CN2715176Y - Automatic focusing mechanism for lens - Google Patents
Automatic focusing mechanism for lens Download PDFInfo
- Publication number
- CN2715176Y CN2715176Y CN 200420067090 CN200420067090U CN2715176Y CN 2715176 Y CN2715176 Y CN 2715176Y CN 200420067090 CN200420067090 CN 200420067090 CN 200420067090 U CN200420067090 U CN 200420067090U CN 2715176 Y CN2715176 Y CN 2715176Y
- Authority
- CN
- China
- Prior art keywords
- shell body
- camera lens
- axis hole
- automatic focusing
- base
- 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 - Fee Related
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Abstract
The utility model discloses an automatic focusing mechanism for a lens, which contains an outer casing. The two corresponding sides of the outer casing are fixedly provided with a coil curl and a seal cap respectively, and a movable lens which can lift and rotate is arranged in the outer casing. The periphery of the upper half section of the movable lens is fixedly provided with a magnet ring, and the periphery of the lower half section of the movable lens is provided with at least three guide rails with a slope angle in the equal angle. The bottom of the outer casing is fixedly provided with a base, and the base corresponding to each guide rail of the movable lens is respectively provided with a guide block. The energized coil curl is connected with the power supply to generate the electromagnetic force, and through the direction of the magnetic force of the magnet ring, the movable lens is driven to movably lift on the guide block of the base to increase the focusing accuracy of the movable lens and to simplify the structure.
Description
Technical field
The utility model relates to the technical field of optical lens, refers to a kind of camera lens automatic focusing mechanism with focusing precision height and simplified structure especially.
Background technology
General known camera lens automatic focusing mechanism, Taiwan patent announcement number the 5309 the May 4th number " focusing location and return mechanism " as approved, it utilizes structures such as gear set and spring to drive focus lens, but because gear set is after using the general time, wearing and tearing easily, and cause the problem of sliding between gear, influence the precision that focus lens moves, and can't proofread and correct focus lens, make the focus lens off normal easily, can't align, influence the quality of camera lens focusing, moreover spring can form problems such as elastic fatigue using a period of time, all influence the effect of camera lens focusing, and structure is comparatively complicated.
Novel content
The utility model designer, still has the weak point of focusing effect deficiency and simplified structure, and is redesigned on reality is used in view of aforementioned habitual camera lens automatic focusing mechanism.
Fundamental purpose of the present utility model is to provide a kind of camera lens automatic focusing mechanism, and it utilizes electromagnetic principle, should focus by the activity camera lens with automatic transmission, can significantly increase the focusing effect, and effectively simplify habitual structure.
For achieving the above object, the utility model purpose is to provide a kind of camera lens automatic focusing mechanism, and it comprises:
One shell body, its central authorities run through and are provided with an axis hole, and two respective side of this shell body run through respectively and are provided with a perforation that is communicated with this axis hole;
Two driving groups are located at the perforation both sides of this shell body respectively, and should the driving group be provided with a coil and a capping, and two coils are located at the perforation both sides of this shell body respectively, and two cappings cover at this relative coil periphery respectively, and are fixedly arranged on this shell body;
One movable camera lens, ccontaining and lifting and should the activity camera lens be provided with at least three skewed guide rails with respect to an end outer peripheral edges isogonism of this shell body in the axis hole of this shell body;
The magnet ring of one tool magnetic, cover is fixed in this activity camera lens with respect to this guide rail position;
One base be fixedly arranged on the end of this shell body towards this activity camera lens, and this base is provided with the guiding block that three difference can be guided each lifting rail with respect to this flexible mirror head process.
Description of drawings
Fig. 1: stereo appearance figure of the present utility model.
Fig. 2: assembly three-dimensional exploded view of the present utility model.
Fig. 3: combination turnover sectional view of the present utility model.
Fig. 4: the sectional view of looking closely of the present utility model.
Fig. 5: action sectional view of the present utility model.
Embodiment
As shown in Figure 1 to Figure 3, camera lens automatic focusing mechanism of the present utility model, it comprises:
One shell body 10, the axis hole 11 that is provided with a circle is run through in these shell body 10 central authorities, and 10 4 jiaos of outside wall surface with respect to this axis hole 11 of this shell body from bottom to top run through respectively and are provided with two storage tanks 12 (as Fig. 4), this shell body 10 cuts open respectively and is provided with a profile groove 13 in being communicated in 11 of each storage tank 12 and this axis holes, and two respective side of this shell body 10 run through the perforation 14 that is provided with this axis hole 11 of connection respectively, and this shell body 10 is provided with a hook part 16 respectively inwardly in the free end that other two respective side are respectively equipped with a cantilever 15, two cantilevers 15;
Two driving groups 20 are located at perforation 14 both sides of this shell body 10 respectively, and should driving group 20 be provided with a coil 21 and a capping 22, two coils 21 are located at perforation 14 both sides of this shell body 10 respectively, and two cappings 22 cover at these relative coil 21 peripheries respectively, and are fixedly arranged on this shell body 10;
Ccontaining and the lifting of one movable camera lens 30 is in the axis hole 11 of this shell body 10, and should be provided with a joint portion 31 by activity camera lens 30, the flange 32 of a ring-type is equipped with in the bottom side of this joint portion 31, these flange 32 isogonisms are provided with three breach 33, and each breach 33 end face of this activity camera lens 30 are formed with a skewed guide rail 34 relatively;
Plurality of magnetic post 50 inserts each storage tank 12 of this shell body 10 respectively, and each magnetic post 50 is opposite with the magnetic of this magnet ring 40, can be directed being in axis hole 11 central authorities of this shell body 10 for this activity camera lens 30;
One base 60 is fixedly arranged on the end of this shell body 10 towards this hook part 16, and these base 60 both sides correspondences are concaved with a slot 61 respectively, two cantilevers 15 for this shell body 10 are inserted in this relative slot 61, and the hook part 16 difference hooks of two cantilevers 15 are in these base 60 bottom surfaces, and this base 60 is equipped with a guiding block 62 respectively with respect to each guide rail 34 of this activity camera lens 30, each guide rail 34 of this activity camera lens 30 can be rotated, with along each guiding block 62 lifting in the axis hole 11 of this shell body 10; By above-mentioned structure, constitute camera lens automatic focusing mechanism of the present utility model.
When using, extremely shown in Figure 5 as Fig. 3, by controlling the different electro permanent magnetic that two coils 21 are produced respectively at the energising back, forming magnetic respectively with both sides that this magnet ring 40 produces inhales mutually or repels each other, to utilize magnetic force, control this magnet ring 40 together with these activity camera lens 30 rotations, and should activity camera lens 30 in rotary course, because each guide rail 34 of bottom surface can move along each guiding block 62 of this base 60, make each guide rail 34 interlock that is the inclined-plane setting respectively do the motion of rising or descending by activity camera lens 30, and then reach the effect of focusing, and cooperate each magnetic post 50 to be different magnetic settings, form the magnetism of repelling each other, and make this magnet ring 40 can be suspended in the axis hole 11 of this shell body 10 together with this activity camera lens 30 with this magnet ring 40, increase the smoothness of these activity camera lens 30 liftings, the generation of resistance that reduces friction, and utilize magnetic force to drive this activity camera lens 30 focusings, significantly increase the precision of focusing so reach, and effectively simplify habitual structure, effect such as reduce cost.
Claims (4)
1. a camera lens automatic focusing mechanism is characterized in that, comprising:
One shell body, its central authorities run through and are provided with an axis hole, and two respective side of this shell body run through respectively and are provided with a perforation that is communicated with this axis hole;
Two driving groups are located at the perforation both sides of this shell body respectively, and should the driving group be provided with a coil and a capping, and two coils are located at the perforation both sides of this shell body respectively, and two cappings cover at this relative coil periphery respectively, and are fixedly arranged on this shell body;
One movable camera lens, ccontaining and lifting and should the activity camera lens be provided with at least three skewed guide rails with respect to an end outer peripheral edges isogonism of this shell body in the axis hole of this shell body;
The magnet ring of one tool magnetic, cover is fixed in this activity camera lens with respect to this guide rail position;
One base be fixedly arranged on the end of this shell body towards this activity camera lens, and this base is provided with the guiding block that three difference can be guided each lifting rail with respect to this flexible mirror head process.
2, camera lens automatic focusing mechanism as claimed in claim 1, it is characterized in that: four jiaos of outside wall surface with respect to this axis hole of this shell body from bottom to top run through respectively and are provided with two storage tanks, this shell body is provided with a profile groove in being communicated in to cut open respectively between each storage tank and this axis hole, and is equipped with a magnetic post opposite with the magnetic of this magnet ring in each storage tank respectively.
3, camera lens automatic focusing mechanism as claimed in claim 1, it is characterized in that: this shell body is respectively equipped with a cantilever in other two respective side, the free end of two cantilevers is provided with a hook part respectively inwardly, and this base both sides correspondence is concaved with a slot respectively, two cantilevers of this shell body are inserted in this relative slot, and the hook part of two cantilevers difference hook is in this base end face.
4, camera lens automatic focusing mechanism as claimed in claim 1, it is characterized in that: this activity camera lens is provided with a joint portion, the flange of a ring is equipped with in the bottom side of this joint portion, this flange isogonism is provided with three breach, each breach end face of this activity camera lens is formed with this guide rail relatively, and this magnet ring cover is fixed in the joint portion periphery of this activity camera lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420067090 CN2715176Y (en) | 2004-06-15 | 2004-06-15 | Automatic focusing mechanism for lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420067090 CN2715176Y (en) | 2004-06-15 | 2004-06-15 | Automatic focusing mechanism for lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2715176Y true CN2715176Y (en) | 2005-08-03 |
Family
ID=34873604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420067090 Expired - Fee Related CN2715176Y (en) | 2004-06-15 | 2004-06-15 | Automatic focusing mechanism for lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2715176Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009009949A1 (en) * | 2007-07-13 | 2009-01-22 | New Ken Technologies Co., Ltd. | Magnetic controlled zoom lens module |
| CN102486566A (en) * | 2010-12-06 | 2012-06-06 | 大立光电股份有限公司 | Automatic focusing module |
-
2004
- 2004-06-15 CN CN 200420067090 patent/CN2715176Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009009949A1 (en) * | 2007-07-13 | 2009-01-22 | New Ken Technologies Co., Ltd. | Magnetic controlled zoom lens module |
| CN102486566A (en) * | 2010-12-06 | 2012-06-06 | 大立光电股份有限公司 | Automatic focusing module |
| CN102486566B (en) * | 2010-12-06 | 2015-03-04 | 大立光电股份有限公司 | Automatic focusing module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |