CN212989694U

CN212989694U - Optical lens and lens

Info

Publication number: CN212989694U
Application number: CN202021753710.9U
Authority: CN
Inventors: 张变; 张芳; 戴付建; 赵烈烽
Original assignee: Zhejiang Sunny Optics Co Ltd
Current assignee: Zhejiang Sunny Optics Co Ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-16
Anticipated expiration: 2030-08-20

Abstract

The utility model relates to an optical lens piece and camera lens, wherein, optical lens piece, include: an optically active portion (11) and a non-optically active portion (12) surrounding the optically active portion (11); the two opposite sides of the non-optical effective part (12) are respectively provided with a trimming part (13); a first support structure (14) and a second support structure (15) are respectively arranged on the object side surface and the image side surface of the non-optical effective part (12) corresponding to the edge cutting part (13); the first support structure (14) and the second support structure (15) are connected to the optically effective portion (11) at one end and to the cut-edge portion (13) at the other end, respectively. The utility model provides an optical lens piece with dysmorphism structure, its side cut part has and holds and leans on the structure, can reduce the assemblage degree of difficulty, improves the production yield, effectively promotes product quality.

Description

Optical lens and lens

Technical Field

The utility model relates to the field of optical technology, especially, relate to an optical lens piece and camera lens.

Background

With the rapid development of science and technology, people have higher and higher requirements on the photographing quality of mobile phones. The telephoto lens is a new trend in the current industry, but in order to meet higher and higher requirements of the market, more and more telephoto lenses adopt unconventional special-shaped structures. In particular, the use of partial or complete optical lens trimming and the like is challenging to process, assemble and mold. In particular, in the assembling process, the optical lens with the edge-cutting structure often has the problems of poor assembling and large assembling deformation, thereby reducing the yield.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical lens piece and camera lens solve the high problem of the assemblage degree of difficulty.

In order to achieve the above object, the present invention provides an optical lens, including: an optically active portion and a non-optically active portion surrounding the optically active portion;

the two opposite sides of the non-optical effective part are respectively provided with a trimming part;

a first supporting structure and a second supporting structure are respectively arranged on the object side surface and the image side surface of the non-optical effective part corresponding to the edge cutting part;

one end of the first supporting structure and one end of the second supporting structure are respectively connected with the optical effective part, and the other ends of the first supporting structure and the second supporting structure are respectively connected with the edge cutting part.

According to an aspect of the present invention, the first supporting structure and the second supporting structure respectively include at least one flat portion perpendicular to the optical axis.

According to an aspect of the present invention, the edge cutting portion includes a first edge cutting surface and a second edge cutting surface sequentially connected in an object-side to image-side direction;

the first cutting edge face and the second cutting edge face are connected with each other at an included angle.

According to an aspect of the utility model, first tangential plane with contained angle between the optical axis of optical lens piece is theta 1, second tangential plane with contained angle between the optical axis of optical lens piece is theta 2, then satisfies: theta 1 is more than or equal to 5 degrees and less than or equal to 60 degrees, and theta 2 is more than or equal to 10 degrees and less than or equal to 60 degrees.

According to an aspect of the invention, along the optical axis direction of the optical lens, the distance between the planar portion in the first support structure (14) and the planar portion in the second support structure is a1, then it satisfies: a1 is more than or equal to 0.05mm and less than or equal to 1.0 mm;

in a direction perpendicular to the optical axis of the optical lens, a width of the planar portion in the first support structure is b1, a width of the planar portion in the second support structure is c1, and a maximum outer diameter between the cut-off portions on the optically inactive portion is Dx, then: b1 is more than or equal to 0.05mm and less than or equal to 1.0mm, and c1/Dx is more than or equal to 0.01 and less than or equal to 0.15.

According to an aspect of the present invention, on the non-optical effective portion the first effective diameter of the object side between the cut edge portions is dx1, like the first effective diameter of the side is dx2, then: dx/max (Dx1, Dx2) is not less than 1.0 and not more than 3.0, and Dx is not less than 1.5mm and not more than 14.5 mm.

According to the utility model discloses an aspect in still have the relative non-side cut part that sets up on the non-optical effective part, then along perpendicular with the direction of optical axis of optical lens, the biggest external diameter between the non-side cut part is Dy the effective footpath of thing side second between the non-side cut part is Dy1, and like the side second and imitate the footpath and be Dy2, then satisfy: dx1/Dy1 is more than or equal to 0.5 and less than or equal to 1.0, Dx2/Dy2 is more than or equal to 0.5 and less than or equal to 1.0, and Dx/Dy is more than or equal to 0.5 and less than or equal to 1.0.

According to one aspect of the present invention, there is also a non-trimmed portion disposed opposite to the non-optically effective portion, and a third supporting structure and a fourth supporting structure are disposed on the object side surface and the image side surface of the non-optically effective portion, respectively, corresponding to the non-trimmed portion;

the third support structure and the fourth support structure each include at least one planar portion perpendicular to the optical axis.

According to an aspect of the invention, the distance between the planar portion in the first support structure and the planar portion in the second support structure in the direction of the optical axis of the optical lens is a 1;

the distance between the planar portion of the third support structure and the planar portion of the fourth support structure is a 2;

the distance between the intersection point of the object side surface of the optical lens and the optical axis and the plane part of the first supporting structure is e1, and the distance between the intersection point of the image side surface of the optical lens and the optical axis and the plane part of the second supporting structure is m 1;

the distance between the intersection point of the object side surface of the optical lens and the optical axis and the plane part of the third supporting structure is e2, and the distance between the intersection point of the image side surface of the optical lens and the optical axis and the plane part of the fourth supporting structure (19) is m 2;

then:

when a1 is a2, e1 is e2 and m1 is m 2;

when a2 > a1, e2 > e1 and m2 > m1, or e2 > e1 and m1 ═ m2, or e1 ═ e2 and m2 > m 1;

when a2 < a1, e2 < e1 and m2 < m1, or e2 < e1 and m1 ═ m2, or e1 ═ e2 and m2 < m 1.

In order to achieve the above object, the present invention provides a lens with the above optical lens, including:

a plurality of optical lenses, at least half of the number of the optical lenses being the optical lenses;

a lens barrel for mounting the optical lens;

a space ring;

and the pressing ring is used for fixing the optical lens.

According to an aspect of the present invention, the optical lens is disposed at a position of the third to the last optical lens in a direction from the object side to the image side.

According to an aspect of the invention, the optical lenses are all the optical lenses.

According to an aspect of the present invention, the spacer ring is selectively disposed between the adjacent optical lenses, and the pressing ring is disposed between the adjacent optical lenses.

According to the utility model discloses a scheme, the utility model provides an optical lens piece with dysmorphism structure, its side cut part has and holds and leans on the structure, can reduce the assemblage degree of difficulty, improves the production yield, effectively promotes product quality.

According to the utility model discloses a scheme, the utility model discloses an optical lens piece is through setting up to axisymmetric structure for the control is changed to whole optical lens piece's structure precision, and is favorable to choosing and setting of locating position, has made things convenient for the assemblage of whole optical lens piece. Wherein, effectual occupation space area who has reduced optical lens like this in radial direction through setting up the side cut part, and then can realize its assemblage in less space, simultaneously, set up and the side cut part has still played the time and the process of reducing and differentiateing lens assemblage direction when preventing slow-witted effect through the symmetry, very big improvement assemblage efficiency. Furthermore, set up supporting structure in the position of side cut part and realized the utility model discloses an optical lens piece's supporting location has played necessary assurance to reaching the high accuracy assemblage of lens, and then adopts to improving the utility model discloses an optical lens piece's camera lens's imaging quality is favorable.

According to the utility model discloses a scheme, through the aforesaid setting, this plane part is connected with the optics effective part directly through first connection face 16a and second connection face 16b respectively, and not only its processing is simple, helps controlling its shaping precision moreover, and is favorable to improving the assemblage stability of lens. Simultaneously, still be convenient for the integrated into one piece of lens, the design of the lens coating anchor clamps of being convenient for and improve the problem that the bushing was cuted to the side cut lens.

According to the utility model discloses a scheme constitutes the lateral surface of side cut part through setting to the setting of two crossing planes, is favorable to the drawing of patterns of lens in the integrated into one piece in-process, and is favorable to the machining precision of guaranteeing the fine work and the quality that improves the lens. Further, by setting the distribution ratio of the widths of the first and second chamfered

surfaces

131 and 132 in the optical axis direction, it is also possible to achieve an advantage in suppressing the influence of internal stray light. In addition, still can realize preventing slow-witted effect to the lens, improve its installation effectiveness at the assemblage process.

According to the utility model discloses a scheme, through the aforesaid setting, with the inclination setting of first tangential plane and second tangential plane in above-mentioned within range, not only be favorable to the lens drawing of patterns, produced stray light in still the favourable suppression light path is beneficial to improving the imaging quality of lens.

According to the utility model discloses a scheme is favorable to guaranteeing the structural stability and the structural strength of whole optical lens piece, can make the utility model discloses an optical lens piece is even at the whole circle atress of assemblage in-process lens, and then warp profitably to reducing the assemblage, has guaranteed its imaging quality.

According to the utility model discloses a scheme has effectively realized reducing under the circumstances of lens volume, has still effectively guaranteed the formation of image quality of lens, and especially to guaranteeing that the light flux of formation of image in-process lens is favorable.

Drawings

Fig. 1 is a perspective view schematically illustrating an object side of an optical lens according to an embodiment of the present invention;

fig. 2 is a perspective view schematically showing an image side of an optical lens according to an embodiment of the present invention;

fig. 3 is a cross-sectional view schematically showing an optical lens perpendicular to a cut edge portion according to an embodiment of the present invention;

fig. 4 and 5 are cross-sectional views schematically showing an optical lens perpendicular to a cut edge portion according to an embodiment of the present invention;

fig. 6 and 7 are cross-sectional views schematically illustrating an optical lens perpendicular to a non-edged portion according to an embodiment of the present invention;

fig. 8 is a cross-sectional view schematically illustrating an optical lens perpendicular to a cut edge portion according to an embodiment of the present invention;

FIG. 9 is a partial enlarged view of the portion A in FIG. 8;

fig. 10 is a cross-sectional view schematically showing an optical lens perpendicular to a cut edge portion according to another embodiment of the present invention;

FIG. 11 is a partial enlarged view of the position B in FIG. 10;

fig. 12 is a cross-sectional view schematically showing an optical lens perpendicular to a cut edge portion according to another embodiment of the present invention;

FIG. 13 is an enlarged partial view of the C position of FIG. 12;

fig. 14 is a cross-sectional view schematically showing an optical lens perpendicular to a cut edge portion according to another embodiment of the present invention;

FIG. 15 is an enlarged partial view of the position D in FIG. 14;

fig. 16 is a cross-sectional view schematically showing an optical lens perpendicular to a cut edge portion according to another embodiment of the present invention;

FIG. 17 is an enlarged partial view of the E position in FIG. 16;

fig. 18 is a sectional view schematically showing a lens barrel according to an embodiment of the present invention, taken perpendicular to a cut-away portion;

fig. 19 is a sectional view schematically showing a lens barrel according to an embodiment of the present invention, taken perpendicular to a non-edge cutting portion.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In describing embodiments of the present invention, the terms "longitudinal," "lateral," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and other terms are used in an orientation or positional relationship shown in the associated drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, which are not repeated herein, but the present invention is not limited to the following embodiments.

Referring to fig. 1, fig. 2 and fig. 3, according to an embodiment of the present invention, the present invention provides an optical lens, including: an optically active portion 11 and a non-optically active portion 12 surrounding the optically active portion 11. In the present embodiment, the cut edge portions 13 are provided on opposite sides of the non-optically effective portion 12, respectively. In the present embodiment, the first support structure 14 and the second support structure 15 are provided on the object-side surface and the image-side surface of the non-optically effective portion 12 corresponding to the cut-out portion 13, respectively; i.e. on the object side of the non-optically active portion 12, the first support structure 14 is arranged in a position corresponding to the cut-out portion 13, and on the image side of the non-optically active portion 12, the second support structure 15 is arranged in a position corresponding to the cut-out portion 13. In the present embodiment, the first supporting structure 14 is connected at one end to the optically effective portion 11 and at the other end to the cut-out portions 13, respectively. In the present embodiment, the first support structure 14 is connected to the optically effective portion 11 through the first connection face 16 a. In the present embodiment, the second support structure 15 is connected at one end to the optically effective portion 11 and at the other end to the cut-out portion 13. In the present embodiment, the second support structure 15 is connected to the optically effective portion 11 through the second connection face 16 b.

In the present embodiment, the optical lens has an axisymmetric structure.

Through the setting, the utility model discloses an optical lens piece is through setting up to axisymmetric structure for control is changeed to whole optical lens piece's structure precision, and is favorable to choosing and setting of locate position, has made things convenient for the assemblage of whole optical lens piece. Wherein, effectual occupation space area who has reduced optical lens like this in radial direction through setting up the side cut part, and then can realize its assemblage in less space, simultaneously, set up and the side cut part has still played the time and the process of reducing and differentiateing lens assemblage direction when preventing slow-witted effect through the symmetry, very big improvement assemblage efficiency. Furthermore, set up supporting structure in the position of side cut part and realized the utility model discloses an optical lens piece's supporting location has played necessary assurance to reaching the high accuracy assemblage of lens, and then adopts to improving the utility model discloses an optical lens piece's camera lens's imaging quality is favorable.

Referring to fig. 1, 2 and 3, according to an embodiment of the present invention, the first support structure 14 and the second support structure 15 respectively include at least one flat portion perpendicular to the optical axis o. In the present embodiment, when the flat surface portion is one, it may be directly provided as one flat surface. With the above arrangement, the plane portion is directly connected to the optically effective portion through the first connecting surface 16a and the second connecting surface 16b, respectively, which not only facilitates the processing, but also facilitates the control of the molding accuracy, and is advantageous for improving the assembling stability of the lens. Simultaneously, still be convenient for the integrated into one piece of lens, the design of the lens coating anchor clamps of being convenient for and improve the problem that the bushing was cuted to the side cut lens. Of course, the first support structure 14 and the second support structure 15 may also include a plurality of planar portions (e.g., stepped surfaces) perpendicular to the optical axis o, respectively.

Referring to fig. 1, 2 and 3, according to an embodiment of the present invention, the edge cutting portion 13 includes a first edge cutting surface 131 and a second edge cutting surface 132 sequentially connected in an object-side to image-side direction. In the present embodiment, the first and second cut surfaces 131 and 132 are connected to each other at an included angle.

Through the arrangement, the outer side surfaces of the edge cutting parts are formed by the arrangement of two intersecting planes, so that the demolding of the lens in the integral forming process is facilitated, and the processing precision of a fine product is ensured and the quality of the lens is improved. Further, by setting the distribution ratio of the widths of the first and second

chamfered surfaces

With reference to fig. 1, fig. 2, fig. 3 and fig. 4, according to an embodiment of the present invention, an included angle between the first chamfered surface 131 and the optical axis of the optical lens is θ 1, and an included angle between the second chamfered surface 132 and the optical axis of the optical lens is θ 2, so that: theta 1 is more than or equal to 5 degrees and less than or equal to 60 degrees, and theta 2 is more than or equal to 10 degrees and less than or equal to 60 degrees.

Through the arrangement, the inclination angles of the first and second trimming surfaces are arranged in the range, so that the demolding of the lens is facilitated, the stray light generated in a light path is favorably inhibited, and the imaging quality of the lens is improved.

With reference to fig. 1, 4 and 5, according to an embodiment of the present invention, the distance between the planar portion in the first supporting structure 14 and the planar portion in the second supporting structure 15 along the optical axis direction of the optical lens is a1, which satisfies: a1 is more than or equal to 0.05mm and less than or equal to 1.0 mm. In the present embodiment, in the direction perpendicular to the optical axis o of the optical lens, the width of the flat portion in the first support structure 14 is b1, the width of the flat portion in the second support structure 15 is c1, and the maximum outer diameter between the cut-off portions 13 on the optically ineffective portion 12 is Dx, then: b1 is more than or equal to 0.05mm and less than or equal to 1.0mm, and c1/Dx is more than or equal to 0.01 and less than or equal to 0.15.

Through the aforesaid setting, be favorable to guaranteeing the structural stability and the structural strength of whole optical lens piece, can make the utility model discloses an optical lens piece is even at the whole circle atress of assemblage in-process lens, and then warp profitably to reducing the assemblage, has guaranteed its imaging quality.

With reference to fig. 1, 2 and 4, according to an embodiment of the present invention, the object-side first effective diameter between the edge cutting portions 13 on the non-optical effective portion 12 is dx1, and the side first effective diameter is dx2, which satisfies: dx/max (Dx1, Dx2) is not less than 1.0 and not more than 3.0, and Dx is not less than 1.5mm and not more than 14.5 mm.

Through the arrangement, under the condition of effectively reducing the volume of the lens, the imaging quality of the lens is effectively ensured, and especially, the light transmission amount of the lens in the imaging process is ensured to be favorable.

With reference to fig. 1, 2, 4 and 6, according to an embodiment of the present invention, the non-edge-cutting part 17 is disposed on the non-optical effective part 12, and the maximum outer diameter between the non-edge-cutting parts 17 is Dy along the direction perpendicular to the optical axis of the optical lens, the second effective diameter on the object side between the non-edge-cutting parts 17 is Dy1, and the second effective diameter on the image side is Dy2, so that the following requirements are satisfied: dx1/Dy1 is more than or equal to 0.5 and less than or equal to 1.0, Dx2/Dy2 is more than or equal to 0.5 and less than or equal to 1.0, and Dx/Dy is more than or equal to 0.5 and less than or equal to 1.0.

Referring to fig. 1 and 2, according to an embodiment of the present invention, the outer side of the non-trimmed portion 17 is also formed by connecting two first side surfaces 121 and second side surfaces 122 connected at an included angle, and the first side surfaces 121 and the first trimmed surfaces 131 are connected end to form a part of the outer side of the whole optical lens. Similarly, the second side surface 122 and the second cut surface 132 are connected end to form another part of the outer side surface of the entire optical lens. Through the arrangement, the demolding of the whole lens is further ensured, and the imaging quality of the whole lens is improved.

As shown in fig. 1 and 2, according to an embodiment of the present invention, the non-optically effective portion 12 further has a non-edge cutting portion 17 disposed opposite to each other, and a third supporting structure 18 and a fourth supporting structure 19 are disposed on the object side surface and the image side surface of the non-optically effective portion 12 corresponding to the non-edge cutting portion 17, respectively. In the present embodiment, each of the third support structure 18 and the fourth support structure 19 includes at least one planar portion perpendicular to the optical axis. In the present embodiment, when the flat surface portion is one, it may be directly provided as one flat surface. Through the arrangement, the plane part is directly connected with the optical effective part through the third connecting surface and the fourth connecting surface respectively, so that the processing is simple, the forming precision is favorably controlled, and the assembling stability of the lens is favorably improved. Simultaneously, still be convenient for the integrated into one piece of lens, the design of the lens coating anchor clamps of being convenient for and improve the problem that the bushing was cuted to the side cut lens. Of course, the third support structure 18 and the fourth support structure 19 may also include a plurality of planar portions (e.g., stepped surfaces) perpendicular to the optical axis o, respectively.

In this embodiment, the third support structure may be integral with the first support structure and the fourth support structure may be integral with the second support structure.

As shown in fig. 5 and 7, according to an embodiment of the present invention, the distance between the planar portion of the first supporting structure 14 and the planar portion of the second supporting structure 15 along the optical axis direction of the optical lens is a 1; the distance between the planar portion of the third support structure 18 and the planar portion of the fourth support structure 19 is a 2;

the distance between the intersection point of the object side surface of the optical lens and the optical axis and the plane part of the first supporting structure 14 in the optical axis direction is e1, and the distance between the intersection point of the image side surface of the optical lens and the optical axis and the plane part of the second supporting structure 15 is m 1;

the distance between the intersection point of the object side surface of the optical lens and the optical axis and the plane part of the third supporting structure 18 is e2, and the distance between the intersection point of the image side surface of the optical lens and the optical axis and the plane part of the fourth supporting structure 19 is m 2;

then:

when a1 is a2, e1 is e2 and m1 is m2 (see fig. 7, 8 and 9);

when a1 < a2, e2 > e1 and m1 ═ m2 (see fig. 7, 10, 11), or e1 ═ e2 and m2 > m1 (see fig. 7, 12, and 13), or e2 > e1 and m2 > m1 (see fig. 7, 14, and 15);

when a2 < a1, e2 < e1 and m2 < m1 (see fig. 7, 16 and 17), or e2 < e1 and m1 ═ m2, or e1 ═ e2 and m2 < m 1.

As shown in fig. 18 and 19, according to an embodiment of the present invention, the present invention provides a lens barrel with the aforementioned optical lens, including: a plurality of optical lenses, a lens barrel 2 for mounting the optical lenses, a spacer 3, and a pressing ring 4 for fixing the optical lenses. In the present embodiment, five optical lenses (P1, P2, P3, P4, P5) are provided, and the aforementioned optical lens 1 is used for at least half the number of the five optical lenses (P1, P2, P3, P4, P5), that is, the optical lens 1 is provided with three or more optical lenses in the present embodiment.

Referring to fig. 18 and 19, according to an embodiment of the present invention, the optical lens 1 is disposed at a position of the third to the last optical lens along the object-side to image-side direction. In this embodiment, the optical lens (P3, P4, P5) may be disposed as the optical lens 1 in the object-to-image direction.

Referring to fig. 18 and 19, according to an embodiment of the present invention, all of the optical lenses are the optical lenses 1. In the present embodiment, an optical lens (P1, P2, P3, P4, P5) may be provided as the optical lens 1.

Referring to fig. 18 and 19, according to an embodiment of the present invention, the spacer 3 is selectively disposed between adjacent optical lenses and between the pressing ring 4 and the optical lenses. In the present embodiment, the spacer 3 is disposed between the optical lenses P1 and P2, between P3 and P4, and the spacer 3 is disposed between the optical lens P2 and the pressure ring 4, between the optical lens P4 and the pressure ring 4, and between the pressure ring 4 and the optical lens P5. It is to be noted that, when the pressing ring 4 is provided between adjacent optical lenses, the spacer 3 does not contact the optical lenses at a position corresponding to the edge-cut portion 13 (see fig. 2 and 18) and the spacer 3 contacts the optical lenses at a position corresponding to the non-edge-cut portion 17 (see fig. 2 and 19) due to the edge-cut portion 13.

For further detailed description of the present invention, the present invention is exemplified by the accompanying drawings.

The utility model discloses an optical lens piece, include: an optically active portion 11 and a non-optically active portion 12 surrounding the optically active portion 11. In the present embodiment, the cut edge portions 13 are provided on opposite sides of the non-optically effective portion 12, respectively. In the present embodiment, the first support structure 14 and the second support structure 15 are provided on the object-side surface and the image-side surface of the non-optically effective portion 12 corresponding to the cut-out portion 13, respectively. The first supporting structure 14 is connected at one end to the optically effective portion 11 and at the other end to the cut-out portions 13, respectively. The second support structure 15 is connected at one end to the optically operative portion 11 and at the other end to the cut-out portion 13.

In the present embodiment, the optical lens has an axisymmetric structure.

According to an embodiment of the present invention, the first support structure 14 and the second support structure 15 each comprise at least one planar portion perpendicular to the optical axis o. In the present embodiment, when the flat surface portion is one, it may be directly provided as one flat surface.

In the present embodiment, the trimming portion 13 includes a first trimming surface 131 and a second trimming surface 132 that are connected in order in the object-side to image-side direction. In this embodiment, the first tangential surface 131 and the second tangential surface 132 are connected with each other at an included angle, and the included angle between the first tangential surface 131 and the optical axis of the optical lens is θ 1, and the included angle between the second tangential surface 132 and the optical axis of the optical lens is θ 2, so that: theta 1 is more than or equal to 5 degrees and less than or equal to 60 degrees, and theta 2 is more than or equal to 10 degrees and less than or equal to 60 degrees.

In the present embodiment, the distance between the planar portion in the first support structure 14 and the planar portion in the second support structure 15 in the optical axis direction of the optical lens is a1, and is set as follows: a1 is 0.20 mm.

In the present embodiment, in the direction perpendicular to the optical axis o of the optical lens, the width of the flat portion in the first support structure 14 is b1, the width of the flat portion in the second support structure 15 is c1, and the maximum outer diameter between the cut-off portions 13 on the optically ineffective portion 12 is Dx and is set as: b1 is 0.25mm, c1/Dx is 0.04.

In the present embodiment, the object-side first effective diameter between the edge-cut portions 13 on the non-optically effective portion 12 is dx1, and the image-side first effective diameter is dx2, which are set as: dx/max (Dx1, Dx2) 1.20; dx is 5.54 mm.

In the present embodiment, the non-optically effective portion 12 further includes the non-edge-cut portions 17 disposed opposite to each other, and the maximum outer diameter between the non-edge-cut portions 17 is Dy, the second effective diameter on the object-side surface between the non-edge-cut portions 17 is Dy1, and the second effective diameter on the image-side surface is Dy2, in the direction perpendicular to the optical axis of the optical lens, and the non-edge-cut portions are disposed such that: dx1/Dy1 is 0.80, Dx2/Dy2 is 0.81, and Dx/Dy is 0.74.

The foregoing is merely exemplary of embodiments of the present invention and reference should be made to the apparatus and structures herein not described in detail as it is known in the art to practice the same in general equipment and general methods.

The above description is only one embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An optical lens, comprising: an optically active portion (11) and a non-optically active portion (12) surrounding the optically active portion (11);

the two opposite sides of the non-optical effective part (12) are respectively provided with a trimming part (13);

a first support structure (14) and a second support structure (15) are respectively arranged on the object side surface and the image side surface of the non-optical effective part (12) corresponding to the edge cutting part (13);

the first support structure (14) and the second support structure (15) are connected to the optically effective portion (11) at one end and to the cut-edge portion (13) at the other end, respectively.

2. The optical lens according to claim 1, characterized in that the first support structure (14) and the second support structure (15) each comprise at least one planar portion perpendicular to the optical axis.

3. The optical lens according to claim 1 or 2, characterized in that the edging section (13) comprises a first edging surface (131) and a second edging surface (132) connected in succession in an object-to-image direction;

the first and second chamfered surfaces (131, 132) are connected to each other at an included angle.

4. The optical lens according to claim 3, wherein the angle between the first tangential surface (131) and the optical axis of the optical lens is θ 1, and the angle between the second tangential surface (132) and the optical axis of the optical lens is θ 2, then: theta 1 is more than or equal to 5 degrees and less than or equal to 60 degrees, and theta 2 is more than or equal to 10 degrees and less than or equal to 60 degrees.

5. The optical lens according to claim 2, characterized in that the distance between the planar portion in the first support structure (14) and the planar portion in the second support structure (15) in the direction of the optical axis of the optical lens is a1, which satisfies: a1 is more than or equal to 0.05mm and less than or equal to 1.0 mm;

a width of the planar portion in the first support structure (14) in a direction perpendicular to the optical axis of the optical lens is b1, a width of the planar portion in the second support structure (15) is c1, and a maximum outer diameter between the cut-out portions (13) on the optically inactive portion (12) is Dx, then: b1 is more than or equal to 0.05mm and less than or equal to 1.0mm, and c1/Dx is more than or equal to 0.01 and less than or equal to 0.15.

6. The optical lens according to claim 5, characterized in that the object-side first effective diameter between the cut-out portions (13) on the non-optically active portion (12) is dx1, the image-side first effective diameter being dx2, then: dx/max (Dx1, Dx2) is not less than 1.0 and not more than 3.0, and Dx is not less than 1.5mm and not more than 14.5 mm.

7. The optical lens according to claim 6, characterized in that there are also oppositely disposed non-edged portions (17) on the non-optically active portion (12), such that in a direction perpendicular to the optical axis of the optical lens, the maximum outer diameter between the non-edged portions (17) is Dy, the object-side second effective diameter between the non-edged portions (17) is Dy1, and the image-side second effective diameter is Dy2, which satisfy: dx1/Dy1 is more than or equal to 0.5 and less than or equal to 1.0, Dx2/Dy2 is more than or equal to 0.5 and less than or equal to 1.0, and Dx/Dy is more than or equal to 0.5 and less than or equal to 1.0.

8. The optical lens according to claim 2 or 7, characterized in that there is also an oppositely disposed non-edged portion (17) on the non-optically active portion (12), and in that there are provided a third support structure (18) and a fourth support structure (19) corresponding to the non-edged portion (17) on the object-side and image-side surfaces of the non-optically active portion (12), respectively;

the third support structure (18) and the fourth support structure (19) each comprise at least one planar portion perpendicular to the optical axis.

9. The optical lens according to claim 8, characterized in that the distance between a planar portion in the first support structure (14) and a planar portion in the second support structure (15) in the direction of the optical axis of the optical lens is a 1;

-the distance between the planar portion of the third support structure (18) and the planar portion of the fourth support structure (19) is a 2;

the distance between the intersection point of the object side surface of the optical lens and the optical axis and the plane part of the first supporting structure (14) is e1, and the distance between the intersection point of the image side surface of the optical lens and the optical axis and the plane part of the second supporting structure (15) is m 1;

the distance between the intersection point of the object side surface of the optical lens and the optical axis and the plane part of the third supporting structure (18) in the optical axis direction is e2, and the distance between the intersection point of the image side surface of the optical lens and the optical axis and the plane part of the fourth supporting structure (19) is m 2;

then:

when a1 is a2, e1 is e2 and m1 is m 2;

10. A lens barrel having the optical lens of any one of claims 1 to 9, comprising:

a plurality of optical lenses, at least half of the number of said optical lenses being said optical lenses (1);

a lens barrel (2) for mounting the optical lens;

a space ring (3);

and the pressing ring (4) is used for fixing the optical lens.

11. Lens barrel according to claim 10, wherein the optical lens (1) is optionally disposed at the third to last optical lens in the object-to-image direction.

12. Lens barrel according to claim 10, characterized in that the optical lenses are all the optical lenses (1).

13. Lens barrel according to any one of claims 10 to 12, characterized in that the spacer ring (3) is optionally provided between adjacent optical lenses, between the pressing ring (4) and the optical lenses.