CN113504612B - Prefabricated connector, adapter, prefabricated connector assembly and prefabricated end equipment - Google Patents

Prefabricated connector, adapter, prefabricated connector assembly and prefabricated end equipment Download PDF

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Publication number
CN113504612B
CN113504612B CN202111058844.8A CN202111058844A CN113504612B CN 113504612 B CN113504612 B CN 113504612B CN 202111058844 A CN202111058844 A CN 202111058844A CN 113504612 B CN113504612 B CN 113504612B
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CN
China
Prior art keywords
locking
adapter
connector
opening
head
Prior art date
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Active
Application number
CN202111058844.8A
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Chinese (zh)
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CN113504612A (en
Inventor
孙建华
缪冬青
蒲维
王建兵
吴媛媛
周云逢
刘月祥
丛春燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Zhongtian Technology Co Ltd
Zhongtian Broadband Technology Co Ltd
Original Assignee
Jiangsu Zhongtian Technology Co Ltd
Zhongtian Broadband Technology Co Ltd
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Application filed by Jiangsu Zhongtian Technology Co Ltd, Zhongtian Broadband Technology Co Ltd filed Critical Jiangsu Zhongtian Technology Co Ltd
Priority to CN202111058844.8A priority Critical patent/CN113504612B/en
Publication of CN113504612A publication Critical patent/CN113504612A/en
Application granted granted Critical
Publication of CN113504612B publication Critical patent/CN113504612B/en
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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
    • 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
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3834—Means for centering or aligning the light guide within the ferrule
    • 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
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
    • G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
    • 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
    • G02B6/387—Connector plugs comprising two complementary members, e.g. shells, caps, covers, locked together

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

The invention provides a prefabricated connector, an adapter, a prefabricated connector assembly and prefabricated terminal equipment, and relates to the technical field of signal or electric energy transmission line connection, the prefabricated connector, the adapter, the prefabricated connector assembly and the prefabricated terminal equipment comprise a first locking seat arranged on a connector shell assembly, wherein a first locking structure and a first opening sleeve are arranged on the first locking seat; when connector housing assembly targets in place with the adapter, the adapter locking groove on first locking lever and the adapter lug of adapter aligns, and first opening cover is removed to the latched position by the position of unblanking under the exogenic action when, and first locking lever loses the first support of opening the head, stretches out first mounting hole under the effect of first elastic component and inserts the adapter locking inslot, has reached the technological effect that prefabricated connector and adapter convenient and fast are connected.

Description

Prefabricated connector, adapter, prefabricated connector assembly and prefabricated end equipment
Technical Field
The invention relates to the technical field of signal or electric energy transmission line connection, in particular to a prefabricated connector, an adapter prefabricated connector assembly and prefabricated end forming equipment.
Background
With the large-scale construction of FTTH, the network is deeply influencing our lives, the deployment of optical fiber networks and the arrangement of optical cables are very important links, a large number of pre-finished products are used at present, but the mechanical performance, the environmental resistance, the equipment function and the installation convenience of the pre-finished products have defects, so that the transmission performance of circuits is influenced, and therefore equipment and a connector which are convenient to install, good in protection performance and excellent in mechanical performance are needed to realize the connection between optical fibers, and the use requirements and habits of domestic and foreign users can be met.
Disclosure of Invention
The invention aims to provide a prefabricated connector, an adapter prefabricated connector assembly and prefabricated end forming equipment which are convenient and quick to install, and solve the technical problems that in the prior art, the prefabricated connector and the adapter are difficult to install and have high requirements on construction and maintenance personnel.
The invention provides a prefabricated connector, which is suitable for being butted with an adapter and comprises a connector shell assembly,
a first locking seat is arranged at the end part of the first end of the connector shell component, a first mounting hole is formed in the first locking seat, a first locking structure is arranged in the first mounting hole, and the first locking structure comprises a first locking rod and a first elastic piece for driving the first locking rod to extend out of the first mounting hole;
the connector shell component is characterized by further comprising a first opening sleeve, wherein a first opening head is arranged on the first opening sleeve, the first opening sleeve is movably sleeved on the connector shell component, and when the first opening sleeve is located at an unlocking position, the first opening head props against the first locking rod to return into the first mounting hole;
when the connector shell assembly is inserted in place with the adapter, the first locking rod is aligned with the adapter locking groove on the adapter convex block of the adapter, and when the first opening sleeve moves from the unlocking position to the locking position under the action of first direction external force, the first locking rod loses the resistance of the first opening head and extends out of the first mounting hole under the action of the first elastic piece to be inserted into the adapter locking groove; when the first opening sleeve moves from the locking position to the unlocking position under the action of external force in the second direction, the first opening head drives the first locking rod to retreat to the first mounting hole and abut against the first locking rod;
a connector protective cap adapted to mate with the connector housing assembly;
the outer wall of the first end of the connector protective cap is provided with at least one connector protective cap lug, the connector protective cap lug is provided with a connector protective cap locking groove, and the connector protective cap locking groove is suitable for the first locking rod of the connector shell assembly to be inserted;
the first opening head comprises a first head part and a first handle part which connects the first head part with the first opening sleeve, one side of the first head part, which faces the first locking structure, is provided with a first plane and a first arc surface/inclined surface which is connected with the first plane, when the first opening sleeve is in the unlocking position, the first plane is abutted against the first locking rod, and when the first opening sleeve is in the locking position, the first locking rod is abutted against the first arc surface/inclined surface or is positioned on one side of the first arc surface/inclined surface;
the first locking seat comprises two first locking blocks which are arranged at intervals oppositely, first arc-shaped grooves are respectively arranged on the opposite sides of the two first locking blocks, the first arc-shaped grooves of the two first locking blocks enclose a cavity suitable for the first end of the connector protective cap/adapter body to be inserted into, and the first locking structure is arranged on at least one side, positioned on the first arc-shaped grooves, of the first locking block;
first the cover of opening is equipped with two first heads of opening, each the both sides that lie in first arc wall on the first locking piece are equallyd divide and are equipped with respectively first locking structure, first head of opening is located two between the first locking piece, it is same first open overhead respectively towards two the side of first locking piece all the shaping have first plane first cambered surface/inclined plane.
Further, the first plane is arranged on one side, away from the first opening sleeve, of the first cambered surface/inclined surface.
Furthermore, the inner cavity of the end, far away from the first opening head, of the first opening sleeve is provided with a first annular boss, and a sleeve of the first connecting sheet is sleeved on the connector shell assembly and can block the first annular boss to prevent the first opening sleeve from being separated.
Furthermore, a ferrule assembly mounting cavity is formed at the first end of the connector housing assembly, and a signal or power transmission line introducing cavity communicated with the ferrule assembly mounting cavity is formed at the second end of the connector housing assembly;
the ferrule assembly of the prefabricated connector is arranged in the ferrule assembly mounting cavity and is suitable for inserting and connecting the core wires of the signal or power transmission lines introduced from the signal or power transmission line introducing cavity;
the connector housing assembly includes:
the first end of the first connector shell assembly is provided with the inserting core assembly mounting cavity;
a second connector housing assembly; a signal or electric energy transmission line lead-in cavity is formed on the base;
the supporting piece is of a hollow structure, a first end of the supporting piece is inserted into a second end of the first connector shell assembly and connected with the ferrule assembly, a second end of the supporting piece is inserted into the second connector shell assembly, and the core wire is suitable for penetrating through the supporting piece and connected with the ferrule assembly.
Further, a transmission line sealing element is arranged between the second end port of the first connector shell assembly and the outer wall of the supporting element;
and/or
Still include the cup, the first pot head of cup is established the second end of holding member, and the second pot head is established on signal or the electric energy transmission line, signal or electric energy transmission line are first optical cable, the reinforcement of first optical cable is fit for following the cup with stretch out between the holding member to by the crimping.
An adapter of the present invention, adapted to interface with a pre-manufactured connector, includes an adapter body,
at least one adapter projection is arranged on the outer wall of the first end of the adapter body, an adapter locking groove is arranged on the adapter projection, and the adapter locking groove is suitable for a first locking rod of a connector shell assembly of the prefabricated connector to be inserted;
the adapter protection cap is suitable for being butted with the adapter body;
a fourth locking seat is arranged at the end part of the first end of the adapter protective cap, a fourth mounting hole is formed in the fourth locking seat, a fourth locking structure is arranged in the fourth mounting hole, and the fourth locking structure comprises a fourth locking rod and a fourth elastic piece for driving the fourth locking rod to extend out of the fourth mounting hole;
the adapter protective cap is characterized by further comprising a fourth opening sleeve, a fourth opening head is arranged on the fourth opening sleeve, the fourth opening sleeve is movably sleeved on the adapter protective cap, and when the fourth opening sleeve is located at an unlocking position, the fourth opening head props against the fourth locking rod and retracts into the fourth mounting hole;
when the adapter protective cap is inserted in place with the adapter body, the fourth locking rod is aligned with the adapter locking groove on the adapter body, and when the fourth opening sleeve moves from the unlocking position to the locking position under the action of first external force, the fourth locking rod loses the blocking of the fourth opening head, extends out of the fourth mounting hole under the action of the fourth elastic piece and is inserted into the adapter locking groove; when the fourth opening sleeve moves from the locking position to the unlocking position under the action of external force in the second direction, the fourth opening head drives the fourth locking rod to retreat into the fourth mounting hole and abut against the fourth locking rod;
the fourth opening head comprises a fourth head part and a fourth handle part which connects the fourth head part with the fourth opening sleeve, a fourth plane and a fourth cambered surface/inclined surface which is connected with the fourth plane are arranged on one side, facing the fourth locking structure, of the fourth head part, when the fourth opening sleeve is located at the unlocking position, the fourth plane is abutted against the fourth locking rod, and when the fourth opening sleeve is located at the locking position, the fourth locking rod is abutted against the fourth cambered surface/inclined surface or located on one side of the fourth cambered surface/inclined surface;
the fourth locking seat comprises two fourth locking blocks which are arranged at intervals oppositely, fourth arc-shaped grooves are respectively formed in the opposite sides of the two fourth locking blocks, the fourth arc-shaped grooves of the two fourth locking blocks enclose a cavity suitable for the first end of the adapter body to be inserted into, and a fourth locking structure is arranged on at least one side, located on the fourth arc-shaped grooves, of the fourth locking block;
the fourth is opened and is equipped with two fourth opening heads on the cover, each the both sides that lie in the fourth arc wall on the fourth locking block are equallyd divide and are do not equipped with fourth locking structure, the fourth opening head lies in two between the fourth locking block, it is same the fourth is opened and is overhead respectively towards two the equal shaping in side of fourth locking block has the fourth plane fourth cambered surface inclined plane.
Furthermore, the fourth plane is arranged on one side, far away from the fourth opening sleeve, of the fourth cambered surface/inclined surface.
Furthermore, what the fourth was opened the cover keeps away from the inner chamber of the one end of fourth opening head is equipped with fourth annular boss, and a pot head of second connection piece is established when the adapter helmet is last, can be right fourth annular boss blocks, prevents the fourth is opened the cover and is deviate from.
The prefabricated connector assembly comprises the prefabricated connector and the adapter.
A pre-manufactured connector of the present invention, adapted to mate with an adapter, includes a connector housing assembly,
the outer wall of the first end of the connector shell assembly is provided with at least one connector shell convex block, the connector shell convex block is provided with a connector shell locking groove, and the connector shell locking groove is suitable for the second locking rod of the adapter to be inserted;
a connector protective cap adapted to mate with the connector housing assembly;
a third locking seat is arranged at the end part of the first end of the connector protective cap, a third mounting hole is formed in the third locking seat, a third locking structure is arranged in the third mounting hole, and the third locking structure comprises a third locking rod and a third elastic piece for driving the third locking rod to extend out of the third mounting hole;
the connector protective cap is characterized by further comprising a third opening sleeve, a third opening head is arranged on the third opening sleeve, the third opening sleeve is movably sleeved on the connector protective cap, and when the third opening sleeve is located at an unlocking position, the third opening head props against the third locking rod to retreat into the third mounting hole;
when the connector protective cap is inserted in place with the connector shell assembly, the third locking rod is aligned with the connector shell locking groove on the connector shell assembly, and when the third opening sleeve moves from the unlocking position to the locking position under the action of external force in the second direction, the third locking rod loses the blocking of the third opening head and extends out of the third mounting hole under the action of the third elastic piece to be inserted into the connector shell locking groove; when the third opening sleeve moves from the locking position to the unlocking position under the action of external force in the first direction, the third opening head drives the third locking rod to retreat into the third mounting hole and then prop against the third locking rod;
the third opening head comprises a third head part and a third handle part which connects the third head part with the third opening sleeve, a third plane and a third cambered surface/inclined surface which is connected with the third plane are arranged on one side, facing the third locking structure, of the third head part, when the third opening sleeve is positioned at the unlocking position, the third plane is abutted against the third locking rod, and when the third opening sleeve is positioned at the locking position, the third locking rod is abutted against the third cambered surface/inclined surface or positioned on one side of the third cambered surface/inclined surface;
the third locking seat comprises two third locking blocks arranged at an interval, a third arc-shaped groove is formed in one side, opposite to the third locking block, of each third locking block, a cavity suitable for inserting of the first end of the connector shell assembly is formed by the third arc-shaped grooves of the two third locking blocks in a surrounding mode, and a third locking structure is arranged on at least one side, located on the third arc-shaped grooves, of each third locking block.
And the third opening sleeve is provided with two third opening heads, each third locking block is provided with a third locking structure at two sides of the third arc-shaped groove, the third opening heads are arranged between the third locking blocks, and the third opening heads are respectively provided with a third plane and a third arc surface/inclined surface towards two sides of the third locking blocks.
Further, the third plane is arranged on one side of the third cambered surface/inclined surface, which is far away from the third opening sleeve.
Furthermore, an inner cavity of one end, far away from the third opening head, of the third opening sleeve is provided with a third annular boss, and one end of a third connecting piece is sleeved on the connector shell assembly and can block the third annular boss to prevent the third opening sleeve from being separated.
Furthermore, a ferrule assembly mounting cavity is formed at the first end of the connector housing assembly, and a signal or power transmission line introducing cavity communicated with the ferrule assembly mounting cavity is formed at the second end of the connector housing assembly;
the ferrule assembly of the prefabricated connector is arranged in the ferrule assembly mounting cavity and is suitable for inserting and connecting the core wires of the signal or power transmission lines introduced from the signal or power transmission line introducing cavity;
the connector housing assembly includes:
the first end of the first connector shell assembly is provided with the inserting core assembly mounting cavity;
a second connector housing assembly; a signal or electric energy transmission line lead-in cavity is formed on the base;
the supporting piece is of a hollow structure, a first end of the supporting piece is inserted into a second end of the first connector shell assembly and connected with the ferrule assembly, a second end of the supporting piece is inserted into the second connector shell assembly, and the core wire is suitable for penetrating through the supporting piece and connected with the ferrule assembly.
Further, a transmission line sealing element is arranged between the second end port of the first connector shell assembly and the outer wall of the supporting element;
and/or
Still include the cup, the first pot head of cup is established the second end of holding member, and the second pot head is established on signal or the electric energy transmission line, signal or electric energy transmission line are first optical cable, the reinforcement of first optical cable is fit for following the cup with stretch out between the holding member to by the crimping.
An adapter of the present invention, adapted to interface with a pre-manufactured connector, includes an adapter body,
a second locking seat is arranged at the end part of the first end of the adapter body, a second mounting hole is formed in the second locking seat, a second locking structure is arranged in the second mounting hole, and the second locking structure comprises a second locking rod and a second elastic piece for driving the second locking rod to extend out of the second mounting hole;
the adapter body is provided with a first locking rod, and the adapter body is provided with a first opening sleeve;
when the adapter body is oppositely inserted to the connector shell assembly, the second locking rod is aligned with the connector shell locking groove on the connector shell assembly of the prefabricated connector, and when the second unlocking sleeve moves from the unlocking position to the locking position under the action of external force in a second direction, the second locking rod loses the resistance of the second unlocking head and extends out of the second mounting hole under the action of the second elastic piece to be inserted into the connector shell locking groove; when the second unlocking sleeve moves from the locking position to the unlocking position under the action of external force in the first direction, the second unlocking head drives the second locking rod to retreat into the second mounting hole and abut against the second locking rod.
Further, the adapter protection cap is suitable for being butted with the adapter body;
the outer wall of the first end of the adapter protective cap is provided with at least one adapter protective cap protruding block, the adapter protective cap protruding block is provided with an adapter protective cap locking groove, and the adapter protective cap locking groove is suitable for the second locking rod of the adapter body to be inserted;
the second opening head comprises a second head part and a second handle part which connects the second head part with the second opening sleeve, one side of the second head part facing the second locking structure is provided with a second plane and a second cambered surface/inclined surface connected with the second plane, when the second opening sleeve is positioned at the unlocking position, the second plane is abutted against the second locking rod, and when the second opening sleeve is positioned at the locking position, the second locking rod is abutted against the second cambered surface/inclined surface or positioned at one side of the second cambered surface/inclined surface;
the second locking seat comprises two second locking blocks arranged at an interval, two second arc-shaped grooves are formed in one opposite sides of the second locking blocks respectively, the second arc-shaped grooves of the two second locking blocks are enclosed to form a cavity suitable for inserting of the first end of the adapter body, and the second locking structure is arranged on at least one side, located on the second arc-shaped grooves, of the second locking blocks.
The second is opened and is sheathe in and be equipped with two second and opens the head, each the both sides that lie in the second arc wall on the second locking piece are equallyd divide and are equipped with respectively second locking structure, the second is opened the head and is located two between the second locking piece, it is same the second is opened the overhead two of orientation respectively of second locking piece's side and all has the second plane the second cambered surface/inclined plane.
Further, the second plane is arranged on one side, away from the second opening sleeve, of the second arc surface/inclined surface.
Furthermore, the inner cavity of the second opening sleeve, which is far away from one end of the second opening head, is provided with a second annular boss, and a sleeve of the second connecting sheet is sleeved on the adapter protective cap and can block the second annular boss to prevent the second opening sleeve from being separated.
The prefabricated connector assembly comprises the prefabricated connector and the adapter.
The prefabricated finished-end equipment comprises an equipment main body, wherein at least one adapter mounting hole is formed in the equipment main body, and the adapter is mounted at the adapter mounting hole.
According to the prefabricated connector, the adapter assembly and the prefabricated finished end equipment, when the prefabricated connector is in butt joint with the adapter, only the prefabricated connector and the adapter need to be inserted in place, then the first opening sleeve is pushed to move from the unlocking position to the locking position, and the first locking rod can extend out of the first mounting hole under the action of the first elastic piece and be inserted into the adapter locking groove to lock the prefabricated connector and the adapter without being resisted by the first opening head; when the prefabricated connector is relieved to needs to be connected with the adapter, only need the first cover of opening of reverse promotion, when removing to the unlocking position by the latched position promptly, first opening the head can promote first locking pole gradually and return in the first mounting hole from the adapter locking inslot, relieves the locking, pulls out prefabricated connector to the direction of keeping away from the adapter, just can realize the separation of prefabricated connector and adapter, connects convenient rapidly steadily not only, has increased the convenience of operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an exploded view of a prefabricated connector according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a prefabricated connector according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a tail shank of a pre-manufactured connector provided in accordance with an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a support member of a pre-manufactured connector according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a protective inner sleeve of a pre-manufactured connector provided in accordance with an embodiment of the present invention;
FIG. 6 is a perspective view of a protective outer jacket of a pre-manufactured connector provided in accordance with an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a protective outer jacket of a pre-manufactured connector provided in accordance with an embodiment of the present invention;
FIG. 8 is a schematic view of a first opening sleeve of a prefabricated connector according to an embodiment of the present invention;
FIG. 9 is a cross-sectional view of a first opening sleeve of a prefabricated connector according to an embodiment of the present invention;
FIG. 10 is an exploded view of an adapter provided in accordance with an embodiment of the present invention;
FIG. 11 is a front view of an adapter provided by an embodiment of the present invention;
FIG. 12 is a cross-sectional view of an adapter provided in accordance with an embodiment of the present invention;
FIG. 13 is a cross-sectional view of an adapter and a pre-manufactured connector according to an embodiment of the present invention;
FIG. 14 is a schematic view of the first locking bar in an open position when the adapter is mated with the pre-formed connector according to an embodiment of the present invention;
FIG. 15 is a schematic view of a first locking bar in a locked position when an adapter is mated with a pre-formed connector according to an embodiment of the present invention;
fig. 16 is a schematic structural diagram of a prefabricated end-forming device according to an embodiment of the present invention;
fig. 17 is a schematic structural diagram of an apparatus main body of a prefabricated end-forming apparatus according to an embodiment of the present invention;
fig. 18 is an exploded view of a device theme prefabricated as an end device according to an embodiment of the present invention.
Icon: 1-equipment base; 101-a thermal shrinkage protection tube clamping groove; 102-splitter fixing card slot; 103-flange clamp groove; 104-a fourth seal groove; 105-bolt holes; 2, covering the equipment; 201-cable inlet hole; 202-adapter mounting holes; 203-sealing ribs; 3-an adapter; 301 — an adapter inner end; 302-adapter outer end; 303-a cannula; 304-a first seal ring; 305-adapter protective cap; 306-a fourth opening sleeve; 307-lock nut; 308-a second connecting piece; 309-adapter dust cap; 310-a fourth locking bar; 311-a fourth elastic member; 312-fourth plug; 313-adapter locking slot; 4-a beam splitter; 5-a second optical cable; 6-a first optical cable; 61-an optical fiber; 7-a guide; 8-connector inner housing; 9-a core insert; 10-a fifth elastic member; 11-tail handle; 1101-external thread; 12-a support; 1201-internal thread; 1202-a first seal groove; 13-support seal ring; 14-protective inner sleeve; 1401-a second seal groove; 1402-open slot; 1403-first step; 15-inner and outer sleeve sealing elements; 16-a sixth elastic member; 17-a protective outer sleeve; 1701 — first locking block; 1702-first mounting hole; 1703-a third annular boss; 18-a first opening sleeve; 1801-first opening head; 18011 — first plane; 18012 — first arc/slope; 1802-a first annular boss; 1803-first ribs; 19-a transmission line seal; 20-a cup; 21-heat shrinkable tube; 22-bending-resistant tail sleeve; 23-a first locking lever; 24-a first elastic member; 25-a first plug; 26-a first connecting piece; 27-connector dust cap; 28-connector protective cap; 29-second seal.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. 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 invention.
The signal or power transmission line is used for transmitting signals or power and comprises an optical cable, an electric cable and the like, wherein the core wire of the optical cable is an optical fiber, and the core wire of the electric cable is a conducting wire.
The first cable 6 includes an optical fiber 61, a strength member disposed around the optical fiber 61, and a cable outer jacket surrounding the optical fiber 61 and the strength member.
As shown in fig. 1 to 9, an embodiment of the present application provides a prefabricated connector adapted to be mated with an adapter, including:
the connector shell assembly is provided with a ferrule assembly mounting cavity at a first end and a signal or electric energy transmission line introducing cavity communicated with the ferrule assembly mounting cavity at a second end;
a ferrule assembly provided in the ferrule assembly mounting chamber and adapted to be inserted and connected to the optical fiber 61 of the first optical cable 6 introduced from the signal or power transmission line introduction chamber;
a first locking seat is arranged at the end part of the first end of the connector shell assembly, a first mounting hole 1702 is arranged on the first locking seat, a first locking structure is arranged in the first mounting hole 1702, and the first locking structure comprises a first locking rod 23 and a first elastic piece 24 for driving the first locking rod 23 to extend out of the first mounting hole 1702;
the connector further comprises a first opening sleeve 18, a first opening head 1801 is arranged on the first opening sleeve 18, the first opening sleeve 18 is movably sleeved on the connector housing assembly, and when the first opening sleeve 18 is located at an unlocking position, the first opening head 1801 abuts against the first locking rod 23 and retracts into the first mounting hole 1702;
when the connector housing assembly is inserted into the adapter, the first locking rod 23 is aligned with the adapter locking groove 313 on the adapter projection of the adapter, and when the first opening sleeve 18 moves from the unlocking position to the locking position under the action of a first direction external force, the first locking rod 23 loses the abutment of the first opening head 1801, and extends out of the first mounting hole 1702 under the action of the first elastic piece 24 to be inserted into the adapter locking groove 313; when the first opening sleeve 18 moves from the locking position to the unlocking position under the action of the external force in the second direction, the first opening head 1801 drives the first locking rod 23 to retreat into the first mounting hole 1702 and abut against the first locking rod 23.
When the prefabricated connector is butted with the adapter 3, the prefabricated connector and the adapter 3 are only needed to be inserted into place, then the first opening sleeve 18 is pushed to move from the unlocking position to the locking position, and the first locking rod 23 can extend out of the first mounting hole 1702 and be inserted into the adapter locking groove 313 under the action of the first elastic piece 24 without being resisted by the first opening head 1801, so that the prefabricated connector and the adapter 3 are locked; when needing to relieve prefabricated connector and adapter 3 be connected, only need reverse promotion first to open cover 18, when removing to the unlocking position by the latched position promptly, first head 1801 of opening can promote first locking lever 23 gradually and withdraw from adapter locking groove 313 in first mounting hole 1702, relieve the locking, pull out prefabricated connector to the direction of keeping away from adapter 3, just can realize prefabricated connector and adapter 3's separation, connect convenient rapid steadily not only, increased the convenience of operation.
Further, as shown in fig. 1 and 2, the prefabricated connector further comprises a connector protective cap 28 adapted to be abutted with the connector housing assembly, wherein at least one connector protective cap projection is provided on an outer wall of the first end of the connector protective cap 28, and a connector protective cap locking groove is provided on the connector protective cap projection, and the connector protective cap locking groove is adapted to be inserted by the first locking rod 23 of the connector housing assembly.
The structural arrangement is such that the connector housing assembly can be used for both docking with the adapter 3 and the connector protective cap 28, and the structure is more compact. When a pre-manufactured connector needs to be mated with an adapter, the connector shield cap 28 need only be removed.
As shown in fig. 8 and 9, in particular, the first opening head 1801 includes a first head portion and a first handle portion connecting the first head portion and the first opening sleeve 18, a first plane 18011 and a first arc/inclined surface 18012 connected to the first plane 18011 are disposed on a side of the first head portion facing the first locking structure, when the first opening sleeve 18 is located at the unlocking position, the first plane 18011 abuts against the first locking rod 23, and when the first opening sleeve 18 is located at the locking position, the first locking rod 23 abuts against the first arc/inclined surface 18012 or is located on a side of the first arc/inclined surface 18012.
When the first unlocking sleeve 18 moves from the unlocking position to the locking position, the end of the first locking rod 23 is in contact with the bottom end of the first arc/inclined surface 18012, transited to contact with the top end of the first arc/inclined surface 18012, and finally forms a collision with the first plane 18011, so that unlocking is realized. The first curved/sloped surface 18012 may be provided as a curved surface or a sloped surface, but is preferably provided as a first curved surface to provide smoother operation. When the first locking rod 23 is in the locking position, the end of the first locking rod 23 may be disposed to abut against the first arc/inclined surface 18012, or may be located on one side of the first arc/inclined surface 18012, and when the first opening sleeve 18 moves from the unlocking position to the locking position, the end of the first locking rod 23 gradually contacts with the first arc/inclined surface 18012, and finally abuts against the first plane 18011. The first opening head 1801 thus structured is simple in structure, convenient to manufacture, and very good in hand feeling when operated. Be equipped with first rib 1803 on the outer wall of first cover 18 of opening, the setting of first rib 1803 for increase the dynamics when opening.
Preferably, the first plane 18011 is disposed on a side of the first arc/slope 18012 away from the first opening sleeve 18. This makes the prefabricated connector more compact.
As shown in fig. 6, the first locking seat includes two first locking blocks 1701 disposed at an interval, a first arc-shaped groove is disposed on each of opposite sides of the two first locking blocks 1701, the first arc-shaped grooves of the two first locking blocks 1701 enclose a cavity suitable for inserting the first end of the connector protective cap 28/adapter body, and the first locking structure is disposed on at least one side of the first arc-shaped groove on the first locking block 1701. For example, one of the two first locking blocks 1701 may be provided with first locking structures on both sides of the first arcuate slot, and the other first locking block 1701 may be provided with first locking structures on only one side of the first arcuate slot, although other embodiments are possible.
As shown in fig. 14 and 15, the first mounting hole is a through hole, the first locking structure includes a first plug 25, a first locking rod 23, and a first elastic member 24 disposed between the first plug 25 and the first locking rod 23, and an end of the first locking rod 23 is preferably a hemisphere surface.
In this embodiment, preferably, two first opening heads 1801 are symmetrically disposed on the first opening sleeve 18, the first locking structures are disposed on two sides of the first arc-shaped groove on each first locking block 1701, the first opening head 1801 is disposed between the two first locking blocks 1701, and the first plane 18011 and the first arc/slope 18012 are formed on the same first opening head and respectively face the side surfaces of the two first locking blocks 1701. Thus, the connection is firmer and more reliable.
In order to prevent the first opening sleeve 18 from being removed from the connector housing assembly, the inner cavity of the end of the first opening sleeve 18 away from the first opening head 1801 is provided with a first annular boss 1802, and an end of the first connecting plate 26, when being sleeved on the connector housing assembly, can block the first annular boss 1802 to prevent the first opening sleeve 18 from being removed.
As shown in fig. 2, the connector housing assembly includes:
the first end of the first connector shell assembly is provided with the inserting core assembly mounting cavity;
a second connector housing assembly; a signal or electric energy transmission line lead-in cavity is formed on the base;
a support member 12 having a hollow structure, wherein a first end of the support member 12 is inserted into a second end of the first connector housing assembly and connected to the ferrule assembly, a second end of the support member 12 is inserted into the second connector housing assembly, and the optical fiber 61 is adapted to pass through the support member 12 and be connected to the ferrule assembly.
The holder 12 functions to connect the first connector housing assembly and the second connector housing assembly. At the same time, the mechanical stability of the prefabricated connector can also be increased.
Since the first connector housing assembly and the second connector housing assembly are separated, in order to prevent water and dust from entering between the second end port of the first connector housing assembly and the outer wall of the supporting member 12, a transmission line sealing member 19 is disposed between the second end port of the first connector housing assembly and the outer wall of the supporting member 12.
The first end, namely the large-diameter end, of the support member 12 is externally provided with a first sealing groove 1202, the first end is internally provided with an internal thread 1201, the ferrule assembly comprises a guide member 7, a connector inner shell 8, a ferrule 9, a fifth elastic member 10 and a tail shank 11, wherein the second end of the tail shank 11 is provided with an external thread 1101, and the internal thread 1201 of the first end of the support member 12 is connected with the external thread 1101 of the tail shank 11.
The first connector housing assembly comprises a protective outer sleeve 17 and a protective inner sleeve 14 arranged on the protective outer sleeve 17, wherein a first step 1403 is arranged on the protective inner sleeve 14, and after the second end of the supporting member 12 penetrates through the protective inner sleeve 14, the end part of the large-diameter end of the supporting member 12 abuts against the first step 1403; a sixth elastic member 16 is arranged between the protective outer sleeve 17 and the protective inner sleeve 14 so that the protective inner sleeve 14 abuts against the supporting member 12; a first seal groove 1202 is provided with a first seal ring 304 for sealing between the first end of the support member 12 and the first end of the inner shield 14. Through the control of the sizes of all the parts, the gap between the end face of the inner connector shell 8 and the end face of the outer adapter end 302 is ensured to be 0.3-0.5mm, and meanwhile, the fifth elastic element 10 and the sixth elastic element 16 are arranged, so that the prefabricated connector and the adapter are in flexible contact during butt joint, and the connection reliability is ensured.
The second end of the protective outer sleeve 17 is provided with a third annular boss 1703, the second end of the protective inner sleeve 14 is provided with a protective inner sleeve annular groove, the transmission line sealing element is an annular sealing ring, an embedded groove is formed in the peripheral side wall of the annular sealing ring, the embedded groove is suitable for the third annular boss 1703 to be embedded to form sealing, and the upper end of the transmission line sealing element is embedded into the protective inner sleeve annular groove, so that sealing is formed among the supporting element 12, the protective outer sleeve 17 and the protective inner sleeve 14.
The prefabricated connector further comprises a cup 20, a first end of the cup 20 is sleeved at a second end of the support member 12, a second end of the cup is sleeved on the first optical cable 6, and the reinforcing member of the first optical cable 6 is suitable for extending out of the cup 20 and the support member 12 and is pressed and connected.
As shown in fig. 10-12, an adapter provided by an embodiment of the present application, adapted to interface with a prefabricated connector, includes:
the adapter body is internally provided with a sleeve installation cavity;
a sleeve 303 mounted within the sleeve mounting cavity, the sleeve 303 being adapted for insertion of a ferrule 9 of the ferrule assembly when the adapter is mated with the pre-manufactured connector;
at least one adapter projection is provided on the outer wall of the first end of the adapter body, an adapter locking slot 313 is provided on the adapter projection, the adapter locking slot 313 being adapted for insertion of the first locking bar 23 of the connector housing assembly of the prefabricated connector.
The adapter 3 and the prefabricated connector are used in a matched mode, when the two connectors are matched, the two connectors are only required to be inserted into positions in a matched mode, then the first opening sleeve 18 is pushed to move from the unlocking position to the locking position, the first locking rod 23 can extend out of the first mounting hole 1702 to be inserted into the adapter locking groove 313 under the action of the first elastic piece 24 without being resisted by the first opening head 1801, and the prefabricated connector and the adapter 3 are locked; when needing to relieve prefabricated connector and adapter 3 be connected, only need reverse promotion first to open cover 18, when removing to the unlocking position by the latched position promptly, first head 1801 of opening can promote first locking lever 23 gradually and withdraw from adapter locking groove 313 in first mounting hole 1702, relieve the locking, pull out prefabricated connector to the direction of keeping away from adapter 3, just can realize prefabricated connector and adapter 3's separation, connect convenient rapid steadily not only, increased the convenience of operation.
The end part of the first end of the adapter protective cap 305 is provided with a fourth locking seat, the fourth locking seat is provided with a fourth mounting hole, a fourth locking structure is arranged in the fourth mounting hole, the fourth locking structure comprises a fourth locking rod 310 and a fourth elastic piece 311 for driving the fourth locking rod 310 to extend out of the fourth mounting hole;
the adapter protection cap further comprises a fourth opening sleeve 306, a fourth opening head is arranged on the fourth opening sleeve 306, the fourth opening sleeve 306 is movably sleeved on the adapter protection cap 305, and when the fourth opening sleeve 306 is located at an unlocking position, the fourth opening head props against the fourth locking rod 310 and retracts into the fourth mounting hole;
when the adapter protective cap 305 is inserted into the adapter body, the fourth locking lever 310 is aligned with the adapter locking slot 313 on the adapter body, and when the fourth opening sleeve 306 moves from the unlocking position to the locking position under the action of a first direction external force, the fourth locking lever 310 loses the resistance of the fourth opening head, and extends out of the fourth mounting hole under the action of the fourth elastic piece 311 to be inserted into the adapter locking slot 313; when the fourth opening sleeve 306 moves from the locking position to the unlocking position under the action of the external force in the second direction, the fourth opening head drives the fourth locking rod 310 to retreat to the fourth mounting hole and abut against the fourth locking rod 310.
Such a structural arrangement allows the adapter body to be used for both interfacing with the adapter helmet 305 and with a pre-manufactured connector, which is more compact. When the adapter 3 needs to be mated with a pre-manufactured connector, only the adapter protective cap 305 and the adapter dust cap 309 need to be removed.
As shown in fig. 10, the fourth mounting hole is a through hole, the fourth locking structure includes a fourth plug 312, a fourth locking lever 310, and a fourth elastic member 311 disposed between the fourth plug 312 and the fourth locking lever 310, and an end of the fourth locking lever 310 is preferably a hemispherical surface.
Further, as shown in fig. 10, the fourth opening head includes a fourth head portion and a fourth handle portion connecting the fourth head portion and the fourth opening sleeve 306, the fourth head portion faces to one side of the fourth locking structure, a fourth plane and a fourth arc/slope connected to the fourth plane are provided, when the fourth opening sleeve 306 is located at the unlocking position, the fourth plane abuts against the fourth locking rod 310, and when the fourth opening sleeve 306 is located at the locking position, the fourth locking rod 310 abuts against the fourth arc/slope or is located on one side of the fourth arc/slope. The structure of the fourth opening head is the same as that of the first opening head, and a description thereof is omitted.
The fourth plane is arranged on the side of the fourth arc/slope, which is far away from the fourth opening sleeve 306.
The fourth locking seat comprises two fourth locking blocks arranged at an interval, a fourth arc-shaped groove is formed in one side, opposite to the fourth locking block, of each fourth locking block, the fourth arc-shaped grooves of the two fourth locking blocks are enclosed to be suitable for the first end inserting cavity of the adapter body, and a fourth locking structure is arranged on at least one side, located on the fourth arc-shaped groove, of each fourth locking block. The structure of the fourth locking seat is identical to that of the first locking seat, and a description thereof is omitted.
Be equipped with two fourth opening heads on the fourth opening cover 306, each the both sides that lie in the fourth arc wall on the fourth locking block are equallyd divide and are equipped with respectively fourth locking structure, the fourth opening head lies in two between the fourth locking block, it is same on the fourth opening head respectively towards two the equal shaping in side of fourth locking block has the fourth plane fourth cambered surface inclined plane. Thus, the connection is firmer and more reliable.
In order to prevent the fourth opening sleeve 306 from being separated from the adapter helmet 305, the inner cavity of one end of the fourth opening head is provided with a fourth annular boss, and a sleeve of the second connecting piece 308 can block the fourth annular boss to prevent the fourth opening sleeve 306 from being separated from the adapter helmet 305.
In other embodiments, a prefabricated connector may also be provided, the prefabricated connector comprising:
the connector shell assembly is provided with a ferrule assembly mounting cavity at a first end and a signal or electric energy transmission line introducing cavity communicated with the ferrule assembly mounting cavity at a second end;
a ferrule assembly provided in the ferrule assembly mounting chamber and adapted to be inserted and connected to the optical fiber 61 of the first optical cable 6 introduced from the signal or power transmission line introduction chamber;
the outer wall of the first end of the connector shell assembly is provided with at least one connector shell protruding block, a connector shell locking groove is formed in the connector shell protruding block, and the connector shell locking groove is suitable for the second locking rod of the adapter to be inserted.
The prefabricated connector further comprises a connector protective cap 28 butted with the connector shell assembly, a third locking seat is arranged at the end part of the first end of the connector protective cap 28, a third mounting hole is formed in the third locking seat, a third locking structure is arranged in the third mounting hole, and the third locking structure comprises a third locking rod and a third elastic piece for driving the third locking rod to extend out of the third mounting hole;
the connector protective cap 28 is movably sleeved with the third opening sleeve, and when the third opening sleeve is located at an unlocking position, the third opening sleeve props against the third locking rod to retreat into the third mounting hole;
when the connector protective cap 28 is inserted into the connector housing assembly in place, the third locking rod is aligned with the connector housing locking groove on the connector housing assembly, and when the third opening sleeve moves from the unlocking position to the locking position under the action of external force in the second direction, the third locking rod loses the block of the third opening head, and extends out of the third mounting hole under the action of the third elastic element to be inserted into the connector housing locking groove; when the third opening sleeve moves from the locking position to the unlocking position under the action of external force in the first direction, the third opening head drives the third locking rod to retreat into the third mounting hole and then abut against the third locking rod.
The third locking seat, the third locking structure and the third opening sleeve can be set by referring to the first locking seat, the first locking structure and the third opening sleeve, and are not described in detail herein.
In other embodiments, the adapter may be further configured to: the adapter includes:
the adapter body is internally provided with a sleeve installation cavity;
a sleeve 303 mounted within the sleeve mounting cavity, the sleeve 303 being adapted for insertion of a ferrule 9 of the ferrule assembly when the adapter is mated with the pre-manufactured connector;
a second locking seat is arranged at the end part of the first end of the adapter body, a second mounting hole is formed in the second locking seat, a second locking structure is arranged in the second mounting hole, and the second locking structure comprises a second locking rod and a second elastic piece for driving the second locking rod to extend out of the second mounting hole;
the adapter body is provided with a first locking rod, and the adapter body is provided with a first opening sleeve;
when the adapter body is oppositely inserted to the connector shell assembly, the second locking rod is aligned with the connector shell locking groove on the connector shell assembly of the prefabricated connector, and when the second unlocking sleeve moves from the unlocking position to the locking position under the action of external force in a second direction, the second locking rod loses the resistance of the second unlocking head and extends out of the second mounting hole under the action of the second elastic piece to be inserted into the connector shell locking groove; when the second unlocking sleeve moves from the locking position to the unlocking position under the action of external force in the first direction, the second unlocking head drives the second locking rod to retreat into the second mounting hole and abut against the second locking rod.
The adapter still includes the adapter helmet 305 with the adapter body butt joint, be equipped with at least one adapter helmet lug on the outer wall of the first end of adapter helmet 305, be equipped with adapter helmet locking groove on the adapter helmet lug, adapter helmet locking groove is suitable for the adapter body the second locking lever inserts.
The arrangement of the second locking seat, the second locking structure and the second opening sleeve can refer to the arrangement of the first locking seat, the first locking structure and the third opening sleeve, and the description is omitted here.
The prefabricated connectors of the other embodiments described above and the adapters of the other embodiments are mated.
As shown in fig. 13-15, the embodiment of the present application provides a prefabricated connector assembly, which includes a prefabricated connector as described above, and an adapter 3 as described above.
As shown in fig. 16 to 18, a prefabricated end device provided by an embodiment of the present application includes a device main body, where at least one adapter mounting hole is provided, and the adapter 3 is installed at the adapter mounting hole. The equipment main body comprises an equipment base 1 and an equipment upper cover 2. One side is provided with pyrocondensation protection tube draw-in groove 101 on the equipment base 1, and the opposite side is provided with spectrometer fixed slot 102, and the centre is provided with flange draw-in groove 103, is provided with fourth seal groove 104 around equipment base 1, and the back is provided with bolt hole 105 for the fixed mounting gold utensil. One end of the equipment upper cover 2 is provided with a cable inlet hole 201, the other end is provided with an adapter mounting hole 202, and sealing ribs 203 are arranged on the periphery.
The prefabricated end equipment that provides of this application embodiment disposes in a flexible way, can process in the mill according to user's different demands, and construction operation is convenient, can save the operating expenses greatly, is applicable to and uses under the different scenes.
The processing technology of the prefabricated connector comprises the following steps:
firstly, a supporting member sealing ring 13 is arranged in a first sealing groove 1202 of a supporting member 12, an inner sleeve sealing member 15 and an outer sleeve sealing member 15 are arranged in a second sealing groove 1401 of a protective inner sleeve 14, a second sealing member 29 is arranged in a sealing groove of a connector protective cap 28, a first connecting sheet 26 is arranged at the tail end of the connector protective cap 28, a first locking rod 23, a first elastic member 24 and a first plug 25 are arranged in a first mounting hole 1702 of a protective outer sleeve 17, a first opening sleeve 18 is sleeved in and pushed forward from the tail end of the protective outer sleeve 17, and a first opening head 1801 on the first opening sleeve 18 is aligned with a gap between two first locking blocks 1701 of the protective outer sleeve 17 and clamped in;
then sequentially penetrating the bending-resistant tail sleeve 22, the heat shrinkable tube 21, the cup 20, the first connecting piece 26, the transmission line sealing piece 19, the protective outer sleeve 17, the sixth elastic piece 16, the protective inner sleeve 14 and the supporting piece 12 into the first optical cable 6; the outer jacket of the first optical cable 6 is then stripped, leaving the cable elements and strength members within the first optical cable 6, and the pigtail 11, the fifth resilient member 10 are threaded into the cable elements within the first optical cable 6.
Stripping the optical cable unit according to the process template, wherein the reserved length of the inner unit tight covering layer is 40mm, the reserved length of the aramid fiber is about 10mm, the reserved length of the optical fiber is about 15mm, and the opening head is ensured to be in a natural state in the protective inner sleeve 14 during working through length control, so that additional loss cannot be caused; then injecting glue into the insertion core 9; then the optical fiber 61 is penetrated into the inserting core 9, and then heating and curing are carried out; the inserting core 9 is arranged in the connector inner shell 8, the tail handle 11 is pushed into the connector inner shell 8, and the tail handle 11 and the connector inner shell 8 are fixed in a clamping mode; installing a guide 7; grinding, testing and other procedures are carried out to complete the manufacture of the opening head;
coating the external thread 1101 at the tail part of the tail handle 11 with thread glue, and screwing the support piece 12 on the tail handle 11;
then, the inner protective sleeve 14 is pushed forwards, the supporting member 12 penetrates into the inner cavity of the inner protective sleeve 14, and the open slot 1402 on the inner protective sleeve 14 is matched with the guide key on the guide member 7; then, the sixth elastic element 16 and the protective outer sleeve 17 are pushed forwards, and the transmission line sealing element 19 is pushed into the third annular boss 1703 at the tail part of the protective outer sleeve 17, so that the protective outer sleeve 17 is positioned; placing the strength members in the first optical cable 6 outside the holder 12, pushing the cup 20 forward so that the strength members are interposed between the holder 12 and the cup 20, and then performing crimp fixing with a crimper; moving the first connecting piece 26 forward to the end face of the tail part of the protective tail sleeve 17, moving the heat shrinkable tube 21 forward to abut against the first connecting piece 26, shrinking the heat shrinkable tube 21 by using a heat drying gun to seal the first optical cable 6, the supporting piece 12 and the cup 20, and moving the bending-resistant tail sleeve 22 forward to abut against the first connecting piece 26; the connector dust cap 27 and the connector protective cap 28 are covered.
When in use, the connector protective cap 28 and the connector dust cap 27 are taken down, the adapter protective cap 305 of the prefabricated end equipment and the prefabricated connector are directly inserted into the adapter 3 of the prefabricated end equipment, and the quick connection is realized.
(II) a pre-end equipment processing technology:
during manufacturing, the inner end 301 of the adapter 3 of the adapter penetrates into the adapter mounting hole 202 of the upper cover 2 of the equipment, and is screwed and fixed by the locking nut 307, and the second connecting piece 308 is used as a sealing element between the adapter 3 and the upper cover 2 of the equipment; the input end can be the second optical cable 5 entering from the cable inlet hole 201, or a certain adapter port can be used as the input end, the second optical cable 5 can be a single-core optical cable, or a multi-core optical cable, a connector can be directly processed to be connected with the adapter 3, or can be welded with the input end of the optical splitter 4, the output end connector of the optical splitter 4 is connected with the adapter 3, and the specific mode is manufactured in a factory according to the use scene; the number of the optical splitters 4 can be one or two, and the models of the optical splitters 4 are configured according to different scenes. According to different use scenes, equipment is prefabricated in a factory, and the following modes are adopted:
the multi-core optical cable enters the prefabricated finished end equipment from a cable inlet hole 201 on the equipment upper cover 2, a prefabricated connector is processed at the end part of the optical cable, and then the prefabricated connector is inserted into the adapter 3; the output end can be used as a port for conveying to a user completely, or can be used as a part of end products for conveying to the user, and the other part of the output end is conveyed to a port of a next-stage prefabricated end device.
Two-core optical cables enter the prefabricated finished end equipment from a cable inlet hole 201 on the equipment upper cover 2, wherein one core is welded with the input end of the optical splitter, and the output end of the optical splitter 4 is inserted into the adapter 3 and is used as a port for transmitting to a user; and the other end is provided with a connector and then is inserted into an adapter 3 to be used as a port for conveying the next-stage prefabricated finished-end equipment.
The single-core optical cable enters the prefabricated finished end equipment from the cable inlet hole 201 on the equipment upper cover 2 and is welded with the input end of the optical splitter, and the output end of the optical splitter 4 is inserted into the adapter 3 to serve as a port for conveying to a user. A first-stage optical splitter is arranged in the prefabricated terminal equipment, an input end connector of the first-stage optical splitter is inserted into the adapter 3 and is used as an input end of the prefabricated terminal, and an output end connector of the optical splitter is inserted into the adapter 3 and is used as a port for transmitting to a user; the number and the type of the optical splitters 4 are configured according to the use requirement.
A second-stage optical splitter is arranged in the prefabricated terminal equipment, and an input end connector of the first-stage optical splitter is inserted into the adapter 3 and serves as an input port of the equipment; a part of the output end of the first-stage optical splitter is welded with the input end of the second-stage optical splitter, and a connector at the output end of the second-stage optical splitter is inserted into the adapter 3 and is used as a port for transmitting to a user; the other part of the connector at the output end of the first-stage optical splitter is inserted into the adapter 3 and is used as a port for conveying to the next-stage equipment, and the type and the number of the optical splitters are configured according to the use requirement.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (19)

1. A pre-manufactured connector adapted to mate with an adapter, comprising a connector housing assembly;
it is characterized in that the preparation method is characterized in that,
a first locking seat is arranged at the end part of the first end of the connector shell assembly, a first mounting hole (1702) is arranged on the first locking seat, a first locking structure is arranged in the first mounting hole (1702), the first locking structure comprises a first locking rod (23) and a first elastic piece (24) for driving the first locking rod (23) to extend out of the first mounting hole (1702);
the connector shell component further comprises a first opening sleeve (18), wherein a first opening head (1801) is arranged on the first opening sleeve (18), the first opening sleeve (18) is movably sleeved on the connector shell component, and when the first opening sleeve (18) is located at an unlocking position, the first opening head (1801) props against the first locking rod (23) to retract into the first mounting hole (1702);
when the connector shell assembly is inserted into the adapter in place, the first locking rod (23) is aligned with an adapter locking groove (313) on an adapter lug of the adapter, when the first unlocking sleeve (18) moves from the unlocking position to the locking position under the action of external force in a first direction, the first locking rod (23) loses the resistance of the first unlocking head (1801), and extends out of the first mounting hole (1702) under the action of the first elastic piece (24) to be inserted into the adapter locking groove (313); when the first opening sleeve (18) moves from the locking position to the unlocking position under the action of external force in a second direction, the first opening head (1801) drives the first locking rod (23) to retreat behind the first mounting hole (1702) and abut against the first locking rod (23);
further comprising a connector protective cap (28) adapted to interface with the connector housing assembly;
at least one connector protective cap projection is arranged on the outer wall of the first end of the connector protective cap (28), a connector protective cap locking groove is arranged on the connector protective cap projection, and the connector protective cap locking groove is suitable for the first locking rod (23) of the connector shell assembly to be inserted;
the first opening head (1801) comprises a first head part and a first handle part connecting the first head part with the first opening sleeve (18), one side of the first head part facing the first locking structure is provided with a first plane (18011) and a first arc/inclined surface (18012) connected with the first plane (18011), when the first opening sleeve (18) is at the unlocking position, the first plane (18011) is abutted against the first locking rod (23), and when the first opening sleeve (18) is at the locking position, the first locking rod (23) is abutted against the first arc/inclined surface (18012) or is positioned at one side of the first arc/inclined surface (18012);
the first locking seat comprises two first locking blocks (1701) which are arranged at intervals oppositely, one sides of the two first locking blocks (1701) opposite to each other are respectively provided with a first arc-shaped groove, the first arc-shaped grooves of the two first locking blocks (1701) enclose a cavity suitable for inserting a first end of the connector protective cap (28)/an adapter body, and at least one side, positioned in the first arc-shaped grooves, of the first locking block (1701) is provided with the first locking structure;
two first opening heads (1801) are arranged on the first opening sleeve (18), two sides of each first locking block (1701) located on a first arc-shaped groove are respectively provided with the first locking structure, the first opening heads (1801) are located between the two first locking blocks (1701), and the first opening heads are respectively provided with the first plane (18011) and the first arc surface/inclined surface (18012) towards the two side surfaces of the first locking blocks (1701).
2. Prefabricated connector according to claim 1, characterised in that said first flat surface (18011) is arranged on the side of said first cambered/bevelled surface (18012) remote from said first opening sleeve (18).
3. The prefabricated connector of claim 1, wherein an inner cavity of an end of said first opening sleeve (18) remote from said first opening head (1801) is provided with a first annular projection (1802), and an end of a first connecting piece (26) is fitted over said connector housing assembly and is capable of blocking said first annular projection (1802) to prevent said first opening sleeve (18) from coming out.
4. The pre-fabricated connector according to any one of claims 1-3,
a ferrule assembly mounting cavity is formed at the first end of the connector shell assembly, and a signal or electric energy transmission line introducing cavity communicated with the ferrule assembly mounting cavity is formed at the second end of the connector shell assembly;
the ferrule assembly of the prefabricated connector is arranged in the ferrule assembly mounting cavity and is suitable for inserting and connecting the core wires of the signal or power transmission lines introduced from the signal or power transmission line introducing cavity;
the connector housing assembly includes:
the first end of the first connector shell assembly is provided with the inserting core assembly mounting cavity;
a second connector housing assembly; a signal or electric energy transmission line lead-in cavity is formed on the base;
a support member (12) having a hollow structure, wherein a first end of the support member (12) is inserted into a second end of the first connector housing assembly and connected with the ferrule assembly, a second end of the support member (12) is inserted into the second connector housing assembly, and the core wire is adapted to pass through the support member (12) and connected with the ferrule assembly.
5. The prefabricated connector of claim 4 wherein a transmission line seal (19) is provided between the second end port of said first connector housing assembly and an outer wall of said support member (12);
and/or
Still include cup (20), the first pot head of cup (20) is established the second end of supporter (12), the second pot head is established on signal or electric energy transmission line, signal or electric energy transmission line are first optical cable (6), the reinforcement of first optical cable (6) is fit for following cup (20) with stretch out between supporter (12) to by the crimping.
6. A pre-manufactured connector, adapted to mate with an adapter, includes a connector housing assembly,
it is characterized in that the preparation method is characterized in that,
the outer wall of the first end of the connector shell assembly is provided with at least one connector shell convex block, the connector shell convex block is provided with a connector shell locking groove, and the connector shell locking groove is suitable for the second locking rod of the adapter to be inserted;
further comprising a connector protective cap (28) adapted to interface with the connector housing assembly;
a third locking seat is arranged at the end part of the first end of the connector protective cap (28), a third mounting hole is formed in the third locking seat, a third locking structure is arranged in the third mounting hole, and the third locking structure comprises a third locking rod and a third elastic piece for driving the third locking rod to extend out of the third mounting hole;
the connector protection cap further comprises a third opening sleeve, a third opening head is arranged on the third opening sleeve, the third opening sleeve is movably sleeved on the connector protection cap (28), and when the third opening sleeve is located at an unlocking position, the third opening head props against the third locking rod to retreat into the third mounting hole;
when the connector protective cap (28) is inserted in place with the connector shell assembly, the third locking rod is aligned with the connector shell locking groove on the connector shell assembly, and when the third opening sleeve moves from the unlocking position to the locking position under the action of external force in the second direction, the third locking rod loses the resistance of the third opening head, and extends out of the third mounting hole under the action of the third elastic piece to be inserted into the connector shell locking groove; when the third opening sleeve moves from the locking position to the unlocking position under the action of external force in the first direction, the third opening head drives the third locking rod to retreat into the third mounting hole and then prop against the third locking rod;
the third opening head comprises a third head part and a third handle part which connects the third head part with the third opening sleeve, a third plane and a third cambered surface/inclined surface which is connected with the third plane are arranged on one side, facing the third locking structure, of the third head part, when the third opening sleeve is positioned at the unlocking position, the third plane is abutted against the third locking rod, and when the third opening sleeve is positioned at the locking position, the third locking rod is abutted against the third cambered surface/inclined surface or positioned on one side of the third cambered surface/inclined surface;
the third locking seat comprises two third locking blocks which are arranged at intervals oppositely, third arc-shaped grooves are respectively arranged on the opposite sides of the two third locking blocks, the third arc-shaped grooves of the two third locking blocks enclose a cavity suitable for the first end of the connector shell assembly to be inserted into, and a third locking structure is arranged on at least one side, positioned on the third arc-shaped grooves, of the third locking block;
and the third opening sleeve is provided with two third opening heads, each third locking block is provided with a third locking structure at two sides of the third arc-shaped groove, the third opening heads are arranged between the third locking blocks, and the third opening heads are respectively provided with a third plane and a third arc surface/inclined surface towards two sides of the third locking blocks.
7. The pre-manufactured connector according to claim 6, wherein the third plane is arranged at a side of the third curved/sloped surface remote from the third opening sleeve.
8. The prefabricated connector of claim 6, wherein an inner cavity of an end of the third opening sleeve, which is far away from the third opening head, is provided with a third annular boss, and when an end of the third connecting piece is sleeved on the connector housing assembly, the third annular boss can be blocked to prevent the third opening sleeve from being removed.
9. The pre-fabricated connector according to any one of claims 6-8,
a ferrule assembly mounting cavity is formed at the first end of the connector shell assembly, and a signal or electric energy transmission line introducing cavity communicated with the ferrule assembly mounting cavity is formed at the second end of the connector shell assembly;
the core assembly of the prefabricated connector is arranged in the core assembly mounting cavity and is suitable for inserting and connecting the core wires of the signal or power transmission lines introduced from the signal or power transmission line introducing cavity;
the connector housing assembly includes:
the first end of the first connector shell assembly is provided with the inserting core assembly mounting cavity;
a second connector housing assembly; a signal or electric energy transmission line lead-in cavity is formed on the base;
a support member (12) having a hollow structure, wherein a first end of the support member (12) is inserted into a second end of the first connector housing assembly and connected with the ferrule assembly, a second end of the support member (12) is inserted into the second connector housing assembly, and the core wire is adapted to pass through the support member (12) and connected with the ferrule assembly.
10. The prefabricated connector of claim 9 wherein a transmission line seal (19) is provided between the second end port of said first connector housing assembly and an outer wall of said support member (12);
and/or
Still include cup (20), the first pot head of cup (20) is established the second end of supporter (12), the second pot head is established on signal or electric energy transmission line, signal or electric energy transmission line are first optical cable (6), the reinforcement of first optical cable (6) is fit for following cup (20) with stretch out between supporter (12) to by the crimping.
11. An adapter adapted to interface with a pre-manufactured connector, comprising an adapter body;
the method is characterized in that:
at least one adapter projection is arranged on the outer wall of the first end of the adapter body, an adapter locking groove (313) is arranged on the adapter projection, and the adapter locking groove (313) is suitable for a first locking rod (23) of a connector shell assembly of the prefabricated connector to be inserted;
further comprising an adapter protective cap (305) adapted to interface with the adapter body;
a fourth locking seat is arranged at the end part of the first end of the adapter protective cap (305), a fourth mounting hole is arranged on the fourth locking seat, a fourth locking structure is arranged in the fourth mounting hole, the fourth locking structure comprises a fourth locking rod (310) and a fourth elastic piece (311) for driving the fourth locking rod (310) to extend out of the fourth mounting hole;
the locking device is characterized by further comprising a fourth opening sleeve (306), a fourth opening head is arranged on the fourth opening sleeve (306), the fourth opening sleeve (306) is movably sleeved on the adapter protective cap (305), and when the fourth opening sleeve (306) is located at an unlocking position, the fourth opening head abuts against the fourth locking rod (310) and retracts into the fourth mounting hole;
when the adapter protective cap (305) is inserted in place with the adapter body, the fourth locking rod (310) is aligned with the adapter locking groove (313) on the adapter body, when the fourth opening sleeve (306) moves from the unlocking position to the locking position under the action of a first external force, the fourth locking rod (310) loses the block of the fourth opening head, and stretches out of the fourth mounting hole under the action of the fourth elastic piece (311) to be inserted into the adapter locking groove (313);
when the fourth opening sleeve (306) moves from the locking position to the unlocking position under the action of external force in the second direction, the fourth opening head drives the fourth locking rod (310) to retreat to the fourth mounting hole and abut against the fourth locking rod (310);
the fourth opening head comprises a fourth head part and a fourth handle part connecting the fourth head part with the fourth opening sleeve (306), a fourth plane and a fourth cambered surface/inclined surface connected with the fourth plane are arranged on one side, facing the fourth locking structure, of the fourth head part, when the fourth opening sleeve (306) is located at the unlocking position, the fourth plane abuts against the fourth locking rod (310), and when the fourth opening sleeve (306) is located at the locking position, the fourth locking rod (310) abuts against the fourth cambered surface/inclined surface or is located on one side of the fourth cambered surface/inclined surface;
the fourth locking seat comprises two fourth locking blocks which are arranged at intervals oppositely, fourth arc-shaped grooves are respectively formed in the opposite sides of the two fourth locking blocks, the fourth arc-shaped grooves of the two fourth locking blocks enclose a cavity suitable for the first end of the adapter body to be inserted into, and a fourth locking structure is arranged on at least one side, located on the fourth arc-shaped grooves, of the fourth locking block;
be equipped with two fourth opening heads on fourth opening cover (306), each be located the both sides of fourth arc wall on the fourth locking block and equallyd divide and do not be equipped with fourth locking structure, the fourth opening head is located two between the fourth locking block, it is same go up respectively towards two on the fourth opening head the equal shaping in side of fourth locking block has the fourth plane fourth cambered surface inclined plane.
12. An adapter according to claim 11, characterized in that the fourth plane is arranged on the side of the fourth arc/bevel facing away from the fourth opening sleeve (306).
13. The adapter of any one of claims 11-12, wherein an inner cavity of an end of the fourth opening sleeve (306) far away from the fourth opening head is provided with a fourth annular boss, and an end of the second connecting piece (308) is sleeved on the adapter helmet (305) and can block the fourth annular boss to prevent the fourth opening sleeve (306) from being removed.
14. An adapter adapted to interface with a pre-manufactured connector, comprising an adapter body;
the method is characterized in that:
a second locking seat is arranged at the end part of the first end of the adapter body, a second mounting hole is formed in the second locking seat, a second locking structure is arranged in the second mounting hole, and the second locking structure comprises a second locking rod and a second elastic piece for driving the second locking rod to extend out of the second mounting hole;
the adapter body is provided with a first locking rod, and the adapter body is provided with a first opening sleeve;
when the adapter body is oppositely inserted to the connector shell assembly of the prefabricated connector, the second locking rod is aligned with the connector shell locking groove on the connector shell assembly, and when the second unlocking sleeve moves from the unlocking position to the locking position under the action of external force in a second direction, the second locking rod loses the resistance of the second unlocking head and extends out of the second mounting hole under the action of the second elastic piece to be inserted into the connector shell locking groove; when the second unlocking sleeve moves from the locking position to the unlocking position under the action of external force in the first direction, the second unlocking head drives the second locking rod to retreat into the second mounting hole and abut against the second locking rod;
the second opening head comprises a second head part and a second handle part which connects the second head part with the second opening sleeve, one side of the second head part facing the second locking structure is provided with a second plane and a second cambered surface/inclined surface connected with the second plane, when the second opening sleeve is positioned at the unlocking position, the second plane is abutted against the second locking rod, and when the second opening sleeve is positioned at the locking position, the second locking rod is abutted against the second cambered surface/inclined surface or positioned at one side of the second cambered surface/inclined surface;
the second locking seat comprises two second locking blocks which are arranged at intervals oppositely, second arc-shaped grooves are respectively formed in the opposite sides of the two second locking blocks, the second arc-shaped grooves of the two second locking blocks enclose a cavity suitable for the first end of the adapter body to be inserted into, and the second locking structure is arranged on at least one side, located on the second arc-shaped grooves, of the second locking block;
the second is opened and is sheathe in and be equipped with two second and opens the head, each the both sides that lie in the second arc wall on the second locking piece are equallyd divide and are equipped with respectively second locking structure, the second is opened the head and is located two between the second locking piece, it is same the second is opened the overhead two of orientation respectively of second locking piece's side and all has the second plane the second cambered surface/inclined plane.
15. The adapter of claim 14,
further comprising an adapter protective cap (305) adapted to interface with the adapter body;
be equipped with at least one adapter helmet lug on the outer wall of the first end of adapter helmet (305), be equipped with adapter helmet locking groove on the adapter helmet lug, adapter helmet locking groove is suitable for adapter body the second locking lever inserts.
16. An adapter according to claim 14 or 15, characterized in that the second plane is arranged at a side of the second arc/slope facing away from the second opening sleeve.
17. The adapter of claim 15, wherein the inner cavity of the second opening sleeve at an end away from the second opening head is provided with a second annular boss, and an end of the second connecting piece (308) is sleeved on the adapter protective cap (305) and can block the second annular boss to prevent the second opening sleeve from being removed.
18. A prefabricated connector assembly, comprising a prefabricated connector according to any one of claims 1-5, and an adapter (3) according to any one of claims 11-13;
or
Comprising a prefabricated connector according to any one of claims 6-10 and an adapter (3) according to any one of claims 14-17.
19. A prefabricated end-forming device, characterized by comprising a device body provided with at least one adapter mounting hole (202), the adapter (3) according to any one of claims 11-13 or the adapter (3) according to any one of claims 14-17 being mounted at the adapter mounting hole (202).
CN202111058844.8A 2021-09-10 2021-09-10 Prefabricated connector, adapter, prefabricated connector assembly and prefabricated end equipment Active CN113504612B (en)

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CN115144972B (en) * 2022-07-18 2023-06-20 烽火通信科技股份有限公司 Waterproof and dustproof connector, adapter and connector assembly

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CN110646896A (en) * 2019-09-12 2020-01-03 烽火通信科技股份有限公司 Adapter and optical fiber connecting assembly
CN110908044A (en) * 2019-11-25 2020-03-24 湖南彗驰科技有限公司 Multi-direction optical fiber adapter plug
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CN102637976A (en) * 2012-04-01 2012-08-15 中航光电科技股份有限公司 Looseness-proof threaded electric connector and electric connector component
CN102738658A (en) * 2012-06-13 2012-10-17 中航光电科技股份有限公司 Anti-theft plug and electric connector assembly using same
US9958623B1 (en) * 2017-06-29 2018-05-01 Seikoh Giken Co., Ltd. Tool for plug, plug and cable with plug
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