CN108495012B - Lens cone base combined structure and camera module comprising same - Google Patents
Lens cone base combined structure and camera module comprising same Download PDFInfo
- Publication number
- CN108495012B CN108495012B CN201810534021.XA CN201810534021A CN108495012B CN 108495012 B CN108495012 B CN 108495012B CN 201810534021 A CN201810534021 A CN 201810534021A CN 108495012 B CN108495012 B CN 108495012B
- Authority
- CN
- China
- Prior art keywords
- lens barrel
- base
- flange
- boss
- aperture portion
- 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.)
- Active
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention relates to a lens cone base combined structure and an image pickup module comprising the same, wherein the lens cone base combined structure comprises: the lens comprises a lens cone (2) and a base (3) connected with the lens cone (2), wherein a flange (4) is arranged on the peripheral wall of the lens cone; the base (3) is provided with a through hole (31), and a boss (5) is arranged on the inner wall of the through hole (31); the flange (4) is supported on the boss (5). According to the lens barrel base combination structure, the longitudinal distance between the base and the capacitor can be freely controlled when the camera module is assembled in a matching mode of the flange and the boss, and the risk of insufficient safety distance of the capacitor is avoided.
Description
Technical Field
The invention belongs to the technical field of optical lenses, and particularly relates to a lens barrel base combined structure and an image pickup module comprising the same.
Background
In the lens module structure, a capacitor structure is arranged at the position of the photosensitive chip. While the capacitive structure requires a certain distance from the other components. The distance between the capacitive structure and the other components should be greater than a minimum safety distance requirement for preventing interference by the other components. In the same optical system, the distance between the optical lens group and the chip is fixed, and when the traditional lens barrel and the base are matched, the space between the base and the capacitor is compressed, that is, the longitudinal distance between the base and the capacitor has the risk of exceeding the minimum safety distance, so that the capacitor structure is disturbed. In addition, in the prior art, the lens barrel is usually in threaded connection and fixed with the base, and if the accuracy of threads is not high, the problems of inclination of the optical center of the optical lens and the like are easily caused, so that the performance of the optical system is influenced.
Disclosure of Invention
The invention aims to provide a lens cone and base matching structure, which solves the problem of insufficient distance between a capacitor and a base in a lens module.
In order to achieve the above object, the present invention provides a lens barrel base combination structure, comprising a lens barrel and a base connected with the lens barrel, wherein a flange is arranged on the outer peripheral wall of the lens barrel;
the base is provided with a through hole, and the inner wall of the through hole is provided with a boss;
the flange is supported on the boss.
According to an aspect of the present invention, the through hole includes a first aperture portion and a second aperture portion, the boss being provided on the second aperture portion;
the first aperture portion is disposed obliquely to the second aperture portion, and the diameter of the first aperture portion gradually decreases in a direction approaching the second aperture portion.
According to one aspect of the invention, the first aperture portion has an inclination angle α, α being ≡15°.
According to one aspect of the invention, the distance between the minimum aperture of the first aperture part and the upper surface of the base is d, and d is more than or equal to 0.1mm.
According to an aspect of the present invention, the lens barrel includes a first barrel portion and a second barrel portion connected in sequence, the flange being provided on an outer peripheral wall of the second barrel portion;
the first barrel portion and the second barrel portion are disposed obliquely, and the first barrel portion is inclined in a direction away from the flange.
According to one aspect of the invention, the first barrel portion has an inclination angle β, β being 15 ° or more.
According to one aspect of the invention, the outer diameter of the flange is c, the inner diameter of the boss is b, and the relationship between the outer diameter c of the flange and the inner diameter b of the boss is satisfied: c-b is more than or equal to 0.1mm.
According to one aspect of the invention, the flange may be circular, square or polygonal in shape.
According to one aspect of the invention, the width of the flange is a, a is more than or equal to 0.02mm.
In order to achieve the above object, the present invention provides an image capturing module including the above lens barrel base assembly structure, the image capturing module further includes:
a lens group installed in the lens barrel;
the circuit board is positioned below the base;
a photosensitive chip supported on the wiring board;
and the capacitor is positioned at one side of the photosensitive chip and is supported on the circuit board to be electrically connected with the circuit board.
According to the scheme of the invention, the flange is arranged on the side wall of the lens barrel, the boss is arranged on the inner wall of the through hole of the base, the lens barrel is fixedly connected with the base in a matched mode that the flange is supported on the boss, when the camera module is assembled, the set distance between the lens group in the lens barrel and the photosensitive chip can be ensured, the longitudinal distance between the base and the capacitor can be freely controlled, and the problem of insufficient safety distance of the capacitor is avoided.
According to one scheme of the invention, the boss is an annular boss arranged on the inner wall of the second aperture part, the upper surface of the boss is a plane, and the boss is used for supporting the flange to realize the connection between the base and the lens barrel. In addition, the threaded connection has high requirements on the threaded precision, and if the threaded precision does not meet the requirements, the lens barrel is easy to be assembled askew and difficult to adjust. The boss supporting flange can flexibly adjust the position of the lens barrel, so that the optical performance of the optical system of the lens barrel base combination structure is guaranteed.
Drawings
Fig. 1 is a composition diagram schematically showing a lens barrel base combination structure according to the present invention;
fig. 2 is a structural view schematically showing a lens barrel according to the present invention;
fig. 3 is a plan view schematically showing a lens barrel according to a first embodiment of the present invention;
fig. 4 is a plan view schematically showing a lens barrel according to a second embodiment of the present invention;
fig. 5 is a plan view schematically showing a lens barrel according to a third embodiment of the present invention;
fig. 6 is a view schematically showing a lens barrel base combination structure according to the present invention;
fig. 7 is a diagram schematically showing a lens barrel base combination structure according to a second embodiment of the present invention.
The meanings of the reference numerals in the drawings are as follows:
1. the lens barrel base combination structure. 2. Lens barrel. 3. And (5) a base. 4. And a flange. 5. A boss. 31. And a through hole. 311. A first aperture portion. 312. A second aperture portion. 21. A first barrel portion. 22. A second barrel portion. 6. An optical filter. 7. And a photosensitive chip. a. Flange width. b. The boss inner diameter. c. Flange outer diameter. Alpha, first aperture portion tilt angle. Beta, first barrel portion tilt angle.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments will be briefly described below. It is apparent that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
In describing embodiments of the present invention, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in terms of orientation or positional relationship shown in the drawings for convenience of description and simplicity of description only, and do not denote or imply that the devices or elements in question must have a particular orientation, be constructed and operated in a particular orientation, so that the above terms are not to be construed as limiting the invention.
The present invention will be described in detail below with reference to the drawings and the specific embodiments, which are not described in detail herein, but the embodiments of the present invention are not limited to the following embodiments.
Fig. 1 is a composition diagram schematically showing a lens barrel base combination structure according to the present invention. As shown in fig. 1, the lens barrel base combination structure 1 of the present invention includes a lens barrel 2 and a base 3, and the lens barrel 2 is fixedly connected with the base 3. The outer peripheral wall of the lens barrel 2 of the invention is provided with a flange 4, the base 3 is provided with a through hole 31, and the inner wall of the through hole 31 is provided with a boss 5. The lens barrel 2 is positioned in the through hole 31 of the base 3, and the flange 4 on the lens barrel 2 is supported on the boss 5 of the base 3.
According to the lens barrel base combined structure 1, the flange 4 is arranged on the side wall of the lens barrel 2, the boss 5 is arranged on the inner wall of the through hole 31 of the base 3, the lens barrel 2 is fixedly connected with the base 3 in a matching mode that the flange 4 is supported on the boss 5, when the camera module is assembled, the set distance between a lens group in the lens barrel 2 and the photosensitive chip 7 can be ensured, the longitudinal distance between the base 3 and a capacitor can be freely controlled, and the problem of insufficient safety distance of the capacitor is avoided.
The lens barrel base combination structure 1 of the present invention is described in detail below:
fig. 2 is a structural view schematically showing a lens barrel according to the present invention. As shown in fig. 1 and 2, the lens barrel of the present invention includes a first lens barrel portion 21 and a second lens barrel portion 22 connected in sequence, the first lens barrel 21 being located above the second lens barrel portion 22. The flange 4 of the present invention is provided on the outer peripheral wall of the second barrel portion 22. As shown in FIG. 2, in the present embodiment, the width of the flange 4 on the second barrel portion 22 is a.gtoreq.0.02 mm. Namely, the height of the extending flange 4 along the central axis direction of the lens barrel 2 is more than or equal to 0.2mm, and within the numerical range, the structural strength of the flange 4 can be well ensured, and the stability of the lens barrel 2 can be ensured when the lens barrel 2 is supported on the boss 5 of the base 3 through the flange 4.
As shown in fig. 3, 4 and 5, the flange 4 provided on the outer peripheral wall of the lens barrel 2 of the present invention may be circular, square, polygonal, or the like, as long as the structural strength use requirement can be satisfied. Further, the flanges 4 in the above embodiments are all continuous, that is, the flanges 4 can be regarded as a continuous, closed annular structure on the outer peripheral wall of the lens barrel 2. In other embodiments according to the present invention, the flange 4 may also be discontinuous, for example, the flange 4 is a plurality of equally spaced arc-shaped flanges provided on the outer peripheral wall of the lens barrel 2. In any case, the flange 4 can be any embodiment that satisfies the structural strength.
Fig. 6 is a diagram schematically showing a lens barrel base combination structure according to the present invention. As shown in fig. 1 and 6 in combination, the through hole 31 of the base 3 of the present invention includes a first aperture portion 311 and a second aperture portion 312. In the present embodiment, the second aperture portion 312 is located below the first aperture portion 311 and connected to the first aperture portion 311. The second aperture portion 312 is an aperture having the same diameter, and an inner wall of the second aperture portion 312 is parallel to the central axis of the base 3. In the present embodiment, the boss 5 is provided on the inner wall of the second aperture portion 312. The boss 5 is an annular boss provided on the inner wall of the second aperture portion 312, and the upper surface of the boss 5 is a plane, which is advantageous in ensuring stable support when supporting the flange 4 of the lens barrel 2, and thus in ensuring optical performance of the optical system advantageous in the lens barrel base combination structure of the present invention. It should be understood that the shape of the boss 5 of the present invention is not limited, and the boss 5 may be circular, square or polygonal. Further, the boss 5 may be discontinuous, for example, the boss 5 may be provided with arc-shaped bosses for a plurality of equidistant bosses provided on the inner wall of the through hole 31.
As shown in fig. 6, in the present embodiment, the outer diameter of the flange 4 is c, the inner diameter of the boss 5 is b, and the relationship between the outer diameter c of the flange 4 and the inner diameter b of the boss 5 is satisfied: c-b is more than or equal to 0.1mm. In the numerical range, the supporting strength of the boss 5 can be effectively ensured, and the boss 5 can firmly support the lens barrel 2.
As shown in fig. 1, 6, in the present embodiment, the boss 5 is provided on the inner wall of the second aperture portion 312 of the through hole 31, and the lower end face of the boss 5 is flush with the lower end face of the through hole 31, that is, the lower end face of the boss 5 is flush with the lower end face of the base 3. In other embodiments according to the present invention, the position at which the boss 5 is provided is not limited to the above-described position, i.e., the lower end surface of the boss 5 may not be provided flush with the lower end surface of the base 3. For example, as shown in fig. 7, the boss 5 is provided in the middle of the second aperture portion 312 of the through hole 2. That is, the lens barrel base combination structure of the present invention can set the position of the boss 5 as required. Similarly, the position of the flange 4 on the outer peripheral wall of the lens barrel 2 may be arbitrarily set, so that the longitudinal distance between the base 3 and the capacitor can be freely controlled when the image pickup module is assembled.
As shown in fig. 1, 2 and 6 in combination, the lens barrel 2 of the present invention includes a first barrel portion 21 and a second barrel portion 22, the first barrel portion 21 and the second barrel portion 22 being disposed obliquely. In the present embodiment, the second barrel portion 22 is disposed in parallel with the central axis of the barrel 2, and the first barrel portion 21 is inclined in a direction away from the flange 4. The first barrel portion 21 of the present invention has an inclination angle β, which is not less than 15 °.
The through hole 31 of the base 3 of the present invention includes a first aperture portion 311 and a second aperture portion 312, the first aperture portion 311 being disposed obliquely to the second aperture portion 312. The aperture of the first aperture portion 311 gradually decreases in a direction approaching the second aperture portion 312. That is, the first aperture portion 311 is a tapered hole, the aperture of which gradually decreases from top to bottom, the minimum aperture of the first aperture portion 311 is connected to the second aperture portion 312, and the minimum aperture of the first aperture portion 311 is equal to the diameter of the second aperture portion 312. The first aperture portion 311 of the present invention has an inclination angle α, α being 15 ° or more.
As shown in fig. 1, 6 and 7, in the present embodiment, the first aperture portion 311 does not extend from the upper surface of the base 3, i.e., in the present embodiment, the maximum aperture of the first aperture portion 311 in the form of a tapered hole is not flush with the upper surface of the base 3. In other embodiments according to the present invention, the first aperture portion 311 may also extend downward from the upper surface of the base 3.
Referring to fig. 1, 6 and 7, since the first barrel portion 21 of the barrel 2 is obliquely disposed, the first aperture portion 311 of the through hole 31 of the base 3 is obliquely disposed, so that a dispensing space with a gap reduced from large to small can be formed at the upper surface of the through hole 31 near the base 3, thereby facilitating dispensing, and being beneficial to ensuring the dispensing strength, i.e., the fixing strength of the flange 4 and the boss 5. The optical performance is prevented from being influenced by the movement of the lens barrel 2. In the invention, the distance between the minimum aperture of the first aperture part 311 and the upper surface of the base 3 is d, and d is more than or equal to 0.1mm for facilitating the dispensing operation and ensuring the dispensing strength.
The invention also provides an image pickup module comprising the lens barrel base combination structure, and the image pickup module comprises a lens group, a circuit board, an optical filter 6, a capacitor and a photosensitive chip 7. The lens group is installed in the lens barrel 2, the circuit board is arranged below the base 3, the photosensitive chip 7 is supported on the circuit board, one side of the capacitor, which is positioned on the photosensitive chip 7, is supported on the circuit board and is electrically connected with the circuit board, and the optical filter 6 is supported on the photosensitive chip 7.
In the camera module, the lens cone 2 is arranged in the through hole 31 of the base 3, and the flange 4 is matched with the boss 5, so that the set distance between the lens group in the lens cone 2 and the photosensitive chip 7 can be ensured, and the longitudinal distance between the base 3 and the capacitor can be freely controlled.
The above description is only one embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The lens barrel base combined structure (1) comprises a lens barrel (2) and a base (3) connected with the lens barrel (2), and is characterized in that a flange (4) is arranged on the peripheral wall of the lens barrel (2); the lens barrel (2) comprises a first lens barrel part (21) and a second lens barrel part (22) which are sequentially connected, and the flange (4) is arranged on the peripheral wall of the second lens barrel part (22);
the first barrel portion (21) is disposed obliquely to the second barrel portion (22), the first barrel portion (21) being inclined in a direction away from the flange (4);
the base (3) is provided with a through hole (31), and a boss (5) is arranged on the inner wall of the through hole (31); the through hole (31) comprises a first aperture portion (311) and a second aperture portion (312), the boss (5) being disposed on the second aperture portion (312);
the first aperture portion (311) is disposed obliquely to the second aperture portion (312), the diameter of the first aperture portion (311) gradually decreasing in a direction approaching the second aperture portion (312);
the flange (4) is supported on the boss (5).
2. The lens barrel base combination structure (1) according to claim 1, wherein the inclination angle of the first aperture portion (311) is α, α being equal to or greater than 15 °.
3. The lens barrel base combination structure (1) according to claim 1 or 2, wherein a distance d between a minimum aperture of the first aperture portion (311) and an upper surface of the base (3) is equal to or greater than 0.1mm.
4. The barrel base combination (1) according to claim 1, wherein the first barrel portion (21) has an inclination angle β, β being ≡15 °.
5. The lens barrel base combination structure (1) according to claim 1, wherein the outer diameter of the flange (4) is c, the inner diameter of the boss (5) is b, and the relation between the outer diameter c of the flange (4) and the inner diameter b of the boss (5) is satisfied: c-b is more than or equal to 0.1mm.
6. The lens barrel base combination (1) according to claim 1, wherein the shape of the flange (4) may be circular, square or polygonal.
7. The lens barrel base combination structure (1) according to claim 6, wherein the width of the flange (4) is a, a is equal to or more than 0.02mm.
8. A camera module comprising the lens barrel base assembly (1) of any one of claims 1-7, the camera module further comprising:
a lens group installed in the lens barrel (2);
the circuit board is positioned below the base (3);
a photosensitive chip supported on the wiring board;
and the capacitor is positioned at one side of the photosensitive chip and is supported on the circuit board to be electrically connected with the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810534021.XA CN108495012B (en) | 2018-05-29 | 2018-05-29 | Lens cone base combined structure and camera module comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810534021.XA CN108495012B (en) | 2018-05-29 | 2018-05-29 | Lens cone base combined structure and camera module comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108495012A CN108495012A (en) | 2018-09-04 |
| CN108495012B true CN108495012B (en) | 2024-02-02 |
Family
ID=63352234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810534021.XA Active CN108495012B (en) | 2018-05-29 | 2018-05-29 | Lens cone base combined structure and camera module comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108495012B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000323386A (en) * | 1999-05-11 | 2000-11-24 | Nikon Corp | Lens tube support device and aligner |
| CN102033285A (en) * | 2009-09-29 | 2011-04-27 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN102230996A (en) * | 2009-10-07 | 2011-11-02 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN207067507U (en) * | 2017-07-25 | 2018-03-02 | 浙江舜宇光学有限公司 | Split type camera lens and camera module |
| KR20180023309A (en) * | 2016-08-25 | 2018-03-07 | 삼성전기주식회사 | Camera module |
| CN208353448U (en) * | 2018-05-29 | 2019-01-08 | 浙江舜宇光学有限公司 | Lens barrel base combination structure and camera module comprising the structure |
-
2018
- 2018-05-29 CN CN201810534021.XA patent/CN108495012B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000323386A (en) * | 1999-05-11 | 2000-11-24 | Nikon Corp | Lens tube support device and aligner |
| CN102033285A (en) * | 2009-09-29 | 2011-04-27 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN102230996A (en) * | 2009-10-07 | 2011-11-02 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| KR20180023309A (en) * | 2016-08-25 | 2018-03-07 | 삼성전기주식회사 | Camera module |
| CN207067507U (en) * | 2017-07-25 | 2018-03-02 | 浙江舜宇光学有限公司 | Split type camera lens and camera module |
| CN208353448U (en) * | 2018-05-29 | 2019-01-08 | 浙江舜宇光学有限公司 | Lens barrel base combination structure and camera module comprising the structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108495012A (en) | 2018-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9507118B2 (en) | Lens module | |
| US20200057238A1 (en) | Lens module | |
| CN209167632U (en) | A kind of lens module | |
| US20150338617A1 (en) | Optical focusing system | |
| US11029500B2 (en) | Lens module | |
| KR20160067687A (en) | Lens module | |
| US20150260939A1 (en) | Lens Module | |
| CN108495012B (en) | Lens cone base combined structure and camera module comprising same | |
| CN103645554A (en) | Refraction and reflection type infrared imaging system | |
| US20200166728A1 (en) | Lens module | |
| US9465186B2 (en) | Lens module | |
| CN208353448U (en) | Lens barrel base combination structure and camera module comprising the structure | |
| US10338339B2 (en) | Lens module | |
| US11347018B2 (en) | Lens module | |
| US11327267B2 (en) | Lens module | |
| CN208636518U (en) | Lens module | |
| US9101073B2 (en) | Server cabinet | |
| CN204167457U (en) | The microwave-medium resonance device of radio-frequency module | |
| CN210014785U (en) | Adjusting platform and marking laser module | |
| CN111561919A (en) | Single-laser multi-lens chip | |
| CN207424337U (en) | It is a kind of to expand lens barrel for the adjustable of laser beam expanding | |
| CN213750464U (en) | 2.5 times lens shell structure in high-precision imaging lens | |
| CN219349247U (en) | Fish-eye lens | |
| CN210243947U (en) | Integrated light path converter | |
| CN208689240U (en) | A kind of camera lens of adjustable-angle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |