CN208636557U - Lens module - Google Patents
Lens module Download PDFInfo
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- CN208636557U CN208636557U CN201821317721.5U CN201821317721U CN208636557U CN 208636557 U CN208636557 U CN 208636557U CN 201821317721 U CN201821317721 U CN 201821317721U CN 208636557 U CN208636557 U CN 208636557U
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- eyeglass
- abutment face
- optical axis
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- distance
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Abstract
A kind of lens module, including lens barrel and the first eyeglass, the second eyeglass and the third eyeglass that are contained in lens barrel, are set gradually from object side towards image side and mutually press, first eyeglass includes the first object side, the first image side surface, second eyeglass includes the second object side, the second image side surface, and third eyeglass includes third object side, third image side surface；First image side surface includes the first abutment face for pressing the second eyeglass, second object side includes the second abutment face for pressing the first image side surface, second image side surface includes the third abutment face for pressing third object side, third object side includes the 4th abutment face for pressing the second eyeglass, and edge of the third abutment face far from optical axis is at a distance from optical axis less than or equal to any one edge far from optical axis in the first abutment face, the second abutment face, the 4th abutment face at a distance from optical axis.Lens module provided by the utility model has the advantages of preventing lens deformation, guaranteeing lens module optical property.
Description
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.But as science and technology is more and more progressive, user is also higher and higher for the image quality requirement of lens module, existing
In the lens module of technology, two parts of lens set and lens barrel are generally comprised, lens group settings are in lens barrel, usually by least three
A eyeglass composition, is fixed by mutually compressing between each eyeglass and adjacent mirror, is located in the middle eyeglass and is arrived respectively
From the active force for the eyeglass for being located at its object side and image side surface.
However, the utility model inventors have found that in the lens module of the prior art, be located in the middle eyeglass by
Two from object side and image side surface active force imbalance, be easy to cause and be located in the middle eyeglass deformation occurs, final shadow
Ring the optical property of lens module.
Utility model content
The utility model embodiment is designed to provide a kind of lens module, and can preventing eyeglass, deformation occurs, protects
Demonstrate,prove the optical property of lens module.
In order to solve the above technical problems, the embodiments of the present invention provides a kind of lens module, comprising: lens barrel and
The first eyeglass, the second eyeglass and the third for being contained in the lens barrel, setting gradually from object side towards image side and mutually pressing
Eyeglass, first eyeglass include the first object side being oppositely arranged and the first image side surface, and second eyeglass includes opposite sets
The the second object side set and the second image side surface, the third eyeglass include the third object side being oppositely arranged and third image side surface；
First image side surface includes the first abutment face for pressing second eyeglass, and second object side includes pressure holding described first
Second abutment face of image side surface, second image side surface include the third abutment face for pressing third object side, the third
Object side includes the 4th abutment face for pressing second eyeglass, side of the third abutment face far from the lens module optical axis
Edge is at a distance from the optical axis less than or equal in first abutment face, second abutment face, the 4th abutment face
Edge of the one far from the optical axis is at a distance from the optical axis.
Compared with prior art, lens module provided by the utility model embodiment include from object side towards image side according to
Secondary the first eyeglass, the second eyeglass and the third eyeglass for being arranged and mutually pressing, the second eyeglass are located at the first eyeglass and third mirror
Between piece, the second bearing surface of the second eyeglass bears active force, third bearing surface from the first eyeglass and bears to come from third mirror
The active force of piece, the edge due to third bearing surface far from optical axis are less than or equal to the first abutment face, second at a distance from optical axis
Any one edge far from optical axis is at a distance from optical axis in abutment face, the 4th abutment face, so that the first eyeglass is to the second mirror
Piece active force and third eyeglass are on the same line to the second eyeglass active force, and what the second eyeglass was subject to comes from the first eyeglass
It is mutually balanced with the active force from the second eyeglass, to prevent the second eyeglass, deformation occurs, guarantees the optical of lens module
Energy.
In addition, the first anti-dazzling screen is provided between first eyeglass and second eyeglass, first abutment face, institute
It states the second abutment face and is abutted from opposite two sides with first anti-dazzling screen.
In addition, edge of first abutment face far from the optical axis is less than or equal to described the at a distance from the optical axis
Edge of two abutment faces far from the optical axis is at a distance from the optical axis.
In addition, edge of first abutment face far from the optical axis at a distance from the optical axis be greater than described second against
Edge of the face far from the optical axis is at a distance from the optical axis.
In addition, the second anti-dazzling screen is provided between second eyeglass and the third eyeglass, the third abutment face, institute
It states the 4th abutment face and is abutted from opposite two sides with second anti-dazzling screen.
In addition, the edge of the 4th abutment face far from the optical axis at a distance from the optical axis be greater than described first against
Any one edge far from the optical axis is at a distance from the optical axis in face and second abutment face.
Detailed description of the invention
Fig. 1 is the sectional view of lens module provided by the utility model embodiment；
Fig. 2 is the enlarged drawing in the portion A in Fig. 1.
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 embodiments of the present invention is related to a kind of lens module 100, as shown in Figure 1 and Figure 2, comprising: lens barrel 10, mirror
Cylinder 10 has accommodating space 20, contains the first eyeglass 30, the second eyeglass 40 and third eyeglass 50 in accommodating space 20；First
Eyeglass 30, the second eyeglass 40 and third eyeglass 50 set gradually towards image side from the object side of lens module 100 and mutually press.
First eyeglass 30 includes the first object side 31 for being oppositely arranged and the first image side surface 32, the second eyeglass 40 include the be oppositely arranged
Two object sides 41 and the second image side surface 42, third eyeglass 50 include the third object side 51 being oppositely arranged and third image side surface 52.
First image side surface 32 includes the first abutment face 321 of the second eyeglass 40 of pressure holding, and the second object side 41 includes the first image side surface of pressure holding
The 32 third abutment face 421 of the second abutment face 411, the second image side surface 42 including pressure holding third object side 51, third object side
51 include the 4th abutment face 511 of the second eyeglass 40 of pressure holding.There are optical axis OO ', third abutment faces at the center of lens module 100
421 edge far from optical axis OO ' at a distance from optical axis OO ' be less than or equal to the first abutment face 311, the second abutment face 411 and
Edge of any one of 4th abutment face 511 far from optical axis OO ' is at a distance from optical axis OO '.
Compared with prior art, the lens barrel 10 of lens module 100 provided by the utility model first embodiment is had
The first eyeglass for setting gradually from the object side of lens module 100 towards image side and mutually pressing is contained in some accommodating spaces 20
30, the second eyeglass 40 and third eyeglass 50, i.e. the second eyeglass 40 are located at the centre of the first eyeglass 30 and third eyeglass 50, and first
Eyeglass 30 is located at the object side of the second eyeglass 40, and third eyeglass 50 is located at the image side of the second eyeglass 40.Due to the first eyeglass 30, second
Mutually pressed between eyeglass 40 and third eyeglass 50, thus the second eyeglass 40 and the first eyeglass 30 against the second abutment face
411 will receive the first active force from the first eyeglass 30, the second eyeglass 40 and third eyeglass 50 against third abutment face 421
It will receive the second active force from third eyeglass 50.Edge and optical axis OO ' due to third abutment face 421 far from optical axis OO '
Distance be less than or equal to any one of the first abutment face 311, the second abutment face 411 and the 4th abutment face 511 far from light
The edge of axis OO ' is at a distance from optical axis OO ', to ensure that the first active force and the second active force in same straight line (in Fig. 2
Dotted line NN ') on, since the first active force and the second active force are on same straight line, the two is mutually balanced, so that second
The stress of eyeglass 40 reaches the state of a balance, prevents the second eyeglass 40 since deformation occurs for force unbalance, it is ensured that the
The stability of the optical property of two eyeglasses 40, to ensure that the optical property of lens module.
Preferably, in the present embodiment, the first anti-dazzling screen 60 is provided between the first eyeglass 30 and the second eyeglass 40, the
One abutment face 311 and the second abutment face 411 are abutted from the object side of the first anti-dazzling screen 60 and image side with the first anti-dazzling screen 60 respectively.I.e.
First eyeglass 30 is abutted with the first anti-dazzling screen 60, contact surface is the first abutment face 311, and the second eyeglass 40 is supported with the first anti-dazzling screen 60
It connects, contact surface is the second abutment face 411.
Specifically, in the present embodiment, edge of first abutment face 311 far from optical axis OO ' is small at a distance from optical axis OO '
In edge of second bearing surface 411 far from optical axis OO ' at a distance from optical axis OO '.It should be noted that the first abutment face 311 is remote
Edge of the edge at a distance from optical axis OO ' less than the second bearing surface 411 far from optical axis OO ' from optical axis OO ' and optical axis OO ' away from
It illustrates from only one of present embodiment situation, in fact, edge and optical axis of first abutment face 311 far from optical axis OO '
The distance of OO ' can also be greater than or equal to edge of second bearing surface 411 far from optical axis OO ' at a distance from optical axis OO ', only need to protect
It demonstrate,proves the edge of the first abutment face 311 and the second bearing surface 411 far from optical axis OO ' and the is all larger than or be equal at a distance from optical axis OO '
Edge of three bearing surfaces 421 far from optical axis OO ' is at a distance from optical axis OO '.
Further, in the present embodiment, the second anti-dazzling screen 70 is provided between the second eyeglass 40 and third eyeglass 50,
Third abutment face 421 and the 4th abutment face 511 are abutted from the object side of the first anti-dazzling screen 60 and image side with the first anti-dazzling screen 60 respectively.
That is the second eyeglass 40 is abutted with the second anti-dazzling screen 70, contact surface is third abutment face 421, third eyeglass 50 and the second anti-dazzling screen 70
It abuts, contact surface is the 4th abutment face 511.
More preferably, in the present embodiment, edge of the 4th abutment face 50 far from optical axis OO ' is big at a distance from optical axis OO '
Any one edge far from optical axis OO ' is at a distance from optical axis OO ' in the first abutment face 311 and the second abutment face 411.It needs
Bright, edge of the 4th abutment face 511 far from optical axis OO ' is greater than the first abutment face 311 and second at a distance from optical axis OO ' to be supported
Any one edge far from optical axis OO ' is one of present embodiment concrete condition at a distance from optical axis OO ' in face 411
Citing, in the other embodiments of the utility model, the first bearing surface 311, the second bearing surface 411 and the 4th bearing surface
Size relation of edge of 511 threes far from optical axis OO ' at a distance from optical axis OO ' can also be other situations, herein without
It enumerates, need to only guarantee the first abutment face 311, the second bearing surface 411 and the 4th edge of the bearing surface 511 far from optical axis OO '
It is all larger than at a distance from optical axis OO ' or equal to edge of the third bearing surface 421 far from optical axis OO ' at a distance from optical axis OO '.
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 (6)
1. a kind of lens module, including lens barrel and it is contained in the lens barrel, sets gradually from object side towards image side and mutually press
The first eyeglass, the second eyeglass and the third eyeglass held, first eyeglass include the first object side and first being oppositely arranged
Image side surface, second eyeglass include the second object side being oppositely arranged and the second image side surface, and the third eyeglass includes opposite
The third object side of setting and third image side surface；First image side surface includes the first abutment face for pressing second eyeglass,
Second object side includes the second abutment face for pressing first image side surface, and second image side surface includes pressing described the
The third abutment face of three object sides, third object side include the 4th abutment face for pressing second eyeglass, and feature exists
In,
Edge of the third abutment face far from the lens module optical axis is less than or equal to described the at a distance from the optical axis
One abutment face, second abutment face, any one in the 4th abutment face edge and the optical axis far from the optical axis
Distance.
2. lens module according to claim 1, which is characterized in that set between first eyeglass and second eyeglass
It is equipped with the first anti-dazzling screen, first abutment face, second abutment face are abutted from opposite two sides with first anti-dazzling screen.
3. lens module according to claim 2, which is characterized in that the edge of first abutment face far from the optical axis
With at a distance from the optical axis be less than or equal to edge of second abutment face far from the optical axis at a distance from the optical axis.
4. lens module according to claim 2, which is characterized in that the edge of first abutment face far from the optical axis
With at a distance from the optical axis be greater than edge of second abutment face far from the optical axis at a distance from the optical axis.
5. lens module according to claim 1, which is characterized in that set between second eyeglass and the third eyeglass
It is equipped with the second anti-dazzling screen, the third abutment face, the 4th abutment face are abutted from opposite two sides with second anti-dazzling screen.
6. lens module according to claim 5, which is characterized in that edge of the 4th abutment face far from the optical axis
Be greater than any one edge far from the optical axis in first abutment face and second abutment face at a distance from the optical axis
At a distance from the optical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821317721.5U CN208636557U (en) | 2018-08-15 | 2018-08-15 | Lens module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821317721.5U CN208636557U (en) | 2018-08-15 | 2018-08-15 | Lens module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208636557U true CN208636557U (en) | 2019-03-22 |
Family
ID=65742439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821317721.5U Active CN208636557U (en) | 2018-08-15 | 2018-08-15 | Lens module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208636557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021009388A (en) * | 2019-06-30 | 2021-01-28 | エーエーシー オプティックス ソリューションズ ピーティーイー リミテッド | Lens module |
-
2018
- 2018-08-15 CN CN201821317721.5U patent/CN208636557U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021009388A (en) * | 2019-06-30 | 2021-01-28 | エーエーシー オプティックス ソリューションズ ピーティーイー リミテッド | Lens module |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200430 Address after: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore Patentee after: Raytheon solutions Pte Ltd Address before: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore Patentee before: Raytheon Technology (Singapore) Co., Ltd |