CN208188464U

CN208188464U - Lens module

Info

Publication number: CN208188464U
Application number: CN201820249739.XU
Authority: CN
Inventors: 万佳
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2018-02-09
Filing date: 2018-02-09
Publication date: 2018-12-04
Anticipated expiration: 2028-02-09

Abstract

The lens module of the utility model includes barrel, the second eyeglass being contained in the barrel and third eyeglass, barn door is provided between second eyeglass and the third eyeglass, bank conjunction is connected barn door between the second eyeglass, third eyeglass and barrel respectively.The structure of the utility model, 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 second eyeglass and third eyeglass being cascading in barrel from the lateral image side of object, second eyeglass and the third mirror Barn door is provided between piece, the barn door includes the first surface of close image side, opposite with the first surface second Surface and connect the first surface and the second surface and the side far from optical axis, second eyeglass include at Second optical section of picture and the second connecting portion being surrounded on around second optical section, the third eyeglass includes for being imaged Third optical section and the third interconnecting piece that is surrounded on around the third optical section, second eyeglass include the second object side Face, the second image side surface and connection second object side and second image side surface and the second side far from optical axis, described the Three eyeglasses include third object side, third image side surface and connection third object side and the third image side surface and separate optical axis Third side, the third object side at the third interconnecting piece include the first plane, from first plane towards object side and Close to the first inclined-plane that optical axis direction extends and the second plane extended from first inclined-plane towards optical axis direction, the shading The first surface of plate includes the third plane being bonded with first plane, from the third plane towards object side and close to optical axis Direction extends and the second inclined-plane being bonded with first inclined-plane and the extend from second inclined-plane towards optical axis direction the 4th Plane, the second image side surface at the second connecting portion include the 5th plane, from the 5th plane towards object side and lean on dipped beam The third inclined-plane and the 6th plane that extends from the third inclined-plane towards optical axis direction that axis direction extends, the of the barn door Two surfaces include the 7th plane being bonded with the 5th plane, prolong from the 7th plane towards object side and close to optical axis direction It stretches and the 4th inclined-plane being bonded with the third inclined-plane and the 8th plane extended from the 4th inclined-plane towards optical axis direction, institute The 6th plane and the 8th interplanar are stated every setting.

Preferably, the second surface of the barn door further comprises from the 8th plane towards image side and close to optical axis The 5th inclined-plane and the 9th plane extended from the 5th inclined-plane towards optical axis direction, the 5th inclined-plane and institute that direction extends It states the 9th plane and forms the escape groove for avoiding second eyeglass.

Preferably, anti-dazzling screen is equipped between the barn door and the third eyeglass, the shading piece clamp is held in the screening Between the fourth plane of tabula rasa and the second plane of the third eyeglass.

Preferably, anti-dazzling screen is provided between first eyeglass and second eyeglass.

Preferably, the second image side of second eyeglass is recessed to form glue groove towards the direction of second object side.

Preferably, the first glue groove is formed between the third joint face and the barrel of the third eyeglass.

Preferably, the third object side of the third eyeglass is recessed to form the second appearance glue to the direction of the third image side surface Slot, first glue groove be that the second glue groove is connected to.

Compared to the prior art, the lens module of the utility model include barrel, be contained in the barrel One eyeglass, the second eyeglass and third eyeglass are provided with barn door, barn door point between second eyeglass and the third eyeglass Do not cooperate between the second eyeglass, third eyeglass and barrel and is connected.The assembling of eyeglass can be improved in the structure of the utility model Stability, 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 second eyeglass 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 1 to shown in Fig. 3, lens module 100, including barrel 1, the eyeglass 2 being contained in the barrel 1, with 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 include by from object side to image side successively common optical axis stack setting with the first eyeglass 21, the second eyeglass 22, Third eyeglass 23, the 4th eyeglass 24 and the 5th eyeglass 25, the first eyeglass 21, the second eyeglass 22, third eyeglass 23, the 4th eyeglass 24 And the 5th eyeglass 25 be plastic lens, in selectable other embodiments, also may include glass lens, being can With implementation.

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, and in the present embodiment, barn door 3 is two, is located at second The first barn door 30 between eyeglass 22 and third eyeglass 23 and the second shading between the 4th eyeglass 24 and the 5th eyeglass 25 Plate 300, anti-dazzling screen 4 is between two neighboring eyeglass 2, for example, between first eyeglass 21 and second eyeglass 22, or Between person's barn door 3 and eyeglass 2, certainly, the quantity and structure of light-blocking member are not limited to this.

Eyeglass 2 is including serving as the optical section of imaging area and by the outwardly extending interconnecting piece of optical section, specifically, the second eyeglass 22 include the second optical section 221 of corresponding light hole 110 and the second connecting portion 222 around the second optical section 221；Third eyeglass 23 include the third optical section 231 of corresponding light hole 110 and the third interconnecting piece 232 around third optical section 231.

Second eyeglass 22 includes the second object side 223, the second image side surface 224 and connection second object side 223 and the The second side 225 of two image side surfaces 224 and separate optical axis, third eyeglass 23 include third object side 233, third image side surface 234 And the connection third image side surface 234 is with third object side 233 and far from the third side 235 of optical axis.

Third object side 233 at third interconnecting piece 232 includes the first plane 2321, from the first plane 2321 towards object side And close to the first inclined-plane 2322 that optical axis direction extends and the second plane extended from the first inclined-plane 2322 towards optical axis direction 2323。

Corresponding, the first barn door 30 includes the first surface 301 of close image side, opposite with first surface 301 second The first side 303 of surface 302 and connection first surface 301 and second surface 302 and separate optical axis, first surface 301 include The third plane 31 that is bonded with the first plane 2321, extend from third plane 31 towards object side and close to optical axis direction and with it is described Second inclined-plane 32 of the first inclined-plane 2322 fitting and the fourth plane 33 extended from the second inclined-plane 32 towards optical axis direction.That is third Bumpy ridge joining between eyeglass 23 and the first barn door 30.

Anti-dazzling screen 4 is equipped between first barn door 31 and the third eyeglass 23, the anti-dazzling screen 4 is held on described Between the fourth plane 33 of first barn door 30 and the second plane 2323 of the third eyeglass 23.

The second image side surface 224 at second connecting portion 222 includes the 5th plane 2221, from the 5th plane 2221 towards object side And extend close to the third inclined-plane 2222 that optical axis direction extends and from the third inclined-plane 2222 towards optical axis direction the 6th flat Face 2223, it is corresponding, the second surface 302 of the first barn door 30 include the 7th plane 34 being bonded with the 5th plane 2221, from 7th plane 34 extends towards object side and close to optical axis direction and the 4th inclined-plane 35 that is bonded with third inclined-plane 2222 and from the 4th The 8th plane 36 that inclined-plane 35 extends towards optical axis direction, wherein the 6th plane 2223 is set with the 8th plane 36 interval It sets.Second image side surface 224 of second eyeglass 22 is recessed to form glue groove 51 to the direction of second object side 223.Institute It states and forms the first glue groove 52 between the third joint face 235 of third eyeglass 23 and second barrel 12, the third eyeglass 235 third object side 233 is recessed to form the second glue groove 53 to the direction of the third image side surface 234, and described first holds glue Slot 52 be that the second glue groove 53 is connected to, by the way that glue is arranged in glue groove 51, the first glue groove 52 and the second glue groove 53 So that eyeglass 2 further fixes.

The second surface 302 of first barn door 30 further comprises from the 8th plane 36 towards image side and leaning on The 5th inclined-plane 37 and the 9th plane 38 extended from the 5th inclined-plane 37 towards optical axis direction that dipped beam axis direction extends, institute It states the 5th inclined-plane 37 and forms the escape groove 39 for avoiding second eyeglass 22 with the 9th plane 38.

By the contact face structure between the first barn door 30 and third eyeglass 23 and the second eyeglass 22, third eyeglass is realized 23, the bumpy ridge joining of the second eyeglass 22 and the first barn door 30 can provide guiding and make for third eyeglass 23 and the second eyeglass 22 With, control risk, yields be provided, improve the assemble stable of eyeglass, and can precise positioning so that the optical property of product It is good.

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

1. a kind of lens module including barrel, is contained in be cascading in the barrel from the lateral image side of object Two eyeglasses and third eyeglass are provided with barn door between second eyeglass and the third eyeglass, which is characterized in that the screening Tabula rasa include close to the first surface of image side, the second surface opposite with the first surface and connect the first surface and The side of the second surface and separate optical axis, second eyeglass include the second optical section for imaging and are surrounded on described Second connecting portion around second optical section, the third eyeglass include the third optical section for imaging and are surrounded on described Third interconnecting piece around three optical sections, second eyeglass include the second object side, the second image side surface and connection described second The second side of object side and second image side surface and separate optical axis, the third eyeglass includes third object side, third picture Side and connection third object side and the third image side surface and the third side far from optical axis, at the third interconnecting piece Third object side include the first plane, from first plane towards object side and close to optical axis direction extend the first inclined-plane and The second plane extended from first inclined-plane towards optical axis direction, the first surface of the barn door include with it is described first flat Face paste close third plane, from the third plane towards object side and close to optical axis direction extend and be bonded with first inclined-plane The second inclined-plane and the fourth plane that extends from second inclined-plane towards optical axis direction, the second picture at the second connecting portion Side includes the 5th plane, from the 5th plane towards object side and close to the third inclined-plane that optical axis direction extends and from described the The 6th plane that three inclined-planes extend towards optical axis direction, the second surface of the barn door include being bonded with the 5th plane 7th plane extends from the 7th plane towards object side and close to optical axis direction and be bonded with the third inclined-plane the 4th oblique Face and the 8th plane extended from the 4th inclined-plane towards optical axis direction, the 6th plane and the 8th interplanar are every setting It sets.

2. lens module according to claim 1, which is characterized in that the second surface of the barn door further comprises certainly 8th plane is towards image side and close to the 5th inclined-plane that optical axis direction extends and from the 5th inclined-plane towards optical axis direction The 9th plane extended, the 5th inclined-plane and the 9th plane form the escape groove for avoiding second eyeglass.

3. lens module according to claim 1, which is characterized in that be equipped between the barn door and the third eyeglass Anti-dazzling screen, the shading piece clamp are held between the fourth plane of the barn door and the second plane of the third eyeglass.

4. lens module according to claim 1, which is characterized in that second eyeglass close to object side side be provided with First eyeglass of second eyeglass and the third eyeglass common optical axis.

5. lens module according to claim 4, which is characterized in that set between first eyeglass and second eyeglass It is equipped with anti-dazzling screen.

6. lens module according to claim 1, which is characterized in that the second image side of second eyeglass is towards described The direction of two object sides is recessed to form glue groove.

7. lens module according to claim 1, which is characterized in that the third joint face and the mirror of the third eyeglass The first glue groove is formed between head cylinder.

8. lens module according to claim 7, which is characterized in that the third object side of the third eyeglass is to described The direction of three image side surfaces is recessed to form the second glue groove, first glue groove be that the second glue groove is connected to.