CN108072938B - Floating type optical fiber contact element and connector thereof - Google Patents
Floating type optical fiber contact element and connector thereof Download PDFInfo
- Publication number
- CN108072938B CN108072938B CN201711264186.1A CN201711264186A CN108072938B CN 108072938 B CN108072938 B CN 108072938B CN 201711264186 A CN201711264186 A CN 201711264186A CN 108072938 B CN108072938 B CN 108072938B
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- flange plate
- floating
- optical fiber
- connector
- support sleeve
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
-
- 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
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
A floating optical fiber contact element and a connector thereof comprise a shell, a floating optical fiber contact element, a pressing plate and a fastening screw, wherein the floating optical fiber contact element is positioned between the pressing plates at two ends in the shell, and the pressing plate is fixed on the shell through the fastening screw to form the connector; the floating type optical fiber contact part is composed of a ceramic contact pin, a flange plate and a support sleeve, the ceramic contact pin is forcibly inserted into the flange plate to form a flange plate part, the flange plate part is assembled at two ends of the support sleeve to form the floating type optical fiber contact part, gaps are respectively arranged between the flange plate parts at the two ends and the support sleeve and can move freely, a step hole is formed in the position of the press plate for mounting the floating type optical fiber contact part, a step is arranged at the root of a spring claw of the support sleeve, and when the floating type optical fiber contact part is installed into the press plate, the step at the root of the spring claw of the support sleeve is matched with the step hole of the.
Description
Technical Field
The invention belongs to an optical fiber contact element and a connector thereof, and particularly relates to a floating type optical fiber contact element and a connector thereof.
Background
FIGS. 1 and 2 illustrate a prior art non-floating fiber optic contact and connector that includes a housing, a non-floating fiber optic contact (including ceramic ferrule, flange), a clamp plate and a clamping screw; the ceramic pins at the two ends of the contact part are forcibly arranged on the flange to form a non-floating type optical fiber contact part, the optical fiber contact part is positioned between the pressing plates at the two ends in the shell, the pressing plates are fixed on the shell through fastening screws to form a connector, and the contact part has the defect that when the two ends of the connector are connected with plugs, the plugs at the two ends mutually transmit connecting force to influence the butt joint performance, the product performance is poor, and the yield is low; meanwhile, the structure has higher requirements on the dimensional tolerance, the form and position tolerance and the like of each part, and has high processing difficulty and high production cost; the cabin-through type optical fiber connector is also connected in a hard connection mode, and when the cabin-through type optical fiber connector is connected with a plug, the optical fiber contact pieces are mutually influenced, so that the reliability is poor.
Disclosure of Invention
The purpose of the invention is: the problems of poor performance, low yield and high production cost of the non-floating optical fiber connector are solved.
The technical scheme of the invention is as follows: the invention abandons the double-end forced-mounting type lever structure adopted by the existing optical fiber contact element and changes the structure into a double-end floating type structure; meanwhile, through a force release structure formed between the pressing plate and the contact element, when the two ends of the cabin penetrating connector are connected with the plugs, the plugs at the two ends cannot mutually transmit connecting force and do not mutually influence, and the performance is more reliable; meanwhile, the floating structure reduces the machining precision requirement on each part and reduces the machining cost; therefore, the invention not only improves the product performance and the yield, but also reduces the production cost.
The invention is realized by the following steps:
a floating optical fiber contact element and a connector thereof comprise a shell 1, a floating optical fiber contact element, a pressing plate 3 and a fastening screw 4, wherein the floating optical fiber contact element is positioned between the pressing plates at two ends inside the shell, and the pressing plate is fixed on the shell through the fastening screw to form the connector.
The floating type optical fiber contact element is composed of a ceramic contact pin 21, a flange plate 22 and a support sleeve 23, the ceramic contact pin is forcibly inserted into the flange plate to form a flange plate part 2, the flange plate part is assembled at two ends of the support sleeve to form the floating type optical fiber contact element, gaps are respectively formed between the flange plate parts at the two ends and the support sleeve and can move freely, a step hole is formed in the position of the press plate for mounting the floating type optical fiber contact element, a step is arranged at the root of a spring claw of the support sleeve, and when the floating type optical fiber contact element is installed in the press plate, the step at the root of the spring claw of the support sleeve is matched with the step hole of.
The front part of the flange plate is provided with an inner hole, the tail end of the flange plate is provided with a ring groove, the tail end excircle is provided with 2-4 axial guide grooves, the guide grooves are symmetrically distributed along the circumferential direction, the guide grooves are stepped, one section of guide groove plane close to the ring groove is higher than one section of guide groove plane far away from the ring groove, a guide inclined plane can be designed between two planes of the stepped guide grooves, the assembly force is convenient to reduce, and the flange plate part can be easily assembled into the support sleeve in the alignment direction through the guide of the guide grooves.
Elastic claws are arranged at two ends of the support sleeve, 2-4 elastic claws at each end can be arranged, the elastic claws are symmetrically distributed along the circumference, bosses are arranged in inner holes of the elastic claws, and guide inclined planes are arranged at the front ends of the bosses; the axial width of the lug boss of the elastic claw is smaller than the width of the annular groove of the flange plate, the diameter of the inner hole of the lug boss of the elastic claw is larger than the diameter of the outer circle at the bottom of the annular groove of the flange plate, the width of the elastic claw is smaller than the width of the guide groove of the flange plate, the diameter of the inner hole of the elastic claw is smaller than the diameter of the maximum outer circle of the guide groove of.
When the floating type optical fiber contact element is assembled, the ceramic contact pin is forcibly inserted into an inner hole of the flange part, the flange part 2 is formed on the flange, the flange part is assembled at two ends of the support sleeve 23 to form the floating type optical fiber contact element, the contact pin at two ends of the optical fiber contact element and the flange part have the same structure, the middle part is connected through the support sleeve, and the flange parts at two ends and the support sleeve have gaps in all directions and can move freely, so that the two ends can float; the structure with two floatable ends is realized as follows: the elastic claw of the support sleeve is assembled along the axial guide groove of the flange plate, the elastic claw is bounced on the guide inclined plane of the flange plate, and finally the boss of the inner hole of the elastic claw falls into the annular groove of the flange plate; the axial width of the lug boss of the spring claw is smaller than the width of the annular groove of the flange plate, so that the flange plate can axially float in the support sleeve; the boss hole diameter of bullet claw is greater than ring flange ring channel bottom excircle diameter, has guaranteed that the bullet claw is radially floated in the ring flange ring channel, and simultaneously, the boss hole diameter of bullet claw is less than the plane thickness size of ring flange guiding groove inclined plane highest point to avoid the ring flange to deviate from in the bullet claw. Because the guide width of the flange plate is greater than the width of the elastic claw, the flange plate can float in the circumferential direction, meanwhile, the maximum excircle diameter of the guide groove of the flange plate is greater than the diameter of the inner hole of the elastic claw, the fact that the flange plate cannot rotate in the circumferential direction of 360 degrees in the elastic claw is guaranteed, the fact that optical fibers are twisted off when the flange plates at two ends rotate in the circumferential direction respectively is avoided, and finally, the condition guarantees that the flange plate parts at two ends can float independently after being assembled on the supporting.
The position of the pressure plate for mounting the floating optical fiber contact element is internally provided with a step hole, the end face of the step hole is a force release step, the force release position shown in figure 8 is the force release step, and an inner hole at one end of the force release step is larger than the excircle diameter of the elastic claw of the support sleeve and the excircle diameter of the flange plate so as to ensure that the flange plate part can float in the pressure plate. Before the connector is butted with a plug, the optical fiber contact element in the connector can move freely, the flange plate parts at two ends of the contact element are in a free floating state, when the plug is connected from one end (such as the right end), the floating optical fiber contact element can move leftwards along with the connection force of the right end, when the plug is moved to a certain position, the left end stress relief step of the supporting sleeve in the contact element is jacked to the stress relief step of the pressing plate, so that the left acting force of the plug at the right end is blocked, a stress relief structure is formed, the flange plate part at the left end is still in a floating state at the moment, and finally, the plugs at two ends are in floating connection.
Drawings
FIG. 1 is a schematic diagram of a prior art non-floating fiber optic contact configuration;
FIG. 2 is a schematic diagram of a conventional non-floating fiber optic connector;
FIG. 3 is a schematic view of the floating fiber optic contact of the present invention with the ceramic ferrule and flange member attached;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a schematic view of the flange member configuration of the floating fiber optic contact of the present invention;
FIG. 6 is a schematic view of the configuration of the guide slots in the flange member of the floating fiber optic contact of the present invention;
FIG. 7 is an assembly view of the floating fiber optic contact and connector thereof of the present invention;
FIG. 8 is an enlarged view of detail II of FIG. 7;
FIG. 9 is an enlarged view of detail I of FIG. 7;
in the figure: the device comprises a shell 1, a flange plate part 2, a pressure plate 3, a fastening screw 4, a ceramic contact pin 21, a flange plate 22, a support sleeve 23, an annular groove on an HXC-flange plate, a guide groove on an YDC-flange plate, a binding surface of a THM-flange plate and the pressure plate, a pressure relief step of an XLTJ-flange plate and the pressure plate, an inclined surface of the guide groove on the XM-flange plate and a pressure relief groove on the XLC-pressure plate.
Detailed Description
The utility model provides a floating optic fibre contact and connector thereof, which comprises a housin 1, floating optic fibre contact, clamp plate 3 and fastening screw 4, floating optic fibre contact is located between the inside both ends clamp plate of casing, the clamp plate passes through fastening screw to be fixed on the casing and constitutes the connector, ceramic contact pin force dress inserts the ring flange and constitutes the flange part, the floating optic fibre contact is constituteed at support cover both ends to ring flange part equipment, each side all has the clearance between both ends flange part and the support cover, but free movement, be equipped with the step hole in the position of the floating optic fibre contact of clamp plate installation, it is equipped with the step to support cover elastic claw root, support the step and the cooperation of clamp plate step hole formation relief structure of cover elastic claw root, in order to guarantee that the flange part can float in.
The front part of the flange plate is provided with an inner hole, the tail end of the flange plate is provided with an annular groove, the excircle of the tail end is provided with 2 axial guide grooves, the guide grooves are symmetrically distributed along the circumferential direction by 180 degrees, the guide grooves are stepped, one section of guide groove plane close to the annular groove is higher than one section of guide groove plane far away from the annular groove, a guide inclined plane can be designed between two planes of the stepped guide grooves, the assembly force is convenient to reduce, and the flange plate part can be easily assembled into the support sleeve in the alignment direction through the guide of the guide grooves.
Elastic claws are arranged at two ends of the support sleeve, 2 elastic claws can be arranged at each end, the elastic claws are symmetrically distributed along the circumference by 180 degrees, bosses are arranged in inner holes of the elastic claws, and guide inclined planes are arranged at the front ends of the bosses; the axial width of the lug boss of the elastic claw is smaller than the width of the annular groove of the flange plate, the diameter of the inner hole of the lug boss of the elastic claw is larger than the diameter of the outer circle at the bottom of the annular groove of the flange plate, the width of the elastic claw is smaller than the width of the guide groove of the flange plate, the diameter of the inner hole of the elastic claw is smaller than the diameter of the maximum outer circle of the guide groove of.
When the floating type optical fiber contact element is assembled, the ceramic contact pin is forcibly inserted into an inner hole of the flange plate, a flange plate part is formed on the flange plate, the flange plate part is assembled at two ends of the support sleeve to form the floating type optical fiber contact element, the structures of the contact pin at two ends of the optical fiber contact element and the flange plate part are the same, the middle part of the optical fiber contact element is connected through the support sleeve, and gaps exist between the flange plate parts at two ends and the support sleeve in all directions, so that the optical fiber contact element can move; the structure with two floatable ends is realized as follows: the elastic claw of the support sleeve is assembled along the axial guide groove of the flange plate, the elastic claw is bounced on the guide inclined plane of the flange plate, and finally the boss of the inner hole of the elastic claw falls into the annular groove of the flange plate; the axial width of the lug boss of the spring claw is smaller than the width of the annular groove of the flange plate, so that the flange plate can axially float in the support sleeve; the boss hole diameter of bullet claw is greater than ring flange ring channel bottom excircle diameter, has guaranteed that the bullet claw is radially floated in the ring flange ring channel, and simultaneously, the boss hole diameter of bullet claw is less than the plane thickness size of ring flange guiding groove inclined plane highest point to avoid the ring flange to deviate from in the bullet claw. Because the guide width of the flange plate is greater than the width of the elastic claw, the flange plate can float in the circumferential direction, meanwhile, the maximum excircle diameter of the guide groove of the flange plate is greater than the diameter of the inner hole of the elastic claw, the fact that the flange plate cannot rotate in the circumferential direction of 360 degrees in the elastic claw is guaranteed, the fact that optical fibers are twisted off when the flange plates at two ends rotate in the circumferential direction respectively is avoided, and finally, the condition guarantees that the flange plate parts at two ends can float independently after being assembled on the supporting.
The position of the pressure plate for mounting the floating optical fiber contact element is internally provided with a step hole, the end face of the step hole is a force release step, the force release position shown in figure 8 is the force release step, and an inner hole at one end of the force release step is larger than the excircle diameter of the elastic claw of the support sleeve and the excircle diameter of the flange plate so as to ensure that the flange plate part can float in the pressure plate. Before the connector is butted with a plug, the optical fiber contact element in the connector can move freely, the flange plate parts at two ends of the contact element are in a free floating state, when the plug is connected from one end (such as the right end), the floating optical fiber contact element can move leftwards along with the connection force of the right end, when the plug is moved to a certain position, the left end stress relief step of the supporting sleeve in the contact element is jacked to the stress relief step of the pressing plate, so that the left acting force of the plug at the right end is blocked, a stress relief structure is formed, the flange plate part at the left end is still in a floating state at the moment, and finally, the plugs at two ends are in floating connection.
Claims (7)
1. A floating optical fiber contact and connector thereof, including the casing, floating optical fiber contact, clamp plate and fastening screw, its characterized in that: the floating optical fiber contact element is positioned between the pressing plates at two ends in the shell, and the pressing plates are fixed on the shell through fastening screws to form a connector; the floating type optical fiber contact element consists of a ceramic contact pin, a flange plate and a support sleeve, wherein the ceramic contact pin is forcibly inserted into the flange plate to form a flange plate part, the flange plate part is assembled at two ends of the support sleeve to form the floating type optical fiber contact element, gaps are respectively formed between the flange plate parts at the two ends and the support sleeve and can move freely, a step hole is formed in the position of the pressure plate for installing the floating type optical fiber contact element, a step is arranged at the root of a spring claw of the support sleeve, and the step at the root of the spring claw of the support sleeve is matched with the step hole of the pressure plate to form a force release; the front part of the flange plate is provided with an inner hole, the tail end of the flange plate is provided with a ring groove, the tail end excircle is provided with 2-4 axial guide grooves which are symmetrically distributed in the circumferential direction and are stepped, and one section of guide groove plane close to the ring groove is higher than one section of guide groove plane far away from the ring groove.
2. A floating fiber optic contact and connector as claimed in claim 1, wherein: support cover both ends design and have the bullet claw, the bullet claw of each end can be equipped with 2 ~ 4, and bullet claw is along circumference symmetric distribution, and the bullet claw hole is equipped with the boss, and the boss front end is equipped with the guide inclined plane, is equipped with the relief step at the bullet claw root.
3. A floating fiber optic contact and connector as claimed in claims 1 or 2, wherein: the axial width of the boss of the elastic claw at the two ends of the support sleeve is smaller than the width of the ring groove of the flange plate, the diameter of the inner hole of the boss of the elastic claw is larger than the diameter of the excircle at the bottom of the ring groove of the flange plate, the width of the elastic claw is smaller than the width of the guide groove of the flange plate, and the diameter of the inner hole of the elastic claw is smaller than the maximum.
4. A floating fiber optic contact and connector as claimed in claims 1 or 2, wherein: a guide inclined plane can be designed between two planes of the stepped guide groove on the flange.
5. A floating fiber optic contact and connector as claimed in claims 2 or 3, wherein: the diameter of the inner hole of the lug boss of the elastic claw is smaller than the thickness of the plane at the highest position of the inclined plane of the guide groove of the flange plate.
6. A floating fiber optic contact and connector as claimed in claim 1, wherein: the pressure plate is provided with a step hole in the position where the floating optical fiber contact element is arranged, and the end surface of the step hole is a force-releasing step.
7. A floating fiber optic contact and connector as claimed in claims 1 or 6, wherein: the inner hole at one end of the pressure plate stress relief step is larger than the excircle diameter of the elastic claw of the support sleeve and the excircle diameter of the flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711264186.1A CN108072938B (en) | 2017-12-04 | 2017-12-04 | Floating type optical fiber contact element and connector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711264186.1A CN108072938B (en) | 2017-12-04 | 2017-12-04 | Floating type optical fiber contact element and connector thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108072938A CN108072938A (en) | 2018-05-25 |
| CN108072938B true CN108072938B (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711264186.1A Active CN108072938B (en) | 2017-12-04 | 2017-12-04 | Floating type optical fiber contact element and connector thereof |
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| Country | Link |
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| CN (1) | CN108072938B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109599729B (en) * | 2017-09-30 | 2021-01-29 | 中航光电科技股份有限公司 | Connector and contact module thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320827A (en) * | 2000-03-30 | 2001-11-07 | 莫列斯公司 | Floating connector assembly |
| CN201262654Y (en) * | 2008-08-29 | 2009-06-24 | 中航光电科技股份有限公司 | Plug and socket for optical fiber connector as well as optical pin component with radial micromotion pin |
-
2017
- 2017-12-04 CN CN201711264186.1A patent/CN108072938B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320827A (en) * | 2000-03-30 | 2001-11-07 | 莫列斯公司 | Floating connector assembly |
| CN201262654Y (en) * | 2008-08-29 | 2009-06-24 | 中航光电科技股份有限公司 | Plug and socket for optical fiber connector as well as optical pin component with radial micromotion pin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108072938A (en) | 2018-05-25 |
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