CN203561769U - Optical fiber connector fixing box and optical fiber end face measuring device - Google Patents
Optical fiber connector fixing box and optical fiber end face measuring device Download PDFInfo
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- CN203561769U CN203561769U CN201320636911.4U CN201320636911U CN203561769U CN 203561769 U CN203561769 U CN 203561769U CN 201320636911 U CN201320636911 U CN 201320636911U CN 203561769 U CN203561769 U CN 203561769U
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- joints
- optical fibre
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- spacer
- pilot hole
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 76
- 238000005259 measurement Methods 0.000 claims abstract description 38
- 125000006850 spacer group Chemical group 0.000 claims description 41
- 239000000835 fiber Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 abstract 2
- 230000037431 insertion Effects 0.000 abstract 2
- 238000012360 testing method Methods 0.000 description 12
- 238000005305 interferometry Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000003371 toe Anatomy 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Abstract
The utility model provides an optical fiber connector fixing box and an optical fiber end face measuring device. The optical fiber connector fixing box comprises a locating plate and a locating box fixed on the locating plate; an inner frame sleeve locating hole is arranged on the locating plate and vertical to the locating box; an outer frame sleeve locating hole is arranged on the locating box and vertical to the locating plate, and the outer frame sleeve locating hole is communicated with the inner frame sleeve locating hole. Preferably, both sides of the locating plate are provided with installing guide rails; the locating plate is also provided with an opening communicated with the inner frame sleeve locating hole; a groove is arranged in the joint of the locating box and the locating plate, and the groove is communicated with the outer frame sleeve locating hole and corresponds to the opening in the locating plate, thereby jointly forming a slide rail for an insertion core hole in a clamp of the optical fiber end face measuring device to pass through. According to the optical fiber end face measuring device, in measurement of an optical fiber connector, before the inner frame sleeve is fixed, the outer frame sleeve is fixed, thereby effectively reducing the rotation direction of an insertion core in measurement, so that an accurate measuring result can be obtained in the measuring process, and the accuracy of measurement is improved.
Description
Technical field
The utility model relates to optical detection field, relates in particular to a kind of joints of optical fibre fixed bin and fiber end face measurement mechanism.
Background technology
Optical fiber is as a kind of high-accuracy transmission medium, and its technological requirement is high, also more and more higher to the geometric parameter requirement of end surface of optical fiber connector, so fiber end face interferometry becomes a step must testing in joints of optical fibre production.Yet, in actual measurement, particularly, for the measurement of APC connector, often there is the inaccurate problem of test, producing the inaccurate reason of test is mainly the inaccuracy because of key mapping test bias, wherein key mapping deviation is the axial error of lock pin in connector.Space between the activity having due to connector itself and lock pin tailstock and inside casing cover causes axial location fixing, so fiber end face interferometry meeting causes axial deflection, and then has affected the accuracy of test.
The axial deflection problem that prior art solves interference testing is to adopt the mode of simple outer frame set location or inside casing cover location to realize.Simple fixedly outer frame set has the tolerance issues of size, and test result is inaccurate.And the testing scheme that fixedly inside casing overlaps merely, before fixedly inside casing overlaps, lock pin will touch the structure of clamping lock pin, causes lock pin before fixing, to produce certain rotation, thus the error of causing.Therefore be necessary to provide a kind of joints of optical fibre fixed bin and fiber end face measurement mechanism that can improve the connector axial deflection problem of fiber end face interferometry accuracy.
Utility model content
Feature and advantage of the present utility model are partly statement in the following description, or can describe obviously from this, or can learn by putting into practice the utility model.
In order to overcome the shortcoming of prior art, the utility model provides a kind of joints of optical fibre fixed bin and fiber end face measurement mechanism, can improve the accuracy of fiber end face interferometry.
It is as follows that the utility model solves the problems of the technologies described above adopted technical scheme:
A kind of joints of optical fibre fixed bin is provided, comprises: positioning box and be fixed on the spacer on described positioning box: the vertical described positioning box of described spacer is provided with inside casing cover pilot hole; The vertical described spacer of described positioning box is provided with outer frame set pilot hole, and described outer frame set pilot hole is communicated with described inside casing cover pilot hole.
A kind of joints of optical fibre fixed bin as above is provided, and a side of described inside casing cover pilot hole is provided with elastic card.
A kind of joints of optical fibre fixed bin as above is provided, and the shape of the described inside casing cover shape of pilot hole and the inside casing of joints of optical fibre cover is corresponding; The shape of described outer frame set pilot hole is corresponding with the shape of outer frame set of stating the joints of optical fibre.
A kind of joints of optical fibre fixed bin as above is provided, and described outer frame set pilot hole is provided with locating slot, and the shape of described locating slot is corresponding with the locating piece on described joints of optical fibre outer frame set.
A kind of joints of optical fibre fixed bin as above is provided, and the both sides of described spacer are provided with mounting guide rail; Described spacer is also provided with the opening being communicated with described inside casing cover pilot hole, the junction of described positioning box and described spacer is provided with groove, described groove is communicated with described outer frame set pilot hole, and corresponding with the opening on described spacer, be jointly configured for the slideway passing for the lock pin hole on the fixture of fiber end face measurement mechanism.
For solving the problems of the technologies described above, the utility model also provides a kind of fiber end face measurement mechanism, comprise fixture and joints of optical fibre fixed bin as above, described fixture is provided with lock pin hole, described joints of optical fibre fixed bin is fixed on described fixture, described lock pin hole is corresponding with the position of described inside casing cover pilot hole, for the lock pin of fixed fiberoptic connector.
A kind of fiber end face measurement mechanism as above is provided, and described fixture also comprises fixed head, elastic cantilever and tight lock part: described elastic cantilever one end is connected with described fixed head, and the other end is unsettled, and middle part is provided with the first hole wall; Described fixed head is provided with the second hole wall, and described the second hole wall and described the first hole wall form described lock pin hole; Described tight lock part is connected with described fixed head, is located at the top of the free end of described elastic cantilever, for locking described lock pin hole.
A kind of fiber end face measurement mechanism as above is provided, and described tight lock part comprises lock screw, spanner and sway brace, between described tight lock part and described fixed head, by described sway brace, is connected, and described sway brace is provided with tapped through hole; One end of described lock screw and described spanner are fixed together, and the other end coordinates with the tapped through hole of described sway brace.
A kind of fiber end face measurement mechanism as above is provided, the both sides of described spacer are provided with mounting guide rail, described spacer is also provided with the opening being communicated with described inside casing cover pilot hole, the junction of described positioning box and described spacer is provided with groove, described groove is communicated with described outer frame set pilot hole, and corresponding with the opening on described spacer, jointly be configured for the slideway passing for the lock pin hole on the fixture of fiber end face measurement mechanism, the both sides in described lock pin hole are provided with mounting groove, and the mounting guide rail of described joints of optical fibre fixed bin coordinates with described mounting groove; Or between described spacer and fixture, adopt dismountable fixture to fix.
A kind of fiber end face measurement mechanism as above is provided, and the front of described fixed head is located in described lock pin hole, and described fixture also comprises front end spacer, and described front end spacer is located at the position corresponding with lock pin hole, the described fixed head back side.
Compared with prior art, the joints of optical fibre fixed bin of the utility model embodiment and fiber end face measurement mechanism, on joints of optical fibre fixed bin, be provided with outer frame set pilot hole and inside casing cover pilot hole, during due to measurement, before the inside casing cover of the joints of optical fibre is fixed, just the outer frame set of the joints of optical fibre is fixed, in measurement, effectively reduced the sense of rotation of joints of optical fibre lock pins, thereby can in measuring process, obtain measurement result accurately, improved the accuracy of side amount.Meanwhile, because inside casing cover pilot hole is provided with elastic card, therefore can adapt to the fine dimension difference of the inside casing cover of various different manufacturers, different batches, expand the range of application of joints of optical fibre fixed bins.
By reading instructions, those of ordinary skills will understand feature and the content of these technical schemes better.
Accompanying drawing explanation
Below by describing particularly the utility model with reference to accompanying drawing and in conjunction with example, advantage of the present utility model and implementation will be more obvious, wherein content shown in accompanying drawing is only for explaining to of the present utility model, and do not form the restriction of going up in all senses of the present utility model, in the accompanying drawings:
Fig. 1 is the fixture of fiber end face measurement mechanism and the assembling schematic diagram of joints of optical fibre fixed bin of the utility model embodiment.
Fig. 2-a, Fig. 2-b are the fixture of fiber end face measurement mechanism and the decomposing schematic representation of joints of optical fibre fixed bin of the utility model embodiment.
Fig. 3 is the schematic diagram of the utility model embodiment joints of optical fibre fixed bin fixed fiberoptic connector outer frame set.
Fig. 4 is the schematic diagram of the utility model embodiment joints of optical fibre fixed bin fixed fiberoptic connector inside casing cover.
Embodiment
Refer to Fig. 1, the fiber end face measurement mechanism of an embodiment of the utility model comprises joints of optical fibre fixed bin 10 and fixture 20.
Together refer to Fig. 1, Fig. 2-a and Fig. 2-b, the present embodiment is that example describes for the fixing joints of optical fibre fixed bin of square toes joints of optical fibre SC/APC.
Joints of optical fibre fixed bin 10 comprises positioning box 11 and is fixed on the spacer 12 on this positioning box 11.The width of this positioning box 11 is less than the width of spacer 12, and when positioning box 11 is fixed on spacer 12, the dual-side portion of spacer 12 respectively forms a mounting guide rail.The middle part perpendicular positioning plate 12 of positioning box 11 is provided with the outer frame set pilot hole 111 for fixed fiberoptic connector outer frame set, the shape of this outer frame set pilot hole 111 designs according to the shape of the outer frame set of the joints of optical fibre, and the locating piece on corresponding joints of optical fibre outer frame set is provided with locating slot 112; The junction of one end of positioning box 11 and spacer 12 is provided with the groove of " U " shape, and this groove is communicated with outer frame set pilot hole 111.Spacer 12 perpendicular positioning boxes 11 are provided with inside casing cover pilot hole 121, elastic card 122 and opening.The position of this inside casing cover pilot hole 121 is communicated with outer frame set pilot hole 111, for the inside casing cover of fixed fiberoptic connector; The shape of inside casing cover pilot hole 121 is according to the shape design of the inside casing cover of the joints of optical fibre.This elastic card 122 is located at a side of inside casing cover pilot hole 121, for clamping the inside casing cover of the joints of optical fibre.This outer frame set pilot hole 111 and the inside casing cover pilot hole 121 common fixed orifices that form fixed bin 10.The opening of this spacer is communicated with inside casing cover pilot hole 121, and together form with the groove on positioning box 11 slideway 13 passing through for the lock pin hole on fixture 20, in practical application, as long as slideway 13 can pass through for lock pin hole, the groove of positioning box 11 both can be designed to " U " shape, also can be designed to other shapes.
During assembling, the slideway of joints of optical fibre fixed bin 10 13 is opening down, align with lock pin hole, the mounting guide rail of spacer 12 both sides is inserted in the mounting groove 24 of fixture 20, and the lock pin hole of fixture 20 is corresponding with the inside casing cover pilot hole 121 of joints of optical fibre fixed bin 10, the inside casing cover of the joints of optical fibre is overlapped after elastic card 122 clampings of pilot hole 121 by inside casing, and the lock pin of the joints of optical fibre can insert lock pin hole.
Please continue to refer to Fig. 3 and Fig. 4, when using this fiber end face measurement mechanism to carry out end face interferometry to the joints of optical fibre, first the outer frame set of the joints of optical fibre 31 is inserted in the fixed orifice of positioning box 10.Because the outer frame set pilot hole 111 of fixed orifice is provided with locating slot 112, when outer frame set 31 inserts outer frame set pilot hole 111,312 of locating pieces on outer frame set 31 are placed in locating slot 112, thereby can prevent that outer frame set 31 from axial-rotations occurring.Because inside casing cover pilot hole 121 places of fixed orifice are provided with elastic card 122, when the inside casing cover 32 of the joints of optical fibre inserts inside casings cover pilot hole 121, inside casing cover 32 is fixing by elastic card 122 clampings, can prevent that inside casing cover 32 from axial-rotations occurring.When the end contact of the lock pin 33 of the joints of optical fibre is during to front end spacer 25, rotary spanner 232, drives lock screw 231 locking lock pin holes, thus the lock pin 33 of the locking joints of optical fibre.During due to measurement, before the inside casing cover of the joints of optical fibre is fixing, just the outer frame set of the joints of optical fibre is fixed, in measurement, effectively reduced the sense of rotation of lock pin, thereby can in measuring process, obtain measurement result accurately, improved the accuracy of side amount.Because inside casing overlaps pilot hole 121, have elastic card 122 in addition, thereby can adapt to the fine dimension difference of the inside casing cover of various different manufacturers, different batches, expanded the range of application of joints of optical fibre fixed bins.
The fiber end face measurement mechanism of the present embodiment, through test, has very high lifting to stability and the repeatability measured, and the connector of various tolerances is had to extraordinary test effect.After the analysis through measuring system R & R, the assay value of test can reach below 25%, and the extreme difference of key mapping deviation can be controlled at 0.06.
It should be noted that above-described embodiment is only that example is illustrated for the fixing fixed bin of square toes joints of optical fibre SC/APC, during practical application, as long as the shape of the outer frame set pilot hole of joints of optical fibre fixed bin or inside casing cover pilot hole is changed accordingly, according to the shape of the outer frame set of the joints of optical fibre and inside casing cover, design, just can be applicable on the joints of optical fibre of other shapes.And, between spacer and fixture, also can adopt dismountable fixture to fix (as screw or bolt etc.), now without on joints of optical fibre fixed bin, slideway being set again.
Joints of optical fibre fixed bin of the present utility model and fiber end face measurement mechanism, on positioning box, be provided with outer frame set pilot hole and inside casing cover pilot hole, during due to test, before joints of optical fibre inside casing cover is fixing, just the outer frame set of the joints of optical fibre is fixed, in measurement, effectively reduce the sense of rotation of lock pin, thereby can in measuring process, obtain measurement result accurately, improved the accuracy of side amount.Meanwhile, because inside casing cover pilot hole is provided with elastic card, therefore can adapt to the fine dimension difference of the inside casing cover of various different manufacturers, different batches, expand the range of application of joints of optical fibre fixed bins.
With reference to the accompanying drawings of preferred embodiment of the present utility model, those skilled in the art do not depart from scope of the present utility model and essence above, can have multiple flexible program to realize the utility model.For example, the feature that illustrates or describe as the part of an embodiment can be used for another embodiment to obtain another embodiment.These are only the better feasible embodiment of the utility model, not thereby limit to interest field of the present utility model, the equivalence that all utilization the utility model instructionss and accompanying drawing content are done changes, within being all contained in interest field of the present utility model.
Claims (10)
1. a joints of optical fibre fixed bin, is characterized in that, comprises spacer and is fixed on the positioning box on described spacer:
On described spacer, vertical described positioning box is provided with inside casing cover pilot hole;
On described positioning box, vertical described spacer is provided with outer frame set pilot hole, and described outer frame set pilot hole is communicated with described inside casing cover pilot hole.
2. joints of optical fibre fixed bin as claimed in claim 1, is characterized in that, a side of described inside casing cover pilot hole is provided with elastic card.
3. joints of optical fibre fixed bin as claimed in claim 1, is characterized in that, the shape of the described inside casing cover shape of pilot hole and the inside casing of joints of optical fibre cover is corresponding; The shape of described outer frame set pilot hole is corresponding with the shape of outer frame set of stating the joints of optical fibre.
4. joints of optical fibre fixed bin as claimed in claim 1, is characterized in that, described outer frame set pilot hole is provided with locating slot, and the shape of described locating slot is corresponding with the locating piece on described joints of optical fibre outer frame set.
5. joints of optical fibre fixed bin as claimed in claim 1, is characterized in that,
The both sides of described spacer are provided with mounting guide rail;
Described spacer is also provided with the opening being communicated with described inside casing cover pilot hole;
The junction of described positioning box and described spacer is provided with groove, and described groove is communicated with described outer frame set pilot hole, and corresponding with the opening on described spacer, is jointly configured for the slideway passing for the lock pin hole on the fixture of fiber end face measurement mechanism.
6. a fiber end face measurement mechanism, it is characterized in that, comprise fixture and the joints of optical fibre fixed bin as described in claim 1 to 5 any one, described joints of optical fibre fixed bin is fixed on described fixture, described fixture is provided with lock pin hole, described lock pin hole is corresponding with the position of described inside casing cover pilot hole, for the lock pin of fixed fiberoptic connector.
7. fiber end face measurement mechanism as claimed in claim 6, is characterized in that, described fixture also comprises fixed head, elastic cantilever and tight lock part:
Described elastic cantilever one end is connected with described fixed head, and the other end is unsettled, and middle part is provided with the first hole wall;
Described fixed head is provided with the second hole wall, and described the second hole wall and described the first hole wall form described lock pin hole;
Described tight lock part is connected with described fixed head, is located at the top of the free end of described elastic cantilever, for locking described lock pin hole.
8. fiber end face measurement mechanism as claimed in claim 7, is characterized in that, described tight lock part comprises lock screw, spanner and sway brace, between described tight lock part and described fixed head, by described sway brace, is connected, and described sway brace is provided with tapped through hole; One end of described lock screw and described spanner are fixed together, and the other end coordinates with the tapped through hole of described sway brace.
9. fiber end face measurement mechanism as claimed in claim 6, is characterized in that,
The both sides of described spacer are provided with mounting guide rail, described spacer is also provided with the opening being communicated with described inside casing cover pilot hole, the junction of described positioning box and described spacer is provided with groove, described groove is communicated with described outer frame set pilot hole, and corresponding with the opening on described spacer, jointly be configured for the slideway passing for the lock pin hole on the fixture of fiber end face measurement mechanism, the both sides in described lock pin hole are provided with mounting groove, and the mounting guide rail of described joints of optical fibre fixed bin coordinates with described mounting groove; Or
Between described spacer and fixture, adopt dismountable fixture to fix.
10. fiber end face measurement mechanism as claimed in claim 9, it is characterized in that, the front of described fixed head is located in described lock pin hole, and described fixture also comprises front end spacer, and described front end spacer is located at the position corresponding with described lock pin hole, the described fixed head back side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320636911.4U CN203561769U (en) | 2013-10-15 | 2013-10-15 | Optical fiber connector fixing box and optical fiber end face measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320636911.4U CN203561769U (en) | 2013-10-15 | 2013-10-15 | Optical fiber connector fixing box and optical fiber end face measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN203561769U true CN203561769U (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320636911.4U Expired - Lifetime CN203561769U (en) | 2013-10-15 | 2013-10-15 | Optical fiber connector fixing box and optical fiber end face measuring device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236861A (en) * | 2014-09-25 | 2014-12-24 | 浙江大学 | Fiber end face interferometer clamping and judging device on basis of color discrimination |
| CN104898208A (en) * | 2015-06-29 | 2015-09-09 | 周其 | Fiber connector clamping device |
| CN104932062A (en) * | 2015-06-29 | 2015-09-23 | 周其 | Optical fiber connector clamping device |
| CN104932063A (en) * | 2015-06-29 | 2015-09-23 | 周其 | Optical fiber connector clamping and rotating device |
| CN109719647A (en) * | 2019-01-24 | 2019-05-07 | 深圳市维度科技有限公司 | A kind of optical fiber connector lock pin clamping device |
-
2013
- 2013-10-15 CN CN201320636911.4U patent/CN203561769U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236861A (en) * | 2014-09-25 | 2014-12-24 | 浙江大学 | Fiber end face interferometer clamping and judging device on basis of color discrimination |
| CN104898208A (en) * | 2015-06-29 | 2015-09-09 | 周其 | Fiber connector clamping device |
| CN104932062A (en) * | 2015-06-29 | 2015-09-23 | 周其 | Optical fiber connector clamping device |
| CN104932063A (en) * | 2015-06-29 | 2015-09-23 | 周其 | Optical fiber connector clamping and rotating device |
| CN104932063B (en) * | 2015-06-29 | 2016-08-24 | 周其 | A kind of joints of optical fibre device for clamping and rotating |
| CN109719647A (en) * | 2019-01-24 | 2019-05-07 | 深圳市维度科技有限公司 | A kind of optical fiber connector lock pin clamping device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 room 603, building 2, Chongwen Park, Nanshan Zhiyuan, No. 3370 Liuxian Avenue, Fuguang community, Taoyuan Street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Dimension Technology Co.,Ltd. Address before: 518055 north, 3rd floor, minlida Industrial Park, honghualing Industrial Zone, Xili Liuxian Avenue, Nanshan District, Shenzhen City, Guangdong Province Patentee before: DIMENSION TECHNOLOGY CO.,LTD. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |