CN217506231U - Optical lens easy to glue - Google Patents
Optical lens easy to glue Download PDFInfo
- Publication number
- CN217506231U CN217506231U CN202220692358.5U CN202220692358U CN217506231U CN 217506231 U CN217506231 U CN 217506231U CN 202220692358 U CN202220692358 U CN 202220692358U CN 217506231 U CN217506231 U CN 217506231U
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- lens
- annular
- glue
- optical lens
- convex surface
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Abstract
The utility model provides an optical lens piece of easy veneer includes first lens, second lens from the thing side to the formation of image side in proper order, first lens with connect through glue between the second lens, first lens has first income plain noodles and first play plain noodles, first play plain noodles has set gradually aspheric surface shape convex surface, annular concave surface, first annular plane along the outside orientation of following of geometric centre, the second lens has second income plain noodles and second play plain noodles, the second income plain noodles has set gradually first concave surface, first annular convex surface along the outside orientation of following of geometric centre, second goes out the plain noodles and has set gradually second concave surface, second annular convex surface, second annular plane along the geometric centre outside orientation, first annular plane, second annular plane and the one end of glue all is on same horizontal plane. The utility model discloses an optical lens piece can solve traditional optical lens piece and appear the condition of cull in the veneer in-process, has guaranteed product quality.
Description
Technical Field
The utility model relates to an optical lens piece technical field, concretely relates to optical lens piece of easy veneer.
Background
In order to correct the aberration and chromatic aberration of the optical lens, a plurality of optical lenses are usually cemented into a cemented lens to solve the problem. The cemented lens is formed by bonding two optical lenses together, and corrects aberration and chromatic aberration of the optical system. Among the prior art, because optical lens is mostly non-planar lens, at the veneer in-process, the ubiquitous eccentric bad problem that influences optical lens resolution after bonding is difficult to guarantee stable and higher product yield, produces the excessive glue easily in the veneer in-process moreover, and the glue that overflows glues and glues on the income plain noodles of sticking optical lens or play plain noodles easily, is difficult to strike off, strikes off unclean easy residual glue, influences its optical characteristic after the glue solidification.
SUMMERY OF THE UTILITY MODEL
To above problem, the utility model provides an optical lens piece of easy veneer can solve traditional optical lens piece and appear the condition of incomplete glue at the veneer in-process, has guaranteed product quality.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides an optical lens of easy veneer, includes first lens, second lens from the thing side to the formation of image side in proper order, first lens with connect through glue between the second lens, first lens have by the first income plain noodles of thing side and by the first play plain noodles to the formation of image side, first play plain noodles has set gradually aspheric shape convex surface, annular concave surface, first annular plane along the outside orientation in geometric centre, the second lens has by the second income plain noodles of thing side and by the second play plain noodles to the formation of image side, the second income plain noodles has set gradually first concave surface, first annular convex surface along the outside orientation in geometric centre, annular concave surface with be formed with the clearance groove between the first annular convex surface, glue is filled in the clearance groove, the second goes out the plain noodles and has set gradually second concave surface, first annular convex surface along the outside orientation in geometric centre in the second go out the plain noodles, The glue sealing device comprises a second annular convex surface and a second annular plane, wherein the first annular plane, the second annular plane and one end of the glue are all on the same horizontal plane.
Specifically, the first light incident surface is sequentially provided with a third concave surface and a third annular convex surface along the direction from the geometric center to the outer edge.
Specifically, the first annular convex surface, the second annular convex surface and the third annular convex surface are aspheric surfaces.
Specifically, the radii of curvature of the annular concave surface and the first annular convex surface are respectively R1 and R2, and the optical lens satisfies the following conditions: r2 < R1.
Specifically, the first lens and the second lens are both resin lenses.
The utility model has the advantages that:
the utility model discloses an optical lens piece, with first annular plane, second annular plane designs into both structures at same horizontal plane, and keep away the marginal gap in dead slot and be located first annular plane, between the second annular plane, at the veneer in-process, first lens, glue can follow the marginal gap in dead slot and ooze when the second lens pressfitting, because first annular plane, second annular plane designs into both on same horizontal plane, can guarantee the marginal surface leveling of glue during the frictioning, and then avoid the cull, the product quality has been guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of an optical lens of the present invention easy to glue.
The reference signs are: the first lens 1, the first light incident surface 11, the third concave surface 111, the third annular convex surface 112, the first light emitting surface 12, the aspheric convex surface 121, the annular concave surface 122, the first annular plane 123, the second lens 2, the second light incident surface 21, the second light emitting surface 22, the first concave surface 211, the first annular convex surface 212, the second concave surface 221, the second annular convex surface 222, the second annular plane 223, and the glue 3.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
As shown in fig. 1:
an optical lens easy to glue comprises a first lens 1 and a second lens 2 in sequence from an object side to an image side, wherein the first lens 1 and the second lens 2 are connected through glue 3, the first lens 1 is provided with a first light incident surface 11 close to the object side and a first light emergent surface 12 close to the image side, the first light emergent surface 12 is provided with an aspheric convex surface 121, an annular concave surface 122 and a first annular plane 123 in sequence along the geometric center outward direction, the second lens 2 is provided with a second light incident surface 21 close to the object side and a second light emergent surface 22 close to the image side, the second light incident surface 21 is provided with a first concave surface 211 and a first annular convex surface 212 in sequence along the geometric center outward direction, a clearance groove is formed between the annular concave surface 122 and the first annular convex surface 212, the glue 3 is filled in the clearance groove, and the second light emergent surface 22 is provided with a second concave surface 221, a second concave surface 212, a second concave surface and a first annular convex surface 212 in sequence along the geometric center outward direction, The second annular convex surface 222 and the second annular plane 223, one end of the first annular plane 123, one end of the second annular plane 223 and one end of the glue 3 are all on the same horizontal plane, the edge gap of the clearance groove is located between the first annular plane 123 and the second annular plane 223, before gluing, the glue 3 is coated on the first light-emitting surface 12, then the first lens 1 and the second lens 2 are combined in a contraposition mode, then the pressing process is carried out, the glue 3 can seep out along the edge gap of the clearance groove when the first lens 1 and the second lens 2 are pressed, the first annular plane 123 and the second annular plane 223 are designed into structures of the first lens 1 and the second lens 2 on the same horizontal plane, the edge surface of the glue 3 can be guaranteed to be smooth during glue scraping, glue residue is avoided, and the product quality is guaranteed.
Preferably, the first light incident surface 11 is sequentially provided with a third concave surface 111 and a third annular convex surface 112 along a direction from the geometric center to the outside.
Preferably, the first annular convex surface 212, the second annular convex surface 222 and the third annular convex surface 112 are all aspheric.
Preferably, the radii of curvature of the annular concave surface 122 and the first annular convex surface 212 are R1 and R2, respectively, and the optical lens satisfies the following conditions: r2 < R1.
Preferably, the first lens 1 and the second lens 2 are both resin lenses.
The above examples only represent 1 embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. An optical lens easy to glue, sequentially comprising a first lens (1) and a second lens (2) from an object side to an image side, wherein the first lens (1) and the second lens (2) are connected by glue (3), the optical lens is characterized in that the first lens (1) is provided with a first light incident surface (11) close to the object side and a first light emergent surface (12) close to the image side, the first light emergent surface (12) is sequentially provided with an aspheric convex surface (121), an annular concave surface (122) and a first annular plane (123) along a geometric center outward direction, the second lens (2) is provided with a second light incident surface (21) close to the object side and a second light emergent surface (22) close to the image side, the second light incident surface (21) is sequentially provided with a first concave surface (211) and a first annular convex surface (212) along the geometric center outward direction, and a clearance groove is formed between the annular concave surface (122) and the first annular convex surface (212), glue (3) are filled in the clearance groove, a second concave surface (221), a second annular convex surface (222) and a second annular plane (223) are sequentially arranged on the second light emitting surface (22) along the direction from the geometric center to the outside, and the first annular plane (123), the second annular plane (223) and one end of the glue (3) are all on the same horizontal plane.
2. An optical lens easy to glue according to claim 1, characterized in that said first light incident surface (11) is provided with a third concave surface (111) and a third annular convex surface (112) in sequence along the direction from the geometric center to the outside.
3. An optical lens as claimed in claim 2, characterized in that the first (212), the second (222) and the third (112) annular convex surface are aspheric.
4. An optical lens easy to glue according to claim 1, characterized in that said annular concave surface (122), said first annular convex surface (212) have respective radii of curvature R1 and R2, said optical lens satisfying the following conditions: r2 < R1.
5. An optical lens easy to glue according to claim 1, characterized in that said first (1) and second (2) lenses are resin lenses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220692358.5U CN217506231U (en) | 2022-03-28 | 2022-03-28 | Optical lens easy to glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220692358.5U CN217506231U (en) | 2022-03-28 | 2022-03-28 | Optical lens easy to glue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217506231U true CN217506231U (en) | 2022-09-27 |
Family
ID=83347747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220692358.5U Active CN217506231U (en) | 2022-03-28 | 2022-03-28 | Optical lens easy to glue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217506231U (en) |
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2022
- 2022-03-28 CN CN202220692358.5U patent/CN217506231U/en active Active
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