CN203758725U - Lens-meter for determining optical center position of convex lens - Google Patents
Lens-meter for determining optical center position of convex lens Download PDFInfo
- Publication number
- CN203758725U CN203758725U CN201420124220.0U CN201420124220U CN203758725U CN 203758725 U CN203758725 U CN 203758725U CN 201420124220 U CN201420124220 U CN 201420124220U CN 203758725 U CN203758725 U CN 203758725U
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- China
- Prior art keywords
- lens
- lensmeter
- screw rod
- convex lens
- meter
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- Expired - Fee Related
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Abstract
The utility model relates to a lens-meter for determining optical center position of a convex lens, comprising a lens-meter body. A base of the lens-meter body is provided with a through hole, where internal screw threads are disposed. One end of a vertical screw rod traverses through the through hole, and the other end is fixedly connected to a supporting seat. The lens-meter body is provided with a bubble level meter. A push plate of the lens-meter body is provided with an arc-shaped groove, where a second screw rod is disposed. The second screw rod is provided with a set nut. One end of an L-shaped connecting rod is inserted into the arc-shaped groove and is fixedly connected to the second screw rod, and the other end is connected to a square support. The center of the square support is superposed with the center of a lens seat of the lens-meter body. The square support is evenly provided with four positioning columns for supporting the convex lens, and the positioning column is provided with lens rubber. The lens-meter for determining optical center position of a convex lens is advantageous in that the problem of a conventional lens-meter that the film of the lens will be damaged when the surface of a convex lens is clamped can be resolved.
Description
Technical field
The utility model relates to glasses device field, specifically relates to a kind of for determining the lensmeter of convex lens optical centre position.
Background technology
Lens has number of different types, and convex lens are wherein a kind of, while being usually used in long sight and presbyopia people group configuration glasses, use.Before configuration glasses, need first with lensmeter, to determine the optical centre of convex lens.
Now the normal lensmeter using exists a lot of not enough: (1) lensmeter base is surface level, can steadily be positioned on table surface.But the level of lensmeter relies on the level of table surface, and himself cannot keep level.In actual use, there is certain gradient in the table top of a lot of worktable, and focal power is counted precision optical instrument, and long-time slant setting can significantly reduce the serviceable life of lensmeter.(2) lensmeter, when detecting the optical centre of convex lens, need to hand-heldly pinch upper surface and the lower surface at convex lens edge and it is moved above eyeglass seat, observes the image of lensmeter screen simultaneously.When the mobile cursor of lensmeter screen overlaps with setting cursor, under tapper, be the optical centre of convex lens, be now that available tapper is got central point on convex lens.But get ready in process, hand meeting slight jitter, causes the central point of getting not overlap with actual optical centre.(3) although existing lensmeter carries bikini eyeglass fixator, need to coordinate with eyeglass seat in the middle of convex lens are clamped in, so bikini eyeglass fixator often can leave cut in upper lens surface, cause the damage of eyeglass rete.
Meanwhile, convex lens are different from concavees lens, thick centered by convex lens, and the structure of thin edge, if use radially clamping device, usually can collapse limit because of the excessive convex lens that cause of holding force, causes eyeglass to use.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of for determining the lensmeter of convex lens optical centre position.
The utility model adopts following technical proposals:
A kind of for determining the lensmeter of convex lens optical centre position, comprise lensmeter body, on the base of described lensmeter body, be provided with 4 through holes, in through hole, be provided with internal thread, for regulating vertical screw one end of lensmeter body height to pass through hole, the other end is fixedly connected with supporting seat; On described lensmeter body, be provided with air-bubble level; On the pushing plate of described lensmeter body, be provided with circular groove, be provided with the second screw rod in circular groove, the upper end of the second screw rod is positioned at circular groove outside, is also provided with setscrew nut on the second screw rod; One end of L-type connecting link is inserted circular groove and is fixedly connected with the second screw rod, and the other end is connected with square rack; The center superposition of the eyeglass seat of the center of described positive square support and lensmeter body, the upper of square rack is evenly provided with 4 for the reference column of support lenticular, is provided with eyeglass glue on reference column.
Preferably, the length of side of described square rack is 35cm-40cm.
Preferably, on the shell of described lensmeter body, be provided with louvre.
The beneficial effects of the utility model are: (1) can Real Time Observation and adjusted the levelness of lensmeter body.Lensmeter body is positioned on worktable, by the position of bubble in eye-level bubble instrument, adjusts the height of corresponding vertical rod, guarantee the real-time level of lensmeter.(2) the press-down type clamping device of traditional lensmeter is changed to brace type device, thereby avoided the damage to upper lens surface rete.During use, eyeglass is put down gently on eyeglass glue, then according to the prompting of mobile cursor, mobile convex lens all around.When the vertical range of convex lens and eyeglass seat causes more greatly lensmeter to find optical centre, regulate setscrew nut, the second screw rod is moved down, convex lens, near eyeglass seat, can be determined optical centre, carry out mark.
Accompanying drawing explanation
Fig. 1 is structural drawing of the present utility model;
Fig. 2 is the cooperation figure of square rack in the utility model;
Fig. 3 pushes the structural drawing of version in the utility model;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the upward view of Fig. 1;
Wherein: 1, lensmeter body, 2, pushing plate, 3, eyeglass glue, 4, reference column, 5, eyeglass seat, 6, louvre, 7, vertical screw, 8, supporting seat, 9, horizontal bubble instrument, 10, square rack, 11, L-type connecting link, the 12, second screw rod, 13, setscrew nut, 14, circular groove.
Embodiment
Embodiment 1: a kind of for determining the lensmeter of convex lens optical centre position, its structure is as Figure 1-5: comprise lensmeter body 1, on the base of described lensmeter body 1, be provided with 4 through holes, in through hole, be provided with internal thread, for regulating vertical screw 7 one end of lensmeter body 1 height to pass through hole, the other end is fixedly connected with supporting seat 8; On described lensmeter body 1, be provided with air-bubble level 9; On the pushing plate 2 of described lensmeter body 1, be provided with circular groove 14, the upper end that is provided with the second screw rod 12, the second screw rods 12 in circular groove 14 is positioned at circular groove 14 outsides, on the second screw rod 12, is also provided with setscrew nut 13; One end of L-type connecting link 11 is inserted circular groove 14 and is fixedly connected with the second screw rod 12, and the other end is connected with square rack 10; The center superposition of the eyeglass seat 5 of described positive square support 10 center and lensmeter body 1, the upper of square rack 10 is evenly provided with 4 for the reference column 4 of support lenticular, is provided with eyeglass glue 3 on reference column 4; The length of side of described square rack 10 is 35cm; On the shell of described lensmeter body 1, be provided with louvre 6.
Scheme of the present utility model can Real Time Observation and is adjusted the levelness of lensmeter body 1.Lensmeter body 1 is positioned on worktable, by the position of bubble in eye-level bubble instrument 9, adjusts the height of corresponding vertical rod 7, and then guarantee the real-time level of lensmeter body 1.
The press-down type clamping device of traditional lensmeter is changed to brace type device, thereby avoided the damage to upper lens surface rete.During use, eyeglass is put down gently on eyeglass glue 3, then according to the prompting of mobile cursor, mobile convex lens all around.Eyeglass glue is quality of rubber materials, when convex lens slide, can not leave cut in the above.When the vertical range of convex lens and eyeglass seat 5 causes more greatly lensmeter to find optical centre, regulate setscrew nut 13, the second screw rod 12 is moved down, convex lens, near eyeglass seat 5, can be determined optical centre, carry out mark.
The diameter of at present conventional convex lens mostly is 70mm, in convex lens, connects foursquare monolateral being about as 49.49cm.The monolateral length of square rack 10 of the present utility model is 35cm, and convex lens orthogonal projection can cover square rack 10 completely, and therefore, square rack 10 can provide excellent support to convex lens.
Before mark optical centre, convex lens are supported by eyeglass glue 3, can not slide, and have therefore avoided because hand shake causes not COINCIDENCE PROBLEMS of the central point got and actual optical centre.
Embodiment 2: a kind of for determining the lensmeter of convex lens optical centre position, its structure still as Figure 1-5: the places different from embodiment 1 are: the length of side of described square rack 10 is 40cm.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (3)
1. one kind for determining the lensmeter of convex lens optical centre position, comprise lensmeter body, it is characterized in that: on the base of described lensmeter body, be provided with 4 through holes, in through hole, be provided with internal thread, for regulating vertical screw one end of lensmeter body height to pass through hole, the other end is fixedly connected with supporting seat; On described lensmeter body, be provided with air-bubble level; On the pushing plate of described lensmeter body, be provided with circular groove, be provided with the second screw rod in circular groove, the upper end of the second screw rod is positioned at circular groove outside, is also provided with setscrew nut on the second screw rod; One end of L-type connecting link is inserted circular groove and is fixedly connected with the second screw rod, and the other end is connected with square rack; The center superposition of the eyeglass seat of the center of described positive square support and lensmeter body, the upper of square rack is evenly provided with 4 for the reference column of support lenticular, is provided with eyeglass glue on reference column.
2. lensmeter according to claim 1, is characterized in that: the length of side of described square rack is 35cm-40cm.
3. lensmeter according to claim 1, is characterized in that: on the shell of described lensmeter body, be provided with louvre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420124220.0U CN203758725U (en) | 2014-03-19 | 2014-03-19 | Lens-meter for determining optical center position of convex lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420124220.0U CN203758725U (en) | 2014-03-19 | 2014-03-19 | Lens-meter for determining optical center position of convex lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203758725U true CN203758725U (en) | 2014-08-06 |
Family
ID=51253981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420124220.0U Expired - Fee Related CN203758725U (en) | 2014-03-19 | 2014-03-19 | Lens-meter for determining optical center position of convex lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203758725U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356410A (en) * | 2017-07-19 | 2017-11-17 | 芜湖市奥尔特光电科技有限公司 | A kind of lift video display focal power meter |
| CN107389314A (en) * | 2017-07-19 | 2017-11-24 | 芜湖市奥尔特光电科技有限公司 | A kind of digital display lensometer |
| CN109342029A (en) * | 2018-11-25 | 2019-02-15 | 丹阳市雷登智能科技有限公司 | A kind of lens parameters contactless detection device and method |
| CN109342030A (en) * | 2018-11-25 | 2019-02-15 | 丹阳市雷登智能科技有限公司 | A kind of lens parameters contact-type detection and method |
-
2014
- 2014-03-19 CN CN201420124220.0U patent/CN203758725U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356410A (en) * | 2017-07-19 | 2017-11-17 | 芜湖市奥尔特光电科技有限公司 | A kind of lift video display focal power meter |
| CN107389314A (en) * | 2017-07-19 | 2017-11-24 | 芜湖市奥尔特光电科技有限公司 | A kind of digital display lensometer |
| CN109342029A (en) * | 2018-11-25 | 2019-02-15 | 丹阳市雷登智能科技有限公司 | A kind of lens parameters contactless detection device and method |
| CN109342030A (en) * | 2018-11-25 | 2019-02-15 | 丹阳市雷登智能科技有限公司 | A kind of lens parameters contact-type detection and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20170319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |