CN2689265Y - Lens modular sets - Google Patents
Lens modular sets Download PDFInfo
- Publication number
- CN2689265Y CN2689265Y CN 200420042629 CN200420042629U CN2689265Y CN 2689265 Y CN2689265 Y CN 2689265Y CN 200420042629 CN200420042629 CN 200420042629 CN 200420042629 U CN200420042629 U CN 200420042629U CN 2689265 Y CN2689265 Y CN 2689265Y
- Authority
- CN
- China
- Prior art keywords
- lens module
- camera lens
- lens barrel
- sleeve
- cam
- 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 discloses a lens module assembly, comprising a lens barrel, a top-pushing mechanism, a focusing mechanism, and a sleeve. A lens is arranged inside the lens barrel. The top-pushing mechanism includes a push rod, which is fixed to the outer side wall of the lens barrel. The focusing mechanism includes an elastic element and a rotatable cam. The sleeve includes a cylindric shell, whose inner diameter matches outer diameter of the lens barrel. The side wall of the cylindric shell is provided with an opening. The lens barrel is contained inside the sleeve, which makes the top-pushing mechanism contain inside the opening of the sleeve. The force directions that the elastic element and the lateral border of the cam respectively acts on the push rod are opposite. The lens module assembly of the utility model drives the push rod that is slidingly connected with the side edge of the cam by cam rotation, continuous and progressive focusing is realized, and focusing accuracy of the lens module assembly is improved.
Description
[technical field]
The utility model is about a kind of camera lens module, especially about a kind of camera lens module that is used for the digital camera focusing.
[background technology]
Continuous development along with digital technology, digital camera is by people's widespread use, mobile phone and PDA (Personal Data Assistant in recent years particularly, personal digital assistant) etc. portable electron device is also fast to high-performance, the multifunction direction develops, digital camera becomes an important development direction that develops the mobile multimedia technology with combining of these portable electron devices, the digital camera volume that combines with this portable electron device is less and simple in structure, therefore adopt focuses structure more, the focal length that is its lens combination is constant, the distance of its lens combination and imageing sensor remains unchanged, as the patent No. be 01202112.1 the patent disclosure a kind of camera lens module that focus structure of China Intellectual Property Office in Granted publication on the 5th in Dec calendar year 2001, the imageing sensor in this camera lens module is positioned at the focal position of its lens combination.According to the lens imaging principle, when object distance under the situation of the focal length of lens, imaging point is positioned on the focal plane.Therefore, the above-mentioned camera lens module that focuses can not influence image quality when being used to take remote scenery, but it is when taking closely scenery, because object distance is less, image distance increases, and causing imaging surface is not the focal plane, therefore causes the imaging on the focal plane unintelligible.For improving this kind situation, just need to adjust image distance, the i.e. distance of lens combination and imageing sensor.See also Fig. 1, China Intellectual Property Office in February in 2003 Granted publication on the 26th patent disclosure a kind of camera lens module of adjusting image distance, this camera lens module mainly comprises camera lens 21, focusing ring 22, elastic device 23 and pedestal 24.Wherein camera lens 21 and focusing ring 22 be by threads engaged, is connected by elastic device 23 between focusing ring 22 and the pedestal 24, and these focusing ring 22 belows are provided with regulating tank 221, and pedestal 24 is provided with the salient point 241 that matches with regulating tank 221.Pull focusing ring 22, it is rotated with respect to pedestal 24, because the salient point 241 of pedestal 24 contact with the varying mesa of the regulating tank 221 of focusing ring 22, drive camera lens 21 is done rectilinear motion along optical axis direction, thus the spacing of change lens combination and imageing sensor.Pause on only can be in the regulating tank different table top of the rotation of the focusing ring of this camera lens module, promptly only can the segmentation focusing, thus influence focusing accuracy, and the complex structure of this camera lens module, especially higher to the material requirements of focusing ring, increase manufacturing cost and difficulty.
Therefore, press for and provide a kind of focusing accuracy high and camera lens module simple in structure.
[utility model content]
The purpose of this utility model is to provide a kind of camera lens module, and the focusing accuracy of this camera lens module is high and simple in structure.
Camera lens module of the present utility model, it comprises: a lens barrel, a penetrating mechanism, a focus adjusting mechanism and a sleeve.Be provided with lens in this lens barrel.This penetrating mechanism comprises a push rod, and this push rod is immobilizated in the lateral wall of this lens barrel.This focus adjusting mechanism comprises a flexible member and a rotating cam.This sleeve comprises a tubular shell, and the external diameter of its internal diameter and lens barrel is complementary, and the sidewall of this tubular shell is provided with an opening.This lens barrel is contained in this sleeve, and this penetrating mechanism is placed in the opening of this sleeve, and this flexible member is opposite with the strength direction that the lateral margin of this cam acts on this push rod respectively.
Compare with existing camera lens module, camera lens module of the present utility model drives the push rod that is slidingly connected with this cam side by the rotation of cam, makes lens do rectilinear motion in the drive lower edge of lens barrel optical axis, carry out progressive focusing continuously, thereby improved the focusing accuracy of camera lens module; The focus adjusting mechanism of this camera lens module only is made of a flexible member and a cam, and it is simple in structure.
[description of drawings]
Fig. 1 is the synoptic diagram of existing camera lens module.
Fig. 2 is the three-dimensional exploded view of camera lens module of the present utility model.
Fig. 3 is the wiring layout of camera lens module of the present utility model.
Fig. 4 is the partial sectional view that camera lens module of the present utility model is adjusted to less image distance state.
Fig. 5 is the partial sectional view that camera lens module of the present utility model is adjusted to big image distance state.
[embodiment]
Please in conjunction with reference Fig. 2 and shown in Figure 4, camera lens module 10 of the present utility model comprises a lens barrel 12, a penetrating mechanism 13, a focus adjusting mechanism 14 and a sleeve 15.
Focus adjusting mechanism 14 comprises spring 142, cam 144 and runner 148.Spring 142 1 ends can be immobilizated in platform 134 upper ends, and the other end is a free end.Cam 144 middle parts are provided with a through hole 145, and a bottom surface of runner 148 is provided with a rotating shaft 146.Runner 148 can drive cam 144 by rotating shaft 146 and cooperating of through hole 145 and rotate.The lateral surface ring of the runner 148 sliding line 149 of setting up defences.
Sleeve 15 comprises a housing 152 and a side cover 155.Housing 152 is the certain thickness cylinders of tool, and the external diameter of its internal diameter and lens barrel 12 is complementary.Housing 152 madial walls are provided with disymmetrical axial slide 153, in order to cooperate with the guide rail 122 of lens barrel 12.Housing 152 offers an arcuate openings 154 away from chute 153 1 sides, and these opening 154 inside top cave inward and form a groove 154a, the main body 133 of ccontaining holding parts 132 when being used to lens barrel 12 and sliding up and down.Side cover 155 is in order to cooperate housing 152, and its assembling back is in the outer wall that can be close to housing 152 near the edge of opening 154 1 sides, and opposite side is offered a through hole 156 in the middle part, allows the rotating shaft 146 of runner 148 to pass and then connects cam 144.
Please in conjunction with reference to shown in Figure 3, during assembling, the through hole 156 of side cover 155 is passed in the rotating shaft 146 of runner 148, cam 144 is immobilizated in rotating shaft 146 in the inboard of side cover 155 by through hole 145, makes runner 148 can drive cam 144 and rotates synchronously.
Upwards push up from base 16 belows with lens barrel 12, spring 142 compressions, there are enough spaces push rod 136 belows.Be immobilizated on the base 16 connecting the side cover 155 of cam 144 with runner 148, make side cover 155 be close to the outer wall of housing 152 near the edge of a side of cam 144, cam 144 enters in the housing 152 of sleeve 15 by opening 154, be positioned at push rod 136 belows, runner 148 then part is placed in the groove 164.Unclamp lens barrel 12 this moment, spring 142 elasticity recovery deformation, and lens barrel 12 glides and supports the lateral margin of cam 144 until push rod 136.Afterwards, side cover 155 is immobilizated on the base 16 by modes such as viscose or screws.To be assembled to base 16 belows with the circuit board 18 that imageing sensor 17 is electrically connected again, imageing sensor 17 is positioned on the light-path.
Please in conjunction with reference Fig. 4 and shown in Figure 5, during shooting, according to the distance of taking thing, stirring runner 148 rotates it in groove 164, rotate synchronously by rotating shaft 146 driving cams 144, push rod 136 cooperates with the side slip of cam 144, makes push rod 136 drive lens barrel 124 under the cooperation of spring 142 and does rectilinear motion along optical axis, regulates image distance to obtain image clearly.Because the guide effect of guide rail 122 and chute 153, lens barrel 12 can not rotate in sleeve 15.When the contact point of push rod 136 and the side of cam 144 when rotating shaft 146 distances increase gradually, push rod 144 moves upward by the thrust of cam 144 sides, penetrating mechanism 13 makes lens barrel 12 move upward along optical axis.Lens barrel 12 rises with respect to sleeve 15, and image distance increases.The spring 142 that is held in groove 154 inwall tops is constantly compressed.When the contact point of push rod 136 and guide rail 148 when rotating shaft 146 distances reduce gradually, spring 142 discharges elastic potential energys, acts on the platform 134 of penetrating mechanism 13, produces a downward thrust, make lens barrel 12 descend with respect to sleeve 15, thereby image distance reduces.When no external force acts on runner 148, because of the lateral surface of runner 148 is equipped with anti-skidding line 149, the friction force that itself and groove 164 produce makes this runner 148 can be still in any state, cam 144 is promptly static thereupon, thereby overcome the downward thrust that 142 pairs of platforms 134 of spring are applied, make lens barrel 124 also keep static.
Be appreciated that camera lens module 10 of the present utility model can cooperate with other lens,, thereby reach the purpose of focusing with the focal length of the lens combination that changes lens in the camera lens module and other combination of lenses.Spring 142 can have multiple combination with the position of cam 144, for example spring 142 is arranged at the below of push rod 136, with cam 144 homonymies and make spring 142 be in extended state.Every opposite embodiment of strength direction that makes the spring 142 and the lateral margin of cam 144 act on lens barrel 12 respectively by push rod 136 all can reach the purpose of this utility model.
Claims (10)
1. camera lens module, comprise lens barrel and sleeve, be provided with at least one lens in this lens barrel, this sleeve comprises a tubular shell, the external diameter of its internal diameter and this lens barrel is complementary, it is characterized in that: this camera lens module further comprises penetrating mechanism and focus adjusting mechanism, this penetrating mechanism comprises a push rod, this push rod is immobilizated in the lateral wall of this lens barrel, this focus adjusting mechanism comprises a flexible member and a rotating cam, and the sidewall of this tubular shell is provided with an opening, and this lens barrel is contained in this sleeve, this penetrating mechanism is placed in the opening of this sleeve, and this flexible member is opposite with the strength direction that the lateral margin of this cam acts on this push rod respectively.
2. camera lens module as claimed in claim 1 is characterized in that: this lens barrel lateral wall convexes with disymmetrical axial guidance, and the housing madial wall of this sleeve is provided with disymmetrical axial slide, in order to cooperate with the guide rail of this lens barrel.
3. camera lens module as claimed in claim 1, it is characterized in that: this penetrating mechanism further comprises a holding parts, this holding parts is integrated parts, its longitudinal profile is " L " type, comprise a main body and a platform, this main body is close to the outer wall of this lens barrel, and this platform level is positioned at the lower end of this main body.
4. camera lens module as claimed in claim 3 is characterized in that: this open top inboard caves inward and forms a groove, in order to the main body of ccontaining this holding parts when lens barrel slides up and down.
5. camera lens module as claimed in claim 3 is characterized in that: this push rod vertically is immobilizated in this platform bottom surface.
6. camera lens module as claimed in claim 3 is characterized in that: this flexible member is a column spring, and this spring one end is immobilizated in this platform upper end, and the other end is a free end.
7. camera lens module as claimed in claim 1 is characterized in that: this focus adjusting mechanism further comprises a runner.
8. camera lens module as claimed in claim 7 is characterized in that: this cam middle part is provided with a through hole, and a bottom surface of this runner is provided with a rotating shaft, and this runner can drive cam rotation by this rotating shaft and cooperating of this through hole.
9. camera lens module as claimed in claim 8 is characterized in that: this sleeve further comprises a side cover, this side cover cooperate with housing and the shielding casing sidewall on opening, this side cover middle part is provided with a through hole, the rotating shaft of runner is passed through hole and is connected with cam.
10. camera lens module as claimed in claim 1, it is characterized in that: this camera lens module further comprises a base, this base is provided with the perforate consistent with square shape under this sleeve, the housing of this sleeve is immobilizated on this base, this base is recessed formation one groove in the top layer of this perforate one side, the xsect of this groove is arc, and its radius and length match with runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420042629 CN2689265Y (en) | 2004-02-14 | 2004-02-14 | Lens modular sets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420042629 CN2689265Y (en) | 2004-02-14 | 2004-02-14 | Lens modular sets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2689265Y true CN2689265Y (en) | 2005-03-30 |
Family
ID=34671478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420042629 Expired - Lifetime CN2689265Y (en) | 2004-02-14 | 2004-02-14 | Lens modular sets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2689265Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526660B (en) * | 2008-03-05 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | Shot module |
| CN102445741A (en) * | 2010-10-14 | 2012-05-09 | 佳能企业股份有限公司 | Shifting device |
| CN107979931A (en) * | 2017-12-13 | 2018-05-01 | 广东欧珀移动通信有限公司 | Electronic device |
| CN109578943A (en) * | 2018-12-17 | 2019-04-05 | 浙江凯耀照明股份有限公司 | A kind of lamps and lanterns zoom modules |
| CN110770631A (en) * | 2017-10-12 | 2020-02-07 | 深圳市柔宇科技有限公司 | Display device and electronic device |
| WO2023236155A1 (en) * | 2022-06-09 | 2023-12-14 | 北京小米移动软件有限公司 | Camera module and terminal device |
-
2004
- 2004-02-14 CN CN 200420042629 patent/CN2689265Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526660B (en) * | 2008-03-05 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | Shot module |
| CN102445741A (en) * | 2010-10-14 | 2012-05-09 | 佳能企业股份有限公司 | Shifting device |
| CN102445741B (en) * | 2010-10-14 | 2014-05-07 | 佳能企业股份有限公司 | Shifting device |
| CN110770631A (en) * | 2017-10-12 | 2020-02-07 | 深圳市柔宇科技有限公司 | Display device and electronic device |
| CN107979931A (en) * | 2017-12-13 | 2018-05-01 | 广东欧珀移动通信有限公司 | Electronic device |
| CN107979931B (en) * | 2017-12-13 | 2023-08-25 | 深圳市欢太科技有限公司 | electronic device |
| CN109578943A (en) * | 2018-12-17 | 2019-04-05 | 浙江凯耀照明股份有限公司 | A kind of lamps and lanterns zoom modules |
| WO2023236155A1 (en) * | 2022-06-09 | 2023-12-14 | 北京小米移动软件有限公司 | Camera module and terminal device |
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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 |
Expiration termination date: 20140214 Granted publication date: 20050330 |