CN112415666A - Connector assembly, optical fiber connector and prefabricated optical cable - Google Patents
Connector assembly, optical fiber connector and prefabricated optical cable Download PDFInfo
- Publication number
- CN112415666A CN112415666A CN202011270574.2A CN202011270574A CN112415666A CN 112415666 A CN112415666 A CN 112415666A CN 202011270574 A CN202011270574 A CN 202011270574A CN 112415666 A CN112415666 A CN 112415666A
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- China
- Prior art keywords
- base
- ferrule
- fixing
- optical fiber
- sleeve
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Classifications
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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
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading means
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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
- G02B6/3869—Mounting ferrules to connector body, i.e. 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
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
Abstract
The application provides a connector assembly, optical fiber connector, fiber connector and prefabricated optical cable. The connector assembly comprises a fixed sleeve, an elastic component, a fixed base, a ferrule and a ferrule base, wherein optical fibers extending out of an optical cable sequentially penetrate through the fixed sleeve, the fixed base and the ferrule base and are connected with the ferrule inserted on the fixed base; the fixing sleeve is used for fixing the optical cable, and the elastic component is positioned between the fixing sleeve and the fixing base; the ferrule base is connected with the fixed sleeve through a first connecting structure, and the first connecting structure is used for enabling the ferrule base to have a certain moving distance along the axis direction of the optical cable when the ferrule base is connected with the fixed sleeve; the ferrule base includes a first abutment; after the insertion core base moves towards the direction close to the fixed sleeve through the first connecting structure, the first abutting part enables the elastic component to deform by extruding the fixed base. The requirement degree on the skills and the environment of pipe penetrating constructors is reduced.
Description
Technical Field
The application relates to the technical field of optical communication, especially, relate to a connector assembly, fiber connector and prefabricated optical cable.
Background
With the development of modern society and the explosive increase of information quantity, the demand of people on network throughput capacity is continuously improved. Optical transmission is gradually becoming the mainstream scheme of modern communication by virtue of its characteristics of ultrahigh bandwidth, low electromagnetic interference and the like. For example, in a Fiber To The Home (FTTH) system, an optical network is divided into three parts: feeder line segments, distribution line segments and home line segments. The feeder section comprises an optical cable from the central office to the optical distribution point; the distribution section includes an optical cable from an optical distribution point to a network access point; the home segment includes an optical cable from a network access point to a subscriber room or building, and can be connected to an Optical Network Unit (ONU) in the subscriber room or building.
At present, in the process of laying the optical cable, the optical cable can be laid in an optical cable laying pipeline in an air blowing mode, the optical cable is connected in a fiber fusion mode generally, the technical requirement and the environmental requirement on field construction personnel are high, and the optical cable is not beneficial to quick laying of the optical cable.
Disclosure of Invention
The application provides a connector assembly, fiber connector and prefabricated optical cable, can improve laying efficiency of optical cable through this application.
The application provides a connector assembly in a first aspect, and the connector assembly can be applied to an optical cable end head and comprises a fixed sleeve, an elastic component, a fixed base, a ferrule and a ferrule base.
The optical fiber extending out of the optical cable sequentially penetrates through the fixed sleeve, the fixed base and the inserting core base and is connected with the inserting core inserted on the fixed base, and the inserting core base is sleeved on the outer sides of the elastic component and the fixed base; the fixing sleeve is used for fixing the optical cable, and the elastic component is positioned between the fixing sleeve and the fixing base; the ferrule base is connected with the fixed sleeve through a first connecting structure, and the first connecting structure is used for enabling the ferrule base to have a certain moving distance along the axis direction of the optical cable when the ferrule base is connected with the fixed sleeve; the ferrule base includes a first abutment; after the insertion core base moves towards the direction close to the fixed sleeve through the first connecting structure, the first abutting part enables the elastic component to deform by extruding the fixed base.
In the process of laying of optical cable, the connector assembly can be installed at the end of optical cable, can accomplish the equipment of connector assembly before the poling, and then the connector assembly can be along with the optical cable poling (if poling through the air-blowing mode) in laying the pipeline to connect other subassemblies behind the poling and constitute the continuing of fiber connector realization optical cable, reduced the demand degree to poling constructor skill and environment, improve the laying efficiency of optical cable.
With reference to the first aspect, in one possible implementation manner, the first connecting structure is one of a threaded structure, a clamping structure, a sliding groove structure, a plug pin structure, or a magnetic attraction structure. For example, the first connecting structure includes an internal thread disposed inside the ferrule base and an external thread disposed outside the fixing sleeve and adapted to the internal thread.
With reference to the first aspect, in another possible implementation manner, the end of the fixing base, which is far away from the fixing sleeve, extends out of the ferrule base. Not only improve the stability of lock pin to can improve the inside sealed dirt proofness of lock pin base.
With reference to the first aspect, in another possible implementation manner, an anti-rotation structure is disposed between the ferrule base and the fixed base, and the anti-rotation structure is configured to prevent the fixed base from rotating around a shaft relative to the ferrule base. The stability of the connector assembly is improved.
With reference to the first aspect, in another possible implementation manner, the anti-rotation structure includes a first stop surface on the outer side of the end portion of the fixing base far away from the fixing sleeve, and a second stop surface on the inner side of the end portion of the ferrule base far away from the fixing sleeve, and the first stop surface is configured to be attached to the second stop surface.
With reference to the first aspect, in another possible implementation manner, the first abutting portion includes an incompletely closed end face of the ferrule base at an end away from the fixing sleeve.
This application second aspect provides an optical fiber connector, and this optical fiber connector can be applied to the end of optical cable, and this optical fiber connector includes connector assembly, fixed subassembly and shell subassembly.
The connector assembly comprises a fixed sleeve, an elastic component, a fixed base, a ferrule and a ferrule base, and is provided by the first aspect of the embodiment of the application or any one of the possible implementation manners of the first aspect; the fixing component is fixedly connected to the outer periphery of the ferrule base and extends to the outer periphery of the optical fiber connector; the shell component is fixedly connected to the outer side of the fixed component.
A third aspect of the present application provides an optical fiber connector comprising a fiber optic connector and a fiber optic adapter. The optical fiber connector is an optical fiber connector of the connector assembly provided by the second aspect of the embodiment of the present application; the optical fiber adapter is in adaptive connection with the optical fiber connector.
A fourth aspect of the present application provides a pre-fabricated fiber optic cable, at least one termination of which includes a connector assembly provided in the first aspect of the embodiments or any one of the possible implementations of the first aspect of the present application.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of an optical network of FTTx according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an optical fiber connector according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an optical fiber connector according to an embodiment of the present disclosure;
FIG. 4 is an exploded view of an optical fiber connector according to an embodiment of the present disclosure;
FIG. 5 is a schematic cross-sectional view of an optical fiber connector according to an embodiment of the present disclosure;
FIG. 6 is an exploded view of a connector assembly provided by an embodiment of the present application;
FIG. 7 is a schematic view of an anti-rotation structure provided in an embodiment of the present application;
fig. 8 is a schematic view of a first abutment provided by an embodiment of the present application;
FIG. 9 is a schematic structural diagram of a fixing assembly according to an embodiment of the present disclosure;
FIG. 10 is a schematic structural diagram of an enclosure assembly provided by an embodiment of the present application;
fig. 11 is a schematic structural diagram of a handle of a housing according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Before describing the related apparatus provided in the present application, an application scenario of the related apparatus in the present application is first described, where the related apparatus in the present application may be applied to optical cable laying of any optical network, referring to fig. 1, which is described by taking fiber to the x as an example, fig. 1 is an optical network schematic diagram of an FTTx provided in an embodiment of the present application, where the FTTx may be FTTH, and may also be FTTC (fiber to the curb ), FTTP (fiber to the premises), FTTN (fiber to the node ), FTTO the office (fiber to the office), FTTSA (fiber to the service area), and the like. Taking the FTTH network as an example, downstream from a Central Office (CO), the FTTH network may sequentially include a feeder link, 1: n splitter, distribution link, 1: m splitters, and at least one inbound link. The related devices in the present application are applied to the feeder link, the home link, and the like.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an optical fiber connector according to an embodiment of the present invention, as shown in fig. 2, the optical fiber connector includes at least one optical fiber connector 1, an optical fiber adapter 2, and an optical fiber connector 3. The optical fiber connector 1 can be used for the end of the optical cable 4, and the optical fiber connector 3 can be used for the end of the optical cable 5. The optical fiber connector 1 and the optical fiber connector 3 can be in adaptive connection with the optical fiber adapter 2, and the optical fiber connector 1 and the optical fiber connector 3 are in adaptive connection with the optical fiber adapter 2 to realize the connection of optical fibers in the optical cable 4 and the optical cable 5. Alternatively, the optical fiber connector 3 may be an optical fiber connector having the same structure as the optical fiber connector 1, or an optical fiber connector having a different structure, and fig. 2 exemplarily shows the optical fiber connector 3 having a different structure from the optical fiber connector 1.
Next, the optical fiber connector 1 provided in the embodiment of the present application is specifically described, referring to fig. 3, fig. 3 is a schematic structural diagram of the optical fiber connector provided in the embodiment of the present application, fig. 3 shows an appearance structure of the optical fiber connector 1 at a certain angle, as shown in fig. 3, the optical fiber connector 1 includes a connector assembly 11 and a housing assembly 13, and the housing assembly 13 is disposed outside the connector assembly 11.
Referring to fig. 4 and 5 together, fig. 4 is an exploded schematic view of an optical fiber connector according to an embodiment of the present disclosure, and fig. 5 is a cross-sectional schematic view of an optical fiber connector according to an embodiment of the present disclosure.
As shown in the figure, the optical fiber connector 1 further includes a fixing component 12, the fixing component 12 is disposed on the outer side of the connector component 11, and the housing kit 13 is disposed on the outer sides of the connector component 11 and the fixing component 12.
In an embodiment, the optical fiber connector 1 further includes a first sealing ring 14 disposed between the connector assembly 11 and the fixing assembly 12 for preventing foreign matters such as dust, water, and insects from entering the optical fiber connector 1 from a gap between the connector assembly 11 and the fixing assembly 12, so as to improve the sealing grade of the optical fiber connector 1.
In an embodiment, the optical fiber connector 1 further includes a second sealing ring 15 disposed between the fixing component 12 and the housing sleeve 13, for preventing foreign matters such as dust, water, and insects and ants from entering the optical fiber connector 1 from a gap between the fixing component 12 and the housing sleeve 13, so as to improve the sealing grade of the optical fiber connector 1.
It should be understood that there may be one or more first seal rings 14 or second seal rings 15.
Referring now to fig. 5 and 6 together, fig. 6 is an exploded view of a connector assembly according to an embodiment of the present disclosure.
As shown, the connector assembly 11 includes a retaining sleeve 111, a resilient member 112, a retaining base 113, a ferrule 114, and a ferrule base 115. The optical fiber 41 derived from the optical cable 4 sequentially penetrates through the fixing sleeve 111, the fixing base 113 and the ferrule base 115, and is connected with the ferrule 114 inserted on the fixing base 113, and the ferrule base 115 is sleeved outside the elastic member 112 and the fixing base 113.
The fixing tube 111 is used for fixing the optical cable 4, and the elastic member 112 is located between the fixing tube 111 and the fixing base 113.
The ferrule holder 115 is connected to the fixing sleeve 111 by a first connecting structure for allowing the ferrule holder 115 to move a distance in the axial direction of the optical cable 4 when the fixing sleeve 111 is connected.
The ferrule holder 115 includes a first abutting portion, and after the ferrule holder 115 moves in a direction approaching the fixing sleeve 111 by the first connection structure, the first abutting portion presses the fixing holder 113 to deform the elastic member 112.
In the process of laying the optical cable 4, the connector assembly 11 may be installed at an end of the optical cable 4, the assembly of the connector assembly 11 may be completed before tube threading, in the assembly process, after the fixing sleeve 111 is fixed with the optical cable, the ferrule base 115 may be sleeved at the end of the fixing sleeve 111 and connected with the fixing sleeve 111 through the first connecting structure, in the connection process, the ferrule base 115 moves towards the fixing sleeve 111 along the axial direction of the optical cable, so that the elastic component 112 and the fixing assembly 1112 are fixed between the ferrule base 115 and the fixing sleeve 111 by the first abutting portion of the ferrule base 115 in an extruding manner, after the assembly is completed, the connector assembly 11 may be threaded in a laying pipeline along with the optical cable 4 (for example, the tube threading is performed through an air blowing manner), thereby connecting other assemblies after the tube threading to form an optical fiber connector to realize the connection of the optical cable, and reducing the requirement on the skill and environment of a tube threading constructor, the laying efficiency of the optical cable is improved.
The first connection structure may have a plurality of implementation manners, for example, the first connection structure may be any one of a threaded structure, a clamping structure, a sliding groove structure, a pin structure, or a magnetic attraction structure disposed between the ferrule base 115 and the fixing sleeve 111.
For example, in one implementation, as shown in fig. 5 and 6, the first connection structure may be a thread structure, and include an internal thread disposed inside the ferrule base 115 and an external thread disposed outside the fixing sleeve 111 and adapted to the internal thread, and the connection between the ferrule base 115 and the fixing sleeve 111 is achieved through screwing the internal thread and the external thread.
For another example, in another implementation manner, the first connection structure may be a clamping structure, and include a fixing buckle disposed on the ferrule base 115 and a fixing slot disposed on the fixing sleeve 111, when the ferrule base 115 is connected to the fixing sleeve 111, the fixing buckle and the fixing slot are clamped with each other, so as to achieve a fixed connection between the ferrule base 115 and the fixing sleeve 111.
For another example, in another implementation, the first connection structure may be a plug pin structure, which includes a first through hole disposed on the ferrule base 115, a second through hole disposed on the fixing sleeve 111, and a plug pin, the ferrule base 115 and the fixing sleeve 111 may be sleeved with each other, and the plug pin may be sequentially inserted into the first through hole and the second through hole, so that the ferrule base 115 and the fixing sleeve 111 are fixedly connected.
The first connection structure between the ferrule base 115 and the fixing sleeve 111 may also have other specific implementation manners, for example, the first connection structure includes an external thread disposed on the outer side of the ferrule base 115 and an internal thread disposed on the inner side of the fixing sleeve 111, and as another example, the first connection structure includes a fixing slot disposed on the ferrule base 115 and a fixing buckle disposed on the fixing sleeve 111, and so on, which is not exhaustive.
In one implementation, the end of the fixing base 113 away from the fixing sleeve 111 extends out of the ferrule base, which not only improves the stability of the ferrule 114, but also improves the sealing and dust-proof performance inside the ferrule base 115.
Optionally, the connector assembly 11 further includes a ferrule dust cap 116, and the ferrule dust cap 116 is disposed on the end of the ferrule 114 far from the fixing base 113.
The elastic component 112 may be a coil spring, a spring plate, a wave spring, an air spring, or a rubber spring, and the number of the elastic components 112 may be one or more, which is not limited specifically. The elastic member 112 is located between the fixing sleeve 111 and the fixing base 113, and the specific arrangement of the elastic member 112 may be different according to different types and numbers of the elastic member 112.
For example, as shown in fig. 5, the elastic member 112 may be a coil spring, the coil spring is disposed on an outer peripheral side of the fixing base 113 near the end of the fixing sleeve 111, a first step surface 1131 facing the fixing sleeve 111 is formed on an outer side of the fixing base 113, one end of the elastic member 112 abuts against the first step surface 1131, and the other end abuts against the end of the fixing sleeve 111 near the fixing base 113.
For another example, in another mode, the elastic component 112 is a spring plate with a through hole, the through hole can allow the optical fiber extending from the optical cable 4 to pass through, one side of the spring plate abuts against the end of the fixing sleeve 111 close to the fixing sleeve 113, and the other side abuts against the end of the fixing base 113 close to the fixing sleeve 113. The outer diameter of the end of the fixed base 113 close to the fixed sleeve 111 is smaller than the inner diameter of the end of the fixed sleeve 111 close to the fixed base 113, so that the fixed base 113 can be inserted into the fixed sleeve 111; and the length of the spring piece along the radial direction of the optical cable 4 is not less than the inner diameter of the end of the fixing sleeve 111 close to the fixing base 113, and is not less than the inner diameter of the end of the fixing base 113 close to the fixing sleeve 111, so that the fixing base 113 can be subjected to the reverse supporting force of the spring piece when being inserted into the fixing base 113 under the pressure of the ferrule base 115, and the fixing base 113 moves towards the direction close to the fixing sleeve 111 under the simultaneous action of the ferrule base 115 and the spring piece.
Other arrangements of the resilient member 112 between the retaining sleeve 111 and the retaining base 113 are not exhaustive here.
In an embodiment, an anti-rotation structure is disposed between the ferrule base 115 and the fixing base 113, and the anti-rotation structure is used to prevent the fixing base 113 from rotating around the axis relative to the ferrule base 115, so as to enhance the stability of the optical fiber connector 111.
Further, referring to fig. 7, fig. 7 is a schematic view of an anti-rotation structure provided in an embodiment of the present application, and fig. 7 shows the anti-rotation structure between the ferrule base 115 and the fixed base 113, where the anti-rotation structure includes a first stop surface 1132 disposed on the fixed base 113 and a second stop surface 1151 disposed on the ferrule base 115, and when the ferrule base 115 is connected to the fixed base 113, the first stop surface 1132 is configured to be attached to the second stop surface 1151.
The first stop surface 1132 may be disposed outside an end of the fixed base 113 away from the fixed sleeve 111, and the second stop surface 1151 may be disposed inside an end of the ferrule base 115 away from the fixed sleeve 111.
It should be understood that the first stop surface 1132 may be planar, and correspondingly, the second stop surface 1151 may be planar; the first stop surface 1132 may also be a curved surface, and the second stop surface 1151 is a curved surface matched with the first stop surface 1132, for example, the first stop surface 1132 is a convex surface, and the second stop surface 1151 is a concave surface capable of fitting with the first stop surface 1132, which is not exhaustive.
It should be noted that the anti-rotation structure may include a first stop surface and a second stop surface for engaging with the first stop surface; the anti-rotation structure may also include a plurality of first stop surfaces, and a plurality of second stop surfaces respectively adapted to be engaged with one of the first stop surfaces.
There are various implementations of the first abutting portion of the ferrule base 115, such as an abutting key disposed on the ferrule base 115, an abutting surface disposed on the ferrule base 115, and the like, which are not exhaustive here.
In an embodiment, the first abutment of the ferrule mount 115 comprises a incompletely closed end face of the ferrule mount 115 distal from an end of the retaining sleeve 111. Specifically, referring to fig. 8, fig. 8 is a schematic view of a first abutting portion provided in an embodiment of the present application, the first abutting portion in fig. 8 includes an incompletely closed end surface 1152 disposed on the ferrule base 115, a second step surface 1133 is disposed on the fixing base 113, and after the ferrule base 115 is connected to the fixing sleeve 111, the second step surface 1133 is used for abutting against the incompletely closed end surface 1152, so that the fixing base 113 is pressed by the elastic member 112.
The second stepped surface 1133 may be a stepped surface formed on the outer side of the fixing base 113 and facing away from the fixing sleeve 111, and the incompletely closed end surface may be located inside the end of the ferrule base 115 far from the fixing sleeve 111.
In an embodiment, a first sealing groove 1111 is formed around the shaft outside the fixing sleeve 111, and the first sealing groove 1111 is used for disposing the first sealing ring 14.
In one embodiment, a first boss 1153 is formed on the outer side of the ferrule base 115, and the first boss 1153 is used for clamping and fixing with the fixing component 12. The first boss 1153 may be a boss with a fixed height outside the ferrule base 115, or may be an elastic boss on the ferrule base 115, and the engagement manner between the ferrule base 115 and the fixing assembly 12 is described in detail below.
Referring to fig. 5 and 9, first, a fixing assembly and a housing assembly in an optical fiber connector according to an embodiment of the present invention are described below, and fig. 9 is a schematic structural diagram of a fixing assembly according to an embodiment of the present invention.
As shown, the securing assembly 12 is attached to the outer peripheral side of the ferrule mount 115 of the connector assembly 11 and extends to the outer peripheral side of the fiber optic connector 111 in the connector assembly 11.
In an embodiment, the inner side of the fixing component 12 includes a first clamping groove 121, and the first clamping groove 121 is used for clamping a first boss 1153 on the ferrule base 115, so as to realize the fixed connection between the fixing component 12 and the ferrule base 115.
Further, in one implementation, the first boss 1153 on the ferrule base 115 may be an elastic boss, the first engaging groove 121 may be a groove with a fixed shape and a fixed volume inside the fixed component 12, during the dynamic engaging of the fixed component 12 outside the ferrule base 115, the first boss 1153 is first in a compressed state, and when the fixed component 12 moves to a certain position outside the ferrule base 115, the first boss 1153 engages in the first engaging groove 121, thereby implementing the fixed connection between the fixed component 12 and the ferrule base 115.
In another implementation, the first boss 1153 on the ferrule base 115 is a boss with a fixed height outside the ferrule base 115, as shown in fig. 9, the main body of the fixing component 12 includes a spring fin 122 extending in a direction from the fixing sleeve 111 to the ferrule base 115, and a gap between a tip of the spring fin 122 and the main body of the fixing component 12 forms the first catching groove 121; in the process that the fixing component 12 is dynamically sleeved outside the ferrule base 115, the elastic fins 122 are used for elastically adjusting the accommodating space of the first boss 1153, and after the first boss 1153 passes through the elastic fins 122, the first boss is clamped with the first clamping groove 121, so that the fixing component 12 is fixedly connected with the ferrule base 115.
In one embodiment, the fixing assembly 12 is formed with a protrusion key 123 at an outer side thereof, and the protrusion key 123 is used for clamping the fixing housing assembly 13. The protruding key 123 may be a protruding key for fixing the height outside the fixing component 12, or may be an elastic protruding key outside the fixing component 12.
In one embodiment, the fixing member 12 is formed with a second boss 124 on the outside thereof.
In an embodiment, a second sealing groove 125 is formed outside the fixing component 12, and the second sealing groove 125 is used for disposing the second sealing ring 15.
Reference is now made to fig. 5, 10 and 11, where fig. 10 is a schematic structural diagram of a housing assembly according to an embodiment of the present disclosure, and fig. 11 is a schematic structural diagram of a handle of a housing according to an embodiment of the present disclosure.
As shown in the figure, the housing assembly 13 includes a main shaft 131, a housing handle 132 and a housing tail sleeve 133, an end portion of the main shaft 131 close to the ferrule 114 penetrates the housing handle 132 and is fixedly connected with the housing handle 132, the housing tail sleeve 133 includes an axially extending through hole, one end of the through hole is used for passing through the optical cable 4, the other end of the through hole contains an end portion of the main shaft 131 far from the ferrule 114 and is fixedly connected with the main shaft 131, and a port of the main shaft 131 far from the fixing assembly 12 is used for passing through the optical cable extending from the housing tail sleeve 133. Optionally, the housing assembly 13 further includes a string 134 and a dust cap 135, the string 134 connects the dust cap 135 with the main shaft 131, and the dust cap 135 can be sleeved on the end of the optical fiber connector 1 close to the insertion core 114 to prevent foreign matters such as dust, water, and insects and ants from entering the optical fiber connector 1.
In one embodiment, the inner side of the main shaft 131 includes a first insertion hole 1311, and the first insertion hole 1311 is used for clamping the protruding key 123 on the outer side of the fixing component 12.
Further, in one implementation, the protrusion key 123 outside the fixing component 12 is an elastic protrusion key, the first insertion hole 1311 inside the main shaft 131 is an insertion hole with a fixed position and shape, in the process that the main shaft 131 is dynamically sleeved outside the fixing component 12, the protrusion key 123 is first in a compression state, and when the main shaft 131 moves to a certain position outside the fixing component 12, the protrusion key 123 is clamped into the first insertion hole 1311, so that the main shaft 131 is fixedly connected with the fixing component 12.
In another implementation, the protrusion key 123 on the outer side of the fixing component 12 is a protrusion key with a fixed height on the outer side of the fixing component 12, as shown in fig. 10, the main shaft 131 includes a spring arm 1312 along the direction from the fixing sleeve 111 to the ferrule base 115, and the spring arm 1312 includes a first insertion hole 1311 thereon. In the process that the main shaft 131 is dynamically sleeved outside the fixing component 12, the elastic arm 1312 is used for elastically adjusting the accommodating space of the protrusion key 123, and when the main shaft 131 moves to a certain position outside the fixing component 12, the protrusion key 123 is engaged with the first insertion hole 1311, so that the main shaft 131 is fixedly connected with the fixing component 12.
In an embodiment, referring to fig. 10 and 11, a first position-limiting key 1313 and a third step face 1314 facing the casing tail sleeve 133 are disposed on an outer wall of the spindle 131, and the first position-limiting key 1313 is disposed between the third step face 1314 and the casing tail sleeve 133; a first annular bulge 1321 coaxial with the housing handle 132 and a fourth step surface 1322 facing away from the housing tail sleeve 133 are arranged on the inner wall of the housing handle 132, and the first annular bulge 1321 is arranged between the fourth step surface 1322 and the housing tail sleeve 133; the first annular protrusion 1321 is provided with a first groove 1323 penetrating in the axial direction, and when the first limit key 1313 passes through the first groove 1323 and the fourth step surface 1322 abuts against the third step surface 1314 in the process that the housing handle 132 moves in the direction from the ferrule base 1111 to the fixing sleeve 111 outside the spindle 131, the housing handle 132 is configured to rotate around the spindle outside the spindle 131, so that the first groove 1323 deviates from the first limit key 1313 in the circumferential direction, and the housing handle 132 is fixedly connected with the spindle 131.
In one embodiment, the inner wall of the housing handle 132 is provided with a second limit key 1324 and a third limit key 1325, the outer wall of the main shaft 131 is provided with a fourth limit key 1315, and when the fourth step surface 1322 abuts against the third step surface 1314, the fourth limit key 1315 is located between the second limit key 1324 and the third limit key 1325, so as to limit the rotation angle of the housing handle 132 relative to the main shaft 131.
In one embodiment, as shown in fig. 10 and 11, the inner wall of the housing handle 132 includes a first locking key 1326, and the first locking key 1326 is used for being clamped into a locking groove on the outer side of the dust cap 135 when the fiber optic connector 1 is connected with the dust cap 135, or used for being clamped into a locking groove on the outer side of the fiber optic connector when the fiber optic connector 1 is connected with the adaptive fiber optic adapter 2.
In one embodiment, the inner wall of the end of the housing tail sleeve 133 close to the housing handle 132 is formed with an internal thread, the outer wall of the end of the main shaft 131 far away from the fixing component is formed with an external thread, and the internal thread of the housing tail sleeve 133 is screwed with the external thread of the main shaft 131, so as to realize the fixed connection between the housing tail sleeve 133 and the main shaft 131.
In one embodiment, the end of the main shaft 131 away from the housing tail sleeve 133 is provided with a first opening 1316, and the first opening 1316 causes the end of the main shaft 131 away from the housing tail sleeve 133 to have a C-shaped cross section. The outer wall of the fixed component 12 is provided with a second protrusion 124, and the second protrusion 124 can be clamped into the first opening 1316 during the process of sleeving the main shaft 131 with the fixed component 12 and after the main shaft 131 is fixedly connected with the fixed component 12.
In an embodiment, the housing assembly 13 further includes a third sealing ring 136 for preventing foreign matters such as dust, water, and insects from entering the optical fiber connector 1 from a gap between the main shaft 131 and the housing handle 132, so as to improve the sealing grade of the optical fiber connector 1.
In the laying process of the optical cable 4, when the connector component 11 is installed at the end of the optical cable 4, after the optical cable 4 penetrates through a laying pipeline, the fixing component 12 can be sleeved outside the connector component 11, and the fixing component 12 is assembled by fixedly connecting with the insertion core base 115 in the connector component 11; then, the shell tail sleeve 133 is sleeved at the tail part of the connector component 11 far away from the inserting core, then the main shaft 131 is sleeved outside the fixing component 12, and the main shaft 131 is assembled by fixedly connecting with the fixing component 12; after the main shaft 131 is assembled, the shell tail sleeve 133 moves the main shaft 131 from the tail part of the connector assembly 11 and is fixedly connected with the main shaft 131; the housing handle 132 may be assembled to the spindle 131 before the spindle 131 is assembled, or may be assembled to the spindle 131 before the spindle 131 is assembled. Thereby through the equipment of fixed subassembly 12, shell handle 132 and shell tail cover 133 after the poling, can realize the equipment of fiber connector 1 through simple operation under adverse circumstances, reduced the demand degree to constructor skill and environment, improve the laying efficiency of optical cable.
In an embodiment, the optical fiber connector 1 further includes a sealing sleeve 16, the sealing sleeve 16 is disposed between the casing tail sleeve 133 and the optical fiber cable 4, and is used for preventing foreign matters such as dust, water, and insects and ants from entering the optical fiber connector 1 from a gap between the casing tail sleeve 133 and the optical fiber cable 4, so as to improve the sealing performance of the optical fiber connector 1.
Further, the outer wall of the sealing sleeve 16 is formed with a fifth step surface 161 facing the main shaft 131, one end of the sealing sleeve 16 is inserted into the end of the main shaft 131 far from the housing handle 132, and the end of the main shaft 131 far from the housing handle 132 abuts against the fifth step surface 161.
The embodiment of the present invention further provides an optical fiber pre-fabricated cable, where at least one end of the optical fiber cable includes a connector assembly, and the connector assembly may be any one of the connector assemblies 11 described above in the embodiment of the present invention, and details thereof are not repeated here.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A connector assembly is applied to the end of an optical cable and is characterized by comprising a fixed sleeve, an elastic component, a fixed base, a ferrule and a ferrule base;
the optical fiber extending out of the optical cable sequentially penetrates through the fixed sleeve, the fixed base and the insertion core base and is connected with the insertion core inserted on the fixed base, and the insertion core base is sleeved on the outer sides of the elastic part and the fixed base;
the fixing sleeve is used for fixing the optical cable, and the elastic component is positioned between the fixing sleeve and the fixing base;
the ferrule base is connected with the fixed sleeve through a first connecting structure, and the first connecting structure is used for enabling the ferrule base to have a certain moving distance along the axis direction of the optical cable when the ferrule base is connected with the fixed sleeve;
the ferrule mount includes a first abutment; after the insertion core base moves towards the direction close to the fixed sleeve through the first connecting structure, the first abutting part extrudes the fixed base to enable the elastic component to deform.
2. The connector assembly of claim 1, wherein the first connecting structure is one of a threaded structure, a snap-fit structure, a slide-groove structure, a latch structure, or a magnetic attraction structure.
3. The connector assembly of claim 1 or 2, wherein the retaining base extends out of the ferrule base away from the terminus of the retaining sleeve.
4. The connector assembly according to any one of claims 1 to 3, wherein an anti-rotation structure is provided between the ferrule base and the fixing base, the anti-rotation structure being configured to prevent the fixing base from rotating around an axis relative to the ferrule base.
5. The connector assembly of claim 4, wherein the anti-rotation structure includes a first stop surface outside the end of the securing base away from the securing sleeve and a second stop surface inside the end of the ferrule base away from the securing sleeve, the first stop surface being configured to engage the second stop surface.
6. The connector assembly of any one of claims 1-5, wherein the first abutment comprises a incompletely closed end face of the ferrule base distal from the retaining sleeve end.
7. An optical fiber connector is applied to the end of an optical cable and is characterized by comprising a connector assembly, a fixing assembly and a shell assembly;
the connector assembly comprises a fixing sleeve, an elastic component, a fixing base, a ferrule and a ferrule base, and is the connector assembly of any one of claims 1-6;
the fixing component is fixedly connected to the outer periphery of the ferrule base and extends to the outer periphery of the optical fiber connector;
the shell component is fixedly connected to the outer side of the fixed component.
8. An optical fiber connector is characterized in that the optical fiber connector comprises an optical fiber connector and an optical fiber adapter,
the optical fiber connector is the optical fiber connector of claim 7;
the optical fiber adapter is connected with the optical fiber connector in an adaptive manner.
9. A pre-formed fiber optic cable, wherein at least one terminus of the pre-formed fiber optic cable includes a connector assembly according to any one of claims 1 to 6.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011270574.2A CN112415666A (en) | 2020-11-13 | 2020-11-13 | Connector assembly, optical fiber connector and prefabricated optical cable |
| PCT/CN2021/129560 WO2022100572A1 (en) | 2020-11-13 | 2021-11-09 | Connector assembly, optical fiber connection joint, optical fiber connector and prefabricated optical cable |
| CR20230053A CR20230053A (en) | 2020-11-13 | 2021-11-09 | Connector assembly, optical fiber connection joint, optical fiber connector and prefabricated optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011270574.2A CN112415666A (en) | 2020-11-13 | 2020-11-13 | Connector assembly, optical fiber connector and prefabricated optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112415666A true CN112415666A (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011270574.2A Pending CN112415666A (en) | 2020-11-13 | 2020-11-13 | Connector assembly, optical fiber connector and prefabricated optical cable |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN112415666A (en) |
| CR (1) | CR20230053A (en) |
| WO (1) | WO2022100572A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093346A (en) * | 2021-03-01 | 2021-07-09 | 华为技术有限公司 | Optical cable assembly and optical fiber connector |
| CN114460695A (en) * | 2022-01-25 | 2022-05-10 | 华为技术有限公司 | Optical fiber connector and optical fiber connector assembly |
| WO2022100572A1 (en) * | 2020-11-13 | 2022-05-19 | 华为技术有限公司 | Connector assembly, optical fiber connection joint, optical fiber connector and prefabricated optical cable |
| WO2023015449A1 (en) * | 2021-08-10 | 2023-02-16 | Shenzhen Anycom Technology Co., Ltd | Multi-purpose fiber optic connector |
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| EP0973051A1 (en) * | 1998-07-17 | 2000-01-19 | Siecor Operations, LLC | Pin retainer and associated method for assembling a fiber optic connector |
| US6287018B1 (en) * | 1999-07-28 | 2001-09-11 | Lucent Technologies Inc. | Tunable optical fiber connector |
| CN110542952A (en) * | 2019-07-26 | 2019-12-06 | 华为技术有限公司 | Optical fiber connector and optical fiber connector |
| CN210155363U (en) * | 2019-05-31 | 2020-03-17 | 柴雪辉 | Optical fiber movable connector |
| CN211086691U (en) * | 2019-12-20 | 2020-07-24 | 深圳市嘉万光通信有限公司 | FSC quick connector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415666A (en) * | 2020-11-13 | 2021-02-26 | 华为技术有限公司 | Connector assembly, optical fiber connector and prefabricated optical cable |
-
2020
- 2020-11-13 CN CN202011270574.2A patent/CN112415666A/en active Pending
-
2021
- 2021-11-09 CR CR20230053A patent/CR20230053A/en unknown
- 2021-11-09 WO PCT/CN2021/129560 patent/WO2022100572A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0973051A1 (en) * | 1998-07-17 | 2000-01-19 | Siecor Operations, LLC | Pin retainer and associated method for assembling a fiber optic connector |
| US6287018B1 (en) * | 1999-07-28 | 2001-09-11 | Lucent Technologies Inc. | Tunable optical fiber connector |
| CN210155363U (en) * | 2019-05-31 | 2020-03-17 | 柴雪辉 | Optical fiber movable connector |
| CN110542952A (en) * | 2019-07-26 | 2019-12-06 | 华为技术有限公司 | Optical fiber connector and optical fiber connector |
| CN211086691U (en) * | 2019-12-20 | 2020-07-24 | 深圳市嘉万光通信有限公司 | FSC quick connector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022100572A1 (en) * | 2020-11-13 | 2022-05-19 | 华为技术有限公司 | Connector assembly, optical fiber connection joint, optical fiber connector and prefabricated optical cable |
| CN113093346A (en) * | 2021-03-01 | 2021-07-09 | 华为技术有限公司 | Optical cable assembly and optical fiber connector |
| WO2023015449A1 (en) * | 2021-08-10 | 2023-02-16 | Shenzhen Anycom Technology Co., Ltd | Multi-purpose fiber optic connector |
| CN114460695A (en) * | 2022-01-25 | 2022-05-10 | 华为技术有限公司 | Optical fiber connector and optical fiber connector assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CR20230053A (en) | 2023-09-12 |
| WO2022100572A1 (en) | 2022-05-19 |
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Application publication date: 20210226 |
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