CN202339195U - Improved center instrument fixture structure for detection of lens center deviating angles - Google Patents
Improved center instrument fixture structure for detection of lens center deviating angles Download PDFInfo
- Publication number
- CN202339195U CN202339195U CN2011204653155U CN201120465315U CN202339195U CN 202339195 U CN202339195 U CN 202339195U CN 2011204653155 U CN2011204653155 U CN 2011204653155U CN 201120465315 U CN201120465315 U CN 201120465315U CN 202339195 U CN202339195 U CN 202339195U
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- China
- Prior art keywords
- center instrument
- center
- lens
- overcoat
- detection
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- 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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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a center instrument fixture, which is used in detection of lens center deviating angles and characterized by comprising an inner sleeve and an outer sleeve. The inner sleeve and the outer sleeve are fixedly connected in interference fit mode, the inner sleeve is made of polypformaldehyde, the upper end face of the inner sleeve is a smooth arc face, and the upper end port of the outer sleeve is horizontal and has no chamfer. When a spherical surface part is arranged in the fixture, the lower surface of the part is contacted with the upper end face of the inner sleeve, so that the error caused by uneven chamfer is eliminated, and measuring is more accurate.
Description
Technical field
The utility model discloses a kind of center instrument jig, be used for the centering error of lens angular detection.
Background technology
In the processing and testing process of lens, need the correct centering error of lens angle of judging.Usually lens all have the protectiveness chamfering; When detecting centering error of lens lens chamfering precision there is very high requirement with traditional jig; Especially particularly outstanding to the part of diameter≤15mm, because traditional jig is to be supporting surface with the fillet surface, though protected the smooth finish of part lower surface on the one hand; But also introduced simultaneously owing to the uneven error that causes of chamfering, making can not correct measurement centering error of lens angle when detecting.
Summary of the invention
The purpose of the utility model provides a kind of center instrument jig of avoiding introducing the chamfering error, has overcome the deficiency of traditional jig.
The center instrument jig of the utility model, cover and overcoat in it comprises, said interior cover is fixedly connected with overcoat.
The center instrument jig of the utility model, wherein said interior cover is processed by the match steel.
The center instrument jig of the utility model, putting end face in wherein said is arc surface, and smooth, the smooth finish of protection part lower surface.
The center instrument jig of the utility model, wherein said interior cover adopts interference fit to be connected with overcoat, and promptly overcoat tightly surrounds interior cover, makes it fixed.
The center instrument jig of the utility model, wherein said outer casing inner wall is smooth, no burr.
The center instrument jig of the utility model, wherein said overcoat port level, no chamfering.
The center instrument jig of utility model because when spherical parts is placed on jig in the time, the lower surface of part with in put end face and contact, got rid of the error that causes owing to the chamfering inequality, make measurement more accurate.
Description of drawings
Fig. 1 is the cross-sectional view of the utility model
Fig. 2 is the vertical view of the utility model
Fig. 3 is the diagrammatic cross-section of the utility model embodiment
Fig. 4 is the diagrammatic cross-section of traditional jig
Embodiment
As shown in the figure: 1 is overcoat, and 2 is interior cover, and cover 2 in overcoat 1 tightly surrounds makes it fixed, and interior cover 2 upper surfaces are arc surface, and smooth.Overcoat 1 port level, no chamfering, and inner wall smooth, no burr makes things convenient for part to rotate.What dotted line was represented is part 3.
During use, part 3 is put into manufactured jig upper end, part 3 lower surfaces contact with interior cover 2, and the side contacts with the inwall of overcoat 1, and rotating part can the centering center.
Claims (5)
1. improvement center instrument jig structure that is used for the centering error of lens angular detection is characterized in that: cover and overcoat in it comprises, said in cover be fixedly connected with overcoat.
2. a kind of improvement center instrument jig structure that is used for the centering error of lens angular detection according to claim 1 is characterized in that said interior cover adopts interference fit to be connected with overcoat.
3. a kind of improvement center instrument jig structure that is used for the centering error of lens angular detection according to claim 1 and 2, it is characterized in that said in the cover by the match just process.
4. a kind of improvement center instrument jig structure that is used for the centering error of lens angular detection according to claim 1 and 2 is characterized in that putting end face in described is smooth arc surface.
5. a kind of improvement center instrument jig structure that is used for the centering error of lens angular detection according to claim 1 and 2 is characterized in that described overcoat port is horizontal, no chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204653155U CN202339195U (en) | 2011-11-22 | 2011-11-22 | Improved center instrument fixture structure for detection of lens center deviating angles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204653155U CN202339195U (en) | 2011-11-22 | 2011-11-22 | Improved center instrument fixture structure for detection of lens center deviating angles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202339195U true CN202339195U (en) | 2012-07-18 |
Family
ID=46487886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204653155U Expired - Lifetime CN202339195U (en) | 2011-11-22 | 2011-11-22 | Improved center instrument fixture structure for detection of lens center deviating angles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202339195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020094160A1 (en) * | 2018-11-05 | 2020-05-14 | 茂莱（南京）仪器有限公司 | Microlens centering instrument |
-
2011
- 2011-11-22 CN CN2011204653155U patent/CN202339195U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020094160A1 (en) * | 2018-11-05 | 2020-05-14 | 茂莱（南京）仪器有限公司 | Microlens centering instrument |
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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: 20120718 |