Light filtering device
By designing a light filtering device with first and second filters, and using a magnetic adsorption structure and adapter ring to connect it to the lens, secondary light filtering is achieved, solving the problem of poor light filtering effect of traditional filters, improving the imaging quality of photographic equipment, and simplifying the installation process of the device.
Patent Information
- Application Number
- CN202520168045.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-24
AI Technical Summary
Traditional filters have poor light filtering effects and cannot effectively improve the imaging effect of photographic equipment.
A light filtering device comprising a first housing and a second housing is designed, with a first filter and a second filter disposed between the housings. The filter is mounted on the lens by a magnetic adsorption structure and connected to the lens by an adapter ring, thereby achieving secondary light filtering.
It achieves better light filtering effect, improves the quality of captured images, and facilitates the installation and removal of the light filter device, avoiding damage to the lens.
Smart Images

Figure CN223664884U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to filter technology field mainly relates to a filter device. BACKGROUND
[0002] It is known that the photography light supplement lamp as the photography light compensation equipment can increase the light of each angle of the shooting object, the light source point makes the position required by the shooting object to obtain the sufficient light, to reach the effect that the required effect is shot out. For example, when the human oral cavity is shot, in order to see the condition on the oral cavity and tooth, will install the light supplement lamp on the camera head, again for example, when the portrait is shot, will also install the light supplement lamp and increase the light when shooting. When using the light supplement lamp, the light supplement lamp will emit a variety of different colors, and some light will affect the imaging of the photography equipment, resulting in the image effect of the last shot is poor. Based on this, various filters appear on the consumer market, and the light is filtered through the filter, so that the camera can shoot the satisfactory image. However, the traditional filter only has the filtering capacity once, and the filtering effect is poor. SUMMARY
[0003] The utility model aims at solving some problems in the prior art. To this end, the purpose of the utility model is to propose a filter device.
[0004] To achieve the above-mentioned purpose, the utility model realizes by the following technical scheme:
[0005] A filter device, comprising a first shell and a second shell, the second shell is installed on the first shell, a plurality of filters are arranged between the first shell and the second shell, the filter comprises a first filter and a second filter, the first shell side is provided with the connecting piece that extends outward, the connecting piece is hollow cylindrical structure, the connecting piece is provided with the connecting portion on the end face away from the first shell.
[0006] As preferred, the first filter is arc structure, and the number is at least two, the second filter is circular structure, the second filter is aligned with the connecting piece, and the first filter is arranged on the outside of the second filter.
[0007] As preferred, a plurality of openings are arranged on the first shell and the second shell, the shape of the opening is matched with the first filter and the second filter, which are arc-shaped opening and circular opening respectively.
[0008] As preferred, a plurality of assembly grooves are arranged on the side close to the filter of the opening, the shape of the assembly groove is matched with the first filter and the second filter, which are arc-shaped assembly groove and circular assembly groove respectively, and the first filter and the second filter are installed in the assembly groove.
[0009] As preferred, a plurality of equidistantly arranged mounting grooves are arranged on the connecting part, and the magnets are mounted in the mounting grooves.
[0010] As preferred, a plurality of alignment grooves are arranged on the first shell, and a plurality of alignment protrusions are arranged on the second shell, and the alignment protrusions are used in cooperation with the alignment grooves.
[0011] As preferred, an adapter ring is further included, and the adapter ring is used in cooperation with the magnets.
[0012] As preferred, an external thread is arranged on the outer wall of the adapter ring.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] 1、The utility model has two groups of filters, can carry out secondary filtering to the light of the light supplementing lamp, the filtering effect is good, makes the image effect of shooting better.
[0015] 2、The utility model is adsorbed on the lens through the magnetic attraction structure, is convenient for the disassembly of the light filtering device, and will not damage the lens.
[0016] The features and advantages of the utility model will be explained in detail by combining with the drawings. DRAWINGS
[0017] Figure 1 It is the perspective view of the utility model;
[0018] Figure 2 It is the explosion drawing of the utility model;
[0019] Figure 3 It is the sectional view of the utility model;
[0020] Figure 4 It is the use state structure schematic of the utility model Figure 1 ;
[0021] Figure 5 It is the use state structure schematic of the utility model Figure 2 .
[0022] Reference signs: 1. first shell, 2. second shell, 3. first filter, 4. second filter, 5. connecting piece, 6. connecting part, 7. opening, 8. assembly groove, 9. magnet, 10. alignment groove, 11. alignment protrusion, 12. light supplementing lamp, 13. lens, 14. adapter ring. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below by combining with specific embodiments.
[0024] The exemplary embodiments will be described in detail herein with reference to the attached drawings. In the following description, like reference numerals refer to like elements, unless the context clearly dictates otherwise. The following description is not intended to represent all embodiments in accordance with the present application. Rather, they merely represent typical embodiments in accordance with a portion of the application, as detailed in the appended claims.
[0025] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. Unless otherwise defined, technical terms or scientific terms used in the present application shall have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the application (especially in the context of claims) are to be construed to cover both the singular and the plural, unless otherwise indicated herein or clearly contradicted by context. The terms "comprising," "having," "including," and "containing" are to be construed as open-ended terms (i.e., meaning "including, but not limited to") unless otherwise noted. Recitation of ranges of values herein are merely intended to serve as a shorthand method of referring individually to each separate value falling within the range, unless otherwise indicated herein and each separate value is incorporated into the specification as if it were individually recited herein. The use of any and all examples, or exemplary language (e.g., "such as") provided herein, is intended merely to better illuminate the application and does not pose a limitation on the scope of the application unless otherwise claimed. No language is such that it will be construed as indicating any non- claimed element as essential to the practice of the application.
[0026] Reference will be made to Figures 1-3 The filter device comprises a first shell 1 and a second shell 2, the second shell 2 is clamped and mounted on the first shell 1, and an adhesive (glue) is filled at the gap between the two, so that the first shell 1 and the second shell 2 are tightly fixed together, and a plurality of filters are arranged between the first shell 1 and the second shell 2, the filters comprise a first filter 3 and a second filter 4, the first filter 3 and the second filter 4 are used in cooperation, can perform secondary filtering on the light of the light supplement lamp 12, the filtering effect is good, and the image effect of shooting is better.
[0027] Specifically, the first filter 3 is in an arc structure and the number is two, the two first filters 3 are symmetrically arranged, the second filter 4 is in a circular structure, the second filter 4 is aligned with the connecting piece 5, and the first filter 3 is arranged on the outer side of the second filter 4 in a surrounding manner.
[0028] Further, the first shell 1 and the second shell 2 are provided with a plurality of openings 7, the shape of the openings 7 is matched with the first filter 3 and the second filter 4, and the openings 7 are respectively arc-shaped openings 7 and circular openings 7, so that the light can pass through the openings 7 and be filtered by the filters.
[0029] Further, the openings 7 are provided with assembly grooves 8 on the side close to the filters, the shape of the assembly grooves 8 is matched with the first filter 3 and the second filter 4, and the assembly grooves 8 are respectively arc-shaped assembly grooves 8 and circular assembly grooves 8, the first filter 3 and the second filter 4 are installed in the assembly grooves 8, and the design of the assembly grooves 8 fixes the filters and prevents the filters from moving.
[0030] Further, the first shell 1 is provided with a connecting piece 5 extending outward on one side, the connecting piece 5 is a hollow cylindrical structure, the connecting piece 5 is provided with a connecting part 6 on the end face away from the first shell 1, a plurality of installation grooves (not shown in the figure) are arranged at equal intervals on the connecting part 6, and magnets 9 are installed in the installation grooves, so that the light filtering device is adsorbed on the lens 13, the light filtering device is more simple to install and disassemble, and the lens 13 is not damaged.
[0031] Further, the first shell 1 is provided with four alignment grooves 10, and the second shell 2 is provided with four alignment protrusions 11, the alignment protrusions 11 are used in cooperation with the alignment grooves 10, the alignment protrusions 11 and the alignment grooves 10 play an alignment role, and the installation positions of the two are more accurate.
[0032] Further, the light filtering device further comprises an adapter ring 14, the adapter ring 14 is made of metal material and can be adsorbed by the magnets 9, and the adapter ring 14 is used in cooperation with the magnets 9.
[0033] Further, the outer wall of the adapter ring 14 is provided with external threads, the lens 13 is provided with internal threads matched with the external threads, and the adapter ring 14 is connected to the lens 13 through cooperation of the external threads and the internal threads.
[0034] The utility model discloses a light filtering device, and the working principle is combined with the drawings Figure 4 and 5 Description:
[0035] Firstly, the adapter ring 14 is screwed on the lens 13 by screwing, at this time, the adapter ring 14 and the lens 13 form a clamping groove, the ring-shaped light supplement lamp 12 is assembled in the clamping groove, then the light filtering device is assembled on the lens 13 and is adsorbed on the adapter ring 14 by the magnet 9, at this time, the light supplement lamp 12 is located between the light filtering device and the lens 13, the light supplement lamp 12 is turned on, the oral cavity is aligned, the light emitted by the light supplement lamp 12 will first pass through the two first filters 3, is filtered by the first filter 3 first, then is filtered by the second filter 4 by reflection, the two groups of filters are used in cooperation to perform secondary light filtering on the light of the light supplement lamp 12, the light filtering effect is good, so that the image effect of the shooting is better.
[0036] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A light filtering device, comprising a first housing and a second housing, wherein the second housing is mounted on the first housing, characterized in that, A plurality of filters are disposed between the first housing and the second housing. The filters include a first filter and a second filter. A connecting member extending outward is disposed on one side of the first housing. The connecting member is a hollow cylindrical structure. A connecting portion is disposed on the end face of the connecting member away from the first housing.
2. The filtering device according to claim 1, characterized in that, The first filter has an arc-shaped structure and there are at least two of them. The second filter has a circular structure. The second filter is aligned with the connector. The first filter is arranged around the outside of the second filter.
3. The filtering device according to claim 2, characterized in that, The first housing and the second housing are provided with a plurality of openings, the shapes of which are adapted to the first filter and the second filter, respectively, being arc-shaped openings and circular openings.
4. The filtering device according to claim 3, characterized in that, The opening has several mounting slots on the side near the filter. The shape of the mounting slots is adapted to the first filter and the second filter, and they are respectively arc-shaped mounting slots and circular mounting slots. The first filter and the second filter are installed in the mounting slots.
5. The filtering device according to claim 1 or 4, characterized in that, The connecting part is provided with a plurality of equally spaced mounting slots, and magnets are installed in the mounting slots.
6. The filtering device according to claim 5, characterized in that, The first housing has a plurality of alignment grooves, and the second housing has a plurality of alignment protrusions, which are used in conjunction with the alignment grooves.
7. The filtering device according to claim 6, characterized in that, It also includes an adapter ring, which is used in conjunction with a magnet.
8. The filtering device according to claim 7, characterized in that, The outer wall of the adapter ring is provided with external threads.