collimation PIN is arranged in the rear installation groove, and the two collimation PINs are both arranged on the multi-core ferrule and connected in the step groove. The outward bulge of the utility model is conveniently connected with the adapter in a clamping way, thereby achieving the purpose of quick assembly and disassembly, and thus, in most use occasions, free decoupling can be conveniently realized; this miniaturized MT fiber connector's simple structure has all reduced the size in length direction and width direction, and then has reached the module that uses the MPO connector and has integrated, miniaturized designing requirement.
Description
Technical Field
The utility model belongs to the technical field of fiber communication, concretely relates to miniaturized MT fiber connector.
Background
The connection between optical fibers and optical fibers, and the connection between optical fibers and devices, are basically realized through connectors, and with the explosive growth of information internet and cloud service, the requirements of optical fiber connection density are continuously increasing, i.e. more multi-path optical fiber connection is realized in a unit volume, and with the rapid growth of human demand for communication, the existing communication system faces greater challenges, where speed and energy consumption are two very critical factors, and it is desired to provide greater bandwidth in smaller space and lower energy consumption, so that a multi-core optical fiber connector capable of performing parallel optical fiber transceiving is widely applied.
At present, the traditional multi-core optical fiber connector (MPO) structure comprises a plurality of parts, long products, high height and wide width, and occupies too much wiring space, and particularly, the MPO connector has larger size in the width direction and the length direction, so that the module integration and miniaturization design of the MPO connector are difficult and serious; in addition, in the aspect of optical fiber connection, as a connector for movable coupling butt joint, in most use occasions, decoupling which can be conveniently and freely performed is needed, and connectors in the market at present, particularly small-size connectors, cannot be conveniently decoupled, so that great troubles are brought to engineering use.
In summary, a more reasonable technical solution needs to be provided to solve the technical problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a miniaturized MT fiber connector for solve the above-mentioned problem that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a miniaturized MT optical fiber connector comprises a multi-core ferrule, a connector shell and two collimation PINs, wherein the multi-core ferrule is arranged in an inner cavity of the connector shell; the connector shell is provided with a rear installation groove for communicating the inner cavity of the connector shell with the outside; and a step groove for accommodating the collimation PIN is arranged in the rear installation groove, and the two collimation PINs are both arranged on the multi-core ferrule and connected in the step groove.
As a preferred technical scheme of the utility model, collimation PIN is the cylinder structure, and collimation PIN's afterbody is provided with the annular groove, joint that the annular groove matches in the step inslot.
As the utility model discloses in an preferred technical scheme, the step inslot is provided with the spacing arch of C type, and the groove is adorned after the spacing arch of C type communicates through its opening part, and the width of the spacing bellied opening part of C type is less than the spacing bellied internal diameter of C type, the spacing arch of C type in the step inslot and the annular groove cooperation joint of collimation PIN, and the annular groove and the spacing bellied inner wall clearance fit of C type.
As a preferred technical solution in the present invention, the connector housing is made of an elastic material.
As an in the utility model discloses in an preferred technical scheme, be provided with two collimation holes that are parallel to each other on the multicore lock PIN, the installation that respectively matches of two collimation PINs is downthehole in a collimation.
As an optimized technical scheme in the utility model, back dress groove is linked together with the step groove.
As an optimized technical scheme in the utility model, the cantilever beam sinks in the connector housing and sets up for the connector housing part is unsettled at least partly in the direction of height of connector housing.
As a preferred technical solution in the present invention, the upper side and/or the lower side of the connector housing is/are provided with side grooves corresponding to the cantilever beams, and the cantilever beams are disposed in the corresponding side grooves; the size of the side groove is larger than that of the cantilever beam arm part sinking in the side groove, and movable gaps are formed between the side groove and the left side and the right side of the cantilever beam; the bottom of the side groove and the cantilever beam are provided with an elastic deformation gap, and the height of the elastic deformation gap is larger than that of the outward bulge.
As an in the utility model discloses in an preferred technical scheme, connector shell and two collimation PIN integrated into one piece.
As a preferred technical scheme in the utility model, miniaturized MT fiber connector still include the adapter, be provided with on the adapter and match the adapter window of joint with outside arch, the one end that is close to connector housing afterbody in the adapter window is provided with can prevent outside protruding off-going vertical position face that ends.
Has the advantages that: the utility model is provided with at least one cantilever beam on the connector shell, the cantilever beam is provided with an outward bulge which is convenient to be clamped with the adapter, thereby achieving the purpose of quick assembly and disassembly, thus realizing free decoupling conveniently in most use occasions; the connector shell is provided with a rear groove communicated with the inner cavity and the outside, optical fibers connected with the multi-core ferrule can enter the inner cavity of the connector shell through the rear groove, flexible reference of the assembly sequence of the multi-core ferrule and the connector shell can be realized, the multi-core ferrule can be assembled with the connector shell before the multi-core ferrule and the optical fibers are combined, the multi-core ferrule and the optical fibers can be assembled with the connector shell after the multi-core ferrule and the optical fibers are combined, and the connection is convenient; after adorn the inslot and be provided with the step groove that holds collimation PIN, two collimation PINs are all installed on the multicore lock PIN and are connected in the step groove, form the installation and the fixed knot structure of collimation PIN, it is convenient to connect, and can guarantee the stability of structure, and then form spacingly to the multicore lock PIN, make things convenient for the installation of multicore lock PIN more, two collimation PINs are all installed on the multicore lock PIN, accomplish basic usage structure, and the afterbody joint of collimation PIN is in the step inslot, it is spacing to form the collimation PIN through the step groove, and then guarantee the stability of collimation PIN, make miniaturized MT fiber connector's simple structure, all reduced the size in length direction and width direction, and then reached the module that uses the multicore lock PIN and integrated, miniaturized design requirement.
Drawings
Fig. 1 is a schematic structural diagram of a miniaturized MT fiber connector provided in the present invention;
fig. 2 is a schematic structural view of the connector housing provided by the present invention before being mated with the alignment PIN;
fig. 3 is a schematic cross-sectional view of a miniaturized MT fiber connector provided in the present invention;
fig. 4 is a schematic view of the connector housing and alignment PIN assembly provided by the present invention;
fig. 5 is a schematic structural view of the multi-core ferrule provided by the present invention;
fig. 6 is a schematic view of the assembly of the present invention with its adaptor;
fig. 7 is an assembly view of the present invention in combination with an optical fiber connector with its adapter mated to the MT;
FIG. 8 is a schematic diagram of the fiber optic connector of the present invention prior to assembly in conjunction with docking of its adapter with a conventional MPO;
FIG. 9 is a schematic diagram of the fiber optic connector of the present invention after assembly with its adapter and prior to assembly with a conventional MPO;
fig. 10 is a schematic structural diagram of a conventional multi-core optical fiber connector;
fig. 11 is a schematic diagram showing the length comparison between the miniaturized MT fiber connector provided by the present invention and the existing multi-core fiber connector;
fig. 12 is an exploded view of a conventional multi-fiber connector.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the accompanying drawings is only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any inventive work. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
The first embodiment is as follows:
as shown in fig. 1 to 5, the present embodiment provides a miniaturized MT fiber connector, including a multi-core ferrule 1, a connector housing 3 and two collimating PINs 2, where the multi-core ferrule 1 is disposed in an inner cavity of the connector housing 3, the connector housing 3 is provided with at least one cantilever beam 31, the cantilever beam 31 is provided with an outward protrusion 311, and the outward protrusion 311 is conveniently clamped with an adapter, so as to achieve the purpose of fast assembly and disassembly, and thus in most use occasions, free decoupling can be conveniently achieved; the connector shell 3 is provided with a rear groove 34 communicating the inner cavity of the connector shell with the outside, optical fibers connected with the multi-core ferrule 1 can enter the inner cavity of the connector shell 3 through the rear groove 34, flexible reference of the assembly sequence of the multi-core ferrule 1 and the connector shell 3 can be realized, the multi-core ferrule can be assembled with the connector shell before the multi-core ferrule and the optical fibers are combined, the multi-core ferrule and the optical fibers can be assembled with the connector shell after the multi-core ferrule and the optical fibers are combined, and the connection is convenient; the rear installation groove 34 is internally provided with a step groove 32 for accommodating the collimation PIN2, the two collimation PINs 2 are both arranged on the multi-core ferrule 1 and connected in the step groove 32 to form an installation and fixing structure of the collimation PIN, such as the step structure shown in fig. 1 and fig. 2, the connection is convenient, and the stability of the structure can be ensured, so that the multi-core ferrule 1 is limited, and the installation of the multi-core ferrule 1 is more convenient, the two collimation PINs 2 are both arranged on the multi-core ferrule 1 to complete a basic use structure, and the tail part of the collimation PIN2 is clamped in the step groove 32, and the collimation PIN2 is aligned through the step groove 32 to form a limit, so that the stability of the collimation PIN2 is ensured.
The utility model is provided with at least one cantilever beam 31 on the connector shell 3, the cantilever beam 31 is provided with an outward bulge 311, the outward bulge 311 is conveniently clamped with the adapter, thereby achieving the purpose of quick assembly and disassembly, thus being convenient to realize free decoupling on most occasions; the connector shell 3 is provided with a rear groove 34 communicating the inner cavity of the connector shell with the outside, optical fibers connected with the multi-core ferrule 1 can enter the inner cavity of the connector shell 3 through the rear groove 34, flexible reference of the assembly sequence of the multi-core ferrule 1 and the connector shell 3 can be realized, the multi-core ferrule can be assembled with the connector shell before the multi-core ferrule and the optical fibers are combined, the multi-core ferrule and the optical fibers can be assembled with the connector shell after the multi-core ferrule and the optical fibers are combined, and the connection is convenient; be provided with the step groove 32 that holds collimation PIN2 in the back dress groove 34, two collimation PIN2 all install on multicore lock PIN 1 and be connected in step groove 32, form installation and the fixed knot structure of collimation PIN, it is convenient to connect, and can guarantee the stability of structure, and then it is spacing to form multicore lock PIN 1, make things convenient for multicore lock PIN 1's installation more, two collimation PIN2 all install on multicore lock PIN 1, accomplish basic service structure, and the afterbody joint of collimation PIN2 is in step groove 32, it is spacing to aim at straight PIN2 through step groove 32, and then guarantee collimation PIN 2's stability, make miniaturized MT fiber connector's simple structure, all reduced the size on length direction and width direction, and then reached the module that uses the multicore lock PIN integrates, miniaturized design requirement.
As a preferred embodiment in this embodiment, it needs to be further described that, as shown in fig. 2, the alignment PIN2 is a cylindrical structure, an annular groove 21 is disposed at a tail of the alignment PIN2, the annular groove 21 is engaged with the stepped groove 32 in a matching manner, specifically, a C-shaped limiting protrusion 33 is disposed in the stepped groove 32, the C-shaped limiting protrusion 33 is communicated with a rear installation groove 34 through an opening of the C-shaped limiting protrusion 33, a width of the opening of the C-shaped limiting protrusion 33 is smaller than an inner diameter of the C-shaped limiting protrusion 33, the C-shaped limiting protrusion 33 in the stepped groove 32 is engaged with the annular groove 21 of the alignment PIN2 in a matching manner, so that the alignment PIN2 is more conveniently and stably engaged with the C-shaped limiting protrusion 33 in the stepped groove 32, the annular groove 21 cannot freely fall off from the opening of the C-shaped limiting protrusion 33, the annular groove 21 is in clearance fit with an inner wall of the C-shaped limiting protrusion 33, and the alignment PIN2 can shake relative to the connector housing 3.
As a preferred embodiment in this embodiment, it should be further noted that the connector housing 3 is made of an elastic material, such as plastic or an elastic metal sheet, so as to conveniently realize the clamping between the position of the annular groove 21 at the tail of the alignment PIN2 and the C-shaped limiting protrusion 33, and ensure the stability during the clamping.
As a preferred embodiment in this embodiment, it needs to be further described that the multicore ferrule 1 is provided with two collimation holes 11 parallel to each other, the two collimation PINs 2 are respectively installed in one collimation hole 11 in a matching manner, an aperture of the collimation hole 11 is set corresponding to a diameter size of the collimation PIN2, and when the connector housing 3 includes two step grooves 32, a central distance between the two step grooves 32 is set in matching manner with a hole distance of the collimation hole 11 corresponding to the multicore ferrule 1, so that the matching installation of the two collimation PINs 2 and the multicore ferrule 1 can be easily and quickly achieved.
As a preferred embodiment in this embodiment, it should be further explained that the rear installation groove 34 is communicated with the step groove 32, so as to ensure that the collimation PIN2 can be directly installed in the step groove 32.
As a preferred embodiment in this embodiment, it should be further noted that the cantilever beam 31 at least partially sinks in the connector housing 3 in the height direction of the connector housing 3 and is partially suspended from the connector housing 3, one end of the cantilever beam 31 is connected to the connector housing 3, and an outward protrusion 311 is disposed on the cantilever beam 31, so that the suspended portion of the cantilever beam 31 can generate a certain bending deformation effect, and the outward protrusion 311 on the cantilever beam 31 is further used for being engaged with the adapter 4.
As a preferred embodiment in this embodiment, it should be further explained that the upper side and/or the lower side of the connector housing 3 is provided with a side groove 35 corresponding to the cantilever beam 31, and the cantilever beam 31 is disposed in the corresponding side groove 35; the size of the side groove 35 is larger than that of the cantilever beam arm 31 sinking in the side groove 35, and movable gaps are formed between the side groove 35 and the left side and the right side of the cantilever beam 31; the bottom of the side groove 35 and the cantilever beam 31 have an elastic deformation gap, and the height of the elastic deformation gap is greater than that of the outward protrusion 311, so that the outward protrusion 311 is ensured to have enough elastic space, and when the outward protrusion is in fit connection with the adapter 4, a certain deformation of the cantilever beam 31 is allowed, so that the outward protrusion 311 is quickly in fit joint with the adapter 4.
As a preferred embodiment in this embodiment, it should be further described that the connector housing 3 and the two alignment PINs 2 are integrally formed, and the alignment PIN2 with low precision requirement is provided, so that the structure of the miniaturized connector is simpler and the cost is lower, and the application occasion with low precision requirement on the alignment PIN is also satisfied.
As a preferred embodiment in this embodiment, it should be further explained that the miniaturized MT optical fiber connector further includes an adapter 4, an adapter window 41 that is matched and clamped with the outward protrusion 311 is disposed on the adapter 4, a vertical stop surface 42 that can stop the outward protrusion 311 from disengaging is disposed at an end of the adapter window 41 near the tail of the connector housing 3, so as to prevent the outward protrusion 311 from exiting from the adapter window 41, and the connector housing 3 and the adapter 4 are configured in a matching manner, so that the use of the whole miniaturized MT optical fiber connector is more convenient.
Example two:
as shown in fig. 7: the present embodiment further provides another miniaturized MT fiber connector based on the technical solution of the first embodiment, which is different from the miniaturized MT fiber connector of the first embodiment in that: when the other optical fiber connector of the miniaturized MT optical fiber connector pair is also the same miniaturized MT optical fiber connector, it is only necessary to correspondingly optimize the adapter structure, so that the two ends of the adaptation are respectively provided with adapter windows 41 in matched and butted connection with the miniaturized MT optical fiber connector, one ends of the adapter windows 41 at the two ends, which are close to the tail of the connector housing 3, are respectively provided with a vertical stop surface 42 capable of preventing the outward protrusion 311 from disengaging, so as to prevent the outward protrusion 311 from exiting from the adapter windows 41, and the two connector housings 3 and the adapter windows 41 at the two ends of the adapter 4 are arranged in a matching manner, so that the two miniaturized MT optical fiber connectors can form a pair of nodes or systems for transmitting light.
Example three:
as shown in fig. 7: in this embodiment, on the basis of the technical solution of the second embodiment, another miniaturized MT optical fiber connector is provided, which is different from the miniaturized MT optical fiber connector of the second embodiment in that: in order to enable the butt joint end surfaces of the two miniaturized MT optical fiber connectors to have a certain pre-tightening force, an elastic device can be directly arranged between a multi-core ferrule of one of the miniaturized MT optical fiber connectors and a connector shell, only the structure of an adapter needs to be correspondingly optimized, adapter windows 41 which are matched and butted with the miniaturized MT optical fiber connectors are respectively arranged at two ends of the adapter, vertical stop surfaces 42 which can prevent outward bulges 311 from disengaging are respectively arranged at one ends, close to the tail parts of the connector shells 3, in the adapter windows 41 at the two ends, and the outward bulges 311 are prevented from exiting from the adapter windows 41, and the two connector shells 3 and the adapter windows 41 at the two ends of the adapter 4 are arranged in a matched mode, so that the two miniaturized MT optical fiber connectors form a pair of light transmission nodes or systems; and certain pretightening force is obtained on the end faces of the two inserting cores, so that the connector is more reliable and stable in butt joint.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for some of the features described therein. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention. For example, the technical idea and technical solution of the present invention can be applied to all fiber connectors and future types of fiber connectors and related optical-electrical hybrid connectors and adapters, such as LC type, SC type, ST type, FC type, MPO type, MT type, and other types of fiber connectors and adapters.
Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A miniaturized MT optical fiber connector comprises a multi-core ferrule (1), a connector shell (3) and two collimation PINs (2), wherein the multi-core ferrule (1) is arranged in an inner cavity of the connector shell (3), and is characterized in that at least one cantilever beam (31) is arranged on the connector shell (3), and an outward bulge (311) is arranged on the cantilever beam (31); the connector shell (3) is provided with a rear-mounted groove (34) for communicating the inner cavity of the connector shell with the outside; and a step groove (32) for accommodating the collimation PIN (2) is arranged in the rear groove (34), and the two collimation PINs (2) are both arranged on the multi-core ferrule (1) and connected in the step groove (32).
2. The miniaturized MT fiber connector according to claim 1, wherein the collimating PIN (2) is a cylinder structure, and the tail of the collimating PIN (2) is provided with an annular groove (21), and the annular groove (21) is matched and clamped in the stepped groove (32).
3. The miniaturized MT optical fiber connector according to claim 2, wherein a C-shaped limiting protrusion (33) is arranged in the stepped groove (32), the C-shaped limiting protrusion (33) is communicated with the rear installation groove (34) through the opening of the C-shaped limiting protrusion, and the width of the opening of the C-shaped limiting protrusion (33) is smaller than the inner diameter of the C-shaped limiting protrusion (33); spacing arch of C type (33) in step groove (32) and annular groove (21) cooperation joint of collimation PIN (2), and annular groove (21) and the spacing protruding inner wall clearance fit of (33) of C type.
4. A miniaturized MT fiber optic connector according to any of claims 1-3, characterized in that said connector housing (3) is made of an elastic material.
5. A miniaturized MT fiber connector according to claim 1, characterized in that said multi-core ferrule (1) is provided with two mutually parallel alignment holes (11), and two alignment PINs (2) are each fittingly mounted in one alignment hole (11).
6. A miniaturized MT fiber optic connector according to claim 1, characterized in that said rear mounting groove (34) communicates with a step groove (32).
7. A miniaturized MT fiber optic connector according to claim 1, characterized in that said cantilever beam (31) is at least partially sunk in the connector housing (3) in the height direction of the connector housing (3) and is partially suspended with respect to the connector housing (3).
8. A miniaturized MT fiber optic connector according to claim 7, characterized in that the connector housing (3) is provided with lateral grooves (35) at the upper and/or lower side corresponding to the cantilever beams (31), the cantilever beams (31) being provided in the corresponding lateral grooves (35); the size of the side groove (35) is larger than that of the cantilever beam (31) sinking in the side groove (35), and movable gaps are formed between the side groove (35) and the left side and the right side of the cantilever beam (31); the bottom of the side groove (35) and the cantilever beam (31) have an elastic deformation clearance, and the height of the elastic deformation clearance is larger than that of the outward bulge (311).
9. A miniaturized MT fiber optic connector according to claim 1, characterized in that said connector housing (3) and two alignment PINs (2) are integrally formed.
10. The miniaturized MT optical fiber connector according to claim 1, further comprising an adapter (4), wherein the adapter (4) is provided with an adapter window (41) which is matched and clamped with the outward protrusion (311), and one end of the adapter window (41) close to the tail part of the connector housing (3) is provided with a vertical stop surface (42) which can prevent the outward protrusion (311) from disengaging.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222990340.6U CN218332062U (en) | 2022-11-09 | 2022-11-09 | Miniaturized MT fiber connector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222990340.6U CN218332062U (en) | 2022-11-09 | 2022-11-09 | Miniaturized MT fiber connector |
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| CN218332062U true CN218332062U (en) | 2023-01-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024098704A1 (en) * | 2022-11-09 | 2024-05-16 | 武汉邮埃服光电科技有限公司 | Miniaturized mt optical fiber connector and adapter assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024098704A1 (en) * | 2022-11-09 | 2024-05-16 | 武汉邮埃服光电科技有限公司 | Miniaturized mt optical fiber connector and adapter assembly |
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