CN215449727U - Optical lens - Google Patents

Abstract

The utility model provides an optical lens, which comprises a first lens module, wherein the first lens module comprises a first lens barrel with a first light through hole and a first lens group accommodated in the first lens barrel, the first lens barrel comprises a first inner wall surface and a first outer wall surface opposite to the first inner wall surface, the first lens group comprises a first lens close to an object side, the first lens comprises an object side surface facing the object side, an image side surface facing the image side and a connecting surface connecting the object side surface and the image side surface, the object side surface comprises an optical portion positioned in the middle and a bearing portion arranged around the optical portion, the object side surface of the bearing portion comprises an arc-shaped surface, and the arc-shaped surface is abutted against the first inner wall surface of the first lens barrel so as to fix the first lens in the first lens barrel. According to the utility model, the lens is positioned through the arc-shaped surface, so that the positioning condition is more moderate, a single product is easier to mold, and the size is smaller.

Description

Optical lens

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of optical imaging, in particular to an optical lens.

[ background of the utility model ]

Nowadays, optical lenses are widely used in various electronic products, such as mobile phones, tablet computers, and the like. With the development of imaging technology and the increasing demand of people for electronic products, optical lenses are becoming more miniaturized.

However, many optical lenses are still limited by the size of the lens and the wall thickness of the lens barrel, and cannot meet the design requirement of miniaturization of the head of the optical lens.

Therefore, it is necessary to provide an optical lens to solve the above technical problems.

[ Utility model ] content

The utility model aims to provide an optical lens, and aims to solve the problems that the conventional optical lens is large in size and easy to deform after being fixed.

The technical scheme of the utility model is as follows:

an optical lens, comprising: the first lens module comprises a first lens barrel with a first light through hole and a first lens group accommodated in the first lens barrel, the first lens barrel comprises a first inner wall surface and a first outer wall surface opposite to the first inner wall surface, the first lens group comprises a first lens close to an object side, the first lens comprises an object side surface facing the object side, an image side surface facing the image side and a connecting surface connecting the object side surface and the image side surface, the object side surface comprises an optical portion located in the middle and a bearing portion arranged around the optical portion, the object side surface of the bearing portion comprises an arc-shaped surface, and the arc-shaped surface is abutted to the first inner wall surface of the first lens barrel so as to fix the first lens in the first lens barrel.

In one embodiment, the arc surface is a circular arc surface.

In one embodiment, the arc-shaped surface is an annular structure formed along the bearing part.

In one embodiment, the connecting surface of the first lens is spaced from the first inner wall surface of the first barrel.

In one embodiment, the connecting surface of the first lens abuts against the first inner wall surface of the first lens barrel.

In one embodiment, the first lens group further includes a second lens disposed on an image side of the first lens, and the first lens and the second lens are cemented together.

In one embodiment, at least one of the first and second lenses is a glass lens.

In one embodiment, the optical lens further includes a second lens module disposed on the image side of the first lens module, the second lens module includes a second lens barrel and a second lens group accommodated in the second lens barrel, the second lens barrel includes a second inner wall surface and a second outer wall surface opposite to the second inner wall surface, the second lens barrel includes an extension arm extending inward from the second inner wall surface, the extension arm enables a first accommodating space facing the object side and a second accommodating space facing the image side to be formed inside the second lens barrel, the second lens group is accommodated in the second accommodating space, and the second lens module further includes an optical component X accommodated in the first accommodating space.

In one embodiment, the first lens module is fixed to the optical component X.

The utility model has the beneficial effects that:

above-mentioned optical lens, first lens are fixed with first lens cone through the arcwall face on it, and the face of connecting of first lens simultaneously can be fixed with the first internal face cooperation of first lens cone, also can not cooperate fixedly, so make the fixed surface type of first lens more moderate, the size can reduce greatly, and the singleness is the shaping more easily.

[ description of the drawings ]

FIG. 1 is a schematic cross-sectional view of a first lens module of an optical lens system according to the present invention;

FIG. 2 is a schematic cross-sectional view of a first lens element of an optical lens system according to the present invention;

fig. 3 is a schematic cross-sectional view of an optical lens according to the present invention.

[ detailed description ] embodiments

The utility model is further described with reference to the following figures and embodiments.

As shown in fig. 1 to 3, an optical lens 100 includes: the lens module comprises a first lens module 1 and a second lens module 2 arranged on the image side of the first lens module 1.

The first lens module 1 includes a first lens barrel 3 having a first light-passing hole 30 and a first lens group 4 accommodated in the first lens barrel 3, the first lens barrel 3 includes a first inner wall surface 31 and a first outer wall surface 32 opposite to the first inner wall surface 31, the first lens group 4 includes a first lens 41 close to the object side, the first lens 41 includes an object side surface 411 facing the object side, an image side surface 412 facing the image side, and a connecting surface 413 connecting the object side surface 411 and the image side surface 412, the object side surface 411 includes an optical portion 414 located in the middle and a bearing portion 415 surrounding the optical portion 414, an object side surface of the bearing portion 415 includes an arc surface 416, the arc surface 416 abuts against the first inner wall surface 31 of the first lens barrel 3 to fix the first lens 41 in the first lens barrel 3, preferably, the arc surface 416 is an arc surface, the arc surface 416 is an annular structure formed along the bearing portion 415, and may also be a plurality of arc surface structures arranged at intervals, and the plurality of breathing structures are all arranged in abutment with the first inner wall surface 31. The connection surface 413 of the first lens 41 is spaced apart from the first inner wall surface 31 of the first barrel 3, or the connection surface 413 of the first lens 41 abuts against the first inner wall surface 31 of the first barrel 3.

The first lens group 4 further includes a second lens 42 disposed on the image side of the first lens 41, the first lens 41 and the second lens 42 are fixed by gluing, specifically, the optical portion 414 of the first lens 41 and the optical portion of the second lens are fixed by gluing, and the thickness and the inclination of the glued fixed lens are determined by the rise of the first lens 41 and the second lens 42.

The first lens 41 and the second lens 42 may both be plastic lenses, may both be glass lenses, and may either be plastic lenses or glass lenses, and preferably, at least one of the first lens and the second lens is a glass lens.

The lenses in the first lens group 4 are not limited to 2, and may be one or more lenses.

The second lens module 2 includes a second lens barrel 5 and a second lens group 6 accommodated in the second lens barrel 5, the second lens barrel 5 includes a second inner wall surface 51 and a second outer wall surface 52 opposite to the second inner wall surface 51, the second lens barrel 5 includes an extension arm 53 formed by inward extension of the second inner wall surface 51, the extension arm 53 enables the second lens barrel 5 to form a first accommodating space 54 facing the object side and a second accommodating space 55 facing the image side, the second lens group 6 is accommodated in the second accommodating space 55, the second lens module 2 further includes an imaging adjusting member 7(Tlens) accommodated in the first accommodating space, the imaging adjusting member 7 is an adjustable lens, and imaging can be adjusted after being powered on.

The second lens group 2 includes a third lens 61, a fourth lens 62, a fourth five lens 63, and a sixth lens 64 stacked in order from an object side to an image side, and a light shielding plate 8 or a light shielding plate 9 is disposed between two adjacent lenses, or the light shielding plate 8 and the light shielding plate 9 are disposed at the same time.

The first lens module 1 is fixed on the imaging adjusting piece 7. Specifically, a protrusion 33 is disposed on a surface of the first barrel 3 facing the image side, and the protrusion is fixed to the imaging adjustment member 7.

In addition, the number of lenses included in the second lens group 2 is not limited to the embodiment shown in fig. 3, and the number of lenses may be 2, 3, 5, or 6 or more.

In the optical lens assembly 100 of the present invention, the first lens 41 is fixed to the first barrel 3 through the arc surface 416 thereon, and the connection surface 413 of the first lens may or may not be fixed to the first inner wall surface 31 of the first barrel 3 in a matching manner, so that the fixing surface of the first lens 41 is more moderate, the size is greatly reduced, and a single product is easier to mold.

While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model.

Claims (9)

1. An optical lens, comprising: the first lens module comprises a first lens barrel with a first light through hole and a first lens group accommodated in the first lens barrel, the first lens barrel comprises a first inner wall surface and a first outer wall surface opposite to the first inner wall surface, the first lens group comprises a first lens close to an object side, the first lens comprises an object side surface facing the object side, an image side surface facing the image side and a connecting surface connecting the object side surface and the image side surface, the object side surface comprises an optical portion located in the middle and a bearing portion arranged around the optical portion, and the first lens module is characterized in that the object side surface of the bearing portion comprises an arc-shaped surface which is abutted against the first inner wall surface of the first lens barrel so as to fix the first lens in the first lens barrel.

2. An optical lens according to claim 1, characterized in that the arc-shaped surface is a circular arc-shaped surface.

3. An optical lens according to claim 1, wherein the arcuate surface is an annular structure formed along the bearing.

4. An optical lens barrel according to claim 1, wherein a connecting surface of the first lens is spaced apart from a first inner wall surface of the first barrel.

5. The optical lens barrel according to claim 1, wherein a connection surface of the first lens abuts against a first inner wall surface of the first barrel.

6. The optical lens assembly as claimed in claim 1, wherein the first lens group further includes a second lens disposed on an image side of the first lens, and the first lens and the second lens are fixed by gluing.

7. An optical lens according to claim 1, characterized in that at least one of the first and second lenses is a glass lens.

8. The optical lens assembly as claimed in claim 1, further comprising a second lens module disposed at the image side of the first lens module, wherein the second lens module includes a second barrel and a second lens group accommodated in the second barrel, the second barrel includes a second inner wall surface and a second outer wall surface opposite to the second inner wall surface, the second barrel includes an extension arm extending inward from the second inner wall surface, the extension arm enables the second barrel to form a first accommodating space facing the object side and a second accommodating space facing the image side, the second lens group is accommodated in the second accommodating space, and the second lens module further includes an optical component X accommodated in the first accommodating space.

9. An optical lens barrel according to claim 8, wherein the first lens module is fixed to the optical member X.

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