CN208188447U - Lens module - Google Patents

Abstract

The second eyeglass being cascading from object side to image side and the third eyeglass that the lens module of the utility model includes barrel, is contained in barrel, barn door is provided between second eyeglass and third eyeglass, third eyeglass includes the side of object side, image side surface and attachment side and image side surface, third eyeglass includes the first plane, the first inclined-plane and the second plane, and barn door includes the third plane being bonded with the first plane, the second inclined-plane being bonded with the first inclined-plane and fourth plane.Can be improved the assemble stable of eyeglass, and can precise positioning so that the good in optical property of product.

Description

Lens module

Technical field

The utility model relates to a kind of optical imaging field more particularly to a kind of lens modules.

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 barrel and is arranged in barrel, it will usually be arranged between the lenses Used in sunshade board is usually stacked on eyeglass in the irradiation for avoiding stray light, existing barn door, passes through the outer diameter and mirror of barn door The internal diameter cooperation of head cylinder, but the barn door outer diameter of this structure it is difficult to ensure that, and barn door can not be oriented to, so that logical Such assembling mode is crossed, cooperation is unstable, and yield is not high.

Therefore, it is necessary to provide the new lens module of one kind to solve the above problems.

Utility model content

The utility model technical issues that need to address be to provide a kind of lens module with solve prior art stability and The problem of poor reliability.

In order to solve the above technical problems, the utility model provides a kind of lens module, including barrel, be contained in it is described The first eyeglass being cascading from object side to image side, the second eyeglass and third eyeglass in barrel, second eyeglass Barn door is provided between the third eyeglass, the third eyeglass includes object side, image side surface and the connection object side With the side of the image side surface, the third eyeglass includes the optical section for imaging and the company that is surrounded on around the optical section Socket part, the object side at the interconnecting piece include the first plane, prolong from first plane towards object side and close to optical axis direction The first inclined-plane stretched and the second plane extended from first inclined-plane towards optical axis direction, the barn door include close to image side First surface and the second surface opposite with the first surface, the first surface includes being bonded with first plane Third plane extends from the third plane towards object side and close to optical axis direction and be bonded with first inclined-plane second oblique Face and the fourth plane extended from second inclined-plane towards optical axis direction.

Preferably, the third eyeglass is glass lens.

Preferably, the object side at the optical section of the third eyeglass is recessed to image side direction.

Preferably, the lens module includes multiple first mirrors with second eyeglass and the third eyeglass common optical axis Piece is provided with anti-dazzling screen between multiple first eyeglasses.

Preferably, anti-dazzling screen is provided between the barn door and the third eyeglass.

Preferably, the anti-dazzling screen is arranged between the fourth plane and second plane.

Preferably, the barn door is made of plastic material plate.

Preferably, the anti-dazzling screen is to be stamped and formed out.

Compared to the prior art, the lens module of the utility model include barrel, be contained in the barrel from The second eyeglass and third eyeglass that object side is cascading to image side, are arranged between second eyeglass and the third eyeglass There is barn door, the third eyeglass includes the side of object side, image side surface and connection the object side and the image side surface, described Third eyeglass includes the optical section for imaging and the interconnecting piece that is surrounded on around the optical section, the object side at the interconnecting piece Face includes the first plane, from first plane towards object side and close to the first inclined-plane that optical axis direction extends and from described first The second plane that inclined-plane extends towards optical axis direction, the barn door include close to image side first surface and with first table The opposite second surface in face, the first surface include the third plane being bonded with first plane, from the third plane Extend towards object side and close to optical axis direction and the second inclined-plane for being bonded with first inclined-plane and from second inclined-plane towards The fourth plane that optical axis direction extends.By the contact structures between barn door and third eyeglass, interconnecting piece and shading are realized The connection of plate, can be improved the assemble stable of eyeglass, and can precise positioning so that the good in optical property of product.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model lens module；

Fig. 2 is the enlarged drawing of part A shown in Fig. 1；

Fig. 3 is the structural schematic diagram of the utility model third eyeglass and barn door.

Specific embodiment

Below in conjunction with drawings and embodiments, the utility model is described in further detail.

Referring to shown in 1 and Fig. 2, lens module 100, including barrel 1, the eyeglass 2 being contained in the barrel 1 and Light-blocking member.

Barrel 1 includes the first barrel 11 for offering light hole 110, from second of the bending extension of the first barrel 11 Wall 12 and the accommodating chamber formed by the first barrel 11 and the second barrel 12.The wherein central axis and optical axis coincidence of light hole 110, So that the light by lens module passes through light hole 110 along optical axis direction without barrier.

Eyeglass 2 includes by from object side to image side, successively common optical axis stacks the first mirror with multiple first eyeglasses 21 being arranged Piece group, the second eyeglass 22 and third eyeglass 23.

Wherein, the first eyeglass 21 is glass lens or plastic lens, and the second eyeglass 22 is plastic lens, and third eyeglass 23 is Glass lens.In present embodiment, the first eyeglass 21 altogether there are four, wherein the first eyeglass 21 near 11 side of the first barrel It both can may be plastic lens for glass lens, other first eyeglasses 21 are plastic lens.In other selectable implementations In mode, or first eyeglass 21 or multiple second eyeglasses 22 or multiple third eyeglasses 23 can be implemented.

It should be noted that the quantity and structure of eyeglass are not limited to this, lens module 100 provided by the utility model can To be suitable for the lens combination of various different structures, and the quantity of eyeglass can be it is any, specifically depend on the circumstances, in order to facilitate saying Bright, present embodiment only attempts one of example, not to the limitation of the utility model specific structure and protection scope.

Light-blocking member includes barn door 3 and anti-dazzling screen 4, wherein barn door 3 be located at the second eyeglass 22 and third eyeglass 23 it Between, anti-dazzling screen 4 have it is multiple, can be set between any two eyeglass, specifically in the present embodiment, between the first eyeglass 21 It is each provided with an anti-dazzling screen 4, anti-dazzling screen 4,22 He of the second eyeglass are also equipped between the first eyeglass 21 and the second eyeglass 22 Both it had been provided with barn door 3 between third eyeglass 23, has been also equipped with anti-dazzling screen 4, wherein anti-dazzling screen 4 is arranged in barn door 3 close to picture One side surface of side is arranged between barn door 3 and third eyeglass 23, certainly, the quantity and structure of light-blocking member are simultaneously unlimited In this.

Referring to shown in Fig. 3, eyeglass 2 includes serving as the optical section of imaging area and by the outwardly extending interconnecting piece of optical section, In, third eyeglass 23 includes the optical section 231 of corresponding light hole 110 and the interconnecting piece 232 around optical section 231.

Third eyeglass 23 includes the side 235 of object side 233, image side surface 234 and attachment side 233 and image side surface 234, The optical section 231 of third eyeglass 23 is to be recessed to image side direction.

Object side 233 at interconnecting piece 232 includes the first plane 2321, from the first plane 2321 towards object side and close The first inclined-plane 2322 and the second plane 2323 extended from the first inclined-plane 2322 towards optical axis direction that optical axis direction extends.

Corresponding, barn door 3 includes the first surface 301 and the second surface opposite with first surface 301 close to image side 302, first surface 301 include the third plane 31 being bonded with first plane 2321, from third plane 31 towards object side and Extend close to optical axis direction and the second inclined-plane 32 for being bonded with first inclined-plane 2322 and from the second inclined-plane 32 towards optical axis side To the fourth plane 33 of extension.Anti-dazzling screen 4 between the second eyeglass 22 and third eyeglass 23 is arranged in 33 He of fourth plane Between second plane 2321, fixed by fourth plane 33 and 2321 sandwiched of the second plane.

In the present embodiment, barn door 3 is that plastic plate structure is stamped and formed out, therefore can accurately control eyeglass outer diameter Precision realizes that the bank of third eyeglass 23 and barn door 3 closes company by the contact face structure between barn door 3 and third eyeglass 23 It connects, guiding role can be provided for third eyeglass 23, control risk, yields is provided, improve the assemble stable of eyeglass, and Can precise positioning so that the good in optical property of product.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other relevant technical fields, are also included in the patent protection scope of the utility model.

Claims (8)

1. a kind of lens module, including barrel, it is contained in being cascading from object side to image side in the barrel Second eyeglass and third eyeglass are provided with barn door between second eyeglass and the third eyeglass, which is characterized in that described Third eyeglass includes the side of object side, image side surface and connection the object side and the image side surface, and the third eyeglass includes Optical section for imaging and the interconnecting piece that is surrounded on around the optical section, the object side at the interconnecting piece includes first flat Face, from first plane towards object side and close to optical axis direction extend the first inclined-plane and from first inclined-plane towards optical axis The second plane that direction extends, the barn door include the first surface and opposite with the first surface second close to image side Surface, the first surface include the third plane being bonded with first plane, from the third plane towards object side and lean on The extension of dipped beam axis direction and the second inclined-plane being bonded with first inclined-plane and the extension from second inclined-plane towards optical axis direction Fourth plane.

2. lens module according to claim 1, which is characterized in that the third eyeglass is glass lens.

3. lens module according to claim 1, which is characterized in that object side at the optical section of the third eyeglass to Image side direction recess.

4. lens module according to claim 1, which is characterized in that the lens module include with second eyeglass and Multiple first eyeglasses of the third eyeglass common optical axis are provided with anti-dazzling screen between multiple first eyeglasses.

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

6. lens module according to claim 5, which is characterized in that the anti-dazzling screen is arranged in the fourth plane and institute It states between the second plane.

7. lens module according to claim 1, which is characterized in that the barn door is made of plastic material plate.

8. lens module according to claim 6, which is characterized in that the anti-dazzling screen is to be stamped and formed out.