CN114518623A - Optical fiber adapter and optical fiber connector assembly - Google Patents
Optical fiber adapter and optical fiber connector assembly Download PDFInfo
- Publication number
- CN114518623A CN114518623A CN202210141382.4A CN202210141382A CN114518623A CN 114518623 A CN114518623 A CN 114518623A CN 202210141382 A CN202210141382 A CN 202210141382A CN 114518623 A CN114518623 A CN 114518623A
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- China
- Prior art keywords
- adapter
- optical fiber
- buckle
- outer sleeve
- locking
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
Abstract
The invention relates to a fiber adapter and fiber connector assembly, which is used for butt joint with a fiber connector and comprises: the adapter comprises an adapter body and a locking mechanism, wherein the adapter body is provided with a limiting groove and a locking elastic buckle; the adapter outer sleeve is sleeved outside the adapter main body, an outer sleeve buckle is arranged on the inner side of the adapter outer sleeve, and an inner push ring is arranged between the adapter outer sleeve and the adapter main body; when the optical fiber connector is inserted into the optical fiber adapter, the optical fiber connector pushes the inner push ring along the insertion direction, so that the inner push ring pushes the outer sleeve buckle to enter the limiting groove, and meanwhile, the locking elastic buckle is buckled and held on the optical fiber connector. According to the optical fiber adapter and the optical fiber connector assembly, the optical fiber adapter or the optical fiber connector does not need to be screwed, the optical fiber connector can be directly inserted along the insertion direction, the operation space required by locking is small, and the optical fiber adapter and the optical fiber connector assembly are easy to operate under the condition of high density requirement.
Description
Technical Field
The invention relates to the technical field of communication, in particular to an optical fiber adapter.
Background
With the development of the fifth generation mobile network, a large number of electronic devices such as Access Point (AP) devices and webcams are widely used, optical fibers are more and more widely used, and the convenience of operation of the electronic devices is more and more emphasized as connectors and adapters serve as connecting parts.
However, the majority of the fiber optic connectors and adapters in use today are industry standard type connectors and adapters. The connector and adapter of this type are designed to solve the problem of indoor optical fiber connection or optical fiber connection in a protection box (box), and the box needs to be opened when the service is opened, and the operations such as fusion splicing, optical cable fixing and the like are performed in the box. In order to avoid actions of opening a box, welding, fixing an optical cable and the like when a service is opened, the outdoor optical fiber connector and the adapter which have better waterproof performance and can be preassembled outside the box body for use are gradually applied.
In the related art, most of the locking methods adopted by the existing optical fiber connectors and adapters are screw-type locking methods, and due to the characteristics of the screw-type locking methods, finger operation spaces are required to be reserved around the connectors and the adapters, so that the operation is very difficult under the condition of limited installation space, particularly under the condition of high density requirement.
Therefore, there is a need for a new fiber optic adapter and fiber optic connector assembly that overcomes the above-mentioned problems.
Disclosure of Invention
The embodiment of the invention provides an optical fiber adapter and an optical fiber connector assembly, which aim to solve the problem that in the prior art, a screwing type locking mode is very difficult to operate under the condition of limited installation space, particularly under the condition of higher density requirement.
In a first aspect, a fiber optic adapter is provided for interfacing with a fiber optic connector, comprising: the adapter comprises an adapter main body, a connecting piece and a locking elastic buckle, wherein the adapter main body is provided with a limiting groove and is provided with the locking elastic buckle; the adapter outer sleeve is sleeved outside the adapter main body, an outer sleeve buckle is arranged on the inner side of the adapter outer sleeve, and an inner push ring is arranged between the adapter outer sleeve and the adapter main body; when the optical fiber connector is inserted into the optical fiber adapter, the optical fiber connector pushes the inner push ring along the insertion direction, so that the inner push ring pushes the outer sleeve buckle to enter the limiting groove, and meanwhile, the locking elastic buckle is buckled and held on the optical fiber connector.
In some embodiments, the adapter body is provided with a limiting convex rib at one side of the limiting groove, and when the adapter body and the adapter housing are in an unlocked state, the housing is blocked at one side of the limiting convex rib in a buckling manner; when the inner push ring pushes the outer sleeve buckle, the outer sleeve buckle crosses the limiting convex rib to enter the limiting groove, so that the adapter outer sleeve is locked with the adapter main body.
In some embodiments, the inner side of the outer sleeve buckle is provided with a first wedge-shaped surface, and the first wedge-shaped surface gradually extends towards the direction close to the adapter main body along the insertion direction of the optical fiber connector; and one side of the inner push ring close to the outer sleeve buckle is provided with a second wedge-shaped surface matched with the first wedge-shaped surface.
In some embodiments, the adapter housing includes a main housing sleeved outside the adapter body, the housing is connected to the main housing by a buckle, and the housing buckle is formed by bending and extending from a connection position of the housing and the main housing to a direction close to the inner push ring.
In some embodiments, an elastic member is further disposed on the inner side of the adapter outer casing, the elastic member extends along the axial direction of the adapter main body, and one end of the elastic member abuts against the inner push ring and the other end abuts against the adapter outer casing; when the inner push ring pushes the outer sleeve buckle, the elastic piece pushes the adapter outer sleeve to advance; when the adapter jacket retreats, the elastic piece pushes the inner push ring to retreat.
In some embodiments, the adapter body has a cavity therein for receiving the fiber optic connector, and the adapter body has a through groove penetrating through a wall thickness thereof, the through groove communicating with the cavity, and the adapter body further has a stop portion at the through groove; the locking elastic buckle comprises an elastic arm and a locking convex point arranged at one end of the elastic arm, the other end of the elastic arm is connected with the adapter main body, the elastic arm is correspondingly positioned at the outer side of the stopping part, the locking convex point is correspondingly accommodated in the through groove, and the locking convex point partially enters the cavity.
In some embodiments, the inner side of the adapter outer sleeve is further provided with a pressing ring structure, and when the outer sleeve buckle enters the limiting groove, the pressing ring structure is stopped at the outer side of the locking elastic buckle.
In some embodiments, the adapter body is further provided with an inverted buckle, the inverted buckle is provided with a locking surface and a step structure connected with the locking surface, and the step structure and the locking surface form a mounting groove for clamping a box body; when the adapter is installed in the box body, the box body is clamped at the outer side of the step structure.
In some embodiments, the optical fiber adapter further includes an adapter plug, the adapter plug is provided with a first locking groove corresponding to the locking elastic buckle, when the adapter plug is inserted into one end of the adapter body, the adapter plug pushes the inner push ring along an insertion direction, so that the inner push ring pushes the outer sleeve buckle to enter the limiting groove, and meanwhile, the locking elastic buckle is buckled in the first locking groove.
In a second aspect, there is provided an optical fiber connector assembly comprising: the optical fiber adapter and the optical fiber connector are provided with second locking grooves matched with the locking elastic buckles; when the optical fiber connector is inserted into the optical fiber adapter, the optical fiber connector pushes the inner push ring along the insertion direction, so that the inner push ring pushes the outer sleeve buckle to enter the limiting groove, and meanwhile, the locking elastic buckle is buckled and held in the second locking groove.
In some embodiments, the fiber optic connector comprises: the connector comprises a connector body, a first connecting piece and a second connecting piece, wherein the connector body is provided with a first thread structure and a positioning key structure, and the positioning key structure is used for being matched and positioned with the adapter; and the connector rear sleeve is provided with a second thread structure, and the second thread structure is in threaded connection with the first thread structure.
The technical scheme provided by the invention has the beneficial effects that:
the embodiment of the invention provides an optical fiber adapter and an optical fiber connector assembly, wherein a limiting groove and a locking elastic buckle are arranged on an adapter main body, and an inner push ring is arranged between the adapter main body and an adapter outer sleeve.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a fiber optic adapter according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an unlocked state of a fiber optic adapter according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of another section of a fiber optic adapter provided in an unlocked state according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a fiber optic adapter in a locked state according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of another cross-section of a fiber optic adapter in a locked state according to an embodiment of the present invention;
FIG. 6 is a schematic front view of an adapter body according to an embodiment of the present invention;
FIG. 7 is a schematic perspective view of an adapter housing provided in accordance with an embodiment of the present invention;
FIG. 8 is a cross-sectional view of an adapter housing provided in accordance with an embodiment of the present invention;
Fig. 9 is a schematic perspective view of an optical fiber connector according to an embodiment of the present invention;
FIG. 10 is a schematic cross-sectional view of an optical fiber connector according to an embodiment of the present invention;
fig. 11 is a schematic cross-sectional view of a connector body according to an embodiment of the present invention;
fig. 12 is a schematic perspective view of a rear cover of a connector according to an embodiment of the present invention.
In the figure:
100. a fiber optic adapter;
1. an adapter body; 11. a limiting groove; 12. locking the elastic buckle; 13. limiting convex ribs; 14. a stopper portion; 16. inverting the buckle; 161. a locking surface; 162. a step structure; 17. a first mating portion; 18. a second docking portion;
2. an adapter housing; 21. a buckle is sleeved outside; 211. a first wedge-shaped face; 22. a pressure ring structure; 3. an inner push ring; 31. a second wedge-shaped face;
4. an elastic member; 5. an adapter plug; 51. a first locking groove; 6. a pull rope structure;
200. an optical fiber connector;
201. a connector body; 2011. a second locking groove; 2012. a first thread formation; 2013. a positioning key structure; 202. a connector housing;
203. a connector rear sleeve; 2031. a second thread formation; 2032. injecting glue holes; 2033. a clamping nail groove; 204. installing a staple bolt; 205. an optical cable; 206. a connector heat shrink tube; 207. a traction cap;
300. And (5) a box body.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The embodiment of the invention provides an optical fiber adapter and an optical fiber connector assembly, which can solve the problem that a screwing type locking mode in the related art is very difficult to operate under the condition of limited installation space, particularly under the condition of higher density requirement.
Referring to fig. 1 to 3, a fiber optic adapter 100 according to an embodiment of the present invention is provided, where the fiber optic adapter 100 is configured to interface with a fiber optic connector 200, where the fiber optic adapter 100 may include: the adapter comprises an adapter body 1 and a locking elastic buckle, wherein the adapter body 1 is provided with a limiting groove 11, the limiting groove 11 can be a through groove or a blind groove, the adapter body 1 is provided with the locking elastic buckle 12, the locking elastic buckle 12 protrudes from a joint of the adapter body 1 to the inside of the adapter body 1 so as to be matched and locked with an optical fiber connector 200 conveniently, in the embodiment, the adapter body 1 can be provided with a first butt joint part 17 used for being matched with an outdoor pre-manufactured end optical fiber connector 200 and a second butt joint part 18 used for being matched with a standard SC connector, and the limiting groove 11 and the locking elastic buckle 12 are both arranged on the first butt joint part 17; in this embodiment, the adapter housing 2 is mainly sleeved outside the first butt-joint portion 17, the inner side of the adapter housing 2 may have a housing buckle 21, and an inner push ring 3 is disposed between the adapter housing 2 and the adapter body 1, that is, a gap is formed between the adapter housing 2 and the adapter body 1, and the inner push ring 3 may be located in the gap; when the optical fiber connector 200 is inserted into the optical fiber adapter 100, so that the optical fiber connector 200 is butted with the first butting portion 17, the optical fiber connector 200 pushes the inner push ring 3 along the insertion direction, so that the inner push ring 3 pushes the outer sleeve buckle 21 to enter the limiting groove 11, and meanwhile, the locking elastic buckle 12 is buckled on the optical fiber connector 200. It can be understood that the inner push ring 3 can directly contact with the outer sleeve buckle 21 to push the outer sleeve buckle 21 to move, and the inner push ring 3 can indirectly contact with the outer sleeve buckle 21 to push the outer sleeve buckle 21 to move.
In this embodiment, since the adapter body 1 is provided with the limiting groove 11 and the locking elastic buckle 12, and the inner push ring 3 is arranged between the adapter body 1 and the adapter housing 2, when the optical fiber connector 200 is inserted into the optical fiber adapter 100, the optical fiber connector 200 can push the inner push ring 3 along the insertion direction (i.e. along a straight line), so as to drive the housing buckle 21 on the adapter housing 2 to enter the limiting groove 11, thereby realizing the locking of the adapter housing 2 and the adapter body 1, and no additional operation steps such as screwing and the like are required to lock, so that the operation is more convenient, and meanwhile, the locking elastic buckle 12 can buckle the optical fiber connector 200, so as to realize the locking of the optical fiber adapter 100 and the optical fiber connector 200, the plug-in connection manner is more convenient than the screwing operation in the related art, so as to improve the assembly efficiency, and the operation space required for directly inserting the optical fiber connector 200 along the insertion direction is smaller, the operation is easier even when the density requirement is higher.
Referring to fig. 2 and 5, in some embodiments, the adapter body 1 may be provided with a limiting convex rib 13 on one side of the limiting groove 11, when the adapter body 1 and the adapter housing 2 are in an unlocked state, the housing buckle 21 is stopped on one side of the limiting convex rib 13, in this embodiment, the limiting convex rib 13 is located behind the limiting groove 11, and when the adapter body 1 and the adapter housing 2 are in an unlocked state, the housing buckle 21 is located on one side of the limiting convex rib 13 away from the limiting groove 11; when the inner push ring 3 pushes the outer sleeve buckle 21, the outer sleeve buckle 21 advances over the limiting convex rib 13 and enters the limiting groove 11, so that the adapter outer sleeve 2 is locked with the adapter main body 1. In this embodiment, the limiting convex rib 13 is arranged, so that the outer sleeve buckle 21 is ensured to be difficult to enter the limiting groove 11 in the unlocking state, the unlocking state and the locking state are obviously separated, and meanwhile, after the outer sleeve buckle 21 enters the limiting groove 11, the outer sleeve buckle 21 is difficult to leave the limiting groove 11 due to the stopping of the limiting convex rib 13.
Preferably, the front side and the rear side of the limiting convex rib 13 are respectively provided with an inclined surface and a vertical stop surface, when the adapter outer sleeve 2 is in an unlocking state, the outer sleeve buckle 21 is abutted against the stop surfaces, when the adapter outer sleeve 2 is in a locking state, the outer sleeve buckle 21 is positioned in the limiting groove 11, and due to the inclined surface arranged on the front side of the limiting convex rib 13, when the adapter outer sleeve 2 needs to be unlocked, a backward force is applied to the adapter outer sleeve 2, and the outer sleeve buckle 21 can slide out from the limiting groove 11 along the inclined surface, so that unlocking is realized.
On the basis of the above technical solution, referring to fig. 2, 7 and 8, the inner side of the outer sleeve buckle 21 may be provided with a first wedge-shaped surface 211, where the first wedge-shaped surface 211 gradually extends obliquely toward the direction of the adapter body 1 along the insertion direction of the optical fiber connector 200, in this embodiment, the optical fiber connector 200 is inserted into the optical fiber adapter 100 from the back to the front along the axial direction of the adapter body 1, and the first wedge-shaped surface 211 extends obliquely from the back to the front and inward on the outer sleeve buckle 21; the inner push ring 3 is close to one side of the outer sleeve buckle 21 is provided with a second wedge-shaped surface 31 matched with the first wedge-shaped surface 211, namely, the second wedge-shaped surface 31 is approximately parallel to the first wedge-shaped surface 211, so the arrangement is realized, when the inner push ring 3 moves forwards, the front end of the second wedge-shaped surface 31 can be firstly contacted with the rear end of the first wedge-shaped surface 211, along with the further forward movement of the inner push ring 3, the second wedge-shaped surface 31 can gradually lift the first wedge-shaped surface 211, namely, the outer sleeve buckle 21 is lifted up, and when the innermost side of the outer sleeve buckle 21 exceeds the outer edge of the limit convex rib 13, the outer sleeve buckle 21 can cross the limit convex rib 13 and enter the limit groove 11. In this embodiment, the first wedge-shaped surface 211 and the second wedge-shaped surface 31 are arranged, so that the outer sleeve buckle 21 is easily lifted by the inner push ring 3, and the outer sleeve buckle 21 is driven to enter the limiting groove 11.
Referring to fig. 2 and 4, in some alternative embodiments, the adapter outer sleeve 2 may include a main sleeve sleeved outside the adapter main body 1, and the outer sleeve buckle 21 is connected to the main sleeve, in this embodiment, the outer sleeve buckle 21 is integrally formed with the main sleeve, and the outer sleeve buckle 21 is formed by bending and extending from a connection point with the main sleeve to a direction close to the inner push ring 3, that is, the outer sleeve buckle 21 is similar to an elastic arm shape and is bent and extended to a certain length, and a gap may be provided between the outer sleeve buckle 21 and the main sleeve, so that the outer sleeve buckle 21 has better elasticity.
Referring to fig. 4, further, an elastic member 4 may be further disposed on the inner side of the adapter housing 2, where the elastic member 4 extends along the axial direction of the adapter body 1, and one end of the elastic member 4 abuts against the inner push ring 3, and the other end abuts against the adapter housing 2, that is, the elastic member 4 is in a compressed state on the inner side of the adapter housing 2, and the elastic member 4 has a certain elasticity, in this embodiment, the elastic member 4 is preferably a spring, and in other embodiments, the elastic member 4 may also be another elastic member; when the inner push ring 3 pushes the outer sleeve buckle 21, the elastic piece 4 pushes the adapter outer sleeve 2 to advance, because the front end of the elastic piece 4 contacts the adapter outer sleeve 2 and the rear end of the elastic piece 4 contacts the inner push ring 3, when the inner push ring 3 advances, the inner push ring 3 can also push the elastic piece 4 to compress, and when the outer sleeve buckle 21 passes over the limiting convex rib 13, the adapter outer sleeve 2 advances to a locking state under the action of the elastic force of the elastic piece 4; when the adapter jacket 2 retreats (wherein, the adapter jacket 2 can be manually driven to retreat), the elastic member 4 is compressed by the retreat of the adapter jacket 2, and under the action of the elastic force, the elastic member 4 can push the inner push ring 3 to retreat, thereby completing the unlocking of the adapter jacket 2 and the adapter body 1. In this embodiment, through setting up elastic component 4 for elastic component 4 can advance by automatic drive adapter overcoat 2, and the automatic drive pushes away ring 3 and retreats, has reduced motion's part, has reduced adaptation assembly cost and material cost.
In some embodiments, referring to fig. 3, the adapter body 1 may have a cavity for receiving the optical fiber connector 200 therein, and the adapter body 1 has a through slot penetrating through a wall thickness of the adapter body 1, the through slot is communicated with the cavity, the adapter body 1 is further provided with a stop portion 14 at the through slot, wherein the stop portion 14 may be suspended, that is, one end of the stop portion 14 is connected to the adapter body 1, and the other portions are in a free state, and the stop portion 14 may also be connected to the adapter body 1 at least on three sides; the locking elastic buckle 12 may include an elastic arm and a locking protrusion disposed at one end of the elastic arm, wherein the elastic arm and the locking protrusion are preferably integrally formed, the other end of the elastic arm is connected to the adapter body 1, the elastic arm is correspondingly located at an outer side of the stop portion 14, that is, the stop portion 14 is stopped at an inner side of the elastic arm, the stop portion 14 may be parallel to the elastic arm, the stop portion 14 may also be configured into various different curved shapes, the locking protrusion is correspondingly accommodated in the through groove, and the locking protrusion partially enters the cavity, so as to be conveniently locked and matched with the optical fiber connector 200. In this embodiment, the stopper 14 is disposed inside the elastic arm, so as to prevent the elastic arm from bending excessively inward, and prolong the service life of the locking elastic buckle 12.
Referring to fig. 3 and 4, in some alternative embodiments, a press ring structure 22 may be further disposed on the inner side of the adapter housing 2, wherein the press ring structure 22 is preferably integrally formed with the adapter housing 2, and when the housing buckle 21 enters the limiting groove 11, the press ring structure 22 is stopped at the outer side of the locking elastic buckle 12, so as to prevent the locking elastic buckle 12 from bouncing up, thereby achieving a locking function; when the adapter jacket 2 retreats, the press ring structure 22 retreats together, leaving a space outside the locking elastic buckle 12, so that the locking elastic buckle 12 is in a bounceable state.
Referring to fig. 4 and 6, in some embodiments, the adapter body 1 may further be provided with an inverted buckle 16, in this embodiment, the inverted buckle 16 is provided on the second butt-joint portion 18 of the adapter body 1, the inverted buckle 16 has elasticity, and the inverted buckle 16 has a locking surface 161 and a step structure 162 connected with the locking surface 161, the step structure 162 and the locking surface 161 form a mounting groove for mounting the box 300, and the locking surface 161 is substantially perpendicular to the step structure 162; when the adapter is mounted on the box body 300, the box body 300 is clamped in the mounting groove, the box body 300 is located on the outer side of the stepped structure 162, the box body 300 can occupy the space on the outer side of the stepped structure 162, when the inverted buckle 16 is stressed, the box body 300 can limit the stepped structure 162, the stepped structure 162 further limits the inverted buckle 16, the inverted buckle 16 cannot turn outwards, the inverted buckle 16 is prevented from being damaged, and the optical fiber adapter 100 cannot be separated from the box body 300. Because the optical fiber adapter 100 and the box body 300 adopt the matching structure of the inverted buckle 16, and the inverted buckle 16 adopts a step structure, the processes of nuts and nut assembly are reduced, the assembly of the optical fiber adapter 100 and the box body 300 is simplified, the tensile strength of the assembly of the optical fiber adapter 100 and the box body 300 is ensured, and the material cost and the assembly cost are reduced. In this embodiment, the adapter main body 1 is further provided with a sealing groove, and a sealing ring is arranged in the sealing groove, so that when the optical fiber adapter 100 is installed on the box body 300, the sealing ring can seal between the optical fiber adapter 100 and the box body 300.
In some alternative embodiments, referring to fig. 4, the fiber optic adapter 100 may further include an adapter plug 5, the adapter plug 5 is provided with a first locking slot 51 corresponding to the locking elastic buckle 12, wherein the adapter plug 5 comprises an inner ring and an outer ring, the first locking groove 51 is provided in the inner ring, when the adapter plug 5 is inserted into one end of the adapter body 1, the inner ring of the adapter plug 5 enters the adapter body 1, the outer ring of the adapter plug 5 pushes the inner push ring 3 along the insertion direction, so that the inner push ring 3 pushes the outer sleeve buckle 21 to enter the limit groove 11, when the outer sleeve buckle 21 enters the limiting groove 11, the locking elastic buckle 12 is buckled and held in the first locking groove 51, and meanwhile, the locking of the adapter outer sleeve 2 and the adapter main body 1 and the locking of the adapter main body 1 and the adapter plug 5 are realized. The adapter plug 5 can play a dustproof role, and the locking structures of the adapter plug 5 and the adapter body 1 are the same as the locking structures of the adapter body 1 and the optical fiber connector 200, so that the locking structure independently arranged on the adapter plug 5 in a matched mode is saved, and the structure of the whole optical fiber adapter 100 is simplified.
Further, can set up stay cord structure 6 on the adapter overcoat 2, pulling stay cord structure 6, perhaps pulling adapter overcoat 2, initial position can be shifted to behind adapter overcoat 2, realizes the unblock.
An embodiment of the present invention further provides an optical fiber connector assembly, which may include: the fiber optic adapter 100 and the fiber optic connector 200 provided in any of the above embodiments, the fiber optic connector 200 may have a second locking groove 2011 for cooperating with the locking elastic buckle 12; when the optical fiber connector 200 is inserted into the optical fiber adapter 100, the optical fiber connector 200 pushes the inner push ring 3 along the insertion direction, so that the inner push ring 3 pushes the outer sleeve fastener 21 to enter the limiting groove 11, and meanwhile, the locking elastic fastener 12 is fastened in the second locking groove 2011. In this embodiment, referring to fig. 9 to 11, the optical fiber connector 200 includes a connector body 201 and a connector outer sleeve 202 sleeved outside the connector body 201, wherein the second locking groove 2011 is disposed on the connector body 201, when the optical fiber connector 200 is inserted into the optical fiber adapter 100, the connector body 201 enters a cavity inside the adapter body 1, the connector outer sleeve 202 is inserted between the adapter body 1 and the adapter outer sleeve 2, and the connector outer sleeve 202 can push the inner push ring 3 to move forward, so that the outer sleeve buckle 21 enters the limiting groove 11, locking of the adapter body 1 and the adapter outer sleeve 2 is realized, and meanwhile, the locking elastic buckle 12 enters the cavity and is locked with the second locking groove 2011, so as to complete butt locking of the optical fiber connector 200 and the optical fiber adapter 100. The optical fiber adapter 100 or the optical fiber connector 200 does not need to be screwed, the optical fiber connector 200 can be directly inserted along the insertion direction, the operation space required by locking is small, and the optical fiber adapter is easy to operate under the condition of high density requirement, so that the optical fiber connector has a wide market.
Further, referring to fig. 11, the connector body 201 may have a first thread structure 2012, and the connector body 201 is provided with a positioning key structure 2013, the positioning key structure 2013 is used for being matched and positioned with the adapter, and the positioning key structure 2013 may be used as an insertion core insertion alignment structure, so as to achieve insertion core angle alignment when the optical fiber connector 200 is inserted, ensure good optical performance, enable the optical fiber connector 200 to be aligned visually and easily when inserted, and have good error-proof operation measures, which is convenient for operation. The optical fiber connector 200 may further include a connector back 203, the connector back 203 has a second thread structure 2031, the second thread structure 2031 is in threaded connection with the first thread structure 2012, and the connector body 201 and the connector back 203 are detachably connected by threads, so that the connector body 201 and the connector back 203 are reliably connected.
In some alternative embodiments, referring to fig. 12, the rear connector housing 203 may be provided with a staple groove 2033, after the optical cable 205 is inserted into the rear connector housing 203, the optical cable 205 may be fixed to the rear connector housing 203 by inserting the installation staple 204 into the staple groove 2033, and the installation staple 204 has a claw structure, the claw structure can hold the optical cable 205 tightly for fixing the optical cable 205, and when a stronger fixing is required, the optical cable may also be fixed by dispensing through a glue injection hole 2032 on the rear connector housing 203, and finally, the heat shrinkable connector tube 206 is shrunk to seal the optical cable 205 and strengthen the fixing of the optical cable 205. The optical cable 205 connector and the optical cable 205 are fixed by adopting a structure that the installation clamp 204 is matched with the connector heat shrink tube 206, so that the assembly of the optical fiber connector 200 is simplified compared with the traditional crimping structure, the assembly efficiency is improved, and the material cost and the assembly cost of the connector are reduced.
Referring to fig. 10 and 11, in this embodiment, an inner bushing and a ferrule assembly may be further disposed inside the connector body 201, a connector tail sleeve may be further sleeved outside the connector rear sleeve 203, and the optical fiber connector 200 further includes a pulling cap 207 connected by a connecting rope. Sealing structures are arranged between the connector body 201 and the connector outer sleeve 202, between the connector body 201 and the traction cap 207, and at the joints of the traction cap 207 and the connector outer sleeve 202.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is noted that, in the present invention, relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The above description is merely illustrative of particular embodiments of the invention that enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (11)
1. A fiber optic adapter for interfacing with a fiber optic connector, comprising:
the adapter comprises an adapter body (1) and a locking elastic buckle (12), wherein the adapter body (1) is provided with a limiting groove (11);
the adapter outer sleeve (2) is sleeved outside the adapter main body (1), an outer sleeve buckle (21) is arranged on the inner side of the adapter outer sleeve (2), and an inner push ring (3) is arranged between the adapter outer sleeve (2) and the adapter main body (1);
when the optical fiber connector is inserted into the optical fiber adapter, the optical fiber connector pushes the inner push ring (3) along the insertion direction, so that the inner push ring (3) pushes the outer sleeve buckle (21) to enter the limiting groove (11), and meanwhile, the locking elastic buckle (12) is buckled on the optical fiber connector.
2. The fiber optic adapter of claim 1, wherein:
the adapter main body (1) is provided with a limiting convex rib (13) at one side of the limiting groove (11), and when the adapter main body (1) and the adapter outer sleeve (2) are in an unlocking state, the outer sleeve buckle (21) is stopped at one side of the limiting convex rib (13);
when the inner push ring (3) pushes the outer sleeve buckle (21), the outer sleeve buckle (21) crosses the limiting convex rib (13) to enter the limiting groove (11), so that the adapter outer sleeve (2) is locked with the adapter main body (1).
3. The fiber optic adapter of claims 1 or 2, wherein:
a first wedge-shaped surface (211) is arranged on the inner side of the outer sleeve buckle (21), and the first wedge-shaped surface (211) gradually extends towards the direction close to the adapter main body (1) along the insertion direction of the optical fiber connector in an inclined mode;
one side of the inner push ring (3) close to the outer sleeve buckle (21) is provided with a second wedge-shaped surface (31) matched with the first wedge-shaped surface (211).
4. The fiber optic adapter of claim 1, wherein:
adapter overcoat (2) are located including the cover the outer main cover of adapter main part (1), overcoat buckle (21) connect in the main cover, just overcoat buckle (21) from with the junction of main cover is to being close to the direction bending extension of interior push ring (3) forms.
5. The fiber optic adapter of claim 1, wherein:
the inner side of the adapter outer sleeve (2) is also provided with an elastic piece (4), the elastic piece (4) extends along the axis direction of the adapter main body (1), one end of the elastic piece (4) abuts against the inner push ring (3), and the other end abuts against the adapter outer sleeve (2);
when the inner push ring (3) pushes the outer sleeve buckle (21), the elastic piece (4) pushes the adapter outer sleeve (2) to advance; when the adapter jacket (2) retreats, the elastic piece (4) pushes the inner push ring (3) to retreat.
6. The fiber optic adapter of claim 1, wherein:
the adapter body (1) is internally provided with a cavity for accommodating the optical fiber connector, the adapter body (1) is provided with a through groove penetrating through the wall thickness of the adapter body, the through groove is communicated with the cavity, and the adapter body (1) is also provided with a stopping part (14) at the through groove;
the locking elastic buckle (12) comprises an elastic arm and a locking convex point arranged at one end of the elastic arm, the other end of the elastic arm is connected with the adapter main body (1), the elastic arm is correspondingly positioned at the outer side of the stop part (14), the locking convex point is correspondingly accommodated in the through groove, and the locking convex point partially enters the cavity.
7. The fiber optic adapter of claim 1, wherein:
the inside of adapter overcoat (2) still is equipped with clamping ring structure (22), works as overcoat buckle (21) get into when spacing groove (11), clamping ring structure (22) stop in the outside of locking elasticity is detained (12).
8. The fiber optic adapter of claim 1, wherein:
the adapter body (1) is further provided with an inverted buckle (16), the inverted buckle (16) is provided with a locking surface (161) and a step structure (162) connected with the locking surface (161), and the step structure (162) and the locking surface (161) form an installation groove for clamping a box body (300);
When the adapter is installed on the box body (300), the box body (300) is clamped on the outer side of the step structure (162).
9. The fiber optic adapter of claim 1, wherein:
the optical fiber adapter also comprises an adapter plug (5), the adapter plug (5) is provided with a first locking groove (51) corresponding to the locking elastic buckle (12),
when the adapter plug (5) is inserted into one end of the adapter main body (1), the adapter plug (5) pushes the inner push ring (3) along the insertion direction, so that the inner push ring (3) pushes the outer sleeve buckle (21) to enter the limiting groove (11), and meanwhile, the locking elastic buckle (12) is buckled and held in the first locking groove (51).
10. An optical fiber connector assembly, comprising:
the fiber optic adapter of claim 1, and a fiber optic connector having a second locking groove (2011) that mates with the locking spring catch (12);
when the optical fiber connector is inserted into the optical fiber adapter, the optical fiber connector pushes the inner push ring (3) along the insertion direction, so that the inner push ring (3) pushes the outer sleeve buckle (21) to enter the limiting groove (11), and meanwhile, the locking elastic buckle (12) is buckled and held in the second locking groove (2011).
11. The fiber optic connector assembly of claim 10, wherein the fiber optic connector comprises:
the connector comprises a connector body (201), wherein the connector body (201) is provided with a first thread structure (2012), the connector body (201) is provided with a positioning key structure (2013), and the positioning key structure (2013) is used for being matched and positioned with the adapter;
and a connector back case (203), the connector back case (203) having a second thread structure (2031), the second thread structure (2031) being threadedly connected with the first thread structure (2012).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210141382.4A CN114518623B (en) | 2022-02-16 | 2022-02-16 | Optical fiber adapter and optical fiber connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210141382.4A CN114518623B (en) | 2022-02-16 | 2022-02-16 | Optical fiber adapter and optical fiber connector assembly |
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| CN114518623A true CN114518623A (en) | 2022-05-20 |
| CN114518623B CN114518623B (en) | 2023-06-20 |
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| CN202210141382.4A Active CN114518623B (en) | 2022-02-16 | 2022-02-16 | Optical fiber adapter and optical fiber connector assembly |
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| CN115421252A (en) * | 2022-09-01 | 2022-12-02 | 烽火通信科技股份有限公司 | Adapter, connector and optical fiber connection box |
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| US20200116950A1 (en) * | 2018-10-11 | 2020-04-16 | Senko Advanced Compounds Inc | Outdoor rated assembly configured to blind mate opposing fiber optic connectors therein with a safety spring assembly |
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| CN115421252A (en) * | 2022-09-01 | 2022-12-02 | 烽火通信科技股份有限公司 | Adapter, connector and optical fiber connection box |
| CN115421252B (en) * | 2022-09-01 | 2023-08-11 | 烽火通信科技股份有限公司 | Adapter, connector and optical fiber connection box |
| WO2024045463A1 (en) * | 2022-09-01 | 2024-03-07 | 烽火通信科技股份有限公司 | Connector, adapter, and connector assembly |
| WO2024045466A1 (en) * | 2022-09-01 | 2024-03-07 | 烽火通信科技股份有限公司 | Adapter, connector, and optical fiber connection box |
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| Publication number | Publication date |
|---|---|
| CN114518623B (en) | 2023-06-20 |
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