CN209387951U - Lens module - Google Patents

Abstract

The utility model embodiment is related to optical imaging field, disclose a kind of lens module, including lens barrel and the lens set for being contained in lens barrel, lens set includes the first eyeglass and second eyeglass adjacent with the first eyeglass close to lens module image side, barn door is provided between first eyeglass and the second eyeglass, barn door includes object side, image side surface, and the joint face of attachment side and image side surface, joint face includes the inner ring surface of the optical axis close to lens module and the outer ring surface that is oppositely arranged with inner ring surface, object side includes the first surface close to the second eyeglass, from the outer edge of first surface towards image side and second surface that parallel optical axis direction extends, and the third surface of outer ring surface is extended to far from the edge of first surface from second surface, second surface and third surface, which surround, forms gap slot, barrel portion extends in gap slot with shape At extension.Lens module provided by the utility model embodiment can effectively promote reliability.

Description

Lens module

Technical field

The utility model embodiment is related to optical imaging field, in particular to a kind of lens module.

Background technique

With the continuous development of science and technology, electronic equipment is portable other than digital camera constantly towards intelligent development Electronic equipment such as tablet computer, mobile phone etc. are also provided with the lens module for camera function of taking pictures, and are clapped at any time with meeting user According to needs.Multiple eyeglasses that lens module generally includes lens barrel and is arranged in lens barrel, can be additionally arranged between the lenses Used in sunshade board is usually stacked on eyeglass in the irradiation for avoiding stray light, barn door in the prior art, passes through the outer of barn door The cooperation of the internal diameter of diameter and barrel is fixed.

However, the utility model inventors have found that lens module in the prior art increasingly toward miniaturization direction Development, the size of lens barrel is smaller and smaller, thus, it is also more and more thinner with the partial region of barn door cooperation on lens barrel, lead to camera lens The reliability of mould group reduces.

Summary of the invention

Embodiment of the present invention is designed to provide a kind of lens module, and can effectively promote lens module can By property.

In order to solve the above technical problems, the utility model embodiment provides a kind of lens module, including lens barrel and receiving In the lens set of the lens barrel, the lens set include close to the lens module image side the first eyeglass and with first mirror The second adjacent eyeglass of piece, is provided with barn door between first eyeglass and second eyeglass, the barn door includes leaning on The object side of nearly lens module object side, the image side surface close to the lens module image side, and the connection object side and The joint face of the image side surface, the joint face include close to the lens module optical axis inner ring surface and with the inner ring surface The outer ring surface being oppositely arranged, which is characterized in that the object side includes close to the first surface of second eyeglass, from described the The outer edge on one surface is towards image side and second surface that the parallel optical axis direction extends and separate from the second surface The edge of the first surface extends to the third surface of the outer ring surface, and the second surface and the third surface surround shape At gap slot, the barrel portion is extended in the gap slot to form extension.

Compared with prior art, in lens module provided by the utility model embodiment, barn door is wrapped in object side Containing from the outer edge of first surface towards image side and far from optical axis direction extend second surface and from second surface it is separate The edge of first surface extends to the third surface of outer ring surface, and second surface and third surface, which surround, forms gap slot, lens barrel portion It point extends to and to form extension in gap slot, to increase lens barrel in the part cooperated with barn door (namely described in lens barrel face The part of gap slot) wall thickness, promote the reliability of lens module.

In addition, the extension include the first extended surface being oppositely arranged with the second surface and with the third surface The angle of the second extended surface being oppositely arranged, first extended surface and second extended surface is greater than or equal to 90 °.

In addition, first extended surface is parallel with the second surface.

In addition, first extended surface is abutted with the second surface.Second surface is abutted with the first extended surface, gap slot It cooperates with extension, so that the position of barn door setting is more accurate, prevents deviation occur since position is arranged in barn door And influence the optical property of lens module.

In addition, second extended surface is parallel with the third surface.

In addition, second extended surface is abutted with the third surface.Third surface is abutted with the second extended surface, so that hiding Tabula rasa can be abutted directly against on lens barrel by third surface, and when barn door is arranged into lens barrel, the second extended surface can be The setting position of barn door provides reference, guarantees the accuracy of the position of barn door setting.

In addition, the third surface is vertical with the optical axis.

In addition, being provided with the first anti-dazzling screen between the barn door and first eyeglass.In barn door and the first eyeglass Between the first anti-dazzling screen is set, can further reduce the veiling glare in lens module, promote the optical property of lens module.

In addition, being provided with the second anti-dazzling screen between the barn door and second eyeglass.In barn door and the second eyeglass Between the second anti-dazzling screen is set, can further reduce the veiling glare in lens module, promote the optical property of lens module.

In addition, the outer ring surface is abutted with the lens barrel inner wall.

Detailed description of the invention

Fig. 1 is the sectional view of lens module provided by the utility model first embodiment；

Fig. 2 is the partial enlarged view in the portion A as shown in figure 1；

Fig. 3 is the sectional view of lens module provided by another embodiment of the utility model；

Fig. 4 is the partial enlarged view such as the portion B in Fig. 3.

Specific embodiment

To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this Each embodiment of utility model is explained in detail.However, it will be understood by those skilled in the art that practical at this In novel each embodiment, many technical details are proposed in order to make reader more fully understand the utility model.But even if Without these technical details and various changes and modifications based on the following respective embodiments, the utility model also may be implemented and wanted Seek the technical solution of protection.

The first embodiment of the utility model is related to a kind of lens module 100, as shown in Figure 1 and Figure 2, including lens barrel 10 With the lens set 20 for being contained in lens barrel 10, lens set 20 includes close to the first eyeglass 21 of 100 image side of lens module and with first The second adjacent eyeglass 22 of eyeglass 21, is provided with barn door 30, barn door 30 includes between the first eyeglass 21 and the second eyeglass 22 Object side 31 close to 100 object side of lens module, the image side surface 32 close to 100 image side of lens module and attachment side 31 With the joint face 33 of image side surface 32.Wherein, joint face 33 include close to 100 optical axis OO ' of lens module inner ring surface 331 and with it is interior The outer ring surface 332 that anchor ring 331 is oppositely arranged；Object side 31 includes close to the first surface 311 of the second eyeglass 22, from first surface 311 outer edge towards image side and second surface 312 that the direction of parallel optical axis extends and from second surface 312 far from the The edge on one surface 311 extends to the third surface 313 of outer ring surface 332.Second surface 312 and third surface 313 are around formation Gap slot 40, lens barrel 10 extend partially into gap slot 40 to form extension 50.

Compared with prior art, in lens module 100 provided by the utility model first embodiment, barn door 30 The second surface 312 and third surface 313 that object side 31 is included, which surround, forms gap slot 40, and lens barrel 10 extends partially into notch Extension 50 is formed in slot 40, can effectively increase the wall for the part that lens barrel 10 is that barn door 30 cooperates by extension 50 Thickness, to effectively improve the reliability of lens module 100.

Specifically, in the present embodiment, extension 50 includes that the extended is oppositely arranged and tilted with second surface 312 One extended surface 51 and the second extended surface 52 being oppositely arranged with third surface 313；First extended surface 51 and the second extended surface 52 Angle be greater than or equal to 90 °.It is understood that the angle of the first extended surface 51 and the second extended surface 52 is greater than or equal to 90 ° are only that one of present embodiment preferably realizes example, do not constitute and limit, in other embodiment party of the utility model In formula, the angle of the first extended surface 51 and the second extended surface 52 is also possible to be less than or equal to 90 °, specifically can be according to practical feelings Condition is chosen.

In addition, in the present embodiment, second surface 312 is parallel with the first extended surface 51.It is understood that the second table Face 312 parallel with the first extended surface 51 is only the positional relationship of second surface 312 and the first extended surface 51 in present embodiment It is limited for example, not constituting, in the other embodiment of the utility model, second surface 312 and the first extended surface 51 Can also be not parallel, herein without enumerating, specifically can be flexibly arranged according to actual needs.

Preferably, in the present embodiment, second surface 312 and the first extended surface 51 interval are arranged.It is understood that Second surface 312 and the setting of the first extended surface 51 interval are only second surface 312 and the first extended surface 51 in present embodiment Positional relationship limits for example, not constituting, in the other embodiment of the utility model, as shown in Figure 3, Figure 4, the Two surfaces 312 are also possible to mutually abut with the first extended surface 51, specifically can be according to practical need herein without enumerating Flexibly it is arranged.Second surface 312 is mutually abutted with the first extended surface 51, so that gap slot 40 and extension 50 are mutual Cooperation can make the setting position of barn door 30 more accurate when barn door 30 is arranged into lens barrel 10, prevent due to hiding The optical property that position deviation occurs and influences lens module 100 is arranged in tabula rasa 30.

Further, in the present embodiment, third surface 313 is parallel with the second extended surface 52.It is understood that the Three surfaces 313 parallel with the second extended surface 52 are only third surface 313 and the position of the second extended surface 52 pass in present embodiment System limits for example, not constituting, and in the other embodiment of the utility model, third surface 313 and second extends Face 52 can also be not parallel, herein without enumerating, specifically can be flexibly arranged according to actual needs.

More preferably, in the other embodiment of the utility model, third surface 313 and the second extended surface 52 are each other Every.It is understood that third surface 313 and the second extended surface 52 are spaced apart from each other third surface 313 in only present embodiment With the positional relationship of the second extended surface 52 for example, constitute limit, in the other embodiment of the utility model, As shown in Figure 3, Figure 4, third surface 313 is also possible to mutually abut with the second extended surface 52, herein without enumerating, has Body can be flexibly arranged according to actual needs.Third surface 313 is mutually abutted with the second extended surface 52, when to lens barrel 10 When interior setting barn door 30, the second extended surface 52 can provide reference for the setting position of barn door 30, so that barn door 30 Setting position is more accurate, prevents that the optical property that position deviation occurs and influences lens module 100 is arranged due to barn door 30.

In addition, in the present embodiment, the first anti-dazzling screen 60 is provided between barn door 30 and the first eyeglass 21.In shading First anti-dazzling screen 60 is set between plate 30 and the first eyeglass 21, can further reduce the veiling glare in lens module 100, is promoted The optical property of lens module 100.

In addition, in the present embodiment, the second anti-dazzling screen 70 is provided between barn door 30 and the second eyeglass 22.In shading Second anti-dazzling screen 70 is set between plate 30 and the second eyeglass 22, can further reduce the veiling glare in lens module 100, is promoted The optical property of lens module 100.

Further, in the present embodiment, outer ring surface 332 abuts setting with the inner wall of lens barrel 10.

It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific implementation of the utility model Example, and in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit of the utility model And range.

Claims (10)

1. a kind of lens module, including lens barrel and the lens set for being contained in the lens barrel, the lens set includes close to the mirror The first eyeglass and second eyeglass adjacent with first eyeglass of head mould group image side, first eyeglass and second eyeglass Between be provided with barn door, the barn door includes close to the object side of lens module object side, close to the lens module The image side surface of image side, and the joint face of connection the object side and the image side surface, the joint face include close to the mirror The inner ring surface of the optical axis of head mould group and the outer ring surface being oppositely arranged with the inner ring surface, which is characterized in that the object side includes Close to the first surface of second eyeglass, from the outer edge of the first surface towards image side and the parallel optical axis direction prolongs The second surface stretched and the third table for extending to the outer ring surface far from the edge of the first surface from the second surface Face, the second surface and the third surface around forming gap slot, the barrel portion extend in the gap slot with Form extension.

2. lens module according to claim 1, which is characterized in that the extension includes opposite with the second surface The first extended surface being arranged and the second extended surface being oppositely arranged with the third surface, first extended surface and described second The angle of extended surface is greater than or equal to 90 °.

3. lens module according to claim 2, which is characterized in that first extended surface and the second surface are flat Row.

4. lens module according to claim 3, which is characterized in that first extended surface is supported with the second surface It connects.

5. lens module according to claim 2, which is characterized in that second extended surface and the third surface are flat Row.

6. lens module according to claim 5, which is characterized in that second extended surface is supported with the third surface It connects.

7. lens module according to claim 1, which is characterized in that the third surface is vertical with the optical axis.

8. lens module according to claim 1, which is characterized in that be arranged between the barn door and first eyeglass There is the first anti-dazzling screen.

9. lens module according to claim 1, which is characterized in that be arranged between the barn door and second eyeglass There is the second anti-dazzling screen.

10. lens module according to claim 1, which is characterized in that the outer ring surface is abutted with the lens barrel inner wall.