CN204790155U - Fisheye lens - Google Patents
Fisheye lens Download PDFInfo
- Publication number
- CN204790155U CN204790155U CN201520478068.0U CN201520478068U CN204790155U CN 204790155 U CN204790155 U CN 204790155U CN 201520478068 U CN201520478068 U CN 201520478068U CN 204790155 U CN204790155 U CN 204790155U
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- CN
- China
- Prior art keywords
- eyeglass
- annular
- lens
- spacer ring
- fish eye
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Abstract
The utility model discloses a fisheye lens, including the lens cone, the camera lens in be equipped with the optical system mounting hole that is used for installing optical system, its technical scheme's main points are: the optical system mounting hole is close to object space one end and is equipped with the step hole, the step hole outside be equipped with around the annular groove of its setting, the step hole with the annular groove between be equipped with the bulge loop, the step downthehole be equipped with the object space evagination in the first lens of bulge loop, the bulge loop on the card be equipped with and compress tightly the annular spacer ring of first lens, the camera lens is close to on the spacer ring to the annular object space press be equipped with the object space evagination in the second lens of annular groove outer fringe lateral wall. The utility model provides a fisheye lens utilizes the different assembly forms of annular spacer ring, makes each lens cooperate annular spacer ring and lens cone fastening location respectively, has eliminated the accumulated influence of tolerance, improved the camera lens to separate the image force bad, guaranteed optical system's stability, satisfied the specification requirement.
Description
[technical field]
The utility model relates to a kind of fish eye lens.
[background technology]
Fish eye lens is a kind of more special optical lens, be generally used for more than 120 degree shootings with great visual angle and projection, different application field, as security protection, vehicle-mounted, the places such as video conference, the corresponding varying environment parameter of fish-eye structural parameters and different, particularly more than 180 degree ultra wide-angle image, wherein be related to the pick-up lens of imaging effect, generally multi-disc lens combination is had to form, and the structure that multi-disc eyeglass is assembled together, often because tolerance adds up, cause the size gap of assembling spacer ring place excessive or too small, cause assembling the quality being difficult to ensure imaging, and outermost eyeglass often adopts the cushion rubber of band thread to coordinate lens barrel to fix, thus hinder the light path of ultra wide-angle image, affect imaging effect.
[summary of the invention]
The utility model object overcomes deficiency of the prior art, a kind of fish eye lens is provided, utilize the different assembling forms of annular spacer ring, each eyeglass is made to coordinate annular spacer ring and the fastening location of lens barrel respectively, eliminate the impact that tolerance is accumulative, the resolving power improving camera lens is bad, ensure that the stability of optical system, meets specification requirement.
The utility model is achieved through the following technical solutions:
A kind of fish eye lens, comprise lens barrel, the optical system mounting hole for installing optical system is provided with in described camera lens, it is characterized in that: described optical system mounting hole is provided with stepped hole near object space one end, the annular groove arranged around it is provided with outside described stepped hole, bulge loop is provided with between described stepped hole and described annular groove, described stepped hole is built with first eyeglass of object space evagination in described bulge loop, described bulge loop is arranged with the annular spacer ring of the first eyeglass described in compression, object space near camera lens on described annular spacer ring is installed with object space evagination in the second eyeglass of described annular groove peripheral side wall.
A kind of fish eye lens as above, the madial wall that it is characterized in that described lens barrel is positioned at described annular groove is provided with the outer rim access section of described first eyeglass for store glue and fastening described first eyeglass deposit glue groove, described in deposit glue groove xsect be triangle.
A kind of fish eye lens as above, is characterized in that described second lens edge place is provided with described in cooperation and deposits the annular gap slot that glue groove together stores glue.
A kind of fish eye lens as above, is characterized in that the xsect of described annular spacer ring is L-type.
A kind of fish eye lens as above, is characterized in that the outer rim place of described first eyeglass is provided with the annular bayonet slot coordinating described annular spacer ring to connect and fix described first eyeglass.
A kind of fish eye lens as above, is characterized in that described first eyeglass is provided with the first planar annular perpendicular to described lens barrel central axis, and described first planar annular and described stepped hole are that face contacts.
A kind of fish eye lens as above, is characterized in that described second eyeglass is provided with the second planar annular perpendicular to described lens barrel center line, and described second planar annular and described annular spacer ring are that face contacts.
A kind of fish eye lens as above, is characterized in that described first eyeglass and the second eyeglass are concavo-convex eyeglass.
Compared with prior art, the utility model has the following advantages:
A kind of fish eye lens of the present utility model, utilize the different assembling forms of annular spacer ring, make each eyeglass coordinate annular spacer ring and lens barrel to carry out face respectively and contact fastening location, ensure that the flatness of assembling, the depth of parallelism, the requirements such as right alignment, and eyeglass mates separately, eliminate the impact that tolerance is accumulative, the resolving power improving camera lens is bad, and lens barrel corresponding deposits glue groove to outermost second eyeglass is all arranged, add the memory space of glue and improve the fastening thrust of eyeglass, the cushion rubber of original band thread is substituted with this, while ensureing fixed effect, also can ensure the wide-angle image of maximum 240 degree of camera lens, ensure that the stability of optical system, meet specification requirement.
[accompanying drawing explanation]
Fig. 1 is the utility model diagrammatic cross-section;
Fig. 2 is the utility model section partial schematic diagram.
[embodiment]
A kind of fish eye lens, comprise lens barrel 1, the optical system mounting hole 11 for installing optical system is provided with in described camera lens 1, described optical system mounting hole 11 is provided with stepped hole 12 near object space one end, the annular groove 13 arranged around it is provided with outside described stepped hole 12, bulge loop 14 is provided with between described stepped hole 12 and described annular groove 13, described stepped hole 12 is built with first eyeglass 15 of object space evagination in described bulge loop 14, described bulge loop 14 is arranged with the annular spacer ring 16 of the first eyeglass 15 described in compression, object space near camera lens on described annular spacer ring 16 is installed with object space evagination in the second eyeglass 17 of described annular groove 13 peripheral side wall.Utilize the different assembling forms of annular spacer ring, make each eyeglass coordinate annular spacer ring and lens barrel to carry out face respectively and contact fastening location, and each eyeglass mates assembling separately with lens barrel and annular spacer ring, eliminate the impact that tolerance is accumulative.
The madial wall described lens barrel 1 being positioned at described annular groove 13 is provided with the outer rim access section of described first eyeglass 15 for store glue and fastening described first eyeglass 15 deposit glue groove 131, described in deposit glue groove 131 xsect be triangle.Lens barrel engages place's setting with outermost second eyeglass and deposits glue groove, add the memory space of glue and improve the fastening thrust of eyeglass.
Described second eyeglass 17 outer rim place is provided with described in cooperation and deposits the annular gap slot 171 that glue groove 131 together stores glue.Outermost second eyeglass arranges the annular gap slot of depositing glue corresponding with lens barrel, together deposits glue and fix, the cushion rubber substituting original band thread fixes the second eyeglass, and does not affect ultra wide-angle image.
The xsect of described annular spacer ring 16 is L-type.The annular spacer ring of L-type xsect is fastened on the inner side of annular groove.
The outer rim place of described first eyeglass 15 is provided with the annular bayonet slot 151 coordinating described annular spacer ring 16 to connect and fix described first eyeglass 15.First lens edge arranges annular bayonet socket side can increase the contact area with annular spacer ring, ensures that card is established firmly.
Described first eyeglass 15 is provided with the first planar annular 152 perpendicular to described lens barrel 1 central axis, described first planar annular 152 with described stepped hole 12 for face contacts.It is fixing that first planar annular and the bottom surface of stepped hole adopt face to contact.
Described second eyeglass 17 is provided with the second planar annular 172 perpendicular to described lens barrel 1 center line, described second planar annular 172 with described annular spacer ring 16 for face contacts.It is fixing that second planar annular and annular spacer ring adopt face to contact.
Described first eyeglass 15 and the second eyeglass 17 are concavo-convex eyeglass.First eyeglass and second eyeglass of this camera lens are concavo-convex eyeglass.
Claims (8)
1. a fish eye lens, comprise lens barrel (1), the optical system mounting hole (11) for installing optical system is provided with in described camera lens (1), it is characterized in that: described optical system mounting hole (11) is provided with stepped hole (12) near object space one end, the annular groove (13) arranged around it is provided with outside described stepped hole (12), bulge loop (14) is provided with between described stepped hole (12) and described annular groove (13), described stepped hole (12) is built with first eyeglass (15) of object space evagination in described bulge loop (14), described bulge loop (14) is arranged with the annular spacer ring (16) of the first eyeglass (15) described in compression, the upper object space near camera lens of described annular spacer ring (16) is installed with object space evagination in second eyeglass (17) of described annular groove (13) peripheral side wall.
2. a kind of fish eye lens according to claim 1, the madial wall that it is characterized in that described lens barrel (1) is positioned at described annular groove (13) is provided with the outer rim access section of described first eyeglass (15) for store glue and fastening described first eyeglass (15) deposit glue groove (131), described in deposit glue groove (131) xsect be triangle.
3. a kind of fish eye lens according to claim 2, is characterized in that described second eyeglass (17) outer rim place is provided with described in cooperation and deposits the annular gap slot (171) that glue groove (131) together stores glue.
4. a kind of fish eye lens according to claim 1, is characterized in that the xsect of described annular spacer ring (16) is L-type.
5. a kind of fish eye lens according to claim 1, is characterized in that the outer rim place of described first eyeglass (15) is provided with the annular bayonet slot (151) coordinating described annular spacer ring (16) to connect and fix described first eyeglass (15).
6. a kind of fish eye lens according to claim 1, it is characterized in that described first eyeglass (15) is provided with the first planar annular (152) perpendicular to described lens barrel (1) central axis, described first planar annular (152) with described stepped hole (12) for face contacts.
7. a kind of fish eye lens according to claim 1, it is characterized in that described second eyeglass (17) is provided with the second planar annular (172) perpendicular to described lens barrel (1) center line, described second planar annular (172) with described annular spacer ring (16) for face contacts.
8. a kind of fish eye lens according to claim 1, is characterized in that described first eyeglass (15) and the second eyeglass (17) are concavo-convex eyeglass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520478068.0U CN204790155U (en) | 2015-07-02 | 2015-07-02 | Fisheye lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520478068.0U CN204790155U (en) | 2015-07-02 | 2015-07-02 | Fisheye lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204790155U true CN204790155U (en) | 2015-11-18 |
Family
ID=54530171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520478068.0U Active CN204790155U (en) | 2015-07-02 | 2015-07-02 | Fisheye lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204790155U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107678148A (en) * | 2017-11-15 | 2018-02-09 | 中山依瓦塔光学有限公司 | A kind of waterproof fish eye lens |
| CN107728283A (en) * | 2017-11-24 | 2018-02-23 | 中山依瓦塔光学有限公司 | The white fish eye lens of leakproof |
| CN107748424A (en) * | 2017-11-24 | 2018-03-02 | 中山依瓦塔光学有限公司 | Fish eye lens outward appearance leaks white ameliorative way |
| CN111050051A (en) * | 2019-12-31 | 2020-04-21 | 上海索广电子有限公司 | Method for adjusting height of lens installation set |
-
2015
- 2015-07-02 CN CN201520478068.0U patent/CN204790155U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107678148A (en) * | 2017-11-15 | 2018-02-09 | 中山依瓦塔光学有限公司 | A kind of waterproof fish eye lens |
| CN107728283A (en) * | 2017-11-24 | 2018-02-23 | 中山依瓦塔光学有限公司 | The white fish eye lens of leakproof |
| CN107748424A (en) * | 2017-11-24 | 2018-03-02 | 中山依瓦塔光学有限公司 | Fish eye lens outward appearance leaks white ameliorative way |
| CN111050051A (en) * | 2019-12-31 | 2020-04-21 | 上海索广电子有限公司 | Method for adjusting height of lens installation set |
| CN111050051B (en) * | 2019-12-31 | 2021-08-20 | 上海索广映像有限公司 | Method for adjusting height of lens installation set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |