CN209387949U - A kind of lens assembly - Google Patents

Abstract

The utility model is suitable for optical image technology field, a kind of lens assembly is provided, including barrel, the lens set being contained in barrel.Lens set includes shading piece, shading piece is in hollow and annular and is black, and lens set further includes the first eyeglass set on the object side of shading piece, and the first eyeglass includes the optical section for imaging and the peripheral portion around the optical section, shading piece is abutted with peripheral portion, and shading piece is made of high-intensitive material.The shading piece of the utility model is folded between the first eyeglass of lens assembly and washer, shading piece is made of high-intensitive material, so having stronger anti-pressure ability and bearing value, so as to reduce the deflection of the first eyeglass, improve optical design and structure design, improves camera lens reliability.Meanwhile the structure of the shading piece of the utility model is simple, structural strength is high, and more easily methods can be used and be made.

Description

A kind of lens assembly

Technical field

The utility model belongs to optical image technology field more particularly to a kind of lens assembly.

Background technique

With the development of electronic technology, the electronic product with imaging function is also more and more, and optical lens assembly is wide It is general to be applied in various products, and constantly improved and optimized.Lens assembly is taken in imaging process from all angles Light into lens assembly can occur multiple reflections in lens barrel and cause light disturbance problem, this causes image quality very big Influence.In this regard, current practices well is to increase shading piece between the eyeglass of lens assembly to stop veiling glare.However, mesh Preceding shading piece quality is softer, is made up of method for die cutting, such shading piece manufacturing technology requires high, poor dimensional stability, and And cutter is easy to damage, meanwhile, it is big that the intensity of shading piece not enough also results in lens deformation amount, is unfavorable for optical design and structure is set Meter.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of lens assemblies, it is intended to solve in the prior art Shading piece manufacturing technology require it is high, and the problem of be unfavorable for optical design, structure design.

The utility model is realized in this way a kind of lens assembly, including barrel, the eyeglass being contained in barrel Group, the lens set include shading piece, and the shading piece is in hollow and annular and is black, and the lens set further includes set on described First eyeglass of the object side of shading piece, first eyeglass include the optical section for imaging and the periphery around the optical section Portion, the shading piece are abutted with the peripheral portion, and the shading piece is made of high-intensitive material.

Further, the material of the high intensity includes superstrength alloy material or engineering plastics.

Further, the alloy material is 40CrNiMo steel or HP9-4-25 steel.

Further, the shading piece includes base and light shield layer, and the base is in flat, by high-intensitive material Material is made；The light shield layer is covered on the surface of the base.

Further, the light shield layer is black powder layer.

Further, the shading piece is made into integration by the high-strength material of black.

Further, the lens assembly further includes set on the washer of the image side of the shading piece and set on the washer Image side the second eyeglass.

Compared with prior art, beneficial effect is the utility model:

The shading piece of the utility model is folded between the first eyeglass of lens assembly and washer, and shading piece is in hollow and annular And be black, it can stop or absorb stray light, meanwhile, shading piece is made of high-intensitive material, so having stronger resistance to compression Ability and bearing value improve optical design and structure design, improve mirror so as to reduce the deflection of the first eyeglass Head reliability.On the other hand, the structure of the shading piece of the utility model is simple, and structural strength is high, and more easily sides can be used Method is made.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram for lens assembly that the utility model embodiment one provides；

Fig. 2 is a kind of structural schematic diagram for shading piece that the utility model embodiment one provides；

Fig. 3 is the structural schematic diagram for another shading piece that the utility model embodiment two provides.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention；Term " first ", " the Two ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance；In addition, unless otherwise specific Regulation and restriction, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to It is detachably connected, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also lead to It crosses intermediary to be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be with Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

Embodiment one:

Referring to Figure 1, a kind of lens assembly is present embodiments provided, including barrel 1, the eyeglass being contained in barrel Group.The lens set includes shading piece 2, the first eyeglass 31, the pad set on the image side of shading piece 2 set on the object side of shading piece 2 Circle 4 and the second eyeglass 32 set on the image side of washer 4.

Fig. 2 is referred to, shading piece 2 is in hollow and annular and is black, and the first eyeglass 31 includes the optical section 311 for imaging With the peripheral portion 312 around optical section 311, shading piece 2 is abutted with peripheral portion 312, and shading piece 2 is made of high-intensitive material.

Specifically, superstrength alloy material can be selected in the material of the high intensity, as with superhigh intensity, toughness 40CrNiMo steel or HP9-4-25 steel.It is of course also possible to use the engineering plastics of superhigh intensity.

The present embodiment citing is a kind of 4P camera lens comprising about 4 pieces stacked eyeglasses, one of is the first eyeglass 31, it is located at third layer, remaining 3 pieces are the second eyeglass 32.Shading piece 2 is folded between the first eyeglass 31 and washer 4.It can manage Solution, the position of shading piece 2 can change, and the position of the first eyeglass 31 also can change, and the number of lenses of lens set It can also be 2 pieces, 3 pieces, 5 pieces or more.

The shading piece of the present embodiment is folded between the first eyeglass 31 of lens assembly and washer 4, and shading piece 2 is in hollow ring Shape and be black, can stop or absorb stray light, while shading piece 2 is made of high-intensitive material, so having stronger anti- Pressure energy power and bearing value improve optical design and structure design, mention so as to reduce the deflection of the first eyeglass 31 High camera lens reliability.Meanwhile the shading piece structure of the present embodiment is simple, structural strength is high, and more easily method systems can be used ?.

Embodiment two:

Fig. 3 is referred to, is a kind of shading piece 2 ' provided in this embodiment, which includes base 21 and light shield layer 22, the base 21 is made in flat of high-intensitive material.The light shield layer 22 is covered on the surface of base 21. Specifically, the light shield layer 22 is black powder layer.Light shield layer 22 has the function of stopping or absorbs stray light, and base 21 is then Intensity with higher can bear biggish pressure and provide certain bearing value.Therefore, the shading piece 2 ' of the present embodiment Entirety has the function and structural strength of the shading piece of embodiment one, in addition, the base 21 of the present embodiment and light shield layer 22 Selection is more flexible.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (7)

1. a kind of lens assembly, including barrel, the lens set being contained in barrel, the lens set includes shading piece, institute It states shading piece to be in hollow and annular and be black, the lens set further includes the first eyeglass set on the object side of the shading piece, institute State the peripheral portion that the first eyeglass includes the optical section and the circular optical section for imaging, the shading piece and the peripheral portion It abuts, which is characterized in that the shading piece is made of high-intensitive material.

2. lens assembly as described in claim 1, which is characterized in that the material of the high intensity includes superstrength alloy material Material or engineering plastics.

3. lens assembly as claimed in claim 2, which is characterized in that the alloy material is 40CrNiMo steel or HP9-4- 25 steel.

4. the lens assembly as described in any one of claims 1 to 3 claim, which is characterized in that the shading piece packet Base and light shield layer are included, the base is made of high-intensitive material；The light shield layer is covered on the surface of the base.

5. lens assembly as claimed in claim 4, which is characterized in that the light shield layer is black powder layer.

6. lens assembly as described in claim 1, which is characterized in that the shading piece by black one system of high-strength material At.

7. lens assembly as described in claim 1, which is characterized in that the lens assembly further includes being set to the shading piece The washer of image side and the second eyeglass set on the image side of the washer.