CN109425947A - Optical lens - Google Patents
Optical lens Download PDFInfo
- Publication number
- CN109425947A CN109425947A CN201710778700.7A CN201710778700A CN109425947A CN 109425947 A CN109425947 A CN 109425947A CN 201710778700 A CN201710778700 A CN 201710778700A CN 109425947 A CN109425947 A CN 109425947A
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- CN
- China
- Prior art keywords
- lens
- barrel
- lens barrel
- group
- optical
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
A kind of optical lens includes the first lens barrel, the second lens barrel, the first lens group and the second lens group.Second lens barrel is at least partially arranged in the first lens barrel.First lens group includes at least two panels lens, is set in the first lens barrel, wherein one lens of the first lens group hot melt is fixed on the first lens barrel.Second lens group includes at least two panels lens, is set in the second lens barrel.
Description
Technical field
The present invention is about a kind of optical lens, in particular to a kind of automobile-used camera lens.
Background technique
Current automobile-used camera lens, lens barrel (barrel) are made of ejection formation, and are to be integrally formed, so mirror
The tolerance sensitivities of cylinder are high, and aforementioned ejection formation must use it is split enter submodule have, so concentricity and tolerance are also required to essence
Otherwise close control is difficult to maintain certain precision and stability.In addition, the lens for being installed in lens barrel are consolidated using glue material
It is fixed.However, environment inside car locating for automobile-used camera lens often becomes severe hot environment because of solarization, so that glue material is easy to be heated
And rotten and cracking, cause lens to be subjected to displacement, or even fall off, and then reduce the precision and stability of automobile-used camera lens, it is serious broken
Bad image quality.
Summary of the invention
One embodiment of the invention provides a kind of optical lens, includes the first lens barrel, the second lens barrel, the first lens group and the
Two lens groups.Second lens barrel is at least partially arranged in the first lens barrel.First lens group includes at least two panels lens, is set to
In first lens barrel, wherein the lens hot melt of the first lens group is fixed on the first lens barrel.It is saturating to include at least two panels for second lens group
Mirror is set in the second lens barrel.
One embodiment of the invention provides a kind of optical lens, includes the first lens barrel, the second lens barrel, the first lens group and the
Two lens groups.Second lens barrel is at least partially arranged in the first lens barrel.First lens group includes at least two panels lens.Second thoroughly
Lens group includes at least two panels lens, is set in the second lens barrel, wherein the lens hot melt of the second lens group is fixed on the second mirror
Cylinder.First lens group and the second lens group include at least three glass lens.
One embodiment of the invention provides a kind of optical lens, includes the first lens barrel, the second lens barrel, the first lens group and the
Two lens groups.Second lens barrel is set in the first lens barrel.First lens group is set in the first lens barrel, but is set to the second mirror
Cylinder is outer, and the first lens group includes at least a glass lens.Second lens group is set in the second lens barrel, the second lens group packet
Containing at least two panels lens.
The embodiment of the present invention is because installing multi-disc lens using two lens barrels (such as the first lens barrel and second lens barrel), therefore
All tolerance sensitivities are scattered in the two lens barrels.In this way, the present invention can make the concentricity of optical lens be easy to manage with tolerance,
The effect of to reach stable yield.
To allow feature of present invention to become apparent, preferred embodiment is cited below particularly, and cooperate schema, elaborates.
Detailed description of the invention
Fig. 1 is painted the diagrammatic cross-section of the optical lens of one embodiment of the invention.
Fig. 2 is painted the diagrammatic cross-section of the optical lens of another embodiment of the present invention.
Specific embodiment
Referring to Fig. 1, optical lens 100 include the first lens group 110, the second lens group 120, the first lens barrel 131 and
Second lens barrel 132.First lens group 110 includes at least two panels lens, and the second lens group 120 includes at least two panels lens.With
For Fig. 1, the first lens group 110 includes four lens 111,112,113 and 114, and the second lens group 120 includes two panels lens
121 and 122, but invention is not limited thereto system.
First lens group 110 and the second lens group 120 include at least three pieces glass lens.For example, the first lens group 110
Lens 111 and 114 are glass lens, and the lens 121 of the second lens group 120 are glass lens, but invention is not limited thereto
System.Alternatively, the first lens group 110 and the second lens group 120 are all glass lens.Glass lens energy high temperature resistant, so in high temperature
It is unlikely to deteriorate in environment.Therefore, compared to plastic lens, glass lens has the advantages that stability is high and resistant to high temperature, is suitble to use
In the severe interior ring mirror of high temperature again.
First lens group 110 is set in the first lens barrel 131, but is set to outside the second lens barrel 132.Second lens group 120
It is set in the second lens barrel 132, wherein the second lens barrel 132 is arranged or is at least partially arranged in the first lens barrel 131.Implement one
In example, at least lens hot melt of the first lens group 110 is fixed on the first lens barrel 131.By taking Fig. 1 as an example, the first lens group 110
Lens 111, which heat, is fixed on one end (left end) of the first lens barrel 131, but invention is not limited thereto system.First lens barrel 131 has
Fixed part 131a, and fixed part 131a is hot melt 131 edge of the first lens barrel and is formed, wherein fixed part 131a covers lens 111
Edge.In this way, lens 111 are able to one end that hot melt is fixed on the first lens barrel 131.Similarly, the second lens group 120 also has at least one
Lens hot melt is fixed on the second lens barrel 132.By taking Fig. 1 as an example, the hot melt of lens 122 of the second lens group 120 is fixed on the second lens barrel
132 one end (right end), wherein the second lens barrel 132 also has the fixed part 132a at covering 122 edge of lens, and fixed part 132a
And it heats 132 edge of the second lens barrel and is formed.
First lens barrel 131 can be made with the second lens barrel 132 of ejection formation, and the two can be by a mold piece mold of collocation
Enter son and is formed.So first lens barrel 131 and the second lens barrel 132 of the present embodiment need not use compared to existing automobile-used camera lens
It is split enter submodule tool, and have more preferable concentricity.Secondly, the first lens barrel 131 is two independent with the second lens barrel 132
Element can be made of two kinds of molds, so all tolerance sensitivities of optical lens 100 can be scattered in the first lens barrel 131 and
Two lens barrels 132 manage easy effect to reach steady production.
During manufacturing optical lens 100, firstly, carrying out the assembling of lens 121,122 and the second lens barrel 132.The
Two lens barrels 132 have assembling datum level 132p, and lens 121 and 122 are sequentially placed in the second mirror from the right end of the second lens barrel 132
In cylinder 132, wherein lens 121 are resisted against assembling datum level 132p.After placing lens 121 and 122, hot melt fixation is carried out
Processing procedure heats the edge of 132 right end of the second lens barrel, to form the fixed part 132a at covering 122 edge of lens.In this way, these
Lens 121 and 122 are capable of fixing in the second lens barrel 132.
Then, the second lens barrel 132 is assembled in the first lens barrel 131 with lens 111 to 114.First lens barrel 131 has group
Datum level 131p is filled, and lens 114, assembled second lens barrel 132, lens 113,112 and 111 are from a left side for the first lens barrel 131
End is sequentially placed in the first lens barrel 131, and wherein lens 114 are resisted against assembling datum level 131p.Second lens barrel 132 is resisted against
Mirror 114, and the fixed part 132a of the second lens barrel 132 is towards lens 114.Place the second lens barrel 132 and lens 111 to
It after 114, carries out heating fixed processing procedure, that is, heats the edge of 131 left end of the first lens barrel, to form covering 111 edge of lens
Fixed part 131a.In this way, these lens 111 to 114 and the second lens barrel 132 are capable of fixing in the first lens barrel 131, to complete
Optical lens 100.
In the manufacturing process of optical lens 100, since lens 111 to 114 and the second lens barrel 132 are all from the first mirror
One end (left end) of cylinder 131 is sequentially placed in the first lens barrel 131, and the completion group through breasting single assembling datum level 131p
Dress, therefore all lens 111 to 114 of the first lens group 110 are placed in the first lens barrel 131 according to a direction, have assembling simple fast
The advantage of speed is suitble to automation mass production.In addition, lens are all to be assembled in the first lens barrel 131 in such a way that hot melt is fixed
In, any glue material is not used, so optical lens 100 of the invention is not compared to the existing automobile-used camera lens fixed using dispensing
It will appear the situation for causing lens to be subjected to displacement or fall off because glue material is heated, thus there is preferable precision and stability, together
When can maintain or be promoted image quality.In addition, in one embodiment, optical lens 100 further includes spacer ring 140, it is set to
In first lens barrel 131, wherein spacer ring 140 be could be sandwiched between lens 112 and 113, and lens 113,114 and the second lens barrel
132 are fixed between assembling datum level 131p and spacer ring 140.But, in other embodiments, optical lens 100 can not
Comprising spacer ring 140, system that invention is not limited thereto.
Fig. 2 is painted the diagrammatic cross-section of the optical lens of another embodiment of the present invention.Referring to Fig. 2, optics shown in it
Camera lens 200 is similar to aforementioned optical camera lens 100, and in place of both optical lens 200 and 100 introduced below difference, something in common is not
Repeat narration.
In optical lens 200, the first lens group 210 and the second lens barrel 232 are all set in the first lens barrel 231, and the
Two lens groups 220 are set in the second lens barrel 232.First lens group 210 includes lens 211,212,213 and 214, wherein lens
214 are resisted against the assembling datum level 231p of the first lens barrel 231, and the fixed part 231a of the first lens barrel 231 covers 211 side of lens
Edge, so that lens 211 heat the one end for being fixed on the first lens barrel 231.Second lens group 220 includes lens 221 and 222, wherein
Lens 222 are resisted against the assembling datum level 232p of the second lens barrel 232, and the fixed part 232a of the second lens barrel 232 covers lens 221
Edge, so that lens 221 heat the one end for being fixed on the second lens barrel 232.Different from the optical lens 100 of previous embodiment,
The fixed part 232a face direction of two lens barrels 232 be different from previous embodiment fixed part 132a, wherein fixed part 232a towards
Lens 213.In addition, in the embodiment shown in Figure 2, the also spacer ring comprising being set in the first lens barrel 231 of optical lens 200
240, wherein spacer ring 240 is resisted against the second lens barrel 232, and is clipped between the second lens barrel 232 and lens 213.But, at other
In embodiment, optical lens 200 can not include spacer ring 240, make so invention is not limited thereto.
In conclusion the present invention installs multi-disc lens using two lens barrels (such as the first lens barrel and second lens barrel), because
And all tolerance sensitivities are made to be scattered in the two lens barrels, and then be easy to manage the concentricity of optical lens and tolerance is easy to pipe
Control, the effect of to reach stable yield.In addition, to can be used hot melt fixed to install all lens for optical lens of the invention, with
Traditional dispensing is replaced to fix, so optical lens of the invention is not in the situation of glue material heat damage and cracking.It compares
In known automobile-used camera lens, the present invention can maintain or image quality of the improving optical camera lens in high temperature environment inside car.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the method and technique content using the disclosure above make it is a little more
Equivalent embodiment that is dynamic or being modified to equivalent variations, but anything that does not depart from the technical scheme of the invention content, according to the present invention
Technical spirit any simple modification, equivalent change and modification to the above embodiments, still fall within technical solution of the present invention
In the range of.
Claims (10)
1. a kind of optical lens, characterized by comprising:
One first lens barrel；
One second lens barrel is at least partially arranged in first lens barrel；
One first lens group includes at least two panels lens, is set in first lens barrel；And
One second lens group includes at least two panels lens, is set in second lens barrel, wherein the one of first lens group
Lens, hot melt are fixed on first lens barrel.
2. optical lens as described in claim 1, which is characterized in that the lens hot melt of second lens group is fixed on institute
State the second lens barrel.
3. a kind of optical lens, characterized by comprising:
One first lens barrel；
One second lens barrel is at least partially arranged in first lens barrel；
One first lens group includes at least two panels lens；
One second lens group includes at least two panels lens, is set in second lens barrel, wherein the one of second lens group
Lens hot melt is fixed on second lens barrel, and
First lens group and second lens group include at least three glass lens.
4. optical lens as claimed in claim 3, which is characterized in that the lens hot melt of first lens group is fixed on institute
State the first lens barrel.
5. such as the described in any item optical lens of claim 1,2,4, which is characterized in that the lens of first lens group
Hot melt is fixed on one end of first lens barrel.
6. a kind of optical lens, characterized by comprising:
One first lens barrel；
One second lens barrel is set in first lens barrel；
One first lens group is set in first lens barrel, but is set to outside second lens barrel, and first lens group
Including at least a glass lens；And
One second lens group is set in second lens barrel, and second lens group includes at least two panels lens.
7. optical lens as claimed in claim 6, which is characterized in that the optical lens meets one of following condition:
(1) lens hot melt of the first lens group described in is fixed on first lens barrel；
(2) lens hot melt of the second lens group described in is fixed on second lens barrel；And
(3) the first lens group described in and second lens group include at least three pieces glass lens.
8. such as Claims 1-4,6,7 described in any item optical lens, which is characterized in that further include:
One spacer ring is set in first lens barrel.
9. such as Claims 1-4,6,7 described in any item optical lens, which is characterized in that first lens group with it is described
Second lens group is all glass lens.
10. such as Claims 1-4,6,7 described in any item optical lens, which is characterized in that first lens group owns
Lens are placed in first lens barrel according to a direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710778700.7A CN109425947A (en) | 2017-09-01 | 2017-09-01 | Optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710778700.7A CN109425947A (en) | 2017-09-01 | 2017-09-01 | Optical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109425947A true CN109425947A (en) | 2019-03-05 |
Family
ID=65512772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710778700.7A Pending CN109425947A (en) | 2017-09-01 | 2017-09-01 | Optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109425947A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060068611A (en) * | 2004-12-16 | 2006-06-21 | 엘지전자 주식회사 | Image pickup device |
| CN201757809U (en) * | 2010-07-28 | 2011-03-09 | 舜宇光学(中山)有限公司 | Monitoring lens of closed-circuit television |
| CN202975443U (en) * | 2012-11-19 | 2013-06-05 | 东莞市旭业光电科技有限公司 | Optical lens assembly |
| CN103364908A (en) * | 2012-03-29 | 2013-10-23 | 鸿富锦精密工业（深圳）有限公司 | Assembling method of lens module |
-
2017
- 2017-09-01 CN CN201710778700.7A patent/CN109425947A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060068611A (en) * | 2004-12-16 | 2006-06-21 | 엘지전자 주식회사 | Image pickup device |
| CN201757809U (en) * | 2010-07-28 | 2011-03-09 | 舜宇光学(中山)有限公司 | Monitoring lens of closed-circuit television |
| CN103364908A (en) * | 2012-03-29 | 2013-10-23 | 鸿富锦精密工业（深圳）有限公司 | Assembling method of lens module |
| CN202975443U (en) * | 2012-11-19 | 2013-06-05 | 东莞市旭业光电科技有限公司 | Optical lens assembly |
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