CN207965440U - Pressure ring and lens assembly - Google Patents
Pressure ring and lens assembly Download PDFInfo
- Publication number
- CN207965440U CN207965440U CN201820249738.5U CN201820249738U CN207965440U CN 207965440 U CN207965440 U CN 207965440U CN 201820249738 U CN201820249738 U CN 201820249738U CN 207965440 U CN207965440 U CN 207965440U
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- CN
- China
- Prior art keywords
- pressure ring
- absorbing layer
- light absorbing
- image side
- lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Lens Barrels (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The utility model provides a kind of pressure ring, and the pressure ring is hollow annular structure, and the pressure ring includes：Object side, the image side surface being oppositely arranged with the object side and the side wall for connecting the object side and image side surface, the side wall includes the medial surface and the lateral surface that is oppositely arranged with the medial surface close to optical axis, it is characterized in that, light absorbing layer is provided on the pressure ring, the light absorbing layer is honeycomb structure.The pressure ring can effectively weaken veiling glare, ensure good image quality.The invention also discloses a kind of lens assemblies with the pressure ring.
Description
【Technical field】
The utility model is related to optical image technology field, particularly a kind of pressure ring and lens assembly.
【Background technology】
Optical lens assembly is widely used in consumer digital product, such as mobile phone, laptop, toy, industrial detection,
The fields such as automobile mounted camera and medical treatment.Development with imaging technique and the electronic product with camera function it is extensive
It uses, optical lens assembly is widely used in the every field of life.Optical lens assembly when in use, due to light reflection make
With, in imaging process, the light that lens assembly is incident upon from all angles is easy to form light disturbance in lens assembly, thus
It is susceptible to obvious veiling glare in real scene shooting picture, reduces image quality.
For example, after light enters lens barrel, it is incident on pressure ring after optical filter reflects, light is entered after pressure ring reflects
It learns inside lens assembly, veiling glare can be caused.
【Utility model content】
To solve the above-mentioned problems, the utility model provides a kind of pressure ring and lens assembly, which is hollow and annular
Structure, the pressure ring include：Object side, the image side surface being oppositely arranged with the object side and it connect the object side and picture
The side wall of side, the side wall include the medial surface and the lateral surface that is oppositely arranged with the medial surface close to optical axis, feature
It is, light absorbing layer is provided on the pressure ring, and the light absorbing layer is honeycomb structure.
As an improvement the light absorbing layer is formed by 3 D-printing.
As an improvement being provided with the light absorbing layer on the medial surface.
As an improvement being provided with the light absorbing layer on the image side surface.
As an improvement the medial surface includes tilting to extend from one end of the close optical axis of the object side to image side
The first joint face and from it is described first connection away from optical axis direction tilt extend the second joint face, the image side bread
It includes from one end of the close image side of second joint face to horizontal-extending first plane in direction far from optical axis, described second
It is both provided with the light absorbing layer in joint face and first plane.
As an improvement being provided with the light absorbing layer on the object side.
A kind of lens assembly, includes lens barrel with receiving space, the lens set being contained in the receiving space, described
Lens assembly further includes the pressure ring in above-mentioned technical proposal, and the pressure ring is set to the image side of the lens assembly and by the mirror
Piece group is fixed in the lens barrel, and the object side is abutted with the lens set.
The utility model has the beneficial effects that：The pressure ring and lens assembly of the utility model, by the way that light is arranged on pressure ring
Absorbed layer, be absorbed into pressure ring forms the veiling glare influenced to imaging effect, cuts down the reflex of veiling glare in pressure ring significantly,
Interference of the veiling glare to lens assembly effectively is weakened, effectively improves image quality.
【Description of the drawings】
Fig. 1 is the structural schematic diagram of the pressure ring of the utility model embodiment；
Fig. 2 is the structural schematic diagram of the lens assembly of the utility model embodiment；
Fig. 3 is the partial enlarged view of A in Fig. 2.
【Specific implementation mode】
The utility model is described in further detail below by specific implementation mode combination Fig. 1, Fig. 2 and Fig. 3, so as to
The advantages of better understood when the embodiment of the utility model and its various aspects.Below in an example, following tool is provided
The purpose of body embodiment is easy for becoming apparent from thorough explanation to present disclosure, rather than to the limit of the utility model
System.The words of the wherein indicating positions such as upper and lower, left and right is only for shown structure in the accompanying drawings position.
As depicted in figs. 1 and 2, the utility model embodiment provides a kind of pressure ring 10, which is hollow annular structure,
The pressure ring includes：The side for the image side surface and attachment side 11 and image side surface that object side 11 and object side 11 are oppositely arranged
Wall, side wall include the medial surface and the lateral surface 14 that is oppositely arranged with medial surface close to optical axis, and light absorption is provided on pressure ring 10
Layer 1211, the light absorbing layer 1211 is cellular by several pit formations.
As shown in Figures 2 and 3, straight line with the arrow represents the incident direction of light.Enter the light on pressure ring 10 in light
It after absorbed layer 1211, is constantly reflected in the plane crater wall of light absorbing layer 1211, consumes energy.Therefore, in the present embodiment,
It is provided with light absorbing layer 1211 on pressure ring 10, can effectively cut down the reflex for the light being incident on pressure ring 10, pass through suction
Receive the veiling glare that interference is generated to imaging effect, it is therefore prevented that the further reflection of light, to effectively weaken inside lens assembly
Veiling glare phenomenon, effectively improve image quality.
In the utility model embodiment, light absorption 1211 is formed by 3 D-printing.
Specifically, light absorbing layer can be provided on the medial surface of pressure ring, light suction has been may also set up on the image side surface of pressure ring
Receive layer.It can also be provided with light absorbing layer simultaneously on medial surface and on image side surface.
As shown in figures 1 and 3, a part for medial surface is provided with light absorbing layer 1211, and a part for image side surface is also provided with
There is light absorbing layer.Specifically, medial surface includes tilting first extended from one end of the close optical axis 21 of object side 11 to image side
Joint face 131 and the second joint face 132 that extension is tilted from the first joint face 131 to separate optical axis direction, image side surface includes certainly
To horizontal-extending first plane 121 in direction far from optical axis 21, second connects for one end of the close image side of second joint face 132
It is both provided with light absorbing layer in face 132 and the first plane 131.
It can also be provided with light absorbing layer on the object side 11 of pressure ring.Light absorbing layer on object side 11 and medial surface and picture
The light absorbing layer technique effect having the same of side can further weaken veiling glare, improve image quality.
The utility model embodiment also provides a kind of lens assembly 20, includes lens barrel 25 with receiving space, is contained in
Lens set in receiving space, lens assembly further include the pressure ring 10 in above-mentioned technical proposal, and pressure ring 10 is set to lens assembly
Image side and lens set is fixed in lens barrel 25, object side is abutted with the eyeglass 223 in lens set.
Wherein, lens barrel 25, optical filter 26, holder 27 and sensor 28 are arranged in order in the utility model embodiment, are being had
In body application, sensor can also be set to the bottom in internal stent space.
As shown in Fig. 2, in the utility model embodiment, lens set includes first along 21 direction of optical axis from object side to image side
Eyeglass 221, the first anti-dazzling screen 231, the second eyeglass 222, the second anti-dazzling screen 232, third eyeglass 223, barn door 24, third shading
Piece 233, the 4th eyeglass 224, pressure ring 10.
The number of the eyeglass of the lens set can be for 1,2 or multiple, and selection setting is carried out according to different demands,
It is not limited to as shown in Figure 24.
Shading piece includes optical filter and barn door, and shading piece can stop veiling glare to a certain extent.
As shown in Fig. 2, lens set is folded in along optical axis direction between the barrel of lens barrel and pressure ring.Pressure ring 10 can fasten mirror
The component parts such as lens set inside head assembly and the shading piece that is folded between lens set, to entire lens assembly internal junction
Structure plays firm effect.
In the utility model embodiment, it is provided with light absorbing layer on pressure ring 10, which has multiple flat pits
Wall is incident on the light in light absorbing layer through multiple reflections, and energy is weakened, and can play the technique effect for weakening veiling glare.
As shown in Fig. 2, in the lens assembly that the utility model embodiment provides, 26 lower section of optical filter is provided with holder
27, optical filter 26 can be supported.Sensor 28 is set to internal stent or holder lower part, which can be light sensor
Device, for being incuded light incident thereon to be further processed.
Compared with prior art, the pressure ring and lens assembly of the utility model is inhaled by the way that light absorbing layer is arranged on pressure ring
The veiling glare for forming influence on imaging effect for entering pressure ring is received, the reflex of veiling glare in pressure ring is cut down significantly, effectively weakens
Interference of the veiling glare to lens assembly, effectively improves image quality.
Above-described is only the embodiment of the utility model, it should be noted here that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to this practicality
Novel protection domain.
Claims (7)
1. a kind of pressure ring, which is characterized in that the pressure ring is hollow annular structure, and the pressure ring includes：Object side and the object
The side wall of image side surface and connection the object side and image side surface that side is oppositely arranged, the side wall include close to optical axis
Medial surface and the lateral surface being oppositely arranged with the medial surface are provided with light absorbing layer on the pressure ring, and the light absorbing layer is
Honeycomb structure.
2. pressure ring according to claim 1, which is characterized in that the light absorbing layer is formed by 3 D-printing.
3. pressure ring according to claim 1, which is characterized in that be provided with the light absorbing layer on the medial surface.
4. pressure ring according to claim 3, which is characterized in that be provided with the light absorbing layer on the image side surface.
5. pressure ring according to claim 4, which is characterized in that the medial surface includes the close optical axis from the object side
One end tilt the first joint face extended to image side and tilt the extended away from optical axis direction from first connection
Two joint faces, the image side surface include prolonging from one end of the close image side of second joint face to the direction level far from optical axis
It is both provided with the light absorbing layer in the first plane stretched, second joint face and first plane.
6. pressure ring according to claim 1, which is characterized in that be provided with the light absorbing layer on the object side.
Include lens barrel with receiving space, the lens set being contained in the receiving space, feature 7. a kind of lens assembly
It is, the lens assembly further includes such as claim 1 to 6 any one of them pressure ring, and the pressure ring is set to the camera lens
The lens set is simultaneously fixed in the lens barrel by the image side of component, and the object side is abutted with the lens set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820249738.5U CN207965440U (en) | 2018-02-09 | 2018-02-09 | Pressure ring and lens assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820249738.5U CN207965440U (en) | 2018-02-09 | 2018-02-09 | Pressure ring and lens assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207965440U true CN207965440U (en) | 2018-10-12 |
Family
ID=63739213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820249738.5U Active CN207965440U (en) | 2018-02-09 | 2018-02-09 | Pressure ring and lens assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207965440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020258340A1 (en) * | 2019-06-28 | 2020-12-30 | 常州市瑞泰光电有限公司 | Lens module and electronic device |
-
2018
- 2018-02-09 CN CN201820249738.5U patent/CN207965440U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020258340A1 (en) * | 2019-06-28 | 2020-12-30 | 常州市瑞泰光电有限公司 | Lens module and electronic device |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200429 Address after: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore Patentee after: Raytheon solutions Pte Ltd Address before: No. 8, 1st floor, Tongju Science and Technology Building, 10 65th Street, Hongmao Bridge, Singapore Patentee before: Raytheon Technology (Singapore) Co., Ltd |