CN202885718U - Apparatus for measuring camber of lens - Google Patents
Apparatus for measuring camber of lens Download PDFInfo
- Publication number
- CN202885718U CN202885718U CN 201220535089 CN201220535089U CN202885718U CN 202885718 U CN202885718 U CN 202885718U CN 201220535089 CN201220535089 CN 201220535089 CN 201220535089 U CN201220535089 U CN 201220535089U CN 202885718 U CN202885718 U CN 202885718U
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- China
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- hole
- revolving
- revolving bed
- wall section
- eyeglass
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses an apparatus for measuring camber of a lens. The apparatus comprises a length measuring mechanism and a measuring tool. The length measuring mechanism includes a fixed portion, a measuring rod that can move relatively to the fixed portion, and a display portion that is arranged on the fixed portion and can display moving distances of the measuring rod. The measuring tool includes a revolving stand which has a revolving cavity and a revolving outer wall. The revolving stand is provided with a first through hole that penetrates axially and is communicated with the revolving cavity. The fixed portion is fixed on the revolving stand. The measuring rod movably passes through the first through hole and extends into the revolving cavity. During measuring operation, the lens is placed close to the revolving cavity (a convex spherical surface) or the revolving outer wall (a concave spherical surface) of the revolving stand in a fit manner, such that an h value is measured. The lens is positioned through the revolving cavity or the revolving outer wall, so that the h value and an r value are high in measurement precision, a camber R value is high in accuracy, and the degree of the measured lens is high in accuracy.
Description
Technical field
The utility model relates to a kind of eyeglass camber measurement mechanism.
Background technology
Existing a kind of eyeglass camber measurement mechanism is please referred to Fig. 1, comprises clock gauge 10 ', is installed with the backstay 11 ' at two intervals under this clock gauge 10 ', and this two backstays symmetry is positioned at the gauge rod 12 ' both sides of clock gauge.During measurement, when two backstays were abutted against eyeglass 30 ' surface, gauge rod can be movable, and graduation apparatus can show gauge rod moving interval h.As shown in Figure 1, camber R=(h
2+ r
2)/2h, because only by the end location eyeglass 30 ' of two backstays, the value of h and r is prone to deviation, camber R value degree of accuracy is poor, the measured eyeglass number of degrees are accurately not high.
The utility model content
The utility model provides a kind of eyeglass camber measurement mechanism, and it has overcome the existing deficiency of a kind of eyeglass camber measurement mechanism in the background technology.
The technical scheme that adopts that the utility model solves its technical matters is:
A kind of eyeglass camber measurement mechanism comprises linear measure longimetry mechanism and measures the smelting tool; This linear measure longimetry mechanism has the display part that gauge rod and that a fixed part, can the relatively fixed part activity is installed in fixed part and can shows gauge rod operating range or camber; This measurement smelting tool comprises revolving bed, and this revolving bed has single-revolution inner chamber and single-revolution outer wall, and this revolving bed is established the first through hole that an axis runs through and connect the revolution inner chamber; This fixed part is packed in revolving bed, and this gauge rod activity is passed the first through hole and put in the revolution inner chamber.
Among one preferred embodiment: this linear measure longimetry mechanism is clock gauge, and this display part is graduation apparatus.
Among one preferred embodiment: this revolving bed comprises that a sphere wall section and is by the cylindrical wall section of sphere wall section lower periphery to downward-extension.
Among one preferred embodiment: be installed with a solid seat on this revolving bed, this solid seat is established the second through hole, and this first through hole and the second through hole are coaxial; This fixed part comprises an outer tube, and this gauge rod can be positioned at outer tube in relative sliding ground; Adaptive insertion the second through hole of this outer tube and the first through hole, other establishes lock-connection structure interlocking outer tube and solid seat.
Among one preferred embodiment: this sphere wall section is established the inside and outside through hole that runs through of a plurality of annular display arrangement.
Among one preferred embodiment: the interior surface of revolution of this revolution inner chamber is made as shiny surface.
Among one preferred embodiment: the external cylindrical surface of this cylindrical wall section is made as shiny surface.
The technical program is compared with background technology, and it has following advantage:
When 1, measuring, with adaptive revolution inner chamber (protruding sphere) or the revolution outer wall (being arranged with sphere) that abuts against revolving bed of eyeglass, measure the h value with this, owing to be by revolution inner chamber or revolution outer wall location eyeglass, therefore h and r value measuring accuracy are high, camber R value degree of accuracy is high, and the measured eyeglass number of degrees are accurately high.
2, revolving bed comprises sphere wall section and cylindrical wall section, is convenient to measure the camber of protruding sphere, is convenient to measure the camber that is arranged with sphere.
3, adaptive insertion the second through hole of outer tube and the first through hole, other establishes lock-connection structure interlocking outer tube and solid seat, the attaching fast and easy, precision is high.
4, the interior surface of revolution of revolution inner chamber is made as shiny surface, and the external cylindrical surface of cylindrical wall section is made as shiny surface, and precision is high.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 has illustrated the synoptic diagram of the measurement mechanism measurement camber of background technology.
Fig. 2 has illustrated the schematic perspective view of the measurement mechanism of a preferred embodiment.
The measurement mechanism that Fig. 3 has illustrated a preferred embodiment is measured the partial schematic diagram of protruding sphere.
The measurement mechanism measurement that Fig. 4 has illustrated a preferred embodiment is arranged with the partial schematic diagram of sphere.
Embodiment
Please refer to Fig. 2, Fig. 3 and Fig. 4, a kind of eyeglass camber measurement mechanism comprises linear measure longimetry mechanism 10 and measures smelting tool 20.
This linear measure longimetry mechanism 10 is clock gauge, but and as limit, as required, also can select other measuring mechanism.This linear measure longimetry mechanism 10 has the graduation apparatus 12 that gauge rod 11 and that a fixed part, can the relatively fixed part activity is installed in fixed part and can shows gauge rod 11 operating ranges, establish gear train between the scale of this graduation apparatus and gauge rod, rotate so that gauge rod can drive scale when movable, and then demonstrate gauge rod 11 operating ranges at graduation apparatus.Among the present embodiment, this fixed part comprises an outer tube 13, and this gauge rod 11 can be positioned at outer tube 13 in relative sliding ground.
This measurement smelting tool 20 comprises revolving bed, and this revolving bed has single-revolution inner chamber 21 and single-revolution outer wall 22, and this revolving bed 20 is divided into a sphere wall section 23 and by the cylindrical wall section 24 of sphere wall section 23 lower periphery to downward-extension.This revolving bed 20 is established the first through hole that an axis runs through and connect the revolution inner chamber.Be installed with a solid seat 25 on this revolving bed, this solid seat 25 is established the second through hole, and this first through hole and the second through hole are coaxial.Among the present embodiment, this sphere wall section 23 is established the inside and outside through hole 26 that runs through of a plurality of annular display arrangement.
Among the present embodiment, the interior surface of revolution of this revolution inner chamber 21 is made as shiny surface, and the external cylindrical surface of this cylindrical wall section 24 is made as shiny surface.
Please refer to Fig. 3, during measurement, protruding eyeglass is abutted against the revolution inner chamber 21 of revolving bed, this moment, gauge rod 11 can be movable, and graduation apparatus 12 can show the moving interval h of gauge rods 11.With reference to background technology computing method, camber R=(h
2+ r
2)/2h, r are the internal diameter of cylindrical wall section 24.
Please refer to Fig. 4, during measurement, will be arranged with eyeglass and abut against the revolution outer wall of cylindrical wall section 24, this moment, gauge rod 11 can be movable, and graduation apparatus 12 can show the moving interval h of gauge rods 11.With reference to background technology computing method, camber R=(h
2+ r
2)/2h, r are the internal diameter of cylindrical wall section 24.
As required, change graduation apparatus into display unit, other establishes chip, and input r value is calculated R by chip and also directly shown by display unit.
The above, it only is the utility model preferred embodiment, so can not limit according to this scope that the utility model is implemented, the equivalence of namely doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (7)
1. an eyeglass camber measurement mechanism is characterized in that: comprise linear measure longimetry mechanism and measure the smelting tool; This linear measure longimetry mechanism has the display part that gauge rod and that a fixed part, can the relatively fixed part activity is installed in fixed part and can shows gauge rod operating range or camber; This measurement smelting tool comprises revolving bed, and this revolving bed has single-revolution inner chamber and single-revolution outer wall, and this revolving bed is established the first through hole that an axis runs through and connect the revolution inner chamber; This fixed part is packed in revolving bed, and this gauge rod activity is passed the first through hole and put in the revolution inner chamber.
2. a kind of eyeglass camber measurement mechanism according to claim 1, it is characterized in that: this linear measure longimetry mechanism is clock gauge, this display part is graduation apparatus.
3. a kind of eyeglass camber measurement mechanism according to claim 1, it is characterized in that: this revolving bed comprises that a sphere wall section and is by the cylindrical wall section of sphere wall section lower periphery to downward-extension.
4. according to claim 1 and 2 or 3 described a kind of eyeglass camber measurement mechanisms, it is characterized in that: be installed with a solid seat on this revolving bed, this solid seat is established the second through hole, and this first through hole and the second through hole are coaxial; This fixed part comprises an outer tube, and this gauge rod can be positioned at outer tube in relative sliding ground; Adaptive insertion the second through hole of this outer tube and the first through hole, other establishes lock-connection structure interlocking outer tube and solid seat.
5. a kind of eyeglass camber measurement mechanism according to claim 3 is characterized in that: this sphere wall section is established the running through inside and outside through hole of a plurality of annular display arrangement.
6. according to claim 1 and 2 or 3 described a kind of eyeglass camber measurement mechanisms, it is characterized in that: the interior surface of revolution of this revolution inner chamber is made as shiny surface.
7. a kind of eyeglass camber measurement mechanism according to claim 3, it is characterized in that: the external cylindrical surface of this cylindrical wall section is made as shiny surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220535089 CN202885718U (en) | 2012-10-18 | 2012-10-18 | Apparatus for measuring camber of lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220535089 CN202885718U (en) | 2012-10-18 | 2012-10-18 | Apparatus for measuring camber of lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202885718U true CN202885718U (en) | 2013-04-17 |
Family
ID=48077139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220535089 Expired - Lifetime CN202885718U (en) | 2012-10-18 | 2012-10-18 | Apparatus for measuring camber of lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202885718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743312A (en) * | 2012-10-18 | 2014-04-23 | 瑞之路(厦门)眼镜科技有限公司 | Measuring device of arc height of eyeglass |
-
2012
- 2012-10-18 CN CN 201220535089 patent/CN202885718U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743312A (en) * | 2012-10-18 | 2014-04-23 | 瑞之路(厦门)眼镜科技有限公司 | Measuring device of arc height of eyeglass |
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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 |
Granted publication date: 20130417 |
|
| CX01 | Expiry of patent term |