CN2560960Y - Improved optical fiber casing pipe structure - Google Patents
Improved optical fiber casing pipe structure Download PDFInfo
- Publication number
- CN2560960Y CN2560960Y CN 02247411 CN02247411U CN2560960Y CN 2560960 Y CN2560960 Y CN 2560960Y CN 02247411 CN02247411 CN 02247411 CN 02247411 U CN02247411 U CN 02247411U CN 2560960 Y CN2560960 Y CN 2560960Y
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- ferrule
- fiber sleeve
- sleeve
- air
- 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.)
- Expired - Fee Related
Links
- 239000013307 optical fiber Substances 0.000 title claims description 58
- 239000000835 fiber Substances 0.000 claims abstract description 21
- 239000011521 glass Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- -1 pottery Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
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- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model relates to an improved fiber tube configuration. A ventilated slot is arranged on the outer wall of the fiber tube which is for positioning a fiber core. When the fiber tube connects a fiber sleeve, the air inside the fiber sleeve will be extruded to the ventilated slot and flows to the outside. The utility model can ensure the fiber tube and fiber sleeve joints with each other closely, in order to ensure the fiber communication quality.
Description
Technical field
The utility model relates to a kind of modified ferrule structure, especially a kind of ferrule that constitutes the required optical fiber master of fiber optic network, passive device.
Background technology
Flourish along with network, also improve relatively for the speed of Network Transmission, the requirement of frequency range, because advantages such as optical fiber has anti-electromagnetic interference (EMI), high-insulativity, volume is little, frequency range significantly increases, therefore be widely used on the formation of the transmission of signal and network, how effectively to improve the quality of optical-fibre communications, become the target that relevant producer makes great efforts, except the quality of optical fiber itself, master, the passive device relevant with fiber optic network also come into one's own day by day, the emphasis that the especially direct ferrule that contacts with fiber cores designs especially.
The existing fiber pipe is mainly formed by ferrule and the socket of optical fiber sleeve, be tight with in the unidirectional or two-way web member by the optical fiber sleeve, and be provided with an axial storage tank in order to the installing fiber cores at the center of ferrule, when ferrule is plugged in the optical fiber sleeve, good because of considering that optical fiber align just can reach the optical-fibre communications quality, so the socket of ferrule and optical fiber sleeve needs complete driving fit, and prevent other foreign matter from entering between optical fiber cover sleeve and avoid influencing communication quality, yet, it is high that ferrule and optical fiber sleeve are made required precision, and when ferrule and the socket of optical fiber sleeve, the extruding because of air often produces air pressure, cause two optical fiber tubes can't driving fit (air gap), also be that ferrule can push air when socket, and between ferrule and the optical fiber sleeve since size too near (in 3 μ) so can't smoothly air be discharged, air is kept somewhere between ferrule and optical fiber sleeve, cause ferrule and the optical fiber sleeve can't fluid-tight engagement, thereby influence the communication quality of optical fiber, at this problem, the ferrule that relevant producer just designs many types improves.
Referring to shown in Figure 1, wherein a solution is to be provided with a through hole 21a on optical fiber sleeve 20a, and when optical fiber sleeve 20a engaged with the ferrule (not shown), air can be got rid of by above-mentioned through hole 21a, yet this design has following defective:
One, optical fiber sleeve 20a is tight with in the unidirectional or two-way web member (not shown), that is to say that this through hole 21a is actually the surface of contact that is subjected to optical fiber sleeve 20a and two-way web member and seals, and the exhaust effect that is produced is not good.
Two, for solving the wear problems that repeats to peg graft, optical fiber sleeve 20a mostly is glass or ceramic material, desires to get out on optical fiber sleeve 20a tube wall a through hole, and the difficulty of processing is very big;
Referring to Fig. 2, second kind of solution is to offer an axial air channel 21b on the tube wall of optical fiber sleeve 20b, inwall and the outer wall of the complete cutting optical fibre sleeve of this air channel 21b 20b can be got rid of air between optical fiber sleeve 20b and the ferrule (not shown) fully by this air channel 21b.But the shortcoming of this invention is the inside and outside wall of the complete cutting optical fibre sleeve of this air channel 21b 20b, optical fiber sleeve 20b structural strength can reduce, may cause damaging because of repeating to peg graft, and friction is easy to generate heat when engaging, optical fiber sleeve 20b distortion can be caused, the purpose that makes ferrule, the driving fit of optical fiber sleeve can't be reached.
Referring to Fig. 3, then be on the inwall of optical fiber sleeve 20c, to be provided with a plurality of projection 21c, the external diameter that circumferential surface just equals ferrule that contacts of this projection 21c and ferrule (not shown), this design can utilize projection 21c to limit several axial exhaust grooves 22c, when ferrule, optical fiber sleeve joint, can reach the effect of exhaust by above-mentioned air discharge duct 22c.The shortcoming of this design is: air discharge duct 22c space is excessive and when too much, causes dust to be entered by air discharge duct 22c easily and influences communication quality; Secondly, for the contact circumferential surface that makes projection 21c is identical with the external diameter of ferrule, must increase the thickness of optical fiber sleeve 20c tube wall, and the size of optical fiber sleeve 20c needs also to increase relatively, also be that this one changes the specific optical fiber tube of essential collocation, will cause the product can't universalness or miniaturization.
In sum, though prior art can solve the problem of exhaust, but still have following common defects:
One, the improvement emphasis of prior art is conceived on the optical fiber sleeve, yet no matter be that through hole or air channel are set, equal effective deaerations or prevent that foreign matter from entering, mainly be because the optical fiber sleeve is to be tight with in the two-way web member, exhaust need be passed through optical fiber sleeve and single, double surface of contact to web member, therefore, the effect of exhaust is limited.
Two, the optical fiber sleeve is generally the hollow cylinder of pottery or glass material, and its tube wall is thinner, therefore, desires on the optical fiber sleeve boring, grooving, establishes recessed, all is difficult to processing.
The utility model content
Fundamental purpose of the present utility model, be to solve above-mentioned defective, avoid the existence of defective, the utility model is to form an air channel on the outer tube wall of ferrule, can get rid of air between ferrule and the optical fiber sleeve by this air channel during socket, and ferrule can utilize direct injection or lapping mode processing and manufacturing, and need not change existing specification, therefore under the prerequisite that realizes degassing function, also can directly popularize and must not make again in existing product specification.
Relevant detailed description of the present utility model and technology contents, existing conjunction with figs. is described as follows.
Description of drawings
Fig. 1 is the stereoscopic synoptic diagram of existing fiber sleeve.
Fig. 2 is the stereoscopic synoptic diagram of existing fiber sleeve.
Fig. 3 is the stereoscopic synoptic diagram of existing fiber sleeve.
Fig. 4 is a stereoscopic synoptic diagram of the present utility model.
Fig. 5 is a diagrammatic cross-section of the present utility model.
Embodiment
Referring to Fig. 4,5, be stereoscopic of the present utility model and diagrammatic cross-section, as shown in the figure: the utility model be by one have storage tank installing fiber cores ferrule 10 and one and the be complementary optical fiber sleeve 20 of winding of aforementioned lights fiber coating pipe constitute.
Wherein, above-mentioned optical fiber sleeve 20 is a hollow cylinder, and limit a disposal area 22 by the tube wall 21 of optical fiber sleeve 20, and the internal diameter of this optical fiber sleeve 20 is the external diameters that correspond to ferrule 10, complete driving fit when guaranteeing optical fiber sleeve 20 with ferrule 10 sockets, and has an axial storage tank 11 in the center of this ferrule 10, this axial storage tank 11 is used to install the fiber cores (not shown), is parallel to the arc air channel 12 of above-mentioned storage tank 11 in addition in the outer wall formation one of this ferrule 10.
When the other end of ferrule 10 storage tanks 11 inserts the disposal area 22 of optical fiber sleeve 20, because optical fiber sleeve 20 mates mutually with the caliber of ferrule 10, therefore, air original in the disposal area 22 will be extruded into end, along with socket increase partly, the air pressure that is extruded also increases gradually, at this moment, the air that is extruded can be got rid of along with air channel 12, the air that can effectively avoid pushing accumulates on disposal area 22 ends and produces air pressure, optical fiber sleeve 20 therefore of the present utility model will can be discharged driving fit fully because of air smoothly with ferrule 10, and will be good to guarantee the optical-fibre communications quality.
Ferrule of the present utility model and optical fiber sleeve 10,20 can be made by materials such as pottery, plastics or glass on making, and air channel 12 generation types can directly utilize ferrule 10 to inject or delineate formation with lapping mode on ferrule 10, for manufacturing firm, cost of manufacture can significantly reduce, and in the use, because air channel 12 only supplies circulation of air, so its required delineation degree of depth is less, therefore also can avoid foreign matter such as dust to enter, thereby guarantee ferrule fully, the communication quality of optical fiber sleeve 10,20.
Claims (4)
1. modified ferrule structure comprises that one has the ferrule and one and the be complementary optical fiber sleeve of winding of described ferrule of storage tank installing fiber cores, it is characterized in that:
Form the air channel of a parallel storage tank on the ferrule outer wall, ferrule grafting optical fiber sleeve also pushes optical fiber sleeve inner air, and the air channel outflow is outside thus to make inner air.
2. modified ferrule structure according to claim 1 is characterized in that this air channel is an arc.
3. modified ferrule structure according to claim 1 is characterized in that this air channel is a rectangle.
4. modified ferrule structure according to claim 1 is characterized in that, this ferrule, optical fiber sleeve can be made by pottery, plastics or glass material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02247411 CN2560960Y (en) | 2002-08-20 | 2002-08-20 | Improved optical fiber casing pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02247411 CN2560960Y (en) | 2002-08-20 | 2002-08-20 | Improved optical fiber casing pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2560960Y true CN2560960Y (en) | 2003-07-16 |
Family
ID=33718309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02247411 Expired - Fee Related CN2560960Y (en) | 2002-08-20 | 2002-08-20 | Improved optical fiber casing pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2560960Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100356218C (en) * | 2004-02-20 | 2007-12-19 | 刘锦濡 | Metal sleeve and its manufacturing method |
| CN114325969A (en) * | 2022-01-06 | 2022-04-12 | 安徽理工大学 | Optical fiber communication protection assembly |
-
2002
- 2002-08-20 CN CN 02247411 patent/CN2560960Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100356218C (en) * | 2004-02-20 | 2007-12-19 | 刘锦濡 | Metal sleeve and its manufacturing method |
| CN114325969A (en) * | 2022-01-06 | 2022-04-12 | 安徽理工大学 | Optical fiber communication protection assembly |
| CN114325969B (en) * | 2022-01-06 | 2024-01-26 | 安徽理工大学 | Optical fiber communication protection assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |