CN1571305A - Optical fibre connecting device - Google Patents
Optical fibre connecting device Download PDFInfo
- Publication number
- CN1571305A CN1571305A CNA031787436A CN03178743A CN1571305A CN 1571305 A CN1571305 A CN 1571305A CN A031787436 A CNA031787436 A CN A031787436A CN 03178743 A CN03178743 A CN 03178743A CN 1571305 A CN1571305 A CN 1571305A
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- optical fiber
- clasp
- iron piece
- shell
- splicing device
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Abstract
The invention is an optical-fiber connector, adding an opened channel at the part for its top iron piece to interlink its bottom iron piece, compressing the opened channel as the bottom iron piece interlinks with the top one, using the compression quality of the iron piece to make the top iron piece holding and fixing residual optical-fiber segment, or optical fiber inside as well as ouch
Description
Technical field
The present invention relates to a kind of optical communication assembly, particularly relate to a kind of optical fiber splicing device.
Background technology
Along with computer a large amount of popularize and the fast development of network technology, network and people's life has more and more closely gets in touch.Utilize network not only can obtain data or online service apace, and the progress of mechanics of communication also make the demand of communication frequency range increase along with the increase of data transmission capacity.Optical-fibre communications has the characteristic of high volume of transmitted data, therefore is considered to the rising star of communication field.
Yet it is to be solved that optical-fibre communications still has many problems to have, for example expensive, problems such as high precision requirement.The employed assembly of optical-fibre communications needs very high precision, but this also means the cost of manufacture that needs are higher.Because the size of the fine nuclear of multimode fiber (core) is approximately 10 μ m, the size of the long and slender nuclear of single-mode optics is then littler, therefore, just seems very important in order to the precision of the optical fiber connector that connect optical fiber and another optical module.
The optical fiber connector are made up of several assemblies, if wherein the precision of assembly is not good, for example the concentrically ringed out of roundness (roundness) of each assembly is not good, be easy to make the position of optical fiber in the optical fiber connector to produce skew, can't receive or launch the light signal effectively to another optical module, thereby cause the loss of light transmitting-receiving.The assembly that at present general car spare factory is produced, its out of roundness is generally not good, and about 20%, this yield to the optical fiber connector causes very big influence to fraction defective usually.
In addition, in the operating position of individual or company of family commerce, the steadiness of connector (reliability) is especially important.Because in the family or the employed LAN of company, different with general professional machine room, do not have special professional or strict instructions for use to safeguard,, make its designed position change in connector originally so the user pulls optical fiber possibly when plug or changing-over optical fiber voluntarily.If connector is not designed the steadiness problem that will bring optical fiber can't correctly locate especially in connector.
Summary of the invention
The purpose of this invention is to provide a kind of optical fiber splicing device, especially a kind of optical fiber splicing device that can reduce manufacturing cost and can strengthen its steadiness.
The invention provides a kind of optical fiber splicing device, it is used for gripping an optical fiber component.This optical fiber splicing device comprises that one has second shell and the clasp that first shell, of vacant channels in first has vacant channels in second.This second shell is socketed on this in first among the vacant channels by an abutting end, and an end of this clasp is socketed on this in second among the vacant channels, and its other end is arranged among this first vacant channels.This second shell comprises a profile groove, this profile groove is disposed at the abutting end of this second shell and is parallel to the axis direction of this vacant channels in second in fact, this this second shell of first shell socket utilizes this profile groove of compression to come this clasp of close-fitting and grip this optical fiber component.
Utilize optical fiber splicing device of the present invention, can consider the out of roundness of each assembly fully, only note that each inter-module gets final product in order to the size design of socket combination.So, can avoid the processing precise degree of ironware and influence the assembling yield, cause the unit price of product to improve.Optical fiber splicing device of the present invention is as long as control each inter-module interference engagement (interference fit) degree can make the optical fiber that is installed in wherein obtain good location.When external optical fiber plugs back and forth, can't influence the steadiness of its fiber position on this optical fiber splicing device.That is to say optical fiber splicing device of the present invention can not produce displacement or aim at when optical fiber plugs problem.
Description of drawings
Fig. 1 is the schematic appearance that illustrates a preferred embodiment of the present invention;
Fig. 2 is the three-dimensional exploded view that illustrates Fig. 1;
Fig. 3 is the schematic appearance that illustrates the upper iron piece of Fig. 1;
Fig. 4 is the schematic appearance that illustrates the residual optical-fiber segment of Fig. 1;
Fig. 5 is the schematic appearance that illustrates the clasp of Fig. 1;
Fig. 6 is the schematic appearance that illustrates the lower iron piece of Fig. 1;
Fig. 7 is the schematic appearance that illustrates groove;
Fig. 8 is the schematic appearance that illustrates groove;
Fig. 9 is the schematic appearance that illustrates groove;
Figure 10 is the schematic appearance that illustrates groove;
Figure 11 is the schematic appearance that illustrates another preferred embodiment of the present invention;
Figure 12 is the three-dimensional exploded view that illustrates Figure 11;
Figure 13 is the schematic appearance that illustrates the upper iron piece of Figure 11;
Figure 14 is the schematic appearance that illustrates the optical fiber of Figure 11;
Figure 15 is the schematic appearance that illustrates the clasp of Figure 11;
Figure 16 is the schematic appearance that illustrates the lower iron piece of Figure 11.
Embodiment
The present invention adds a profile groove at the position that the upper iron piece of optical fiber splicing device is used for being socketed on the lower iron piece, compresses this profile groove when making lower iron piece socket upper iron piece, utilizes the amount of ironware compression, makes upper iron piece grip wherein residual optical-fiber segment or optical fiber and clasp.Utilize the design of this profile groove to reach this optical fiber splicing device and do not need comprehensive car spare precision design, also have the ability of positioning optical waveguides.
Fig. 1 is the schematic appearance that illustrates a preferred embodiment of the present invention, and Fig. 2 is the three-dimensional exploded view that illustrates the preferred embodiment of Fig. 1.In this preferred embodiment, optical fiber splicing device 100 of the present invention comprises upper iron piece 102 and lower iron piece 108, this upper iron piece 102 and lower iron piece 108 are formed the shell of this optical fiber splicing device 100, and this enclosure coats a clasp 106 Hes from outside to inside] residual optical-fiber segment 104.
The position of this lower iron piece 108 of socket offers a profile groove 111 on this upper iron piece 102, in the time of within upper iron piece 102 is socketed on lower iron piece 108, lower iron piece 108 can compress upper iron piece 102, make upper iron piece 102 clamp clasp 106 and residual optical-fiber segment 104 toward in, and then close-fitting fixedly clasp 106 and the relative position of residual optical-fiber segment 104 in optical fiber splicing device 100.
See also Fig. 3 to Fig. 6, it is respectively the schematic appearance of upper iron piece 102, residual optical-fiber segment 104, clasp 106 and lower iron piece 108 among Fig. 2.This upper iron piece 102 is a tubular structure, and it has vacant channels 252 in, and this profile groove 111 is positioned at upper iron piece 102 and is used for the position of socket lower iron piece 108.The material of upper iron piece 102 is a plastic material, for example metal etc.Residual optical-fiber segment 104 is made up of a protecting sheathing (not label) and an optical fiber (figure does not show) institute.This optical fiber is a bit of optical fiber, has a length-specific, and this length-specific is shorter than the total length after upper iron piece 102 is assembled with lower iron piece 108.The material of this protecting sheathing is a ceramic material, and has a tubulose channel among the protecting sheathing, and above-mentioned a bit of optical fiber then utilizes glue bond among the tubulose channel.
In this embodiment, clasp 106 presents a C type, and it has vacant channels 256 in, and its material is plastic material or ceramic material, and plastic material can be plastics or metal etc., and in another preferred embodiment, clasp 106 also can be an O type.Lower iron piece 108 is a tubular structure, has vacant channels 258 in, for this upper iron piece 102 of socket.The material of lower iron piece 108 is a plastic material, for example metal etc.
Another feature of the present invention is the size design of above-mentioned each inter-module, the optical fiber that utilizes special size design of the present invention to make to be installed in the optical fiber splicing device obtains better location, below in conjunction with Fig. 3 to Fig. 6 this size design is described in detail.
Please refer to Fig. 3 and Fig. 6, at first, can closely be sticked among the lower iron piece 108 in order to make upper iron piece 102, in the present invention, the diameter dimension φ of the middle vacant channels 258 in the lower iron piece 108
6Must be less than the external profile diameter size φ of upper iron piece 102
1So, when upper iron piece 102 is socketed within the middle vacant channels 258 of lower iron piece 108, must compress and make ironware 102 to produce deformation earlier, utilize upper iron piece 102 to be compressed the oppositely power of expansion of back, make between upper iron piece 102 and the lower iron piece 108 closely to be fastened togather.
And this profile groove 111 is exactly to provide a headspace when upper iron piece 102 compressions, and the deformation that is produced when utilizing this headspace to avoid upper iron piece 102 to be compressed has influence on the residual optical-fiber segment 104 of portion and the accurate location of clasp 106 within it.Because out of roundness was not good when each assembly was made in car spare factory, and sizable error is all arranged usually,,, tend to have influence on the location of its inner other assembly in case then upper iron piece 102 produces deformation therefore if lack the deformation quantity that this profile groove 111 holds upper iron piece 102.
From the above, the width R of profile groove 111
1Must be designed to greater than or equal the dimension difference of outer rim girth 202 with the girth 208 of the middle vacant channels 258 of lower iron piece 108 of upper iron piece 102 at least, it should be noted that this outer rim girth 202 comprises the width R of profile groove 111
1So profile groove 111 just has enough big headspace (width R
1) deformation quantity that produced when holding among the middle vacant channels 258 that upper iron piece 102 is socketed on lower iron piece 108.
Please refer to Fig. 3 and Fig. 5, clasp 106 is generally one and has elasticity and can inside and outside expansion or the device that tightens, and it places between residual optical-fiber segment 104 and the upper iron piece 102, and both can more closely be fixed together by clasp 106.Therefore, in the present embodiment, the inner edge diameter dimension φ of upper iron piece 102
2Be external profile diameter size φ more than or equal to clasp 106
5, make upper iron piece 102 can coat clasp 106.
Yet, in another preferred embodiment, the inner edge diameter dimension φ of upper iron piece 102
2Also can be less than the external profile diameter size φ of clasp 106
5,, therefore can more closely be compressed among the middle vacant channels 252 that is fixed in upper iron piece 102 because clasp 106 is one to have elasticity and can inside and outside expansion or the device that tightens.
In addition, in this embodiment, when clasp 106 was a C type clasp, C type clasp had a gap 117, in the present invention's design, and the width R of this gap 117
2Optimum value must greater than or equal at least in vacant channels 252 except that profile groove 111 inner edge girth 212 and the dimension difference between the C type outer rim girth 206 of clasp 106, it should be noted that this inner edge girth 212 does not comprise the width R of profile groove 111
1So, when upper iron piece 102 is compressed and when tightening clasp 106 indirectly, the buffering when gap 117 just can provide enough amounts to be used as tightening overlaps because tighten mutually with the C type two ends of avoiding clasp 106, cause the location that is positioned at its intraware to change.
Please refer to Fig. 4, the diameter dimension φ of this residual optical-fiber segment 104
3Be inner edge diameter dimension φ more than or equal to clasp 106
4, when making residual optical-fiber segment 104 among inserting clasp 106, can strut rubber-like clasp 106.So, because clasp 106 inside that contact with upper iron piece 102 are coating residual optical-fiber segment 104, so clasp 106 can be closely more fixing with upper iron piece 102 by the support of optical fiber stump 104.
Fig. 7 to Figure 10 is the external form schematic diagram that illustrates profile groove 111 of the present invention.Profile groove 111 of the present invention is in order to a headspace to be provided, when making upper iron piece 102 by lower iron piece 108 sockets, can to compress profile groove 111 and but not influence its inner precision.The external form of profile groove 111 can be Any shape, and is as long as the usefulness of a headspace for compression can be provided, extremely shown in Figure 10 as Fig. 7, its shape is except being the long strip type 112, also can be a triangle 113, or be a T font 114, or be an irregular shape 115.
Figure 11 is the schematic appearance that illustrates another preferred embodiment of the present invention, and Figure 12 is the three-dimensional exploded view that illustrates the preferred embodiment of Figure 11.This preferred embodiment is different with embodiment among Fig. 1 and Fig. 2, does not comprise the residual optical-fiber segment 104 among Fig. 2.The shell of optical fiber splicing device 400 is made up of upper iron piece 402 and lower iron piece 408, and its inside only coats a clasp 406.After an optical fiber inserts optical fiber splicing device 400, can directly be exposed to outside the input of optical fiber splicing device 400, need not shown in the embodiment of Fig. 2, must be abutted against on residual optical-fiber segment 104.
The present invention is that the position in order to socket lower iron piece 408 adds a profile groove 411 on upper iron piece 402, in the time of within upper iron piece 402 is socketed on lower iron piece 408, lower iron piece 408 can compress upper iron piece 402, make upper iron piece 402 clamp clasp 406 toward in, and then the fixing relative position of clasp 406 in optic fibre fixing device 400 of close-fitting.
Figure 13,15 and 16 is respectively the schematic appearance of upper iron piece 402, clasp 406 and lower iron piece 408 among Figure 12, and Figure 14 then is the schematic appearance of the optical fiber 405 of this optical fiber splicing device 400 of use.Upper iron piece 402 is a tubular structure, has vacant channels 552 in, and profile groove 411 of the present invention is to be positioned at the position that upper iron piece 402 is used for socket lower iron piece 408.Lower iron piece 408 is a tubular structure, has vacant channels 558 in, for the above-mentioned upper iron piece 402 of socket.In addition, this lower iron piece 408 also has the guiding structural that enters clasp 406 in order to guide optic fibre.In this embodiment, clasp 406 is a C type clasp, has vacant channels 556 in; In another preferred embodiment, clasp 406 also can be an O type clasp.
Another feature of the present invention is the size design of above-mentioned each inter-module, utilize special size design of the present invention to make to be installed in optical fiber to connect the optical fiber 405 that tipping puts in 400 and obtain better location, below cooperate Figure 13 to Figure 16 that this size design is described in detail.
Please refer to Figure 13 and Figure 16, at first, can closely be sticked among the lower iron piece 408 in order to make upper iron piece 402, in the present invention, the diameter dimension φ of the middle vacant channels 558 of lower iron piece 408
6' must be less than the external profile diameter size φ of upper iron piece 402
1'.So, when upper iron piece 402 is socketed within the middle vacant channels 558 of lower iron piece 408, must compress and make ironware 402 to produce deformation earlier, utilize upper iron piece 402 to be compressed the oppositely power of expansion of back, make between upper iron piece 402 and the lower iron piece 408 closely to be fastened togather.
And profile groove 411 of the present invention is exactly to provide a headspace when upper iron piece 402 compressions, and the deformation that is produced when utilizing this headspace to avoid upper iron piece 402 to be compressed has influence on the accurate location of the clasp 406 of portion within it.Because out of roundness was not good when each assembly was made in car spare factory, and sizable error is all arranged usually,,, tend to have influence on the location of its inner other assembly in case then upper iron piece 402 produces deformation therefore if lack the deformation quantity that this profile groove 411 holds upper iron piece 402.
From the above, the width R of profile groove 411
1' must be designed to greater than or equal the dimension difference of outer rim girth 502 with the girth 508 of the middle vacant channels 558 of lower iron piece 408 of upper iron piece 402 at least, it should be noted that this outer rim girth 502 comprises the width R of profile groove 411
1'.So profile groove 411 just has enough big headspace (width R
1') deformation quantity that produced when holding among the middle vacant channels 558 that upper iron piece 402 is socketed on lower iron piece 408.
Please refer to Figure 13 and Figure 15, clasp 406 is generally one and has elasticity and can inside and outside expansion or the device that tightens, places between optical fiber 405 and the upper iron piece 402, and both can more closely be fixed together by clasp 406.Therefore, in the present embodiment, the inner edge diameter dimension φ of upper iron piece 402
2' be external profile diameter size φ more than or equal to clasp 406
5', make upper iron piece 402 can coat clasp 406.
Yet, in another preferred embodiment, the inner edge diameter dimension φ of upper iron piece 402
2' also can be less than the external profile diameter size φ of clasp 406
5', because clasp 406 is one to have elasticity and can inside and outside expansion or the device that tightens, therefore can more closely be compressed among the middle vacant channels 552 that is fixed in upper iron piece 402.
In addition, in this embodiment, when clasp 406 was a C type clasp, C type clasp had a gap 417, in the present invention's design, and the width R of this gap 417
2' optimum value must greater than or equal at least in vacant channels 552 except that profile groove 411 inner edge girth 512 and the C type outer rim girth 506 of clasp 406 between dimension difference, it should be noted that this inner edge girth 512 does not comprise the width R of profile groove 411
1'.So, when upper iron piece 402 is compressed and when tightening clasp 406 indirectly, the buffering when gap 417 just can provide enough amounts to be used as tightening overlaps because tighten mutually with the C type two ends of avoiding clasp 406, cause the location that is positioned at its intraware to change.
Please refer to Figure 14, the diameter dimension φ of optical fiber 405
3' be inner edge diameter dimension φ more than or equal to clasp 406
4', when making optical fiber 405 among inserting clasp 406, can strut rubber-like clasp 406.So, because clasp 406 inside that contact with upper iron piece 402 are coating optical fiber 405, so clasp 406 can be closely more fixing with upper iron piece 402 by the support of optical fiber 405.In addition, the other parts of present embodiment, as material of each assembly etc., all with the embodiment of Fig. 1 in mentioned identical.And to shown in Figure 10, the outward appearance of profile groove 411 also can be Any shape as Fig. 7, as long as a headspace using for compression can be provided.
Feature of the present invention is one to be positioned at the profile groove on the upper iron piece, utilizes this profile groove to make optical fiber splicing device can keep its inner concentricity when assembling.And another feature of the present invention is the size design of each assembly, when assembling, therefore upper iron piece can be compressed by lower iron piece, utilize the strength of this contraction that residual optical-fiber segment and clasp are suffered restraints, with the expansion variation of control clasp and fix residual optical-fiber segment and the relative position of clasp in optical fiber splicing device.Wherein, profile groove of the present invention is used to provide a suitable compression headspace, make the deformation that is caused of upper iron piece compression can not influence its inner concentricity, improve the existing fiber jockey causes light transmitting-receiving loss because of the out of roundness of intraware is not good problem.
The assembled length of this optical fiber splicing device and wherein the position of residual optical-fiber segment all can make it meet international multi-source agreement (multi source agreement, MSA) standard according to required design adjustment.When external optical fiber plugs back and forth, can't influence the steadiness of its fiber position on this optical fiber splicing device.That is to say optical fiber splicing device of the present invention can not produce displacement or aim at when optical fiber plugs problem.And the present invention is that (transmitter-optical subassembly, main spare part TOSA) have high-stability, increase the finished product yield and save manufacture cost and other advantages for emission light secondary module in the optical communication.
Further, utilize optical fiber splicing device of the present invention, can consider the out of roundness of each assembly fully, only note that each inter-module is used for the size design of socket combination and gets final product.So, can avoid the processing precise degree of ironware and influence the assembling yield, cause the unit price of product to improve.Optical fiber splicing device of the present invention is as long as control each inter-module interference engagement (interference fit) degree can make the optical fiber that is installed in wherein obtain good location.
Claims (10)
1, a kind of optical fiber splicing device, be used for gripping an optical fiber component, it comprises that one has first shell of vacant channels in first, one has second shell and a clasp of vacant channels in second, this second shell is socketed on this in first among the vacant channels by an abutting end, one end of this clasp is socketed on this in second among the vacant channels, its other end is arranged among this first vacant channels, it is characterized in that: this second shell comprises a profile groove, this profile groove is disposed at the abutting end of this second shell and is parallel to the axis direction of this vacant channels in second in fact, this this second shell of first shell socket utilizes this profile groove of compression to come this clasp of close-fitting and grip this optical fiber component.
2, optical fiber splicing device according to claim 1, it is characterized in that: the width of this profile groove is the difference more than or equal to the girth of vacant channels in the outer rim girth of this abutting end and this first, compresses this second shell with headspace when the socket for this first shell.
3, optical fiber splicing device according to claim 1 is characterized in that: this profile groove be shaped as a strip, a triangle, a T font or an irregular shape.
4, optical fiber splicing device according to claim 1 is characterized in that: the diameter dimension of this vacant channels in first is less than the external profile diameter size of this abutting end.
5, optical fiber splicing device according to claim 1 is characterized in that: the inner edge diameter dimension of this abutting end is more than or equal to the external profile diameter size of this clasp.
6, optical fiber splicing device according to claim 1; it is characterized in that: this optical fiber splicing device also comprises a residual optical-fiber segment that is positioned among this clasp; this residual optical-fiber segment comprises the optical fiber and a protecting sheathing of a length-specific at least; this optical fiber is positioned among this protecting sheathing; and this length-specific is less than the total length after first shell and the assembling of second shell; when making this this second shell of first shell socket, utilize this profile groove of compression to grip the position of this residual optical-fiber segment with this clasp of close-fitting.
7, optical fiber splicing device according to claim 6 is characterized in that: the diameter dimension of this optical fiber component is greater than the inner edge diameter dimension of this clasp, makes this optical fiber component strut this clasp and fixes this clasp in this in second among the vacant channels with close-fitting.
8, optical fiber splicing device according to claim 1 is characterized in that: this clasp is an O type clasp or a C type clasp.
9, optical fiber splicing device according to claim 8 is characterized in that: this C type clasp has a gap, and the width in this gap is more than or equal to this inner edge girth of vacant channels except that this profile groove and the difference of the C type outer rim girth of this C type clasp in second.
10, optical fiber splicing device according to claim 1 is characterized in that: this optical fiber component is an optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031787436A CN1312864C (en) | 2003-07-16 | 2003-07-16 | Optical fibre connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031787436A CN1312864C (en) | 2003-07-16 | 2003-07-16 | Optical fibre connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1571305A true CN1571305A (en) | 2005-01-26 |
| CN1312864C CN1312864C (en) | 2007-04-25 |
Family
ID=34472838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031787436A Expired - Fee Related CN1312864C (en) | 2003-07-16 | 2003-07-16 | Optical fibre connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1312864C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149646A (en) * | 2013-03-19 | 2013-06-12 | 上海宽岱电讯科技发展有限公司 | Pre-burying type quick connector for loosely-shielded optical cable |
| CN104932062A (en) * | 2015-06-29 | 2015-09-23 | 周其 | Optical fiber connector clamping device |
| CN106646765A (en) * | 2017-01-13 | 2017-05-10 | 焦作永安建筑劳务有限公司 | Butt joint device for optical cables and butt joint method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4921325A (en) * | 1987-12-25 | 1990-05-01 | Mitsubishi Cable Industries, Ltd. | Connector for optical fiber ribbon and a method of attaching the same |
| CN2185445Y (en) * | 1994-01-27 | 1994-12-14 | 李学文 | Optical fibre connector |
| US5796897A (en) * | 1997-02-06 | 1998-08-18 | Wave Optics, Inc. | Universal adaptor for keyed fiberoptic connectors |
-
2003
- 2003-07-16 CN CNB031787436A patent/CN1312864C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149646A (en) * | 2013-03-19 | 2013-06-12 | 上海宽岱电讯科技发展有限公司 | Pre-burying type quick connector for loosely-shielded optical cable |
| CN104932062A (en) * | 2015-06-29 | 2015-09-23 | 周其 | Optical fiber connector clamping device |
| CN106646765A (en) * | 2017-01-13 | 2017-05-10 | 焦作永安建筑劳务有限公司 | Butt joint device for optical cables and butt joint method |
| CN106646765B (en) * | 2017-01-13 | 2018-07-31 | 焦作永安建筑劳务有限公司 | Optical cable docking facilities and interconnection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1312864C (en) | 2007-04-25 |
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