CN201979398U - Insert grinding clamp for optical fiber connector - Google Patents
Insert grinding clamp for optical fiber connector Download PDFInfo
- Publication number
- CN201979398U CN201979398U CN2011200203366U CN201120020336U CN201979398U CN 201979398 U CN201979398 U CN 201979398U CN 2011200203366 U CN2011200203366 U CN 2011200203366U CN 201120020336 U CN201120020336 U CN 201120020336U CN 201979398 U CN201979398 U CN 201979398U
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- CN
- China
- Prior art keywords
- pressing plate
- lock pin
- joints
- optical fibre
- grinding clamp
- 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 - Lifetime
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Abstract
The utility model relates to an insert grinding clamp for an optical fiber connector, which comprises a clamp body (10) and a pressing plate (20), wherein an insert positioning hole (30) is formed between the clamp body (10) and the pressing plate (20), the fixed end (21) of the pressing plate (20) is integrated with the clamp body (10), the open end (22) of the pressing plate (20) is connected with the clamp body (10) through a fastening piece (70). After the technical scheme is adopted, as the pressing plate is fixed with the clamp body and the pressing plate works in a stressed state, for the stress point of the pressing plate, a fixing structure is formed through the supporting, so that the stress point is like the free end of a cantilever beam, and is highly resilient and restorable. Therefore, the grinding clamp is highly deformation resistant, thus improving the grinding quality of the optical fiber insert and ensuring the accuracy of the workpiece.
Description
Technical field
The utility model relates to anchor clamps, particularly is used for the anchor clamps of optical fiber lapping.
Background technology
Being used for the anchor clamps that joints of optical fibre lock pin grinds in the prior art, two types (as Fig. 1 and Fig. 2) are generally arranged, all is that pressing plate is what to be separated with chuck body, adopts fixedly centering compacted form (as shown in Figure 1) of screw.The anchor clamps of this split are convenient to processing, also can reduce die manufacturing cost.But, this split anchor clamps in use also exist some problems, especially for pressing plate, because this pressing plate tightens fixing by middle bolt and clamp body, two ends, the left and right sides are in free state, after the long-term use of pressing plate, cause pressing plate distortion itself easily, after the pressing plate distortion, the center line that is sandwiched in the fiber stub between chuck body groove and the pressing plate is departed from, fiber stub after the grinding, the center line of the center line of its round end and fiber stub cylinder part can not coincide, and off-set phenomenon takes place.And loose mail is in vacant state in the above, and slight swing is arranged in the process of lapping, also can cause fiber stub cylinder and center line off-set phenomenon.The fiber stub of this off-centre is used for the joints of optical fibre, will cause two sections optical fiber contrapositions of connection inaccurate, has influence on the transmission efficiency of light.
Another kind is to place lock pin (as shown in Figure 2) in the middle of adopting, and adds the spring pressure bar structure with screw rod.The anchor clamps of this split are convenient to processing, reduce the Mould Machining cost.But there is the gap in this anchor clamps between ceramic insertion core and the anchor clamps hole when pressed fiber connector loose mail, lock pin is in little mobile status in the process of lapping, fiber stub after the grinding, the center line of the center line of its round end and joints of optical fibre lock pin cylinder can not coincide, and off-set phenomenon takes place.The joints of optical fibre lock pin of this off-centre is used for the joints of optical fibre, also can cause two sections optical fiber contrapositions of connection inaccurate, influences the transmission efficiency of light.
Summary of the invention
The utility model provides a kind of optical fiber lapping anchor clamps, adopts the fixing method in two ends, improves the position stability in the process of lapping, solves the technical problem that departs from easily in the prior art.
The utility model comprises chuck body and connected pressing plate for a kind of joints of optical fibre lock pin grinding clamp that provides is provided, and is provided with the lock pin locating hole between described chuck body and the pressing plate; Described lock pin locating hole is located at the middle part of pressing plate, and described pressing plate is connected with chuck body respectively in lock pin locating hole both sides.
Further improvement of the utility model is: described pressing plate is divided into stiff end and openend, the stiff end of described pressing plate and chuck body are one, the openend of described pressing plate is by securing member jockey body, and the stiff end of described pressing plate and chuck body junction are provided with the elasticity circular hole.
Of the present utility model further the improvement again is: the two ends of described pressing plate are connected with chuck body by securing member respectively, and described securing member is a bolt.
Of the present utility model further the improvement again is: the side of described chuck body and pressing plate is provided with groove around the lock pin locating hole, described groove is circle, triangle or polygon groove, described groove is that section has stair-stepping groove, and described lock pin locating hole is circle, triangle, semicircle or polygon.
After the utility model adopts technique scheme, because pressing plate fixes with chuck body, under pressing plate itself is worked stress, this supports concerning the pressing plate stress point, formed fixed structure, made stress point be similar to free end in the cantilever beam, made it have higher elasticity and recovery capability.So this grinding clamp has higher anti-deformation, also just improved the quality that fiber stub grinds, guaranteed the precision of workpiece.
Description of drawings
Fig. 1 prior art adopts the anchor clamps schematic diagram of one-bolt fastening structure;
Fig. 2 prior art adopts the anchor clamps schematic diagram of spring and depression bar structure;
Fig. 3 is that the utility model adopts incorporate anchor clamps schematic diagram;
Fig. 4 is the schematic diagram that the utility model adopts integrated and elasticity circular hole;
Fig. 5 is that the utility model adopts the fixing schematic diagram that reaches rectangular recess of bolts at two ends;
Fig. 6 is that the utility model adopts welding pressing plate and the fixing schematic diagram of bolts at two ends;
Fig. 7 is that the utility model adopts circular step groove and with the schematic diagram of draw-in groove;
Fig. 8 is the schematic diagram of the integrated and rectangular recess of the utility model;
Fig. 9 is the schematic diagram that the utility model adopts welding pressing plate and rectangular recess.
The specific embodiment
In conjunction with above-mentioned description of drawings specific embodiment of the utility model.
By among Fig. 3 to Fig. 9 as can be known, this joints of optical fibre lock pin grinding clamp comprises chuck body 10 and connected pressing plate 20, is provided with lock pin locating hole 30 between described chuck body 10 and the pressing plate 20; Described lock pin locating hole 30 is located at the middle part of pressing plate 20, and described pressing plate 20 is connected with chuck body 10 respectively in lock pin locating hole 30 both sides.Under clamp working-station, the middle part of pressing plate two ends and chuck body tightens fixing, certainly will make this part produce distortion, because the end and the chuck body of pressing plate are fixed, make the middle force part of pressing plate form cantilever beam structures or be similar to cantilever beam structures, pressing plate has formed a kind of bending shape.At this moment, pressing plate has produced the rigidity restoring force, and when completion of processing was unclamped bolt, this rigidity restoring force made pressing plate recover reset condition, has also just restrained distortion.
By among Fig. 3, Fig. 4, Fig. 7 to Fig. 9 as can be known, described pressing plate 20 is divided into stiff end 21 and openend 22, the stiff end 21 and the chuck body 10 of described pressing plate 20 is one, the openend 22 of described pressing plate 20 is by securing member 70 jockey bodies 10, and the stiff end 21 and chuck body 10 junctions of described pressing plate 20 are provided with elasticity circular hole 40.The utility model adopts integral production body and pressing plate, and good integrity is easy to operate, and elasticity circular hole 40 not only can avoid the stress of both junctions to concentrate, and the crack prolongs, and, can also increase the rigidity of pressing plate, avoid producing distortion.
By among Fig. 5 and Fig. 6 as can be known, the two ends of described pressing plate 20 are connected with chuck body 10 by securing member 70 respectively, described securing member 70 is a bolt.This programme center platen two ends are by bolting, and the processing of the anchor clamps of this scheme is fairly simple, and can change pressing plate or body, and is both economical.Bolt connects about adopting being connected between pressing plate 20 and the chuck body 10, one processing or adopt method such as welding.
By among Fig. 3 to Fig. 9 as can be known, the side of described chuck body 10 and pressing plate 20 is provided with groove 50 around lock pin locating hole 30, described groove 50 is circle, triangle or polygon groove, described groove 50 is stair-stepping groove for section has, and the sidewall of described groove 50 is provided with the draw-in groove 60 of depression.Groove 50 in the utility model location that is used for matching with ceramic sleeve or other external components of lock pin N, especially for and the connector that assembled annex, when grinding lock pin M, need other servicing units to help the location, can further improve the accuracy of location.
By among Fig. 3 to Fig. 9 as can be known, described lock pin locating hole 30 is circle, triangle, semicircle or polygon.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a joints of optical fibre lock pin grinding clamp comprises chuck body (10) and connected pressing plate (20), is provided with lock pin locating hole (30) between described chuck body (10) and the pressing plate (20); It is characterized in that: described lock pin locating hole (30) is located at the middle part of pressing plate (20), and described pressing plate (20) is connected with chuck body (10) respectively in lock pin locating hole (30) both sides.
2. joints of optical fibre lock pin grinding clamp according to claim 1, it is characterized in that: described pressing plate (20) is divided into stiff end (21) and openend (22), the stiff end (21) of described pressing plate (20) and chuck body (10) are one, and the openend (22) of described pressing plate (20) is by securing member (70) jockey body (10).
3. joints of optical fibre lock pin grinding clamp according to claim 2 is characterized in that: the stiff end (21) of described pressing plate (20) is provided with elasticity circular hole (40) with chuck body (10) junction.
4. joints of optical fibre lock pin grinding clamp according to claim 1 is characterized in that: the two ends of described pressing plate (20) are connected with chuck body (10) by securing member (70) respectively.
5. according to each described joints of optical fibre lock pin grinding clamp in the claim 2 to 4, it is characterized in that: described securing member (70) is a bolt.
6. according to each described joints of optical fibre lock pin grinding clamp in the claim 1 to 4, it is characterized in that: the side of described chuck body (10) and pressing plate (20) is provided with groove (50) around lock pin locating hole (30).
7. joints of optical fibre lock pin grinding clamp according to claim 6 is characterized in that: described groove (50) is circle, triangle or polygon groove.
8. joints of optical fibre lock pin grinding clamp according to claim 6 is characterized in that: described groove (50) is stair-stepping groove for section has.
9. according to each described joints of optical fibre lock pin grinding clamp in the claim 1 to 4, it is characterized in that: described lock pin locating hole (30) is circle, triangle, semicircle or polygon.
10. joints of optical fibre lock pin grinding clamp according to claim 6 is characterized in that: the sidewall of described groove (50) is provided with the draw-in groove (60) of depression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200203366U CN201979398U (en) | 2011-01-21 | 2011-01-21 | Insert grinding clamp for optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200203366U CN201979398U (en) | 2011-01-21 | 2011-01-21 | Insert grinding clamp for optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201979398U true CN201979398U (en) | 2011-09-21 |
Family
ID=44606866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200203366U Expired - Lifetime CN201979398U (en) | 2011-01-21 | 2011-01-21 | Insert grinding clamp for optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201979398U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756329A (en) * | 2012-07-17 | 2012-10-31 | 深圳日海通讯技术股份有限公司 | Inserting core grinding clamp for optical fiber movable connector as well as grinding device |
| CN111819032A (en) * | 2018-03-06 | 2020-10-23 | Ntt尖端技术株式会社 | Optical connector grinding clamp |
-
2011
- 2011-01-21 CN CN2011200203366U patent/CN201979398U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756329A (en) * | 2012-07-17 | 2012-10-31 | 深圳日海通讯技术股份有限公司 | Inserting core grinding clamp for optical fiber movable connector as well as grinding device |
| CN102756329B (en) * | 2012-07-17 | 2015-07-29 | 深圳日海通讯技术股份有限公司 | Fiber active linker insert grinding clamp and lapping device |
| CN111819032A (en) * | 2018-03-06 | 2020-10-23 | Ntt尖端技术株式会社 | Optical connector grinding clamp |
| CN111819032B (en) * | 2018-03-06 | 2021-10-08 | Ntt尖端技术株式会社 | Optical connector grinding clamp |
| US11602820B2 (en) | 2018-03-06 | 2023-03-14 | Ntt Advanced Technology Corporation | Optical connector polishing jig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110921 |