CN110954997A - Tensile structure for optical cable connection - Google Patents
Tensile structure for optical cable connection Download PDFInfo
- Publication number
- CN110954997A CN110954997A CN201911401233.1A CN201911401233A CN110954997A CN 110954997 A CN110954997 A CN 110954997A CN 201911401233 A CN201911401233 A CN 201911401233A CN 110954997 A CN110954997 A CN 110954997A
- Authority
- CN
- China
- Prior art keywords
- hole
- limiting block
- connecting piece
- optical cable
- fiber
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 60
- 239000013307 optical fiber Substances 0.000 claims abstract description 44
- 239000000835 fiber Substances 0.000 claims abstract description 33
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 6
- 229920000297 Rayon Polymers 0.000 abstract description 2
- 239000002964 rayon Substances 0.000 abstract description 2
- 239000000919 ceramic Substances 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Images
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
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
A fiber optic cable connection tension resistant structure comprising: a plug housing having in a middle thereof: the first channel is used for optical cable connection, and a first limiting block is arranged in the first channel; a first mount for passing an optical cable, comprising: one end of the second limiting block is used for abutting against the first limiting block, and the middle part of the second limiting block is provided with a second channel for the optical cable to pass through; the first connecting piece is provided with a first optical fiber through hole and a second fixing hole penetrating through the first connecting piece, and the second fixing hole is perpendicular to the first optical fiber through hole; the first fixing sub-element is arranged in the second fixing hole and is connected with the spun rayon of the optical cable; one end of the first tail sleeve is detachably connected with the plug shell, a third channel is formed in the middle of the first tail sleeve, and the first fixing piece is arranged in the third channel. When the cable fixing device is used, the first tail sleeve is used for limiting the optical cable backwards, so that the fixing and tensile resistance of the optical cable are achieved.
Description
Technical Field
The invention relates to an optical cable connecting device, in particular to an optical cable connecting tensile structure.
Background
The size of the fiber core of the optical fiber is 9 mu m or 62.5 mu m, and the low-loss coupling of the optical fiber is ensured by firstly depending on the precision of parts such as an optical fiber ceramic pin and the like and secondly adopting an optical fiber ceramic pin spring floating connection structure to achieve low optical fiber connection loss.
When the optical fiber ceramic contact pin is coupled (figure 1), the spring floating structure can ensure good surface contact of the end face of the optical fiber even if the connection precision of the connector shell is not high, and can provide certain pre-tightening force of the end face of the optical fiber. This design approach for fiber optic connectors has become almost standard and is adopted by all commercially available fiber optic connectors (e.g., FC, ST, SC, LC connectors) on the market. However, the spring floating structure causes the optical fiber ferrule and the optical cable to move back and forth along with the insertion and the separation of the connector, so that the dynamic connection mode cannot meet the requirement on the tensile resistance of the connector tail cable.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a tensile structure for optical cable connection, which meets the tensile requirement.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a fiber optic cable connection tension resistant structure comprising:
a plug housing having in a middle thereof:
the first channel is used for optical cable connection, and a first limiting block is arranged in the first channel;
a first mount for passing an optical cable, comprising:
one end of the second limiting block is used for abutting against the first limiting block, and the middle part of the second limiting block is provided with a second channel for the optical cable to pass through;
the first connecting piece is provided with a first optical fiber through hole and a second fixing hole penetrating through the first connecting piece, and the second fixing hole is perpendicular to the first optical fiber through hole;
the first fixing sub-element is arranged in the second fixing hole and is connected with the spun rayon of the optical cable;
one end of the first tail sleeve is detachably connected with the plug shell, a third channel is formed in the middle of the first tail sleeve, and the first fixing piece is arranged in the third channel.
The optical cable connection tensile structure of the invention, wherein the first fixing piece comprises:
the first clamping plate is arranged on the side surface of the first connecting piece and is connected with the first connecting piece through the first fixing sub-piece;
the second clamping plate is arranged on one side, away from the first connecting piece and the first clamping plate, of the first clamping plate and is connected with the first connecting piece through the first fixing sub-piece.
The optical cable connection tensile structure is characterized in that a second optical fiber through hole is formed in the surface of the first clamping plate, the first optical fiber through hole is formed in the surface of the first connecting piece, and the second optical fiber through hole and the first optical fiber through hole are combined together to limit an optical fiber.
The optical cable connection tensile structure is characterized in that a third optical fiber through hole is formed in the surface of the second clamping plate, the first optical fiber through hole is formed in the surface of the first connecting piece, and the third optical fiber through hole and the first optical fiber through hole are combined together to limit an optical fiber.
The optical cable connection tensile structure of the invention, wherein the first fixing piece comprises:
one end of the second connecting piece is connected with the first connecting piece, and the other end of the second connecting piece is connected with the second limiting block;
and one end of the third connecting piece is connected with the first connecting piece, the other end of the third connecting piece is connected with the second limiting block, and the second connecting piece and the third connecting piece are arranged in parallel and are respectively positioned at two sides of the second limiting block and the first connecting piece.
The optical cable connection tensile structure is characterized in that one side, in contact with the second limiting block, of the first limiting block is provided with a first limiting hole, and the second limiting block is provided with a limiting bulge matched with the first limiting hole.
The optical cable connection tensile structure provided by the invention is characterized in that the first tail sleeve is provided with:
and the third limiting block is arranged in the third channel, and the middle part of the third limiting block is provided with a first optical cable through hole.
The optical cable connection tensile structure of the invention, wherein the first fixing piece comprises:
and the fourth limiting block is connected with one end, far away from the second limiting block, of the first connecting piece, the other end of the fourth limiting block is used for abutting against the third limiting block, and a second optical cable through hole is formed in the middle of the fourth limiting block.
The optical cable connection tensile structure of the invention, wherein the first fixing piece comprises:
one end of the first protective sleeve is connected with one end of the fourth limiting block far away from the first connecting piece, and the other end of the first protective sleeve extends out of the first tail sleeve and is used for protecting the optical cable and provided with a third optical cable through hole.
The optical cable connection tensile structure is characterized in that the first fixing sub-component is a screw nut, and the spinnerets are respectively wound on the screw nut and fastened through the screw.
Compared with the prior art, the invention has the beneficial effects that:
when the optical cable is used, the optical cable is connected with the first channel of the plug shell through the first tail sleeve and the second channel of the first fixing piece, the spun fiber of the optical cable is connected through the first fixing piece, the tensile force requirement can be provided by the spun fiber, when the optical cable moves, the tensile force requirement of the optical cable is met through buffering of the spun fiber, meanwhile, the optical cable is limited forwards through the second connecting block and the first connecting block, and the optical cable is limited backwards through the first tail sleeve, so that the fixing and the tensile force of the optical cable are achieved.
Drawings
FIG. 1 is a prior art view provided by the present invention;
FIG. 2 is a partial cross-sectional view of an embodiment provided by the present invention;
FIG. 3 is a partial cross-sectional view from another perspective of an embodiment provided by the present invention;
FIG. 4 is a partial exploded view of an embodiment of the present invention;
FIG. 5 is an exploded view of an embodiment of the present invention;
FIG. 6 is a view of a first fastener member according to an embodiment of the invention;
FIG. 7 is a left side view of a first fastener member in accordance with an embodiment of the present invention;
FIG. 8 is a cross-sectional view of a first fastener element according to an embodiment of the invention;
FIG. 9 is a view of a plug housing according to an embodiment of the present invention;
FIG. 10 is an external view of an embodiment of the present invention;
Detailed Description
Referring to fig. 1-8, it will be understood by those skilled in the art that the terms "upper", "lower", "one end", "the other end", etc., in the present disclosure, are used in an orientation or positional relationship indicated in the drawings, which is only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or component must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore the above terms should not be construed as limiting the present invention.
It should be noted that, when the fiber ceramic ferrule is coupled (fig. 1), the spring floating structure can ensure good surface contact of the fiber end face even if the connection precision of the connector housing is not high, and can provide a certain pre-tightening force to the fiber end face. This design approach for fiber optic connectors has become almost standard and is adopted by all commercially available fiber optic connectors (e.g., FC, ST, SC, LC connectors) on the market. However, the spring floating structure causes the optical fiber ferrule and the optical cable to move back and forth along with the insertion and the separation of the connector, so that the dynamic connection mode cannot meet the requirement on the tensile resistance of the connector tail cable.
Based on this, the invention provides an optical cable connection tensile structure, which comprises:
the first channel 110 is used for optical cable connection, and the first channel 110 has a first stopper 111 therein;
the first fixing member 200, the first fixing member 200 being for passing an optical cable, includes:
one end of the second limiting block 210 is used for abutting against the first limiting block 111, and the middle part of the second limiting block is provided with a second channel 211 for the optical cable to pass through;
a first connecting member 220, wherein the first connecting member 220 has a first fiber through hole 221 therein, and the first connecting member 220 has a second fixing hole 222 penetrating through the first connecting member 220, and the second fixing hole 222 is perpendicular to the first fiber through hole 221;
a first fixing sub-member 230 disposed in the second fixing hole 222 to be coupled with the spinnerets of the cable;
the first tail sleeve 300 has one end detachably connected to the plug housing 100, a third passage 310 in the middle, and the first fixing member 200 is disposed in the third passage 310.
When this embodiment uses, the optical cable carries out fiber connection in plug housing 100's first passageway by the second passageway of first tail cover and first mounting, through the spinnerette with the optical cable through first fixed sub-part connection, can utilize spinnerette to provide the pulling force requirement, when making optic fibre drunkenness, cushion through spinnerette and carry out the stretching resistance requirement of optic fibre, carry out forward spacing through second connecting block and first connecting block to the optical cable simultaneously, carry out spacing backward to the optical cable through first tail cover 300, play fixed and the stretching resistance to the optical cable.
It should be noted that the optical cable generally has an optical fiber layer, a spun fiber layer, and a protective layer, which are sequentially arranged from inside to outside.
In some embodiments, the first fixing member 200 includes:
a first clamping plate 240 disposed at a side of the first connecting member 220 and connected to the first connecting member 220 by a first fixing sub-member 230;
the second clamping plate 250 is disposed on a side of the first connecting member 220 facing away from the first clamping plate 240, and is connected to the first connecting member 220 through the first fixing sub-member 230.
The optical fiber is clamped and protected by the first clamping plate 240 and the second clamping plate 240.
The surface of the first clamping plate 240 is provided with a second optical fiber through hole 241, the first optical fiber through hole 221 is arranged on the surface of the first connecting piece 220, and the second optical fiber through hole 241 and the first optical fiber through hole 221 are combined together to limit the optical fiber.
The optical fibers are disposed in the first and second fiber through holes 221 and 241, so that the optical fibers can be protected and the installation of the optical fibers is facilitated.
In some embodiments, the second clamping plate 250 has a third fiber through hole 251 on the surface, the first fiber through hole 221 is disposed on the surface of the first connecting member 220, and the third fiber through hole 251 and the first fiber through hole 221 cooperate to restrain the optical fiber.
The optical fibers are disposed in the first and third fiber through holes 221 and 251, and can be protected while facilitating installation of the optical fibers.
In some embodiments, the first fixing member 200 includes:
one end of the second connecting member 260 is connected to the first connecting member 220, and the other end is connected to the second stopper 210;
one end of the third connecting member 270 is connected to the first connecting member 220, the other end is connected to the second stopper 210, and the second connecting member 260 and the third connecting member 270 are disposed in parallel and located at two sides of the second stopper 210 and the first connecting member 220, respectively.
The second connecting piece 260 and the third connecting piece 270 are arranged on two sides of the second limiting block 210, so that a certain gap is formed between the second connecting piece 260 and the third connecting piece 270, when the optical fiber is connected in the first channel 110, the optical fiber retreats for a certain distance, and the optical fiber can be bent in the gap.
In some embodiments, the first stopper 111 has a first stopper hole 112 at a side contacting the second stopper 210, and the second stopper 210 has a stopper protrusion 211 matching with the first stopper hole 112.
The second stopper 210 is limited by the first limiting hole and the limiting protrusion, and the second stopper 210 is prevented from rotating.
In some embodiments, the first boot 300 has:
and a third stopper 320 disposed in the third channel 310, and having a first cable through hole 321 disposed in the middle.
The third limiting block 320 limits the first fixing member 200 to prevent the first fixing member from sliding out of the first tail sleeve.
In some embodiments, the first fixing member 200 includes:
the fourth stopper 280 is connected to the end of the first connector 220 away from the second stopper 110, and the other end of the fourth stopper is used for abutting against the third stopper 320, and has a second cable through hole 281 in the middle.
The fourth limiting block is matched with the third limiting block 320, so that the first fixing piece is prevented from sliding out of the first tail sleeve.
In some embodiments, the first fixing member 200 includes:
one end of the first protection sleeve 290 is connected to the end of the fourth limiting block 280 away from the first connector 220, and the other end extends out of the first tail sleeve 300, so as to protect the optical cable, and the first protection sleeve is provided with a third optical cable through hole 291.
The first protective sheath protects the optical cable.
In some embodiments, the first fixing sub-member 230 is a screw nut, and the spinners are respectively wound around the screws and fastened by the screws.
When the fixing device is used for fixing the spun nylon through the screw and the nut, specifically, the spun nylon is wound on the screw, and is clamped through the nut, so that the fixation of the spun nylon is realized.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, which is defined by the claims.
Claims (10)
1. A cable joint tensile structure comprising:
a plug housing (100), the plug housing (100) having in a middle portion:
the first channel (110) is used for optical cable connection, and a first limiting block (111) is arranged in the first channel (110);
a first mount (200), the first mount (200) for passing an optical cable, comprising:
one end of the second limiting block (210) is used for abutting against the first limiting block (111), and the middle part of the second limiting block is provided with a second channel (211) for the optical cable to pass through;
a first connecting piece (220), wherein the first connecting piece (220) is provided with a first optical fiber through hole (221), and the first connecting piece (220) is provided with a second fixing hole (222) penetrating through the first connecting piece (220), and the second fixing hole (222) is perpendicular to the first optical fiber through hole (221);
a first fixing sub-member (230) disposed in the second fixing hole (222) and connected to a spun yarn of the optical cable;
the first tail sleeve (300) is detachably connected with the plug shell (100) at one end, a third channel (310) is formed in the middle, and the first fixing piece (200) is arranged in the third channel (310).
2. The cable connection tensile structure of claim 1, wherein the first fixing member (200) includes:
a first clamping plate (240) arranged on the side of the first connecting piece (220) and connected with the first connecting piece (220) through the first fixing sub-piece (230);
the second clamping plate (250) is arranged on the side, away from the first clamping plate (240), of the first connecting piece (220) and is connected with the first connecting piece (220) through the first fixing sub-piece (230).
3. The cable connection tensile structure according to claim 2, wherein the first clamping plate (240) has a second fiber through hole (241) on a surface thereof, the first fiber through hole (221) is disposed on a surface of the first connector (220), and the second fiber through hole (241) and the first fiber through hole (221) cooperate to confine the optical fiber.
4. The cable connection tensile structure of claim 2, wherein the second clamping plate (250) has a third fiber through hole (251) on a surface thereof, the first fiber through hole (221) is disposed on a surface of the first connecting member (220), and the third fiber through hole (251) and the first fiber through hole (221) cooperate to confine the optical fiber.
5. The cable connection tensile structure of claim 3, wherein the first fixing member (200) includes:
one end of the second connecting piece (260) is connected with the first connecting piece (220), and the other end of the second connecting piece is connected with the second limiting block (210);
and one end of the third connecting piece (270) is connected with the first connecting piece (220), the other end of the third connecting piece is connected with the second limiting block (210), and the second connecting piece (260) and the third connecting piece (270) are arranged in parallel and are respectively positioned at two sides of the second limiting block (210) and the first connecting piece (220).
6. The optical cable connection tensile structure according to claim 1, wherein a first limiting hole (112) is formed at a side where the first limiting block (111) is in contact with the second limiting block (210), and the second limiting block (210) has a limiting protrusion (212) which is matched with the first limiting hole (112).
7. The cable connection tensile structure according to claim 1, wherein the first boot (300) has:
and the third limiting block (320) is arranged in the third channel (310), and a first cable through hole (321) is formed in the middle of the third limiting block.
8. The cable connection tension resistant structure according to claim 7, wherein the first fixing member (200) includes:
and the fourth limiting block (280) is connected with one end, far away from the second limiting block (110), of the first connecting piece (220), the other end of the fourth limiting block is used for abutting against the third limiting block (320), and a second optical cable through hole (281) is formed in the middle of the fourth limiting block.
9. The cable connection tensile structure of claim 6, wherein the first fixing member (200) includes:
one end of the first protective sleeve (290) is connected with one end, far away from the first connecting piece (220), of the fourth limiting block (280), the other end of the first protective sleeve extends out of the first tail sleeve (300) and is used for protecting the optical cable, and the first protective sleeve is provided with a third optical cable through hole (291).
10. The optical cable connection tensile structure according to claim 1, wherein the first fixing sub-member (230) is a screw nut, and the spinners are respectively wound around the screws and fastened by the screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911401233.1A CN110954997A (en) | 2019-12-31 | 2019-12-31 | Tensile structure for optical cable connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911401233.1A CN110954997A (en) | 2019-12-31 | 2019-12-31 | Tensile structure for optical cable connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110954997A true CN110954997A (en) | 2020-04-03 |
Family
ID=69985087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911401233.1A Pending CN110954997A (en) | 2019-12-31 | 2019-12-31 | Tensile structure for optical cable connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110954997A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118915241A (en) * | 2024-09-13 | 2024-11-08 | 河北卓思通信器材有限公司 | Tensile optical fiber movable connector |
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| CN208705522U (en) * | 2018-07-26 | 2019-04-05 | 深圳市特发信息股份有限公司 | A kind of quick lap joint formula optical fiber beam expansion connector |
| CN212181085U (en) * | 2019-12-31 | 2020-12-18 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Tensile structure for optical cable connection |
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2019
- 2019-12-31 CN CN201911401233.1A patent/CN110954997A/en active Pending
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| JPS6484204A (en) * | 1987-09-28 | 1989-03-29 | Fujitsu Ltd | Optical cord anchor structure |
| CN1082203A (en) * | 1992-04-29 | 1994-02-16 | 亚特兰大科研公司 | The fiber optic cable connectors of strain relief is provided |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118915241A (en) * | 2024-09-13 | 2024-11-08 | 河北卓思通信器材有限公司 | Tensile optical fiber movable connector |
| CN118915241B (en) * | 2024-09-13 | 2025-05-02 | 河北卓思通信器材有限公司 | Tensile optical fiber movable connector |
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