CN108828763A - Two ring type filter groups - Google Patents
Two ring type filter groups Download PDFInfo
- Publication number
- CN108828763A CN108828763A CN201810520538.3A CN201810520538A CN108828763A CN 108828763 A CN108828763 A CN 108828763A CN 201810520538 A CN201810520538 A CN 201810520538A CN 108828763 A CN108828763 A CN 108828763A
- Authority
- CN
- China
- Prior art keywords
- ring
- outer portion
- eyeglass
- internal ring
- rolling member
- 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
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
- G02B26/023—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light comprising movable attenuating elements, e.g. neutral density filters
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
- G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The present invention provides a kind of two ring type filter groups, can be fixedly arranged on a camera lens, and have one first ring body, one second ring body, one first eyeglass and one second eyeglass.Second ring body has an outer portion, an internal ring portion, an operation portion and multiple rolling members.Outer portion is fixedly arranged on the first ring body, and internal ring portion is rotationally located in outer portion, and operation portion is fixedly arranged on internal ring portion and forwardly convex, the rolling member rotationally tug folded by outer portion and internal ring portion.First eyeglass is sheathed in the outer portion, and the second eyeglass is sheathed in the internal ring portion.User, which easily passes through, pushes operation portion manipulation internal ring portion rotation, is formed there through groove in outer portion without passing through, therefore dirt is not easily accessible between outer portion and internal ring portion, will not more enter between the first eyeglass and the second eyeglass.
Description
Technical field
The present invention relates to a kind of filter groups, especially with regard to a kind of filter group comprising two eyeglasses.
Background technique
Filter is that a kind of radiography assisting device being installed in front of camera lens also can other than it can be used to protect camera lens
Selective absorbing is carried out to the different-waveband of light, to form special effect of shadow on photographic work.General common filter
Mirror such as polariscope or dim light mirror, the principle of polariscope are mainly designed to that the light of a certain optical axis is only allowed to pass through, will not have
The natural light of deflection polarity is converted into polar biased light, therefore polariscope can be the reflector filter on non-metallic object surface, the water surface etc.
It eliminates, keeps color more bright-coloured, and dim light mirror is then that can reduce into light quantity, therefore camera can be helped to reduce shutter speed, strong
In the case that light irradiates, large aperture still can be used to take the effect of the shallow depth of field.A piece of filter is only installed in a previous filter group,
Although the filter group of multiple and different effects can be overlapped using to generate required effect of shadow by user, such to make
With other than it must carry multiple filter groups, also angle coverage being caused to contract because multiple filter groups are overlapped the shortcomings that mode
It is small, therefore someone just designed a kind of filter group for being installed with two panels filter later.
The filter group for being installed with two panels filter of the prior art, such as No. 591413 patents of invention of TaiWan, China I are mentioned
In filter group out, wherein the position of a piece of filter is fixed, another filter can be rotated.It is inclined to install two panels in the filter group
, can be most by the light of two polariscope when the optical axis of two polariscope is parallel to each other for light microscopic, therefore present most bright inclined
Light effect；, can be minimum by the light of two polariscope when the optical axis of two polariscope is mutually perpendicular to, therefore most dark polarisation is presented
Effect.That is, by two polariscopes arrange in pairs or groups use, in addition to have filtering it is reflective, make bright effect other than, also have both and subtract
The effect of light, and the adjustable polarisation of filter group, dimming effect variation mainly the optical axis of two polariscope be parallel to each other to
The optical axis of two polariscope is orthogonal between 0 degree to 90 degree.
And in order to enable eyeglass to relatively rotate, aforementioned filter group contains a fixed ring and an adjustment ring, and adjustment ring is
It is rotatablely arranged in fixed ring, and two polariscopes are individually fixed in fixed ring and adjustment ring.In order to allow user's energy
Adjustment ring and polariscope thereon are rotated, a guide groove is formed in existing fixed ring, and adjustment ring is equipped with a drive rod, and drives
Lever is arranged in guide groove and can move along guide groove.When drive rod is moved along guide groove, convenient for having moved adjustment ring and thereon inclined
Light microscopic rotation.However, this turn, in the design for being formed with guide groove in filter group, the dirts such as dust or soft flocks are easier to be stuck in guide groove
It is interior, in some instances it may even be possible to enter in filter group via guide groove.In this way, being not only difficult to clear up, it is also possible to influencing into image quality when serious
Amount.
It is the problem that industry is anxious to be resolved thus in view of this, proposing a kind of more preferably improvement plan.
Summary of the invention
It is a primary object of the present invention to propose a kind of two ring type filter groups, it includes two filters, and fix two filters
It is very close to each other between two ring bodies, therefore there is no space dirt, and dirt will not be by entering between two filters between two ring bodies.
In order to achieve the above object, two ring type filter groups proposed by the invention have：
One first ring body, has：One affixed side can be fixedly arranged on the camera lens；And it on front side of in the of one, is fixed relative to this
Side；
One second ring body, is set to the front side of first ring body, and has：One outer portion is set to first ring
Body；One internal ring portion is rotationally located in the outer portion；One operation portion, is fixedly arranged on the internal ring portion, and it is forwardly convex extremely
Outside the outer portion；And multiple rolling members, rotationally pull folded by the outer portion and the internal ring portion；
One first eyeglass, is sheathed in the outer portion；And
One second eyeglass, is sheathed in the internal ring portion, and second eyeglass is parallel with first eyeglass and interval is set
It sets.
Therefore, it is an advantage of the current invention that outer portion and internal ring portion can successfully be relatively rotated by rolling member, and it is fixed
It is protruded in the operation portion on internal ring portion from front side of outer portion, allows user to easily pass through and operation portion manipulation internal ring portion is pushed to turn
It is dynamic, it is formed there through groove in outer portion without passing through, therefore dirt is not easily accessible between outer portion and internal ring portion, more will not
Into between the first eyeglass and the second eyeglass.
In foregoing two ring types filter group, the lateral surface of the internal ring portion is formed with multiple accommodation grooves, the rolling member
It is respectively contained in wherein accommodation groove.
In foregoing two ring types filter group, the medial surface of the outer portion is formed with a ring groove, the rolling member energy
It is rolled in the ring groove.
In foregoing two ring types filter group, which has more a limited block, is fixedly arranged on the outer portion
Medial surface, thus the rolling member can not pass through the limited block.
In foregoing two ring types filter group, when the limited block is resisted against wherein rolling member, second eyeglass
Polar axis and first eyeglass polar axis angle less than 90 degree.
In foregoing two ring types filter group, respectively the rolling member is ball.
In foregoing two ring types filter group, which is rotatablely arranged at first ring body；The internal ring portion with
The resistance rotated between the outer portion is less than the resistance rotated between the outer portion and first ring body.
Detailed description of the invention
Fig. 1 is stereoscopic schematic diagram of the invention.
Fig. 2 is decomposition diagram of the invention.
Fig. 3 is the diagrammatic cross-section at a visual angle of the invention.
Fig. 4 is the diagrammatic cross-section at another visual angle of the invention.
Fig. 5 is the diagrammatic cross-section at positive visual angle of the invention.
Symbol description
10 first ring bodies
20 second ring bodies
21 outer portions
210 ring grooves
22 internal ring portions
220 accommodation grooves
23 rolling members
24 limited blocks
25 operation portions
30 first eyeglasses
40 second eyeglasses.
Specific embodiment
Referring first to Fig. 1 to Fig. 3.The present invention proposes a kind of two ring type filter groups, can be fixedly arranged on a camera lens.The present invention
Two ring type filter groups there is one first ring body 10, one second ring body 20, one first eyeglass 30 and one second eyeglass 40, and select
There is to selecting property multiple rolling members 23 and a limited block 24.
First ring body 10 has an affixed side and a front side.Affixed side can be fixedly arranged on camera lens, and front side is the first ring body 10
On the other side relative to affixed side.First ring body 10 is as the part fixed with camera lens, therefore its affixed side can be formed with spiral shell
Line or card slot.
Second ring body 20 may be disposed at the front side of the first ring body 10.In the present embodiment, the second ring body 20 has an outer portion
21, an internal ring portion 22, multiple rolling members 23, and optionally there is limited block 24 and operation portion 25.Outer portion 21 can be rotated
Ground is sheathed in the first ring body 10, and the first eyeglass 30 is sheathed in outer portion 21, but the outer portion in other embodiments
21 can also cannot be rotationally mutually fixed with the first ring body 10.In this present embodiment, it is recessed to be formed with a ring for the medial surface of outer portion 21
Slot 210, but can also not have ring groove 210 in other embodiments.
Internal ring portion 22 is rotationally mutually arranged with outer portion 21.In this present embodiment, internal ring portion 22 is rotationally installed with
In in outer portion 21.Specifically, the outer peripheral surface of internal ring portion 22 can be covered by outer portion 21, but the leading flank of internal ring portion 22 is not
Covered by outer portion 21, and the leading flank of internal ring portion 22 can compared with outer portion 21 leading flank closer to the first ring body 10.And this
The second ring body 20 has operation portion 25 in embodiment, is fixedly arranged on internal ring portion 22 and forwardly convex to outside outer portion 21.Change speech
It, 25 radially protruding of operation portion rotates the second ring body internal ring portion 22 in outside the leading flank of outer portion 21 so that user operates.This
In embodiment, operation portion 25 is an annular, but also can be a convex block protruded forwards in other embodiments.The present embodiment
In, operation portion 25 and internal ring portion 22 are integrally formed, but operation portion 25 can be additional to another group of internal ring portion 22 in other embodiments
Part.The lateral surface of internal ring portion 22 is formed with multiple accommodation grooves 220.Accommodation groove 220 can be used for accommodating rolling member 23.Second eyeglass 40
It is sheathed in internal ring portion 22, and the second eyeglass 40 is parallel with the first eyeglass 30 and interval is arranged.
Rolling member 23 can be ball, needle roller or roller, and rotationally pull folded by outer portion 21 and internal ring portion 22, by
This enables internal ring portion 22 to rotate relative to outer portion 21.Specifically, rolling member 23 is respectively contained in 22 lateral surface of internal ring portion
Wherein in an accommodation groove 220, and part protrudes from accommodation groove 220, and the part of the protrusion of rolling member 23 is located at the ring of outer portion 21
In groove 210.Therefore, rolling member 23 can roll in accommodation groove 220 and ring groove 210.And limited block 24 is fixedly arranged on outer portion
21 medial surface, and be to be fixedly arranged in ring groove 210, and protruded from the bottom surface of ring groove 210, thus rolling member in the present embodiment
23 can not be by limited block 24, and limits the angle that internal ring portion 22 can be rotated relative to outer portion 21.It is limited in the present embodiment
Block 24 and outer portion 21 are the component that two independence can divide, but in other embodiments limited block 24 can with 21 one of outer portion at
Shape, therefore can be the convex block protruded from the ring groove 210 of outer portion 21.
By in this present embodiment, there is rolling member 23 between internal ring portion 22 and outer portion 21, and outer portion 21 and the first ring body
10 do not have rolling member, so that the resistance between internal ring portion 22 and outer portion 21 is less than the resistance between outer portion 21 and the first ring body 10
Power.Therefore, when user exerts a force rotation outer portion 21, internal ring portion 22 can follow outer portion 21 to rotate, when user's force turns
When dynamic internal ring portion 22, outer portion 21 is because of the resistance between the first ring body 10 without following internal ring portion 22 to rotate.
Further, since lubricating oil can be added between internal ring portion 22 and outer portion 21 and between outer portion 21 and the first ring body 10
To prevent the abrasion between each group part, but in order to reach said effect, between internal ring portion 22 and outer portion 21 and outer portion 21 and
The damped coefficient for the lubricating oil being added between one ring body 10 can not be identical.Specifically, between internal ring portion 22 and outer portion 21
The damped coefficient of lubricating oil be smaller than the damped coefficient of the lubricating oil between outer portion 21 and the first ring body 10, therefore, equally
Ground, when user exerts a force rotation outer portion 21, internal ring portion 22 can follow outer portion 21 to rotate, and rotate inner ring when user exerts a force
When portion 22, outer portion 21 is because of the resistance between the first ring body 10 without following internal ring portion 22 to rotate.
Next referring to Fig. 3 to Fig. 5.Under the above constitution, limited block 24 is only capable of moving between two adjacent rolling members 23,
Therefore in the range of the angle maximum that internal ring portion 22 is able to rotate is only limitted between two adjacent rolling members 23 of sandwiched rolling member 23.
In the present embodiment, the quantity of the accommodation groove 220 of internal ring portion 22 is equal to the quantity of rolling member 23, therefore in each accommodation groove 220 all
Equipped with a rolling member 23.But in order to which the angle that internal ring portion 22 is able to rotate increases, and still possesses enough rolling members 23 and rub to reduce
Power is wiped, the quantity of rolling member 23 is smaller than the quantity of the accommodation groove 220 of internal ring portion 22, and wherein between two adjacent rolling members 23
There is at least one accommodation groove 220 for not being equipped with rolling member 23, while limited block 24 is located between two rolling member 23.It limits as a result,
Block 24 mobile range in position is not limited by accommodation groove 220.
In the present embodiment, the first eyeglass 30 and the second eyeglass 40 are all polariscope.If therefore the first eyeglass 30 and the second mirror
It, can be in generating cross pattern in imaging when the polar axis of piece 40 is turned to perpendicular.In order to avoid the generation of cross pattern, should be prevented
It is perpendicular that one eyeglass 30 and the second eyeglass 40 are turned to its polar axis.Therefore, when limited block 24 is resisted against a wherein rolling member 23
When, the angle of the polar axis of the polar axis of the second eyeglass 40 and the first eyeglass 30 is less than 90 degree.For example, limited block 24 can be set to
The diameter line edge of the parallel polar axis of one eyeglass 30 is online, and is set to the second eyeglass adjacent to a wherein rolling member 23 for limited block 24
The diameter line of 40 vertical polar axis, since rolling member 23 can not be overlapped with limited block 24, rotates not anyway along online
The polar axis of the first eyeglass 30 and the second eyeglass 40 can be made perpendicular.
In other embodiments, the diameter line edge that limited block 24 can also be set to the vertical polar axis of the first eyeglass 30 is online,
And the diameter line of the parallel polar axis of the second eyeglass 40 is set to along online adjacent to a wherein rolling member 23 for limited block 24, it can also reach
To the same effect.Even, in other embodiments, limited block 24 can also be set to and deviates the counterclockwise clockwise (or)
The position of an angle along the diameter line of the parallel polar axis of one eyeglass 30, and be arranged adjacent to a wherein rolling member 23 for limited block 24
It also offsets from the position of the same angle of diameter line of the parallel polar axis of the second eyeglass 40
In other embodiments, the setting position of ring groove 210 and accommodation groove 220 can be opposite.Also that is, outer portion 21 it is interior
Side is formed with multiple accommodation grooves, and the lateral surface of internal ring portion 22 is formed with a ring groove.Therefore, limited block 24 can also be correspondingly
On internal ring portion 22.
In other embodiments, can not have and roll 23 and limited block 24, but internal ring portion 22 still can be in outer portion 21
Sliding rotation.In other embodiments, only there can be rolling member 23 without limited block 24.
In conclusion outer portion 21 and internal ring portion 22 of the invention can successfully be relatively rotated by rolling member 23, and solid
Operation portion 25 on internal ring portion 22 is protruded from front side of outer portion 21, allows user to easily pass through and operation portion 25 is pushed to manipulate
Internal ring portion 22 rotates, without by being formed there through groove in outer portion 21, therefore dirt be not easily accessible outer portion 21 with it is interior
Between ring portion 22, will not more it enter between the first eyeglass 30 and the second eyeglass 40.
Claims (7)
1. a kind of two ring type filter groups, can be fixedly arranged on a camera lens, and have：
One first ring body, has：One affixed side can be fixedly arranged on the camera lens；And on front side of in the of one, relative to the affixed side；
One second ring body, is set to the front side of first ring body, and has：One outer portion is set to first ring body；One
Internal ring portion is rotationally located in the outer portion；One operation portion is fixedly arranged on the internal ring portion, and forwardly convex outer to this
Outside ring portion；And multiple rolling members, rotationally pull folded by the outer portion and the internal ring portion；
One first eyeglass, is sheathed in the outer portion；And
One second eyeglass, is sheathed in the internal ring portion, and second eyeglass is parallel with first eyeglass and interval is arranged.
2. two ring types filter group according to claim 1, wherein the lateral surface of the internal ring portion is formed with multiple accommodation grooves,
The rolling member is respectively contained in wherein accommodation groove.
3. two ring types filter group according to claim 2, wherein the medial surface of the outer portion is formed with a ring groove, institute
Stating rolling member can roll in the ring groove.
4. two ring types filter group according to claim 2, wherein second ring body has more a limited block, is fixedly arranged on
The medial surface of the outer portion, thus the rolling member can not pass through the limited block.
5. two ring types filter group according to claim 4, wherein when the limited block is resisted against wherein rolling member,
The angle of the polar axis of the polar axis of second eyeglass and first eyeglass is less than 90 degree.
6. two ring types filter group according to any one of claim 1 to 5, wherein respectively the rolling member is ball.
7. two ring types filter group according to any one of claim 1 to 5, wherein the outer portion is rotatablely arranged at
First ring body；The resistance rotated between the internal ring portion and the outer portion, which is less than, to be rotated between the outer portion and first ring body
Resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810520538.3A CN108828763A (en) | 2018-05-28 | 2018-05-28 | Two ring type filter groups |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810520538.3A CN108828763A (en) | 2018-05-28 | 2018-05-28 | Two ring type filter groups |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108828763A true CN108828763A (en) | 2018-11-16 |
Family
ID=64145796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810520538.3A Pending CN108828763A (en) | 2018-05-28 | 2018-05-28 | Two ring type filter groups |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108828763A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110032021A (en) * | 2019-03-14 | 2019-07-19 | 晶积科技股份有限公司 | Two ring type filter groups |
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| CN106802531A (en) * | 2016-09-14 | 2017-06-06 | 晶积科技股份有限公司 | Three-ring filter set |
| CN206479753U (en) * | 2017-02-21 | 2017-09-08 | 绍兴维肯光学科技有限公司 | A kind of adjustable camera lens light-inletting quantity and the dim light filter with stopping means |
| CN107844011A (en) * | 2016-09-18 | 2018-03-27 | 蒙天培 | Pass through the adjustable polycyclic polarisation dim light microscope group of elastic clamping part axially position |
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2018
- 2018-05-28 CN CN201810520538.3A patent/CN108828763A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202897657U (en) * | 2012-10-26 | 2013-04-24 | 太仓东元微电机有限公司 | Bearing- jumping-proof rotor |
| JP2015191225A (en) * | 2014-03-31 | 2015-11-02 | キヤノン株式会社 | Lens barrel and optical device |
| CN104991400A (en) * | 2015-08-07 | 2015-10-21 | 浙江水晶光电科技股份有限公司 | Hand-shaking resistance device and infrared filtering anti-shaking module group structure |
| CN105068362A (en) * | 2015-08-18 | 2015-11-18 | 北京空间机电研究所 | High-precision high-rigidity space camera filter switching mechanism |
| CN106802531A (en) * | 2016-09-14 | 2017-06-06 | 晶积科技股份有限公司 | Three-ring filter set |
| CN107844011A (en) * | 2016-09-18 | 2018-03-27 | 蒙天培 | Pass through the adjustable polycyclic polarisation dim light microscope group of elastic clamping part axially position |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110032021A (en) * | 2019-03-14 | 2019-07-19 | 晶积科技股份有限公司 | Two ring type filter groups |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181116 |