CN110673290A - Lens Assemblies and Optical Lenses - Google Patents

Abstract

The invention provides a lens assembly and an optical lens. The lens assembly includes: at least two lenses arranged in order from an object side to an image side; the spacers are arranged between every two adjacent lenses; the first limiting structure is positioned on the surface, facing the non-optical part of the spacer, of one lens in two adjacent lenses; and the second limit structure is positioned on the surface of the other lens of the two adjacent lenses, which faces the non-optical part of the spacer, and at least one of the first limit structure and the second limit structure is abutted with the spacer. The technical scheme of the invention solves the problem of poor imaging quality of the lens assembly in the prior art.

Description

Lens Assemblies and Optical Lenses

technical field

The present invention relates to the field of optical lenses, and in particular, to a lens assembly and an optical lens.

Background technique

In the production process of the optical lens, the baking process is inseparable. The optical lens needs to be baked to release the internal stress. In addition, the lens components in the optical lens need to be baked to cure the glue. However, since the spacer that shields light in the optical lens is easily deformed during the baking process, when the deformation of the spacer is too large, glare is easily formed at the deformed position, thereby affecting the imaging quality of the lens in the optical lens.

That is to say, the lens assembly in the prior art has the problem of poor imaging quality.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide a lens assembly and an optical lens to solve the problem of poor imaging quality of the lens assembly in the prior art.

In order to achieve the above object, according to an aspect of the present invention, a lens assembly is provided, the lens assembly includes: at least two lenses arranged in sequence from the object side to the image side; There are spacers; the first limiting structure is located on the surface of the non-optical part of one of the two adjacent lenses facing the spacer; the second limiting structure is located on the surface of the other lens in the adjacent two lenses facing the spacer On the surface of the non-optical part of the sheet, at least one of the first limiting structure and the second limiting structure bears against the spacer.

Further, the spacer has a first surface and a second surface arranged oppositely, the first limit structure bears against the first surface of the spacer, and the second limit structure abuts against the second surface of the spacer or the second limit There is a distance a between the position structure and the second surface of the spacer; or, the spacer has a first surface and a second surface that are oppositely arranged, the second limit structure is abutted against the second surface of the spacer, and the first limit There is a distance a between the structure and the first surface of the spacer.

Further, when there is a distance a between the second limiting structure and the second surface of the spacer; or when there is a distance a between the first limiting structure and the first surface of the spacer, the distance a satisfies the following relationship: 0.005mm ≤a≤0.5mm.

Further, the distance a satisfies the following relationship: 0.005mm≤a≤0.2mm.

Further, the first limiting structure includes one or more first protrusions connected to one of the adjacent two lenses, and when the first limiting structure includes a plurality of protrusions, along the optical axis away from the lens direction, a plurality of first protrusions are arranged at intervals; or, the second limiting structure includes one or more second protrusions connected to the other lens of the two adjacent lenses, when the second limiting structure includes a plurality of second protrusions In the case of the second protrusions, a plurality of second protrusions are arranged at intervals along the direction away from the optical axis of the lens.

Further, when the first limiting structure includes the first protrusion, the width c1 of the surface of the first protrusion facing the spacer satisfies the following relationship: 0.05mm≤c1≤0.5mm; or, when the second limiting structure includes In the case of the second protrusion, the width c2 of the surface of the second protrusion facing the spacer satisfies the following relationship: 0.05mm≤c2≤0.5mm.

Further, the first limiting structure and the second limiting structure are dislocated.

Further, when the first limiting structure is disposed close to the optical axis of the lens relative to the second limiting structure, there is a distance b1 between the lower edge of the first limiting structure and the inner side surface of the spacer, and the second limiting structure has a distance b1. There is a distance b2 between the lower edge and the inner side of the spacer, wherein the distance b1 satisfies the following relationship: 0mm≤b1≤0.05mm, and the distance b2 satisfies the following relationship: 0.1mm≤b2≤0.35mm; or, when the second limit When the structure is set close to the optical axis of the lens relative to the first limiting structure, there is a distance b1 between the lower edge of the first limiting structure and the inner side of the spacer, and the lower edge of the second limiting structure and the inner side of the spacer There is a distance b2 therebetween, wherein the distance b1 satisfies the following relationship: 0.1mm≤b1≤0.35mm, and the distance b2 satisfies the following relationship: 0mm≤b2≤0.05mm.

Further, the thickness dimension h of the separator satisfies the following relationship: 0.012mm≤h≤0.04mm.

Further, the lens assembly includes n lenses, a spacer 20 is provided between any two adjacent lenses 10, and a first limiting structure 30 is provided on the surface of the non-optical portion of the first lens 10 facing the spacer 20, The surface of the non-optical portion of the n-th lens 10 facing the spacer 20 is provided with a second limiting structure 40, and the opposite sides of the n-i-th lens 10 located in the middle are correspondingly provided with a first limiting structure 30 and a second limiting structure 40. Limiting structure 40, the first limiting structure 30 disposed on the n-ith lens 10 is disposed close to the nth lens 10 and co-located with the second limiting structure 40 disposed on the nth lens 10 in the two The spacer 20 in the lens 10 is limited; the second limiting structure 40 arranged on the n-i th lens 10 is arranged close to the first lens 10 and is arranged with the n-(i+1) th lens. A limiting structure 30 jointly limits the spacers 20 located in the two lenses 10, wherein n≥3, 1≤i<n, and both i and n are natural numbers.

According to another aspect of the present invention, an optical lens is provided, comprising a lens barrel and a lens assembly located in the lens barrel, where the lens assembly is the above-mentioned lens assembly.

By applying the technical solution of the present invention, a limit structure supported by the spacer can prevent the spacer from deforming to the side where the limit structure is located, that is, the spacer can only deform toward the side where the other limit structure is located; and There is a gap between the other limiting structure on which the spacer does not bear and the spacer, so that the spacer can be used to control the deformation amount of the spacer during the baking step. In this way, the deformation amount of the spacer can be controlled by using the first and second limiting structures, so as to avoid the formation of glare at the deformation position of the spacer due to the excessive deformation of the spacer during baking, which affects the imaging quality of the lens. occurs, which in turn ensures the optical performance of the lens.

Description of drawings

The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

FIG. 1 shows a schematic structural diagram of Embodiment 1 of the lens assembly according to the present invention;

FIG. 2 shows a schematic structural diagram of the second embodiment of the lens assembly according to the present invention;

FIG. 3 shows a schematic structural diagram of Embodiment 3 of the lens assembly according to the present invention;

FIG. 4 shows a schematic structural diagram of Embodiment 4 of the lens assembly according to the present invention; and

FIG. 5 shows a schematic structural diagram of Embodiment 5 of the lens assembly according to the present invention.

Wherein, the above-mentioned drawings include the following reference signs:

10, lens; 11, first support protrusion; 12, second support protrusion; 20, spacer; 21, first surface; 22, second surface; 30, first limit structure; 40, second limit bit structure.

Detailed ways

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless otherwise stated, the directional words used such as "upper, lower, top, bottom" are usually for the directions shown in the drawings, or for the components themselves in vertical, In terms of vertical or gravitational direction; similarly, for the convenience of understanding and description, "inner and outer" refers to the inner and outer relative to the contour of each component itself, but the above-mentioned orientation words are not used to limit the present invention.

The present invention and embodiments of the present invention provide a lens assembly. The lens assembly includes at least two lenses 10 , spacers 20 , a first limiting structure 30 and a second limiting structure 40 arranged in sequence from the object side to the image side. The spacer 20 is located between two adjacent lenses 10 , the first limiting structure 30 is located on the non-optical surface of one of the two adjacent lenses 10 facing the spacer 20 , and the second limiting structure 40 On the non-optical part surface of the other lens 10 of the two adjacent lenses 10 facing the spacer 20 , at least one of the first limiting structure 30 and the second limiting structure 40 abuts against the spacer 20 .

According to the above arrangement, the spacer 20 can be prevented from being deformed in the direction toward which the spacer 20 by the limiting structure bearing against the spacer 20 , so that the spacer 20 can only face the direction of another limit structure that does not support the spacer 20 . deformed. Another limiting structure that does not bear against the spacer 20 can control the deformation amount of the spacer 20 through the distance between the spacer and the surface of the spacer 20 . In this way, the above-mentioned limiting mechanism can control the deformation of the spacer 20 during the baking process, so as to avoid the formation of glare at the deformed position of the spacer 20 due to the excessive deformation of the spacer 20 during baking, which affects the imaging of the lens 10 A quality situation occurs, which in turn ensures the optical performance of the lens 10 .

In the present invention and the embodiments of the present invention, as shown in FIG. 1 , in order to install the spacer 20 , support protrusions are provided on the surfaces of the non-optical parts of the two lenses 10 opposite to each other. A first support protrusion 11 is provided on the surface of the lens 10, a second support protrusion 12 is provided on the surface of the non-optical portion of the other lens 10, and the spacer 20 is located between the two lenses 10 and sandwiched by the first support protrusion 11 and the second supporting protrusion 12, wherein the spacer 20 is in abutting contact with the first supporting protrusion 11, and the spacer 20 is in abutting contact with the second supporting protrusion 12. By setting the first supporting protrusion 11 and The second support protrusion 12 can fix the spacer 20 between the two lenses.

Wherein, the first support protrusion 11 is far away from the optical axis of the lens 10 relative to the first limiting structure 30 (that is, the first support protrusion 11 is located outside the lens 10 ); the second support protrusion 12 is relative to the second limiting structure. 40 is remote from the optical axis of lens 10 .

Example 1

As shown in FIG. 1 , in the first embodiment of the present invention, the spacer 20 has a first surface 21 and a second surface 22 disposed opposite to each other, the first limiting structure 30 bears against the first surface 21 of the spacer 20 , and the first There is a distance a between the two limiting structures 40 and the second surface 22 of the spacer 20 .

According to the above arrangement, in the process of baking the spacer 20 , since the first limiting structure 30 abuts against the first surface 21 of the spacer 20 , the first limiting structure 30 can prevent the spacer 20 from moving toward the first limit The orientation of the structure 30 is deformed. When the spacer 20 is deformed by heat, it can only deform in the direction close to the second limiting structure 40 , and since there is a distance a between the second limiting structure 40 and the second surface 22 , the deformation amount of the spacer 20 does not exceed the above distance. a, In this way, the second limiting structure 40 can be used to control the deformation amount of the spacer 20 when it is deformed by heat. It can be seen from the above that the first limiting structure 30 and the second limiting structure 40 can control the deformation of the spacer 20 during the baking process, so as to avoid the formation of glare at the deformed position of the spacer 20 due to the excessive deformation of the spacer 20 . light, thereby affecting the imaging quality of the lens 10 , thereby ensuring the optical performance of the lens 10 .

Specifically, as shown in FIG. 1 , the first limiting structure 30 is a first protrusion disposed on one of the two adjacent lenses 10 , and the second limiting structure 40 is disposed on the two adjacent lenses The second bump on the other of the 10. According to the above arrangement, the first protrusion and the second protrusion can control the deformation amount of the spacer 20 during the baking process, so as to avoid the influence of glare formed at the deformation position of the spacer 20 due to the excessive deformation of the spacer 20 . The image quality of the lens 10 occurs, thereby ensuring the optical performance of the lens 10 .

Of course, in an alternative embodiment not shown in the drawings, according to the actual situation, the first limiting structure 30 may include a plurality of first protrusions, and the second limiting structure 40 may include a plurality of second protrusions, or Only the first limiting structure 30 is provided as a plurality of first protrusions, or only the second limiting structure 40 is provided as a plurality of second protrusions. Wherein, a plurality of first protrusions or a plurality of second protrusions are arranged at intervals along a direction having a certain angle with the optical axis of the lens 10 .

It should be noted that, in the present application and the embodiments of the present application, the direction away from the optical axis of the lens refers to the direction away from the optical axis of the lens along the radial direction of the lens 10 .

Specifically, as shown in FIG. 1 , the first protrusion (or the second protrusion) is integrally formed with the correspondingly connected lens 10 , which facilitates the injection molding of the lens 10 and reduces the production cost.

Of course, in alternative embodiments not shown in the drawings, the first protrusion (or the second protrusion) and the corresponding lens 10 may also be set as separate bodies according to the actual situation.

Specifically, as shown in FIG. 1 , there is a distance a between the second protrusion and the second surface 22 of the spacer 20 , and the distance a satisfies the following relationship: 0.005mm≦a≦0.5mm.

It should be noted that when the spacer 20 is being baked, a certain amount of deformation of the spacer 20 is allowed to release the thermal stress generated when the spacer 20 is thermally expanded. However, the above deformation amount should not be too large, and if the deformation amount is too large, glare will be generated in the spacer 20 at the deformed position, thereby affecting the imaging quality of the lens 10 .

According to the above arrangement, the space for accommodating the deformation of the spacer 20 can be limited by the second protrusion, so that the deformation of the spacer 20 can be controlled not to exceed 0.5 mm, which can ensure that the deformation of the spacer 20 is within the allowable range On the one hand, the spacer 20 can release the thermal stress generated by thermal expansion, and on the other hand, it can effectively prevent the spacer 20 from generating glare and affecting the imaging quality of the lens 10 . The distance a is set to be greater than or equal to 0.005mm, so as to ensure that the spacer 20 has a certain amount of deformation, which can release the thermal stress generated by thermal expansion, and prevent the spacer 20 from being damaged and unusable under the action of thermal stress.

Preferably, the distance a satisfies the following relationship: 0.005mm≤a≤0.2mm. In the above setting, the deformation of the spacer 20 is controlled within 0.2mm, so that on the one hand, the spacer 20 can be better relieved of the thermal stress generated when it is thermally expanded, and on the other hand, the spacer 20 can be better prevented. Glare is generated to affect the imaging quality of the lens 10 .

Specifically, as shown in FIG. 1 , the width c1 of the surface of the first protrusion facing the spacer 20 satisfies the following relationship: 0.05mm≤c1≤0.5mm, and the width c2 of the surface of the second protrusion facing the spacer 20 satisfies the following relationship: 0.05mm≤c1≤0.5mm The following relationship: 0.05mm≤c2≤0.5mm. According to the above arrangement, the ends of the first protrusion and the second protrusion facing the spacer 20 form a plane, so that when the spacer 20 is deformed by heat, the spacer 20 and the ends of the first protrusion and the second protrusion form a plane. Surface-to-surface contact, thereby enhancing the limiting effect of the first protrusion and the second protrusion on the spacer 20, and at the same time preventing the ends of the first protrusion and the second protrusion from scratching the surface of the spacer 20, thereby ensuring the space Sheet 20 can be used normally.

It should be noted that in Example 1 of the present invention, the first protrusion and the second protrusion are irregular shaped bosses, which facilitates injection molding and reduces the manufacturing cost of the optical lens. Of course, in alternative embodiments not shown in the drawings, the first protrusion and the second protrusion may also be arranged in a regular shape, such as a circular frustum or a prism.

Specifically, as shown in FIG. 1 , in the direction perpendicular to the optical axis of the lens 10 , the first protrusion and the second protrusion are dislocated, and the first protrusion is disposed close to the optical axis of the lens relative to the second protrusion, There is a distance b1 between the lower edge of the first protrusion and the inner side of the spacer 20, and a distance b2 between the lower edge of the second protrusion and the inner side of the spacer 20, wherein the distance b1 satisfies the following relationship: 0mm≤ b1≤0.05mm, b2 satisfies the following relationship: 0.1mm≤b2≤0.35mm.

According to the above arrangement, by further defining the relative positional relationship between the first protrusion, the second protrusion and the spacer 20, the first protrusion and the second protrusion can better limit the spacer 20 and control the spacer 20. 20 during the baking process, so as to prevent the formation of glare at the deformed position of the spacer 20 due to the excessive deformation of the spacer 20 , which affects the imaging quality of the lens 10 , thereby ensuring the optical performance of the lens 10 .

It should be noted that the thickness dimension h of the separator 20 satisfies the following relationship: 0.012 mm≤h≤0.04 mm. In this way, the spacer 20 can meet the size requirements when the optical lens is assembled, thereby ensuring that the lens assembly can be smoothly installed in the lens barrel.

Embodiment 2

As shown in FIG. 2 , the difference between the second embodiment and the first embodiment is that in the second embodiment, the second limiting structure 40 abuts against the second surface 22 of the spacer 20 , and the first limiting structure 30 and the There is a distance a between a limiting structure 30 and the first surface 21 of the spacer 20 .

In the second embodiment, the remaining structures are the same as those in the first embodiment, and are not repeated here.

Embodiment 3

As shown in FIG. 3 , the difference between the third embodiment and the first embodiment is that in the third embodiment, the second limiting structure 40 is disposed closer to the optical axis of the lens 10 than the first limiting structure 30 . Specifically, There is a distance b1 between the lower edge of the first protrusion and the inner side surface of the spacer 20, and b1 satisfies the following relationship: 0.1mm≤b1≤0.35mm. There is a distance b2 between the lower edge of the second protrusion and the inner side surface of the spacer 20, and b2 satisfies the following relationship: 0mm≤b2≤0.05mm.

In the third embodiment, the descriptions of other structures are the same as those in the first embodiment, and are not repeated here.

Embodiment 4

As shown in Figure 4, the difference between the fourth embodiment and the first embodiment is:

In the fourth embodiment, (1) the second limiting structure 40 bears against the second surface 22 of the spacer 20 , and between the first limiting structure 30 and the first limiting structure 30 and the first surface 21 of the spacer 20 has distance a.

(2) The second limiting structure 40 is disposed closer to the optical axis of the lens than the first limiting structure 30. Specifically, there is a distance b1 between the lower edge of the first protrusion and the inner side surface of the spacer 20, which satisfies the following Relationship: 0.1mm≤b1≤0.35mm. There is a distance b2 between the lower edge of the second protrusion and the inner side surface of the spacer 20, which satisfies the following relationship: 0mm≤b2≤0.05mm.

In the fourth embodiment, the descriptions of other structures are the same as those in the first embodiment, and are not repeated here.

Embodiment 5

For three or more lenses 10 arranged in sequence, the limiting structures in Embodiments 1 to 4 may be adopted between any two adjacent lenses 10 . In this way, the lens 10 in the middle position is provided with both the first limiting structure 30 and the second limiting structure 40 , and between any two adjacent lenses 10 are the first limiting structure 30 and the second limiting structure 40 . The limiting structures 40 jointly limit the same spacer 20 . In the above arrangement, the deformation amount of the spacer 20 can be controlled by using the first limiting structure 30 and the second limiting structure 40 , so as to avoid the formation at the deformation position of the spacer 20 due to the excessive deformation of the spacer 20 during baking. The situation that glare affects the imaging quality of the lens 10 occurs, thereby ensuring the optical performance of the lens 10 .

As shown in Figure 5, the difference between the fifth embodiment and the first embodiment is:

The lens assembly includes three lenses 10, and a spacer 20 is provided between any two adjacent lenses 10. Among the three lenses 10, the surface of the non-optical part of the first lens 10 closest to the object side facing the spacer 20 A first limiting structure 30 is provided, a second limiting structure 40 is provided on the surface of the non-optical portion of the third lens 10 closest to the image side facing the spacer 20, and the second lens 10 in the middle position is oppositely arranged A first limiting structure 30 and a second limiting structure 40 are correspondingly provided on the surface of the . Wherein, the first limiting structure 30 disposed on the lens 10 closest to the object side and the second limiting structure 40 disposed on the lens 10 in the middle position jointly limit the spacers 20 located in the two lenses 10 The second limiting structure 40 arranged on the lens 10 closest to the image side and the first limiting structure 30 arranged on the lens 10 in the middle position together oppose the spacer 20 located between the two lenses 10 Limit.

The following is a detailed description in conjunction with the accompanying drawings:

It should be noted that, in order to clearly illustrate the relative positional relationship between the lens 10 and the spacer 20, the spacer 20 disposed between the first lens 10 and the second lens 10 is referred to as the first spacer, and the spacer 20 disposed between the first lens 10 and the second lens 10 is referred to as the first spacer. The spacer 20 between the second lens 10 and the third lens 10 is called a second spacer.

Specifically, as shown in FIG. 5 , among the three lenses 10 , the first limiting structure 30 on the first lens 10 is the first limiting structure 30 disposed on the surface of the non-optical part of the first lens 10 facing the first spacer. Raised. The first limiting structure 30 and the second limiting structure 40 on the second lens 10 in the middle position correspond to the first protrusions and the second protrusions provided on the opposite surfaces of the second lens 10 , wherein the second protrusion is disposed on the surface of the second lens 10 close to the first lens 10 , and the first protrusion is disposed on the surface of the second lens 10 close to the third lens 10 . The second limiting structure 40 on the third lens 10 is a second protrusion disposed on the surface of the lens 10 facing the non-optical part of the second spacer.

The first protrusion on the first lens 10 bears against the first surface 21 of the first spacer, and the second protrusion on the second lens 10 has a distance a from the second surface 22 of the first spacer. a satisfies the following relationship: 0.005mm≤a≤0.5mm. The width c1 of the first protrusion on the first lens 10 facing the first surface 21 of the first spacer satisfies the following relationship: 0.05mm≤c1≤0.5mm, the orientation of the second protrusion on the second lens 10 The width c2 of the second surface 22 of the first spacer satisfies the following relationship: 0.05mm≤c2≤0.5mm. The first protrusions on the first lens 10 are arranged at a dislocation relative to the second protrusions on the second lens 10 , and the first protrusions on the first lens 10 are relative to the second protrusions on the second lens 10 up close to the optical axis. Wherein, there is a distance b1 between the lower edge of the first protrusion on the first lens 10 and the inner side surface of the first spacer, and b1 satisfies the following relationship: 0mm≤b3≤0.05mm. There is a distance b2 between the lower edge of the second protrusion on the second lens 10 and the inner surface of the first spacer, and b2 satisfies the following relationship: 0.1mm≤b2≤0.35mm.

The first protrusion on the second lens 10 bears against the first surface 21 of the second spacer, and the second protrusion on the third lens 10 has a distance a from the second surface 22 of the second spacer. a satisfies the following relationship: 0.005mm≤a≤0.5mm. The width c3 of the first protrusion on the second lens 10 facing the first surface 21 of the second spacer satisfies the following relationship: 0.05mm≤c3≤0.5mm, the orientation of the second protrusion on the third lens 10 The width c4 of the second surface 22 of the second spacer satisfies the following relationship: 0.05mm≤c4≤0.5mm. The first protrusions on the second lens 10 are staggered relative to the second protrusions on the third lens 10 , and the first protrusions on the second lens 10 are relative to the second protrusions on the third lens 10 up close to the optical axis. Wherein, there is a distance b3 between the lower edge of the first protrusion on the second lens 10 and the inner side surface of the second spacer, and b3 satisfies the following relationship: 0mm≤b3≤0.05mm. There is a distance b4 between the lower edge of the second protrusion on the third lens 10 and the inner side surface of the second spacer, and b4 satisfies the following relationship: 0.1mm≤b4≤0.35mm.

It should be noted that the relative positional relationship between the first protrusion on the second lens 10 , the second protrusion on the third lens 10 and the second spacer is to be explained clearly. The width of the first surface 21 of the first protrusion on the second lens 10 facing the second spacer is set to c3, and the width of the second protrusion on the third lens 10 facing the second spacer is set to c3. The width of the surface 22 is set to c4, the distance between the lower edge of the first protrusion on the second lens 10 and the inner side of the second spacer is set to b3, and the second protrusion on the third lens 10 is set to b3. The distance between the lower edge and the inner side surface of the second spacer is set to b4.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: in the process of baking the spacer, since the first limiting structure bears against the first surface of the spacer, the first limit The spacer structure can prevent the spacer from deforming in the direction toward the first limit structure. When the spacer is deformed by heat, it can only deform in the direction close to the second limit structure, and because there is a distance a between the second limit structure and the second surface, the deformation of the spacer does not exceed the above distance a. In this way, using The second limiting structure can control the deformation amount of the spacer when it is deformed by heat. It can be seen from the above that the first limit structure and the second limit structure can control the deformation of the spacer during the baking process, so as to avoid the formation of glare at the deformation position of the spacer due to the excessive deformation of the spacer, thereby affecting the lens. high image quality occurs, which in turn ensures the optical performance of the lens.

Obviously, the above-described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, acts, devices, components, and/or combinations thereof.

It should be noted that the terms "first", "second", etc. in the description and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that data so used may be interchanged under appropriate circumstances so that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (11)

1. A lens assembly, wherein the lens assembly comprises: At least two lenses (10) arranged in sequence from the object side to the image side; a spacer (20), the spacer (20) is provided between two adjacent lenses (10); a first limiting structure (30), located on a non-optical part surface of one of the two adjacent lenses (10) facing the spacer (20); The second limiting structure (40) is located on the non-optical part surface of the other lens (10) of the two adjacent lenses (10) facing the spacer (20), the first limiting structure At least one of (30) and the second limiting structure (40) bears against the spacer (20). 2. The lens assembly of claim 1, wherein The spacer (20) has a first surface (21) and a second surface (22) that are oppositely arranged, and the first limiting structure (30) is connected to the first surface (22) of the spacer (20). 21) Bearing, the second limiting structure (40) bears against the second surface (22) of the spacer (20) or the second limiting structure (40) and the spacer There is a distance a between said second surfaces (22) of (20); or, The spacer (20) has a first surface (21) and a second surface (22) disposed opposite to each other, and the second limiting structure (40) is connected to the second surface (22) of the spacer (20). 22) Bearing, there is a distance a between the first limiting structure (30) and the first surface (21) of the spacer (20). 3. The lens assembly according to claim 2, wherein there is a distance a between the second limiting structure (40) and the second surface (22) of the spacer (20); Or when there is a distance a between the first limiting structure (30) and the first surface (21) of the spacer (20), the distance a satisfies the following relationship: 0.005mm≤a≤0.5mm . 4. The lens assembly according to claim 3, wherein the distance a satisfies the following relationship: 0.005mm≤a≤0.2mm. 5. The lens assembly of any one of claims 1 to 4, wherein The first limiting structure (30) includes one or more first protrusions connected to one of the two adjacent lenses, and when the first limiting structure (30) includes a plurality of protrusions When , the plurality of first protrusions are arranged at intervals along the direction away from the optical axis of the lens; or, The second limiting structure (40) includes one or more second protrusions connected with the other lens of the two adjacent lenses, and when the second limiting structure (40) includes a plurality of first When there are two protrusions, the plurality of second protrusions are arranged at intervals along the direction away from the optical axis of the lens. 6. The lens assembly of claim 5, wherein When the first limiting structure (30) includes a first protrusion, the width c1 of the surface of the first protrusion facing the spacer (20) satisfies the following relationship: 0.05mm≤c1≤0.5mm; or, When the second limiting structure (40) includes a second protrusion, the width c2 of the surface of the second protrusion facing the spacer (20) satisfies the following relationship: 0.05mm≤c2≤0.5mm. 7. The lens assembly according to any one of claims 1 to 4, characterized in that, the first limiting structure (30) and the second limiting structure (40) are arranged in a staggered position. 8. The lens assembly of claim 7, wherein When the first limiting structure (30) is disposed close to the optical axis of the lens relative to the second limiting structure (40), the lower edge of the first limiting structure (30) and the spacer There is a distance b1 between the inner sides of the sheet (20), and there is a distance b2 between the lower edge of the second limiting structure (40) and the inner side of the spacer (20), wherein the distance b1 satisfies The following relationship: 0mm≤b1≤0.05mm, the distance b2 satisfies the following relationship: 0.1mm≤b2≤0.35mm; or, When the second limiting structure (40) is disposed close to the optical axis of the lens relative to the first limiting structure (30), the lower edge of the first limiting structure (30) is close to the spacer There is a distance b1 between the inner sides of the sheet (20), and there is a distance b2 between the lower edge of the second limiting structure (40) and the inner side of the spacer (20), wherein the distance b1 satisfies The following relationship: 0.1mm≤b1≤0.35mm, and the distance b2 satisfies the following relationship: 0mm≤b2≤0.05mm. 9. The lens assembly according to any one of claims 1 to 4, wherein the thickness dimension h of the spacer (20) satisfies the following relationship: 0.012mm≤h≤0.04mm. 10. The lens assembly according to claim 1, wherein the lens assembly comprises n lenses, and the spacer (20) is provided between any two adjacent lenses (10), The surface of the non-optical part of one lens (10) facing the spacer (20) is provided with the first limiting structure (30), and the nth lens (10) faces the spacer The surface of the non-optical part of (20) is provided with the second limiting structure (40), and the opposite sides of the n-i th lens (10) located in the middle are correspondingly provided with the first limiting structure ( 30) and the second limiting structure (40), the first limiting structure (30) disposed on the n-ith lens (10) is disposed close to the nth lens (10) and is connected with the n-th lens (10). The second limiting structures (40) arranged on the nth lenses (10) jointly limit the spacers (20) located in the two lenses (10); The second limiting structures (40) on the lenses (10) are arranged close to the first lens (10) and are connected with the first limiting structures ( 30) Limit the spacers (20) located in the two lenses (10) together, wherein n≥3, 1≤i<n, and both i and n are natural numbers. 11 . An optical lens, comprising a lens barrel and a lens assembly located in the lens barrel, wherein the lens assembly is the lens assembly according to any one of claims 1 to 10 .

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