CN217739589U - Bonded lens structure - Google Patents
Bonded lens structure Download PDFInfo
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- CN217739589U CN217739589U CN202220982274.5U CN202220982274U CN217739589U CN 217739589 U CN217739589 U CN 217739589U CN 202220982274 U CN202220982274 U CN 202220982274U CN 217739589 U CN217739589 U CN 217739589U
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Abstract
The utility model relates to a camera lens technical field, concretely relates to bonding lens structure, including first lens and second lens, first lens and second lens bond together, the adhesive surface of first lens and the adhesive surface cooperation of second lens, the adhesive surface of first lens is the concave surface, the adhesive surface of second lens is the convex surface, the adhesive surface periphery of first lens is provided with round protruding step. The utility model discloses a bonding surface of first lens and the bonding surface cooperation of second lens bond first lens and second lens together, the bonding surface of first lens is the concave surface, the bonding surface periphery of first lens is provided with the protruding step of round, make the second lens be located protruding step, add man-hour, the effectual second lens that has protected of boss step prevents that the second lens from breaking, the yields of improvement product, and, fine control the summit height of bonding back second lens to the distance of bonding platform, can better control tolerance, improve product quality.
Description
Technical Field
The utility model relates to a camera lens technical field, concretely relates to bonding lens structure.
Background
The lens needs to correct aberration and chromatic aberration, some lenses only adopt a single lens and cannot solve the problem well, and two optical glasses with different refractive indexes are needed to be bonded to meet the requirement. The bonding lens is a lens which bonds two lenses together through glue and meets the imaging requirement of a lens, and the bonding of the glass lens is common at present.
Glass-bonded lenses are often used on high-pixel lenses, which typically use high-index glass materials; in an optical system, the deviation of the thickness of a single product from the reference value of the center of the lens can cause defocusing at the center position and the peripheral position after optical imaging, and the defocusing phenomenon is more obvious the farther the thickness deviates from the reference value of the center; therefore, the thickness tolerance of the bonded lens needs to be controlled in a smaller range, but the structure of the traditional glass bonded lens is difficult to control the tolerance range, the lens with large tolerance is easy to appear in the processing production and does not meet the precision requirement of the product, the bonded lens is controlled in a core taking mode, the problem of lens breakage is easy to appear in the processing process, and the reject ratio of the product is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a bonding lens structure.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a bonding lens structure, includes first lens and second lens, first lens and second lens bond together, the bonding surface cooperation of bonding surface and the second lens of first lens, the bonding surface of first lens is the concave surface, the bonding surface of second lens is the convex surface, the bonding surface periphery of first lens is provided with round protruding step.
Further, the height of the convex step is 0.15-1mm.
Furthermore, the width of the convex step is 0.1-1mm.
Furthermore, the diameter of the inner ring of the convex step is 3-20mm.
Furthermore, the diameter of the outer ring of the convex step is 3.1-21mm.
Further, the overall thickness tolerance range of the bonded lens structure is ± 0.01mm.
Further, the diameter of the outer ring of the convex step is larger than that of the second lens.
Further, the first lens is made of a high-refractive-index glass material.
Further, the second lens is made of a high-refractive-index glass material.
The utility model has the advantages that: it is right from the foregoing to the utility model discloses a description can know, compared with the prior art, the utility model discloses a bonding lens structure includes first lens and second lens, bonding face through first lens and the bonding face cooperation of second lens are in the same place first lens and second lens bonding, the bonding face of first lens is the concave surface, the bonding face of second lens is the convex surface, the bonding face periphery of first lens is provided with round protruding step, make the second lens be located protruding step, man-hour, the effectual second lens of having protected of boss step, prevent that the second lens from breaking, the yields of product is improved, and, fine control the distance of the summit height to the bonding platform of back second lens of bonding, can better control the tolerance, the tolerance range keeps in a less scope, the whole precision of product has improved a lot, ensure that the product satisfies the cooperation required precision, improve product quality.
Drawings
Fig. 1 is a schematic cross-sectional view of a bonded lens structure according to a preferred embodiment of the present invention;
reference numerals are as follows: 1. a first lens; 2. a second lens; 11. and (4) a convex step.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the preferred embodiment of the present invention is a bonded lens structure, which includes a first lens 1 and a second lens 2, the first lens 1 and the second lens 2 are bonded together, the bonding surface of the first lens 1 is matched with the bonding surface of the second lens 2, the bonding surface of the first lens 1 is a concave surface, the bonding surface of the second lens 2 is a convex surface, and a circle of convex step 11 is disposed on the periphery of the bonding surface of the first lens 1.
The utility model discloses a bonding lens structure includes first lens 1 and second lens 2, bonding face through first lens 1 and second lens 2 bonds first lens 1 and second lens 2 together, bonding face of first lens 1 is the concave surface, bonding face of second lens 2 is the convex surface, bonding face periphery of first lens 1 is provided with round protruding step 11, make second lens 2 be arranged in protruding step 11, man-hour, the effectual second lens 2 of having protected of boss step 11, prevent that second lens 2 from breaking, the yields of improvement product, and, fine control the distance that the summit height of second lens 2 reaches the bonding platform after the bonding, can control the tolerance better, the tolerance range keeps in a less scope, the whole precision of product has improved a lot, ensure that the product satisfies the cooperation required precision, improve product quality.
As a preferred embodiment of the present invention, it may also have the following additional technical features:
in this embodiment, the height of the protruding step 11 is 0.15-1mm, the width of the protruding step 11 is 0.1-1mm, the diameter of the inner ring of the protruding step 11 is 3-20mm, and the diameter of the outer ring of the protruding step 11 is 3.1-21mm. The height, the width, the inner ring diameter and the outer ring diameter of the convex step 11 are determined according to the structures of the first lens 1 and the second lens 2, the given value range is a value which can meet the production precision in the specific production process, the processing precision of the convex step 11 is in a controllable range in the range, and the processing precision of the convex step 11 cannot be guaranteed when the processing precision exceeds the range.
In this embodiment, the overall thickness tolerance of the bonded lens structure is within ± 0.01mm. The utility model discloses the whole thickness tolerance range of the bonding lens structure that obtains after bonding is 0.01mm, and this tolerance range belongs to the higher scope of machining precision, compares in the tolerance range before improving, and whole machining precision has improved 4-6 times, has improved product quality by a wide margin.
In this embodiment, the outer diameter of the convex step 11 is larger than the diameter of the second lens 2. During machining, the step 11 serves as a peripheral support for the second lens 2, and therefore the outer diameter of the step 11 is larger than the diameter of the second lens 2.
In this embodiment, the first lens 1 is made of a high refractive index glass material, and the second lens 2 is made of a high refractive index glass material. Adopt the bonding lens structure after first lens 1 and the bonding of second lens 2 that high refractive index glass material made, can use on high pixel lens, the utility model discloses a machining precision also accords with the requirement of high pixel lens completely.
The above additional technical features can be freely combined and used in addition by those skilled in the art without conflict.
It is to be understood that the present invention has been described with reference to certain embodiments and that various changes or equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention as defined by the appended claims. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (9)
1. A bonded lens structure, characterized by: including first lens (1) and second lens (2), first lens (1) and second lens (2) bond together, the bonding face of first lens (1) and the bonding face cooperation of second lens (2), the bonding face of first lens (1) is the concave surface, the bonding face of second lens (2) is the convex surface, the bonding face periphery of first lens (1) is provided with round protruding step (11).
2. A bonded lens construction according to claim 1, wherein: the height of the convex step (11) is 0.15-1mm.
3. A bonded lens construction according to claim 1, wherein: the width of the convex step (11) is 0.1-1mm.
4. A bonded lens construction according to claim 1, wherein: the diameter of the inner ring of the convex step (11) is 3-20mm.
5. A bonded lens construction according to claim 1, wherein: the diameter of the outer ring of the convex step (11) is 3.1-21mm.
6. A bonded lens construction according to claim 1, wherein: the overall thickness tolerance range of the bonded lens structure is ± 0.01mm.
7. A bonded lens construction according to claim 1, wherein: the diameter of the outer ring of the convex step (11) is larger than that of the second lens (2).
8. A bonded lens construction according to claim 1, wherein: the first lens (1) is made of a high-refractive-index glass material.
9. A bonded lens construction according to claim 1, wherein: the second lens (2) is made of a high-refractive-index glass material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220982274.5U CN217739589U (en) | 2022-04-26 | 2022-04-26 | Bonded lens structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220982274.5U CN217739589U (en) | 2022-04-26 | 2022-04-26 | Bonded lens structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217739589U true CN217739589U (en) | 2022-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220982274.5U Active CN217739589U (en) | 2022-04-26 | 2022-04-26 | Bonded lens structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217739589U (en) |
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2022
- 2022-04-26 CN CN202220982274.5U patent/CN217739589U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221226 Address after: 330096 No. 1699, Jingdong Avenue, Nanchang high tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Lianchuang Electronic Technology Co.,Ltd. Address before: 330096 no.1699 Jingdong Avenue, high tech Zone, Nanchang City, Jiangxi Province Patentee before: JIANGXI LIANCHUANG ELECTRONIC Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230109 Address after: 230088 A2-06, Floor 14, Block A, Building J1, Phase II, Innovation Industrial Park, No. 2800, Innovation Avenue, High tech Zone, Hefei, China (Anhui) Pilot Free Trade Zone, Hefei, Anhui Province Patentee after: Hefei Lianchuang Optical Co.,Ltd. Address before: 330096 No. 1699, Jingdong Avenue, Nanchang high tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee before: Lianchuang Electronic Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |