CN213338291U

CN213338291U - Special optical filter for camera

Info

Publication number: CN213338291U
Application number: CN202022396512.8U
Authority: CN
Inventors: 陈文�
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-06-01
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a special light filter of camera relates to light filter technical field, the utility model discloses a light filter wheel, the inside of light filter wheel is provided with the carousel, and top one side of carousel is fixed with the fixed block, and one side of fixed block is fixed with the imaging lens cone, and the inside of carousel is provided with fixed lens cone and pivot respectively, and the inside of fixed lens cone is provided with the light filter. Through setting up the filter wheel, the carousel, the fixed block, imaging lens barrel and pivot, when the photography, when the photographer need change the light filter, the carousel drives through the pivot and rotates, thereby make the fixed block carry imaging lens barrel and rotate, owing to it has fixed lens barrel to run through on the filter wheel, the inside light filter of placing of fixed lens barrel, therefore change multiple type light filter, and simultaneously, stay the fixed lens barrel to the light filter that corresponds through imaging lens barrel, be connected with it, thereby can show this kind of light filter, alright with quick replacement light filter like this, time saving and labor saving.

Description

Special optical filter for camera

Technical Field

The utility model relates to an optical filter technical field specifically is a special optical filter of camera.

Background

Filters are optical devices used to select a desired wavelength band of radiation. The common property of the optical filter is that no optical filter can make the imaging of the celestial body brighter, because all the optical filters can absorb certain wavelengths, so that the object becomes darker, the optical filter is made of plastic or glass sheets and special dyes, and the red optical filter can only allow red light to pass through, and so on. The transmittance of the glass sheet is almost the same as that of air originally, all colored light can pass through the glass sheet, so the glass sheet is transparent, but after the glass sheet is dyed with dye, the molecular structure is changed, the refractive index is also changed, and the passing of certain colored light is changed. For example, a white light beam passes through a blue filter, and a blue light beam is emitted, while a little green light and a little red light are absorbed by the filter.

The existing special optical filter for the camera can not be changed in different colors in the camera, so that a user needs to quickly change the optical filter for a good shooting effect when outdoor shooting is carried out, a large amount of time is consumed, the time is prolonged for subsequent shooting, the optical filter can not be stored for a long time, the optical filter is easy to damage, and the optical filter is easy to damage due to natural or external factors, so that the loss is caused to the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that most of optical filters cannot be replaced with different colors in a camera and the optical filters are easy to damage, the optical filter special for the camera is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special light filter of camera, includes the filter wheel, the inside of filter wheel is provided with the carousel, top one side of carousel is fixed with the fixed block, one side of fixed block is fixed with the imaging lens section of thick bamboo, the inside of carousel is provided with fixed lens section of thick bamboo and pivot respectively, the inside of fixed lens section of thick bamboo is provided with the light filter, inside one side of light filter is provided with the film lens piece, the inside opposite side of light filter is provided with the sealing layer, the bottom of film lens piece is provided with the quartz glass layer, the bottom on quartz glass layer is provided with the heat sensitive layer, the top of sealing layer is provided with the antioxidation coating.

Preferably, the imaging lens barrel is rotatably connected with the turntable through a fixed block, and the turntable is rotatably connected with the filter wheel through a rotating shaft.

Preferably, the fixed lens barrels are provided in plurality, and the plurality of fixed lens barrels are arranged in an annular array.

Preferably, the quartz glass layer is made of a quartz glass material, and the thermosensitive layer is made of a carbonate glass material.

Preferably, the antioxidation layer is made of a glass fiber material, and the sealing layer is made of a borosilicate glass material.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the light filter wheel, the carousel, the fixed block, imaging lens barrel and pivot, when the photography, when the photographer need change the light filter, the carousel drives through the pivot and rotates, thereby make the fixed block carry imaging lens barrel to rotate, owing to it has fixed lens barrel to run through on the light filter wheel, the light filter is placed to fixed lens barrel inside, therefore change polytype light filter, and simultaneously, stay the fixed lens barrel to the corresponding light filter through imaging lens barrel, be connected with it, thereby can show this kind of light filter, so can quick replacement light filter, labour saving and time saving;

2. the utility model is provided with the optical filter, the film lens, the quartz glass layer, the heat sensitive layer, the oxidation resistant layer and the sealing layer, wherein the quartz glass layer is made of quartz glass material, has good reflection effect, increases the definition during shooting, the heat-sensitive layer is made of carbonate glass material, the carbonate glass material has good heat-resistant effect under the high-temperature operation of the camera, can prevent the softening condition of the optical filter, the oxidation resistant layer is made of glass fiber material, the fiber glass has good oxidation resistance, can make the life of light filter increase, prevent that the light filter from by the oxidation, the sealing layer adopts borosilicate glass material preparation to form, borosilicate glass has good leakproofness and humidity resistance, does benefit to the photographic work when going on in the rainy day, and the light filter can not receive the influence.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a three-dimensional structure of the imaging lens barrel of the present invention;

FIG. 3 is a schematic diagram of the internal cross-sectional structure of the optical filter of the present invention;

in the figure: 1. a filter wheel; 2. an optical filter; 3. a turntable; 4. a fixed block; 5. an imaging lens barrel; 6. A rotating shaft; 7. a thin film lens; 8. a quartz glass layer; 9. a heat-sensitive layer; 10. an anti-oxidation layer; 11. a sealing layer; 12. the lens barrel is fixed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-3, a special optical filter for a camera includes an optical filter wheel 1, a turntable 3 is disposed inside the optical filter wheel 1, a fixed block 4 is fixed on one side of the top of the turntable 3, an imaging lens barrel 5 is fixed on one side of the fixed block 4, a fixed lens barrel 12 and a rotating shaft 6 are respectively disposed inside the turntable 3, an optical filter 2 is disposed inside the fixed lens barrel 12, a thin film lens 7 is disposed on one side of the inside of the optical filter 2, a sealing layer 11 is disposed on the other side of the inside of the optical filter 2, a quartz glass layer 8 is disposed at the bottom of the thin film lens 7, a thermosensitive layer 9 is disposed at the bottom of the quartz glass layer 8, and an oxidation resistant layer 10 is.

Please refer to fig. 1-2, the imaging lens barrel 5 is rotatably connected to the rotary plate 3 through the fixing block 4, and the rotary plate 3 is rotatably connected to the filter wheel 1 through the rotating shaft 6, so that the imaging lens barrel 5 is conveniently connected to the fixed lens barrel 12, the fixed lens barrel 12 is provided with a plurality of fixed lens barrels 12, and the plurality of fixed lens barrels 12 are arranged in an annular array, so as to facilitate multiple selectivity of the filter 2.

Referring to fig. 3, the quartz glass layer 8 is made of quartz glass, the thermosensitive layer 9 is made of carbonate glass, so as to facilitate the reflection effect of the optical filter 2 and prevent the optical filter 2 from softening at high temperature, the anti-oxidation layer 10 is made of glass fiber, and the sealing layer 11 is made of borosilicate glass, so as to facilitate the oxidation resistance and the water resistance of the optical filter 2.

The working principle is as follows: firstly, when a photographer needs to replace the optical filter 2 during photographing, the rotary disc 3 is driven to rotate through the rotating shaft 6, so that the fixed block 4 carries the imaging lens barrel 5 to rotate, the fixed lens barrel 12 penetrates through the optical filter wheel 1, the optical filter 2 is placed in the fixed lens barrel 12, various types of optical filters 2 are replaced, meanwhile, the imaging lens barrel 5 is stopped to the corresponding fixed lens barrel 12 of the optical filter 2 and is connected with the fixed lens barrel 12, so that the optical filter 2 can be displayed, the optical filter 2 can be replaced rapidly, the quartz glass layer 8 is made of quartz glass, a good reflection effect is achieved, the definition during photographing is improved, the thermosensitive layer 9 is made of carbonate glass, the carbonate glass material can have a good heat-resistant effect under the high-temperature operation of a camera, and the softening condition of the optical filter 2 can be prevented, and oxidation resisting layer 10 adopts the glass fiber material preparation to form, and fiber glass has good oxidation resistance, can make the life increase of light filter 2, prevents that light filter 2 from being oxidized, and sealing layer 11 adopts borosilicate glass material preparation to form, and borosilicate glass has good leakproofness and humidity resistance, does benefit to photographic work when going on in the rainy day, and light filter 2 can not receive the influence.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A special filter for a camera, comprising a filter wheel (1), characterized in that: the inside of filter wheel (1) is provided with carousel (3), top one side of carousel (3) is fixed with fixed block (4), one side of fixed block (4) is fixed with imaging lens barrel (5), the inside of carousel (3) is provided with fixed lens barrel (12) and pivot (6) respectively, the inside of fixed lens barrel (12) is provided with light filter (2), inside one side of light filter (2) is provided with film lens (7), the inside opposite side of light filter (2) is provided with sealing layer (11), the bottom of film lens (7) is provided with quartz glass layer (8), the bottom of quartz glass layer (8) is provided with temperature sensing layer (9), the top of sealing layer (11) is provided with oxidation resisting layer (10).

2. The filter dedicated to a camera according to claim 1, wherein: the imaging lens cone (5) is rotatably connected with the rotary disc (3) through the fixed block (4), and the rotary disc (3) is rotatably connected with the filter wheel (1) through the rotating shaft (6).

3. The filter dedicated to a camera according to claim 1, wherein: the fixed lens barrels (12) are arranged in a plurality, and the fixed lens barrels (12) are arranged in an annular array.

4. The filter dedicated to a camera according to claim 1, wherein: the quartz glass layer (8) is made of a quartz glass material, and the thermosensitive layer (9) is made of a carbonate glass material.

5. The filter dedicated to a camera according to claim 1, wherein: the antioxidation layer (10) is made of glass fiber materials, and the sealing layer (11) is made of borosilicate glass materials.