CN204293129U - Imaging lens at the bottom of a kind of Novel ocular - Google Patents
Imaging lens at the bottom of a kind of Novel ocular Download PDFInfo
- Publication number
- CN204293129U CN204293129U CN201420763751.4U CN201420763751U CN204293129U CN 204293129 U CN204293129 U CN 204293129U CN 201420763751 U CN201420763751 U CN 201420763751U CN 204293129 U CN204293129 U CN 204293129U
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- CN
- China
- Prior art keywords
- lens
- optical fiber
- end body
- imaging lens
- installing hole
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Abstract
The utility model relates to imaging lens at the bottom of a kind of Novel ocular, comprise the front end body of hollow, close object space one end of front end body is provided with lens hole, front lens is provided with in lens hole, the other end of front end body is provided with lens subassembly, and its technical essential is, front end body is provided with the strip optical fiber that light is directed to the first eyeglass by many energy, one end of strip optical fiber extends to front lens direction, and the other end extends to one end away from object space of lens subassembly.The utility model structure is simple, and adopt strip light, cost is lower, easily changes after optical fibre damage.
Description
[technical field]
The utility model relates to a kind of camera lens, particularly for taking the optical lens on eyeground.
[background technology]
In order to make the check result of eyes more accurate, need the optical lens by fundus imaging.The definition of imaging is the key factor affecting this optical lens degree of accuracy, and existing fundus imaging camera lens adopts fibre faceplate to strengthen usually increases camera lens periphery brightness.But the manufacture craft of fibre faceplate is difficult, and cost is high, fragile, fundus imaging camera lens product price is remained high always.
[utility model content]
The purpose of this utility model overcomes the deficiencies in the prior art, and provide a kind of structure simple, cost is low, adopts imaging lens at the bottom of the Novel ocular of strip optical fiber.
In order to solve the problem, the utility model by the following technical solutions:
Imaging lens at the bottom of a kind of Novel ocular, comprise the front end body of hollow, close object space one end of described front end body is provided with lens hole, front lens is provided with in described lens hole, the other end of described front end body is provided with lens subassembly, it is characterized in that: described front end body is provided with the strip optical fiber that light is directed to the first eyeglass by many energy, one end of described strip optical fiber extends to front lens direction, and the other end extends to one end away from object space of lens subassembly.
Imaging lens at the bottom of a kind of Novel ocular as above, is characterized in that: described front end body is provided with the optical fiber installing hole of multiple sensing front lens, and described strip optical fiber is inserted in optical fiber installing hole.
Imaging lens at the bottom of a kind of Novel ocular as above, it is characterized in that: described strip optical fiber is provided with the metal mounting shell be inserted in optical fiber installing hole near object space one end, described front end body is provided with the fixed cap be fixed on by described metal mounting shell in optical fiber installing hole.
Imaging lens at the bottom of a kind of Novel ocular as above, it is characterized in that: in described optical fiber installing hole, be provided with optical fiber installation step, described metal mounting shell is provided with one end and leans against positioning step on optical fiber installation step, described fixed cap is provided with the cover slot be communicated with described optical fiber installing hole, and described fixed cap is threaded in cover slot also can lean described positioning step.
Imaging lens at the bottom of a kind of Novel ocular as above, is characterized in that: multiple described optical fiber installing hole forms a circle circumferentially on the body of front end.
Imaging lens at the bottom of a kind of Novel ocular as above, it is characterized in that: described front end body is provided with the eyeglass installation step of the front lens described in installation, described front end body is provided with ring-shaped step in the side of front lens, and described ring-shaped step internal thread is connected with the locating ring leaning described front lens.
Imaging lens at the bottom of a kind of Novel ocular as above, is characterized in that: described lens subassembly comprises and being connected and the stack shell of both ends open with described front end body, is provided with the coaxial lens of multiple with described front lens in described stack shell.
Imaging lens at the bottom of a kind of Novel ocular as above, it is characterized in that: described stack shell away from thing to one end be provided with stack shell step, described stack shell step is provided with fiber optic hub, and the other end of described strip optical fiber is inserted in fiber optic hub along stack shell outer wall.
Imaging lens at the bottom of a kind of Novel ocular as above, is characterized in that: the spacer sleeve being provided with adjacent described lens locations spaced in described stack shell.
Imaging lens at the bottom of a kind of Novel ocular as above, is characterized in that: described front end body is taper shell.
The beneficial effects of the utility model have: by arranging multiple strip optical fiber on the body of front end, optical fiber can illuminate whole camera lens, and structure is simple, and adopt strip optical fiber, cost is low, even and if certain optical fibre damage, directly change the optical fiber of damage; The front end of strip optical fiber is provided with metal mounting shell, is fixed by metal mounting shell by fixed cap, effectively prevent strip optical fiber from loosening, structure is simple, and locking is convenient; Front lens locked by locating ring, structure is simple, and locking is convenient.
[accompanying drawing explanation]
Fig. 1 is stereogram of the present utility model;
Fig. 2 is main sectional view of the present utility model;
Fig. 3 is explosive view of the present utility model;
Fig. 4 is the main sectional view of front end of the present utility model body.
[detailed description of the invention]
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
As shown in figs. 1 and 4, imaging lens at the bottom of a kind of Novel ocular, comprises the front end body 1 of hollow, and front end body 1 is taper shell.Close object space one end of front end body 1 is provided with lens hole 11, front lens 2 is provided with in lens hole 11, front end body 1 is provided with the eyeglass installation step 15 of the front lens 2 described in installation, front end body 1 is provided with ring-shaped step 16 in the side of front lens 2, be threaded connection the locating ring 7 leaning front lens 2 in ring-shaped step 16, by screwed in place ring 7, front lens 2 locked.The other end of front end body 1 is provided with lens subassembly 3, and front end body 1 is provided with the strip optical fiber 4 that light is directed to the first eyeglass 2 by many energy, and one end of strip optical fiber 4 extends to front lens 2 direction, and the other end extends to one end away from object space of lens subassembly 3.Front end body 1 is provided with the optical fiber installing hole 12 of multiple sensing front lens 2, strip optical fiber 4 is inserted in optical fiber installing hole 12, and multiple optical fiber installing hole 12 forms a circle circumferentially on front end body 1, and strip optical fiber 4 is inserted in an optical fiber installing hole 12 one by one, circumference is uniform, evenly luminous.Strip optical fiber 4 is provided with the metal mounting shell 5 be inserted in optical fiber installing hole 12 near object space one end, metal mounting shell 5 is hollow housing, and front end body 1 is provided with the fixed cap 6 be fixed on by metal mounting shell 5 in optical fiber installing hole 12.Optical fiber installation step 13 is provided with in optical fiber installing hole 12, metal mounting shell 5 is provided with one end and leans against positioning step 51 on optical fiber installation step 13, fixed cap 6 is provided with the cover slot 14 be communicated with optical fiber installing hole 12, cover slot 14 makes positioning step 51 expose, fixed cap 6 is threaded in cover slot 14 also can lean positioning step 51, positioning step 51 will be held out against after being tightened by fixed cap 6, metal mounting shell 5 is fixed.
Lens subassembly 3 comprises and being connected and the stack shell 31 of both ends open with front end body 1, is provided with multiple lens 32 coaxial with front lens 2 in stack shell 31, and the open at one end of stack shell 31 and the openend of front end body 1 are threaded connection.Stack shell 31 away from thing to one end be provided with stack shell step 33, stack shell step 33 is provided with fiber optic hub 34, and the other end of strip optical fiber 4 is inserted in fiber optic hub 34 along stack shell 31 outer wall.Be provided with the spacer sleeve 35 of adjacent lens 32 locations spaced in stack shell 31, positioned by adjacent lens 32 in spacer sleeve 35 pairs of stack shells 31, the other end opening of stack shell 31 can arrange locating ring and be locked by the lens 32 of the other end.
Claims (10)
1. imaging lens at the bottom of a Novel ocular, comprise the front end body (1) of hollow, close object space one end of described front end body (1) is provided with lens hole (11), front lens (2) is provided with in described lens hole (11), the other end of described front end body (1) is provided with lens subassembly (3), it is characterized in that: described front end body (1) is provided with the strip optical fiber (4) that light is directed to the first eyeglass (2) by many energy, one end of described strip optical fiber (4) extends to front lens (2) direction, the other end extends to one end away from object space of lens subassembly (3).
2. imaging lens at the bottom of a kind of Novel ocular according to claim 1, it is characterized in that: described front end body (1) is provided with the optical fiber installing hole (12) of multiple sensing front lens (2), described strip optical fiber (4) is inserted in optical fiber installing hole (12).
3. imaging lens at the bottom of a kind of Novel ocular according to claim 2, it is characterized in that: described strip optical fiber (4) is provided with the metal mounting shell (5) be inserted in optical fiber installing hole (12) near object space one end, described front end body (1) is provided with the fixed cap (6) be fixed on by described metal mounting shell (5) in optical fiber installing hole (12).
4. imaging lens at the bottom of a kind of Novel ocular according to claim 3, it is characterized in that: in described optical fiber installing hole (12), be provided with optical fiber installation step (13), described metal mounting shell (5) is provided with one end and leans against positioning step (51) on optical fiber installation step (13), described fixed cap (6) is provided with the cover slot (14) be communicated with described optical fiber installing hole (12), and described fixed cap (6) is threaded in cover slot (14) also can lean described positioning step (51).
5. imaging lens at the bottom of a kind of Novel ocular according to claim 2, is characterized in that: multiple described optical fiber installing hole (12) forms a circle circumferentially on front end body (1).
6. imaging lens at the bottom of a kind of Novel ocular according to claim 1, it is characterized in that: described front end body (1) is provided with the eyeglass installation step (15) of the front lens (2) described in installation, described front end body (1) is provided with ring-shaped step (16) in the side of front lens (2), and described ring-shaped step (16) internal thread is connected with the locating ring (7) leaning described front lens (2).
7. imaging lens at the bottom of a kind of Novel ocular according to claim 1, it is characterized in that: described lens subassembly (3) comprises and being connected and the stack shell of both ends open (31) with described front end body (1), in described stack shell (31), be provided with the coaxial lens (32) of multiple with described front lens (2).
8. imaging lens at the bottom of a kind of Novel ocular according to claim 7, it is characterized in that: described stack shell (31) away from thing to one end be provided with stack shell step (33), described stack shell step (33) is provided with fiber optic hub (34), and the other end of described strip optical fiber (4) is inserted in fiber optic hub (34) along stack shell (31) outer wall.
9. imaging lens at the bottom of a kind of Novel ocular according to claim 7, is characterized in that: the spacer sleeve (35) being provided with adjacent described lens (32) locations spaced in described stack shell (31).
10. imaging lens at the bottom of a kind of Novel ocular according to claim 1, is characterized in that: described front end body (1) is taper shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420763751.4U CN204293129U (en) | 2014-12-04 | 2014-12-04 | Imaging lens at the bottom of a kind of Novel ocular |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420763751.4U CN204293129U (en) | 2014-12-04 | 2014-12-04 | Imaging lens at the bottom of a kind of Novel ocular |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204293129U true CN204293129U (en) | 2015-04-29 |
Family
ID=53098720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420763751.4U Withdrawn - After Issue CN204293129U (en) | 2014-12-04 | 2014-12-04 | Imaging lens at the bottom of a kind of Novel ocular |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204293129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434024A (en) * | 2014-12-04 | 2015-03-25 | 中山联合光电科技有限公司 | Fundus imaging lens |
-
2014
- 2014-12-04 CN CN201420763751.4U patent/CN204293129U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434024A (en) * | 2014-12-04 | 2015-03-25 | 中山联合光电科技有限公司 | Fundus imaging lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHONGSHAN LIANHE PHOTOELECTRIC TECHNOLOGY CO., LTD Free format text: FORMER NAME: ZHONGSHAN UNION OPTIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528400 Zhongshan Torch Development Zone, Guangdong Road, No. 10 Patentee after: Zhong Shan joint opto-electronic Science and Technology Co., Ltd. Address before: 528400 Zhongshan Torch Development Zone, Guangdong Road, No. 10 Patentee before: Union Optech (Zhongshan) Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20170426 |