CN205608268U - Lens structure's anti -dazzling screen and lens structure - Google Patents
Lens structure's anti -dazzling screen and lens structure Download PDFInfo
- Publication number
- CN205608268U CN205608268U CN201620359167.1U CN201620359167U CN205608268U CN 205608268 U CN205608268 U CN 205608268U CN 201620359167 U CN201620359167 U CN 201620359167U CN 205608268 U CN205608268 U CN 205608268U
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- CN
- China
- Prior art keywords
- circle
- center
- perforation
- brake sack
- minor diameter
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Abstract
The utility model provides an anti -dazzling screen and a lens structure of lens structure, this anti -dazzling screen contains a body, these body central authorities have a perforation, this body definition centre of a circle, two at least big footpath portions and two at least path portions are divided into with the central angle in this centre of a circle to this body, it winds this centre of a circle staggered arrangement with these a little path portions to be somebody's turn to do a little big footpaths portions, the distance of respectively should big footpath portion keeping away from this centre of a circle department to this centre of a circle most is greater than respectively, and this path portion keeps away from the extremely distance in this centre of a circle of this centre of a circle department most, the periphery that makes this anti -dazzling screen is for non -circular.
Description
Technical field
This utility model is related to the brake sack of a kind of optical lens and a kind of optical lens.
Background technology
General optical lens is generally equiped with brake sack to reduce scattered light, and brake sack is usually circular and central
Have a perforation to pass through for light, but, owing to shading piece clamp is located between objective carrier and eyeglass, can be pushed against by eyeglass
And producing stress, eyeglass also can be had the problem that cannot precisely install by the counteracting force of brake sack.
Therefore, how to reduce brake sack subjected to stress, be considerable problem promoting in imaging usefulness.
Utility model content
Main purpose of the present utility model is the brake sack providing a kind of lens construction and a kind of optical lens, can be effective
Reduce the stress extruded by eyeglass after assembling, it is ensured that brake sack can be exactly fitted in camera lens.
For reaching above-mentioned purpose, this utility model provides the brake sack of a kind of lens construction, comprises a body, in this body
Centre has a perforation, this ontology definition one center of circle, this body with the central angle in this center of circle divide at least two large-diameter portion with extremely
Few two minor diameter parts, those large-diameter portions are staggered around this center of circle with those minor diameter parts, and respectively this large-diameter portion is farthest away from this circle centre position
To the distance in this center of circle more than respectively this minor diameter part is farthest away from this circle centre position to the distance in this center of circle, the periphery making this brake sack is non-
Circular.
Further, respectively the central angle shared by this large-diameter portion is mutually the same, respectively the central angle shared by this minor diameter part also that
This is identical.
Further, respectively this large-diameter portion is arc-shaped with respectively this minor diameter part farthest away from this circle centre position.
Further, this ontology definition one passes this center of circle and is perpendicular to the axis of this body, and this body is in this perforation
Being formed around a protuberance, this protuberance is protruding along this axis, makes this perforation and this body portion in addition to this protuberance
Divide the most at grade.
Further, this perforation inner peripheral surface is formed radially plurality of grooves towards periphery, in those grooves and this perforation
Edge surface then constitutes a plurality of concavo-convex micro structure.
For reaching above-mentioned purpose, this utility model also provides for a kind of lens construction, comprises a brake sack, and this brake sack comprises
One body, this body center has a perforation, and this ontology definition one center of circle, this body is divided at least with the central angle in this center of circle
Two large-diameter portions and at least two minor diameter part, those large-diameter portions are staggered around this center of circle with those minor diameter parts, respectively this large-diameter portion
It is more than respectively this minor diameter part farthest away from this circle centre position to the distance in this center of circle and, farthest away from this circle centre position to the distance in this center of circle, makes this screening
The periphery of mating plate is non-circular；One objective carrier and at least one eyeglass, this shading piece clamp is located between this objective carrier and this eyeglass.
Further, respectively the central angle shared by this large-diameter portion is mutually the same, respectively the central angle shared by this minor diameter part also that
This is identical.
Further, respectively this large-diameter portion is arc-shaped with respectively this minor diameter part farthest away from this circle centre position.
Further, this ontology definition one passes this center of circle and is perpendicular to the axis of this body, and this body is in this perforation
Being formed around a protuberance, this protuberance is protruding along this axis, makes this perforation and this body portion in addition to this protuberance
Divide the most at grade.
Further, this perforation inner peripheral surface is formed radially plurality of grooves towards periphery, in those grooves and this perforation
Edge surface then constitutes a plurality of concavo-convex micro structure.
The beneficial effects of the utility model are:
The brake sack that this utility model provides can reduce the stress because being pressed against each other generation with eyeglass, to guarantee that assemble determines
Position property and accuracy, improving optical usefulness.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of brake sack of the present utility model.
Fig. 2 is the front view of other enforcement aspects of brake sack of the present utility model.
Fig. 3 is the axonometric chart of the brake sack of this utility model the second embodiment.
Fig. 4 is the front view of other enforcement aspects of brake sack of this utility model the second embodiment.
Fig. 5 is the axonometric chart of the brake sack of this utility model the 3rd embodiment.
Fig. 6 is the front view of other enforcement aspects of brake sack of this utility model the 3rd embodiment.
Fig. 7 is the three-dimensional exploded view of lens construction of the present utility model.
Fig. 8 is the front view of lens construction of the present utility model.
Fig. 9 is the profile of lens construction of the present utility model.
Reference
10,10a, 10b, 10c, 10d, 10e, 10f, 10g: body；11: perforation；111: the center of circle；12: large-diameter portion；13: little
Footpath portion；20,20a, 20b, 20c, 20d, 20e, 20f, 20g: body；21: perforation；211: the center of circle；212: micro structure；22: big footpath
Portion；23: minor diameter part；30,30a, 30b, 30c, 30d, 30e, 30f: body；31: perforation；311: the center of circle；312: micro structure；32:
Large-diameter portion；33: minor diameter part；34: protuberance；40: objective carrier；50: eyeglass.
Detailed description of the invention
Hereinafter only with embodiment, the enforcement aspect that this utility model is possible is described, so and be not used to limit this utility model institute
Category to be protected, conjunction is first chatted bright.
Refer to Fig. 1, Fig. 3, Fig. 5, this utility model provides the brake sack of a kind of lens construction, comprise a body 10,20,
30, this body 10,20,30 can be any material such as plastic cement, metal, these body 10,20,30 central authorities have a perforation 11,21,
31, this body 10,20,30 definition one center of circle 111,211,311, this body 10,20,30 is with the circle in this center of circle 111,211,311
Heart angular region is divided at least two large-diameter portion 12,22,32 and at least two minor diameter part 13,23,33, those large-diameter portions 12,22,32 with
Those minor diameter parts 13,23,33 are staggered around this center of circle 111,211,311, and respectively this large-diameter portion 12,22,32 is farthest away from this center of circle
111, at 211,311 to the distance in this center of circle 111,211,311 more than respectively this minor diameter part 13,23,33 farthest away from this center of circle 111,
211, to the distance in this center of circle 111,211,311 at 311, the periphery making this brake sack is non-circular.Preferably, respectively this large-diameter portion
12, the central angle shared by 22,32 is mutually the same, and respectively this central angle shared by minor diameter part 13,23,33 is the most mutually the same, and respectively should
Large-diameter portion 12,22,32 and respectively this minor diameter part 13,23,33 are farthest away from being arc-shaped at this center of circle 111,211,311.
Being noted that in the first embodiment especially, this large-diameter portion 12 is respectively 4, so with the number of this minor diameter part 13
And, it is possible to as shown in Figure 2, this body 10a, 10b, 10c, 10d, 10e, 10f, 10g can have different number of large-diameter portion or
Minor diameter part.Certainly, it is possible to being not limited to the multi-petal shape shape shown in Fig. 1, triangle even polygon also may conform to of the present utility model
Define and reach similar effect.
Additionally, refer to Fig. 3 and Fig. 4, in this embodiment, this body 20,20a, 20b, 20c, 20d, 20e, 20f, 20g
Perforation 21 inner peripheral surface be formed radially plurality of grooves towards periphery, those grooves then constitute a plurality of with this perforation inner peripheral surface
Concave-convex micro-structure 212, to help reducing scattered light.
Even, as shown in figs. 5 and 6, this body 30,30a, 30b, 30c, 30d, 30e, 30f definition one are through this center of circle
311 and be perpendicular to this body 30, the axis of 30a, 30b, 30c, 30d, 30e, 30f, this body 30,30a, 30b, 30c, 30d,
30e, 30f are formed around a protuberance 34 in this perforation 31, and this protuberance 34 is protruding along this axis, make this perforation 31 and this
Body 30,30a, 30b, 30c, 30d, 30e, 30f part in addition to this protuberance 34 the most at grade, thereby with protrusion
Eyeglass coordinate preferably, this body 30,30a, 30b, 30c, 30d, 30e, 30f perforation 31 inner peripheral surface towards periphery radially
Forming plurality of grooves, those grooves and this perforation inner peripheral surface then constitute a plurality of concave-convex micro-structure 312.
Refer to Fig. 7 to Fig. 9, this utility model simultaneously and provides a kind of lens construction, comprises above-mentioned brake sack (at this
Embodiment is with the body 30 of Fig. 5 as representative), and comprise an objective carrier 40 and at least one eyeglass 50, wherein this shading piece clamp
Being located between this objective carrier 40 and this eyeglass 50, particularly, this brake sack circle is between objective carrier and first eyeglass, brighter
For Que, the front end face of this objective carrier 40 forms a perforate, and this eyeglass 50 middle body has an optic, and this perforate, this wears
Hole is corresponding with this optic position each other, and those large-diameter portions 32 are sandwiched, to fix this with this eyeglass 50 institute by this objective carrier 40
The position of body 30.
About the actual usefulness of the brake sack that this utility model provides, with this utility model with conventional circular brake sack same
Testing under the conditions of sample, general circular brake sack periphery circular design, so that this brake sack circumference can be by lens construction
First eyeglass comprehensive extruding contact, this brake sack subjected to stress is relatively large, so known circular screening can be found
Near mating plate perforation, stress is the most at a relatively high, and the periphery of brake sack of the present utility model part is wiped out and to form at least two big
Footpath portion, is the most only that this large-diameter portion contacts with the first eyeglass extruding in lens construction, therefore periphery adopts this reality of non-circular design
Being low with the most commonly known circular brake sack of novel shading sheet integrated stress, can demonstrate,prove brake sack of the present utility model should in reduction
Excellent effect is had in power.
In sum, the brake sack that this utility model provides can effectively reduce the stress that eyeglass extruding produces, it is ensured that eyeglass
Accurate with part installing, and then promote imaging usefulness, the effect of great progress.
Claims (10)
1. the brake sack of a lens construction, it is characterised in that comprise a body, this body center has a perforation, this body
Defining a center of circle, this body divides at least two large-diameter portion and at least two minor diameter part with the central angle in this center of circle, and those are big
Footpath portion is staggered around this center of circle with those minor diameter parts, and respectively this large-diameter portion is more than each farthest away from this circle centre position to the distance in this center of circle
This minor diameter part is farthest away from this circle centre position to the distance in this center of circle, and the periphery making this brake sack is non-circular.
2. the brake sack of lens construction as claimed in claim 1, it is characterised in that respectively the central angle shared by this large-diameter portion is each other
Identical, respectively the central angle shared by this minor diameter part is the most mutually the same.
3. the brake sack of lens construction as claimed in claim 2, it is characterised in that respectively this large-diameter portion is farthest with respectively this minor diameter part
It is arc-shaped from this circle centre position.
4. the brake sack of lens construction as claimed any one in claims 1 to 3, it is characterised in that this ontology definition one is worn
Crossing this center of circle and be perpendicular to the axis of this body, this body is formed around a protuberance in this perforation, and this protuberance is along this axle
Line is protruding, makes this perforation with this body part in addition to this protuberance the most at grade.
5. the brake sack of lens construction as claimed any one in claims 1 to 3, it is characterised in that this perforation inner peripheral surface
Being formed radially plurality of grooves towards periphery, those grooves and this perforation inner peripheral surface then constitute a plurality of concavo-convex micro structure.
6. a lens construction, comprises:
One brake sack, this brake sack comprises a body, and this body center has a perforation, this ontology definition one center of circle, this body
Divide at least two large-diameter portion and at least two minor diameter part with the central angle in this center of circle, those large-diameter portions and those minor diameter parts around
This center of circle is staggered, and respectively this large-diameter portion is round farthest away from this more than respectively this minor diameter part to the distance in this center of circle farthest away from this circle centre position
To the distance in this center of circle at the heart, the periphery making this brake sack is non-circular；
One objective carrier；
At least one eyeglass；
Wherein, this shading piece clamp is located between this objective carrier and this eyeglass.
7. lens construction as claimed in claim 6, it is characterised in that respectively the central angle shared by this large-diameter portion is mutually the same, respectively
Central angle shared by this minor diameter part is the most mutually the same.
8. lens construction as claimed in claim 7, it is characterised in that respectively this large-diameter portion and respectively this minor diameter part are farthest away from this center of circle
Place is arc-shaped.
9. the lens construction as according to any one of claim 6 to 8, it is characterised in that this ontology definition one is through this center of circle
And it being perpendicular to the axis of this body, this body is formed around a protuberance in this perforation, and this protuberance is protruding along this axis, makes
This perforation is with this body part in addition to this protuberance the most at grade.
10. the lens construction as according to any one of claim 6 to 8, it is characterised in that this perforation inner peripheral surface is towards periphery footpath
To forming plurality of grooves, those grooves and this perforation inner peripheral surface then constitute a plurality of concavo-convex micro structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620359167.1U CN205608268U (en) | 2016-04-26 | 2016-04-26 | Lens structure's anti -dazzling screen and lens structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620359167.1U CN205608268U (en) | 2016-04-26 | 2016-04-26 | Lens structure's anti -dazzling screen and lens structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205608268U true CN205608268U (en) | 2016-09-28 |
Family
ID=56971044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620359167.1U Expired - Fee Related CN205608268U (en) | 2016-04-26 | 2016-04-26 | Lens structure's anti -dazzling screen and lens structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205608268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433419A (en) * | 2017-02-24 | 2021-03-02 | 大立光电股份有限公司 | Shading sheet, optical lens group, imaging lens and electronic device |
-
2016
- 2016-04-26 CN CN201620359167.1U patent/CN205608268U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433419A (en) * | 2017-02-24 | 2021-03-02 | 大立光电股份有限公司 | Shading sheet, optical lens group, imaging lens and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20210426 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |