CN110554467A - Detachable optical fiber contact body - Google Patents
Detachable optical fiber contact body Download PDFInfo
- Publication number
- CN110554467A CN110554467A CN201910879583.2A CN201910879583A CN110554467A CN 110554467 A CN110554467 A CN 110554467A CN 201910879583 A CN201910879583 A CN 201910879583A CN 110554467 A CN110554467 A CN 110554467A
- Authority
- CN
- China
- Prior art keywords
- contact assembly
- optical fiber
- section
- contact
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 29
- 239000000919 ceramic Substances 0.000 claims abstract description 29
- 230000002093 peripheral effect Effects 0.000 claims abstract description 29
- 230000001681 protective effect Effects 0.000 claims abstract description 28
- 230000007704 transition Effects 0.000 claims description 14
- 238000002788 crimping Methods 0.000 claims description 7
- 108090000565 Capsid Proteins Proteins 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading means
-
- 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
- G02B6/3835—Means for centering or aligning the light guide within the ferrule using discs, bushings or the like
- G02B6/3837—Means for centering or aligning the light guide within the ferrule using discs, bushings or the like forwarding or threading methods of light guides into apertures of ferrule centering means
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to the technical field of electric connectors, in particular to a detachable optical fiber contact body, wherein a detachable optical fiber contact body main body is in a tubular shape with a cavity and comprises a first contact assembly and a second contact assembly which are coaxially arranged, matched threads are arranged on the outer peripheral surface of a head section of the second contact assembly and the inner peripheral surface of a tail section of the first contact assembly, the second contact assembly is detachably connected with the first contact assembly through threaded engagement, and the outer peripheral surfaces of two sides of an interface of the first contact assembly and the second contact assembly are flush after the first contact assembly and the second contact assembly are assembled. The invention realizes the detachable connection of the optical fiber contact body through the matching of the external thread on the connecting section of the hole front shell and the internal thread of the protective sleeve, and is convenient for replacing the ceramic ferrule in the protective sleeve.
Description
Technical Field
The invention relates to the technical field of electric connectors, in particular to a detachable optical fiber contact body.
Background
In order to realize the transmission of optical fiber signals in the rectangular connector conforming to the MIL-DTL-83527B standard and have the detachable function, a detachable 16# optical fiber contact body needs to be developed. In response to the market demands of the optical fiber connectors at home and abroad, the detachable optical fiber contact body meeting the MIL-RF-29504 standard is designed and produced by our factory according to the existing relevant technical standards at home and abroad. The protective sleeve of the 16# optical fiber contact body in the prior art is in interference fit with the front hole shell, so that the ceramic sleeve is inconvenient to disassemble and replace, and therefore an optical fiber contact body with a detachable function of the ceramic sleeve is urgently needed.
Disclosure of Invention
In order to solve the problems, the invention provides a detachable optical fiber contact body which has the characteristic that a ceramic sleeve is detachable.
In order to achieve the purpose, the invention adopts the technical scheme that:
The utility model provides a detachable optical fiber contact body, detachable optical fiber contact body main part is the tubulose that has the cavity, including first contact assembly and the second contact assembly with the axle center setting, be equipped with the assorted screw thread on the outer peripheral face of second contact assembly head segment and the inner peripheral surface of first contact assembly tail section, the second contact assembly passes through threaded engagement and is connected with first contact assembly detachable, and the outer peripheral face of its kneck both sides flushes after first contact assembly assembles with the second contact assembly.
Preferably, the first contact assembly comprises a protection sleeve and a ceramic sleeve, the end face of the head section of the protection sleeve is provided with an annular convex edge extending towards the axis direction, the ceramic sleeve is inserted into the protection sleeve and abutted against the side wall of the annular convex edge, the inner circumferential surface of the protection sleeve is provided with an internal thread, and the internal thread is arranged between the end port of the tail section of the protection sleeve and the ceramic sleeve.
Preferably, the second contact assembly comprises a ceramic ferrule, a hole front shell, a spring, a hole rear shell and a crimping ring, the hole front shell is hollow and tubular, the outer peripheral surface of the hole front shell is sequentially sleeved with the spring, the hole rear shell and the crimping ring, the hole front shell comprises a connecting section and an assembling section, the connecting section is located at the head end of the hole front shell, the inner diameter of the connecting section is larger than that of the assembling section, the transition position of the connecting section is stepped, the tail section of the ceramic ferrule is arranged in the connecting section in an interference manner, the end surface of the ceramic ferrule is abutted to the end surface of the assembling section, the outer peripheral surface of the connecting section is provided with an external thread matched with the internal thread, a first annular boss is arranged beside the external thread of the hole front shell, the spring is sleeved in the middle of the hole front shell, the hole rear shell is clamped on the hole front, the two ends of the spring are respectively abutted against the first annular boss and the second annular boss, and the compression joint ring is clamped at the tail section of the front shell of the hole.
Preferably, the transition position between the outer peripheral surface of the ferrule head section and the end surface forms a fillet, and the transition position between the end surface of the first annular boss on the side far away from the external thread and the peripheral surface forms a fillet.
Preferably, the protection sleeve has a chamfer formed at the transition position between the end surface of one side of the annular convex edge and the inner peripheral surface.
The beneficial effects of the invention are as follows: according to the invention, through the matching of the external thread on the connecting section of the front shell of the hole and the internal thread of the protective sleeve, the detachable connection of the optical fiber contact body is realized, and the replacement of the ceramic ferrule in the protective sleeve is convenient; the detachable optic fibre contact after the assembly, its kneck protective case and first annular boss are on same horizontal plane, do not have the arch when using and external component contact and do not scrape, have strengthened the security, and the assembly section is connected the back with protective case, and inside formation labyrinth structure makes the waterproof performance reinforcing of pottery lock pin. The transition position of the outer peripheral face of the ceramic ferrule head section and the end face forms a fillet, so that the internal thread and the ceramic sleeve of the protective sleeve are effectively prevented from being cut in the assembling process, and the using effect and the service life of the optical fiber contact body are effectively protected. The transition position of the end face of one side of the protective sleeve with the annular convex edge and the inner peripheral surface forms a chamfer, when the protective sleeve is butted with other optical fiber contact bodies, the chamfer plays a guiding and guiding role, and the optical fiber contact bodies are assembled.
Drawings
FIG. 1 is a schematic structural view of the present invention;
The reference numerals include:
1-protective sleeve, 11-annular convex edge, 2-ceramic sleeve, 3-ceramic ferrule, 4-hole front shell, 41-first annular boss, 5-spring, 6-hole rear shell, 61-second annular boss and 7-crimping ring.
Detailed Description
The present invention is described in detail below with reference to the attached drawings.
As shown in figure 1, a detachable optical fiber contact body, detachable optical fiber contact body main part is the tubulose that has the cavity, including first contact assembly and the second contact assembly with the axle center setting, be equipped with assorted screw thread on the outer peripheral face of second contact assembly head segment and the inner peripheral surface of first contact assembly tail section, the second contact assembly passes through the thread engagement and is connected with first contact assembly detachable, the outer peripheral face of its kneck both sides flushes after first contact assembly and the assembly of second contact assembly, it does not have the arch when contacting with external component and does not scratch, the security has been strengthened.
First contact assembly includes protective case 1 and ceramic bushing 2, and protective case 1 head segment terminal surface has the protruding edge 11 of annular that extends to the axle center direction, and ceramic bushing 2 cartridge just with the protruding 11 lateral walls butts of annular in protective case 1, offers the internal thread on protective case 1's the inner peripheral surface, and the internal thread is between protective case 1 tail end port and ceramic bushing 2.
The second contact component comprises a ceramic ferrule 3, a hole front shell 4, a spring 5, a hole rear shell 6 and a compression ring 7, the main body of the hole front shell 4 is in a hollow tubular shape, the outer peripheral surface of the hole front shell 4 is sequentially sleeved with the spring 5, the hole rear shell 6 and the compression ring 7, the hole front shell 4 comprises a connecting section and an assembling section, the connecting section is positioned at the head end of the hole front shell 4, the inner diameter of the connecting section is larger than that of the assembling section, the transition position of the connecting section is in a step shape, the tail section of the ceramic ferrule 3 is arranged in the connecting section in an interference fit manner, the end surface of the ceramic ferrule is abutted against the end surface of the assembling section, the outer peripheral surface of the connecting section is provided with an external thread matched with the internal thread, a first annular boss 41 is arranged beside the external thread of the hole front shell 4, the spring 5 is sleeved at, two ends of the spring 5 are respectively abutted against the first annular boss 41 and the second annular boss 61, and the crimping ring 7 is clamped at the tail section of the front hole shell 4.
With second contact module and the butt joint of first contact module, optic fibre lock pin 3 inserts protective case 1 the back and screws the two, internal thread and 4 external screw thread meshes of hole procapsid through protective case 1, make first contact module and first contact module threaded connection, screw the two back pottery lock pin 3 by protective case 1 in the pottery sleeve pipe 2 hold tightly, when needs are dismantled and are changed pottery sleeve pipe 2, reverse unscrewing first contact module and second contact module and making the two separation, still the cover is equipped with pottery sleeve pipe 2 on the pottery lock pin 3 this moment, take off pottery sleeve pipe 2 and can change.
The transition position of the outer peripheral face of 3 sections of pottery lock pin and terminal surface forms the fillet, effectively prevents to cut internal thread and ceramic bushing 2 of protective case 1 in the assembling process, effectively protects the result of use and the life-span of optic fibre contact. The terminal surface of the far external screw thread one side of first annular boss 41 forms the fillet with global transition position, does not have the arch when using with the external component contact and does not scrape, has strengthened the security. The end face of one side of the protective sleeve 1 with the annular convex edge 11 and the transition position of the inner circumferential surface form a chamfer, and when the protective sleeve is butted with other optical fiber contact bodies, the chamfer plays a guiding and guiding role, and the optical fiber contact bodies are assembled.
the foregoing is only a preferred embodiment of the present invention, and many variations in the detailed description and the application range can be made by those skilled in the art without departing from the spirit of the present invention, and all changes that fall within the protective scope of the invention are therefore considered to be within the scope of the invention.
Claims (5)
1. a demountable optical fiber contact body, comprising: the detachable optical fiber contact body main body is tubular with a cavity and comprises a first contact assembly and a second contact assembly which are coaxially arranged, matched threads are arranged on the outer peripheral surface of a head section of the second contact assembly and the inner peripheral surface of a tail section of the first contact assembly, the second contact assembly is detachably connected with the first contact assembly through thread engagement, and the outer peripheral surfaces of two sides of a joint of the first contact assembly and the second contact assembly are flush after the first contact assembly and the second contact assembly are assembled.
2. A demountable optical fiber contact body according to claim 1, wherein: first contact assembly includes protective case (1) and ceramic bushing (2), protective case (1) head section terminal surface has the protruding edge of annular (11) that extend to the axle center direction, ceramic bushing (2) cartridge just with the protruding edge of annular (11) lateral wall butt in protective case (1), set up the internal thread on the inner peripheral surface of protective case (1), the internal thread is between protective case (1) tail section port and ceramic bushing (2).
3. A demountable optical fiber contact body according to claim 2, wherein: the second contact component comprises a ceramic ferrule (3), a hole front shell (4), a spring (5), a hole rear shell (6) and a crimping ring (7), the main body of the hole front shell (4) is in a hollow tubular shape, the outer peripheral surface of the hole front shell (4) is sequentially sleeved with the spring (5), the hole rear shell (6) and the crimping ring (7), the hole front shell (4) comprises a connecting section and an assembling section, the connecting section is located at the head end of the hole front shell (4), the inner diameter of the connecting section is larger than that of the assembling section, the transition position of the connecting section is in a step shape, the tail section of the ceramic ferrule (3) is arranged in the connecting section in an interference manner, the end surface of the ceramic ferrule is abutted against the end surface of the assembling section, the outer peripheral surface of the connecting section is provided with an external thread matched with the internal thread, a first annular boss (41) is arranged beside the external thread of the, casing (6) are through the jack catch clamp on hole procapsid (4) behind the hole, the one end that casing (6) are close to spring (5) behind the hole is provided with second annular boss (61), spring (5) both ends respectively with first annular boss (41) and second annular boss (61) looks butt, crimping ring (7) clamp in hole procapsid (4) tail-end.
4. A demountable optical fiber contact body according to claim 3, wherein: the transition position of the peripheral face and the terminal surface of the head section of the ceramic ferrule (3) forms a fillet, and the transition position of the terminal surface and the peripheral face of one side, away from the external thread, of the first annular boss (41) forms a fillet.
5. A demountable optical fiber contact body according to claim 2, wherein: the protective sleeve (1) is provided with a chamfer at the transition position between the end surface of one side of the annular convex edge (11) and the inner peripheral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910879583.2A CN110554467A (en) | 2019-09-18 | 2019-09-18 | Detachable optical fiber contact body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910879583.2A CN110554467A (en) | 2019-09-18 | 2019-09-18 | Detachable optical fiber contact body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110554467A true CN110554467A (en) | 2019-12-10 |
Family
ID=68740741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910879583.2A Pending CN110554467A (en) | 2019-09-18 | 2019-09-18 | Detachable optical fiber contact body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110554467A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289042A (en) * | 2011-08-19 | 2011-12-21 | 昆山迎翔光电科技有限公司 | SC-APC stepped ceramic ferrule |
| CN103217749A (en) * | 2013-03-14 | 2013-07-24 | 上海坤腾光电科技有限公司 | Novel optical fiber connector |
| CN103364883A (en) * | 2012-04-09 | 2013-10-23 | 鸿富锦精密工业（深圳）有限公司 | Optical fiber connector |
| CN204143000U (en) * | 2014-11-04 | 2015-02-04 | 河北智康通信技术有限公司 | A kind of ceramic ferrule tailstock |
| CN206020726U (en) * | 2016-08-29 | 2017-03-15 | 沈阳兴华航空电器有限责任公司 | A kind of novel optical fiber contact piece |
| CN206773237U (en) * | 2017-03-27 | 2017-12-19 | 西安飞机工业（集团）亨通航空电子有限公司 | A kind of optical patchcord of high-strength corrosion-resisting |
| CN109188611A (en) * | 2018-09-03 | 2019-01-11 | 华为技术有限公司 | A kind of fiber connector and optical fiber connector |
| CN210427869U (en) * | 2019-09-18 | 2020-04-28 | 沈阳兴华航空电器有限责任公司 | Detachable optical fiber contact body |
-
2019
- 2019-09-18 CN CN201910879583.2A patent/CN110554467A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289042A (en) * | 2011-08-19 | 2011-12-21 | 昆山迎翔光电科技有限公司 | SC-APC stepped ceramic ferrule |
| CN103364883A (en) * | 2012-04-09 | 2013-10-23 | 鸿富锦精密工业（深圳）有限公司 | Optical fiber connector |
| CN103217749A (en) * | 2013-03-14 | 2013-07-24 | 上海坤腾光电科技有限公司 | Novel optical fiber connector |
| CN204143000U (en) * | 2014-11-04 | 2015-02-04 | 河北智康通信技术有限公司 | A kind of ceramic ferrule tailstock |
| CN206020726U (en) * | 2016-08-29 | 2017-03-15 | 沈阳兴华航空电器有限责任公司 | A kind of novel optical fiber contact piece |
| CN206773237U (en) * | 2017-03-27 | 2017-12-19 | 西安飞机工业（集团）亨通航空电子有限公司 | A kind of optical patchcord of high-strength corrosion-resisting |
| CN109188611A (en) * | 2018-09-03 | 2019-01-11 | 华为技术有限公司 | A kind of fiber connector and optical fiber connector |
| CN210427869U (en) * | 2019-09-18 | 2020-04-28 | 沈阳兴华航空电器有限责任公司 | Detachable optical fiber contact body |
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