CN206074884U - A kind of manual focus lens structure - Google Patents
A kind of manual focus lens structure Download PDFInfo
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- CN206074884U CN206074884U CN201621096765.0U CN201621096765U CN206074884U CN 206074884 U CN206074884 U CN 206074884U CN 201621096765 U CN201621096765 U CN 201621096765U CN 206074884 U CN206074884 U CN 206074884U
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- pin
- revolving drum
- fixed cylinder
- group
- lens set
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Abstract
The utility model discloses a kind of manual focus lens structure, including fixed cylinder, revolving drum, fixture and lens set, the fixture includes pin, screw and nut, pin includes the first pin and the second pin, eyeglass group gathering sill and pin locating holes are provided with fixed cylinder, revolving drum is enclosed within the outside of fixed cylinder and is fixed using the first pin, screw and nut, lens set is arranged in eyeglass group's gathering sill of fixed cylinder, group's boss is provided with lens set, focusing skewed slot on revolving drum, is provided with.The device quality of fit is high, easy accessibility, low production cost, the anglec of rotation can be relatively fixed by the flute length of revolving drum restriction revolving drum, then groove processing length is a little to need rotation wide-angle, then groove designs short point to need less rotational angle, and rotational angle range is capable of achieving 0 110 °, and this feature is particularly suited for projector lens focusing；The device good looking appearance is generous, stability of rotation, realizes the blur-free imaging of camera lens, and using effect is good.
Description
Technical field
This utility model is related to a kind of lens construction, specifically a kind of manual focus lens structure.
Background technology
Camera lens refers to that cinematograph, projector, to generate the opticses of image, are made up of multi-disc lens.Various differences
Camera lens, the modeling characteristic having nothing in common with each other, they photography moulding on applications, constitute optical appearance means.According to camera lens
Place of production classification is mainly Japanese camera lens and German camera lens.The reproducibility that Japanese camera lens is mainly color is relatively good, German camera lens
Stereovision is stronger.On market, the camera lens of China also gradually captures certain market, mainly less expensive.With camera lens
It is commonly used on industrial detection, intelligent transportation, scanning and copying device and photographic camera, and need to adapt to different to camera lens
The demand of object distance, it is desirable to which camera lens has focusing function, that is, need a structure for adjusting the distance of lens set opposite chip image planes,
Camera lens blur-free imaging is realized, existing focusing structure stability is poor, dismounting is inconvenient, this is just brought not for the use of people
Just.
The content of the invention
The purpose of this utility model is to provide a kind of manual focus lens structure, to solve to propose in above-mentioned background technology
Problem.
For achieving the above object, this utility model provides following technical scheme：
A kind of manual focus lens structure, including fixed cylinder, revolving drum, fixture and lens set, the fixture include
Pin, screw and nut, pin include the first pin and the second pin, be provided with eyeglass group gathering sill and pin is fixed in fixed cylinder
Position hole, revolving drum are enclosed within the outside of fixed cylinder and are fixed using the first pin, screw and nut, and the first pin is arranged on pin
In location hole, lens set is arranged in eyeglass group's gathering sill of fixed cylinder, is provided with group's boss, sets on revolving drum in lens set
Focusing skewed slot is equipped with, group's boss is arranged in focusing skewed slot and is fixed using screw and the second pin.
As further program of the utility model：Be additionally provided with revolving drum three it is spacing rise as high as the banks, three spacing to rise as high as the banks
It is evenly distributed on revolving drum, in lens set, is additionally provided with guide pad, guide pad is used cooperatively with eyeglass group's gathering sill.
As further program of the utility model：The quantity of the first pin, nut and the second pin is three, screw
Quantity be six.
As further program of the utility model：The quantity of eyeglass group's gathering sill is three, three eyeglass group's gathering sills
It is distributed in 120 degree.
Compared with prior art, the beneficial effects of the utility model are：The device is reasonable in design, simple structure, fault rate
It is low, safety in utilization and good operation stability；The device quality of fit is high, easy accessibility, low production cost, can be by revolution
The flute length of cylinder limits revolving drum and is relatively fixed the anglec of rotation, needs to rotate wide-angle that then groove processing length is a little, needs less rotation
Then groove designs short point to angle, and rotational angle range is capable of achieving 0-110 °, and this feature is particularly suited for projector lens focusing；The dress
Put good looking appearance generous, stability of rotation realizes the blur-free imaging of camera lens, and using effect is good.
Description of the drawings
Explosive views of the Fig. 1 for manual focus lens structure.
Profiles of the Fig. 2 for manual focus lens structure.
Fig. 3 is the structural representation of fixed cylinder in manual focus lens structure.
Fig. 4 is the structural representation of revolving drum in manual focus lens structure.
Fig. 5 is the structural representation of lens set in manual focus lens structure.
Wherein：10- fixed cylinders, 11- eyeglass group's gathering sills, 12- pin locating holes, 20- revolving drums, 21- focusing skewed slots,
22- is spacing to rise as high as the banks, 30- lens set, and 31- groups boss, 32- guide pads, the first pins of 1-, 2- screws, 3- nuts, 4- second are sold
Nail.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Refer to Fig. 1-5, a kind of manual focus lens structure, including fixed cylinder 10, revolving drum 20, fixture and lens set
30, the fixture includes pin, screw 2 and nut 3, and pin includes the first pin 1 and the second pin 4, sets in fixed cylinder 10
Be equipped with eyeglass group gathering sill 11 and pin locating holes 12, revolving drum 20 be enclosed within the outside of fixed cylinder 10 and using the first pin 1,
Screw 2 and nut 3 are fixed, and the first pin 1 is arranged in pin locating holes 12, and lens set 30 is arranged on the eyeglass group of fixed cylinder 10
In gathering sill 11, group's boss 31 in lens set 30, is provided with, on revolving drum 20, is provided with focusing skewed slot 21, group's boss 31 is pacified
It is mounted in focusing skewed slot 21 and is fixed using screw 2 and the second pin 4.It is additionally provided with three spacing to rise as high as the banks on revolving drum 20
22, three spacing to rise as high as the banks and 22 is evenly distributed on revolving drum 20, and guide pad 32, guide pad 32 and mirror are additionally provided with lens set 30
Piece group gathering sill 11 is used cooperatively.The quantity of the first pin 1, nut 3 and the second pin 4 is three, and the quantity of screw 2 is six
It is individual.The quantity of eyeglass group gathering sill 11 is three, and three eyeglass group gathering sills 11 are distributed in 120 degree.
Operation principle of the present utility model is：The installation steps of the device are as follows：By revolving drum, 20 groups enter fixed cylinder 10, then
3 nuts 3 are pressed in the hole of fixed cylinder 10, group enters 3 the first pins 1, and lock and pay 3 screws 2, then by lens set 30 groups enter
In the eyeglass group gathering sill 11 of fixed cylinder 10,3 the second pins 4 are entered lens set 30 by 21 groups of the focusing skewed slot of revolving drum 20
Group's boss 31 on, lock pay 3 screws 2.By to the left and turning right revolving drum 20, by the first pin 1 in revolving drum
20 spacing rising as high as the banks revolving drums 20 of limit in 22 are moved up and down and drive lens set in focusing skewed slot 21 about 30 with the second pin 4
It is mobile（Change relative to chip image planes distance）Focusing.Pin locating holes 12, pin positioning are provided with outside fixed cylinder 10
Hole 12 adopts the inwall of interference fit, fixed cylinder 10 to be provided with three in 120 degree of equally distributed eyeglass group gathering sills with nut 3
11, fixed cylinder 10 is fixed on projector apparatus for locking to pay, and is relatively fixed with chip distance, and the cylinder of revolving drum 20 is provided with
It is spacing rise as high as the banks 22 and focusing skewed slot 21, it is spacing rise as high as the banks 22 width ratio pin the big 0-0.01MM of diameter, flute length can be as needed
The angle initialization of revolving drum 20,0-110 ° of angular range are rotated, its function limits revolving drum 20 after being used to fill pin and moves up and down,
Circumferencial direction can be realized rotating regulatory function, and another is focusing skewed slot 21, and this groove is angled with respect to image planes inclination, with
Just the second pin 4 drives the distance of 30 relative image planes of lens set to change, so as to realize focusing；Lens set 30 has complete
Optical imaging system, has the three 120 ° group's boss 31 divided equally in lens set 30, this boss is determined for being coordinated with the second pin 4
Position lock is paid.In addition also with the 3 120 ° guide pads divided equally, this guide pad is coordinated with the eyeglass group gathering sill 11 of fixed cylinder 10 to be made
With.The device adopts the first pin 1 and the second pin 4, the external diameter 0-0.01MM less than the well width of revolving drum 20 of two kinds of pins,
First pin 1 is through in the spacing pin locating holes 12 for entering fixed cylinder 20 of rising as high as the banks 22 groups of revolving drum 20, then locks pair 3 screws 2
It is connected with nut 3, for fastening 3 pins, 3 pin one planes of composition are simultaneously vertical with the cylinder of revolving drum 20, by 3
First pin 1 limits moving up and down for revolving drum 20, and 20 circumferencial direction of revolving drum is rotatably adjusted, and the second pin 4 is through revolution
2 groups of the skewed slot of focusing of cylinder 20 enters on group's boss 31 of lens set 30, and lock is paid 3 screws 2 and fixed, and the second pin 4 drives eyeglass
30 relative image planes of group move up and down focusing.The external diameter of fixed cylinder 10 does shaft hole matching, three first pins with the internal diameter of revolving drum 20
Nail 1 is moved up and down limiting revolving drum 20, and three the second pins 4 drive 30 relative image planes of lens set to move up and down focusing, eyeglass
Three guide pads 32 of group 30 are used for limiting lens group 30 and being relatively fixed cylinder 10 rotating, it can be ensured that image quality.
The device is reasonable in design, and simple structure, fault rate are low, safety in utilization and good operation stability；The device coordinates
High precision, easy accessibility, low production cost can be relatively fixed the anglec of rotation by the flute length of revolving drum 20 restriction revolving drum 20
Degree, then groove processing length is a little to need rotation wide-angle, and then groove designs short point to need less rotational angle, and rotational angle range is capable of achieving
0-110 °, this feature is particularly suited for projector lens focusing；The device good looking appearance is generous, and stability of rotation realizes camera lens
Blur-free imaging, using effect are good.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type is by claims rather than described above is limited, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as restriction
Involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that those skilled in the art should for clarity
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (4)
1. a kind of manual focus lens structure, it is characterised in that including fixed cylinder, revolving drum, fixture and lens set, described solid
Determining part includes pin, screw and nut, and pin includes the first pin and the second pin, and eyeglass group's gathering sill is provided with fixed cylinder
And pin locating holes, revolving drum is enclosed within the outside of fixed cylinder and fixed using the first pin, screw and nut, the first pin peace
It is mounted in pin locating holes, lens set is arranged in eyeglass group's gathering sill of fixed cylinder, and group's boss is provided with lens set, returns
Focusing skewed slot is provided with rotating cylinder, group's boss is arranged in focusing skewed slot and is fixed using screw and the second pin.
2. manual focus lens structure according to claim 1, it is characterised in that three are additionally provided with the revolving drum
Spacing to rise as high as the banks, three spacing rising as high as the banks are evenly distributed on revolving drum, and guide pad, guide pad and eyeglass group are additionally provided with lens set
Gathering sill is used cooperatively.
3. manual focus lens structure according to claim 1 and 2, it is characterised in that first pin, nut and
The quantity of two pins is three, and the quantity of screw is six.
4. manual focus lens structure according to claim 1, it is characterised in that the quantity of the eyeglass group gathering sill is
Three, three eyeglass group gathering sills are distributed in 120 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621096765.0U CN206074884U (en) | 2016-09-30 | 2016-09-30 | A kind of manual focus lens structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621096765.0U CN206074884U (en) | 2016-09-30 | 2016-09-30 | A kind of manual focus lens structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206074884U true CN206074884U (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621096765.0U Active CN206074884U (en) | 2016-09-30 | 2016-09-30 | A kind of manual focus lens structure |
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| CN (1) | CN206074884U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110908065A (en) * | 2019-12-30 | 2020-03-24 | 广州长步道光电科技有限公司 | Can follow optical axis and rotate anti-disengaging's camera lens structure and imaging device |
| CN113866935A (en) * | 2021-10-21 | 2021-12-31 | 湖南长步道光学科技有限公司 | Multi-group focusing mechanism and lens |
-
2016
- 2016-09-30 CN CN201621096765.0U patent/CN206074884U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110908065A (en) * | 2019-12-30 | 2020-03-24 | 广州长步道光电科技有限公司 | Can follow optical axis and rotate anti-disengaging's camera lens structure and imaging device |
| CN110908065B (en) * | 2019-12-30 | 2023-09-12 | 湖南长步道光学科技有限公司 | Lens structure capable of rotating along optical axis to prevent falling and imaging equipment |
| CN113866935A (en) * | 2021-10-21 | 2021-12-31 | 湖南长步道光学科技有限公司 | Multi-group focusing mechanism and lens |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220513 Address after: No. 8, Hongda Road, Hongtang village, Tongsheng street, Yuhua District, Changsha City, Hunan Province, 410116 Patentee after: HUNAN CHIOPT OPTICAL TECHNOLOGY Co.,Ltd. Address before: 511400 2nd floor, No.1 Workshop, Jinshan Industrial Park, pengdizhuang, lirendong village, Nancun Town, Panyu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU CHIOPT OPTOTECH Co.,Ltd. |