Lens capable of being overturned for use
By designing a flip-up lens and utilizing different numbers of concentric ring grooves on the lens body to achieve zooming, the problems of complex focusing, low efficiency, and high cost of existing lenses are solved, achieving the effect of simple operation, high efficiency, and small size.
Patent Information
- Application Number
- CN202520101189.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-01-16
AI Technical Summary
Existing zoom lenses have complex focusing methods, low operating efficiency, high cost, and large lens size.
Design a flip-up lens with a different number of concentric circular grooves on the lens body. The angle can be adjusted by flipping the light-emitting surface of the lens body to achieve zoom operation.
It simplifies zoom operation, improves efficiency, reduces costs, and decreases the size of the lens.
Smart Images
Figure CN223636002U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of lighting devices, and in particular relates to a lens that can be used in reverse. BACKGROUND
[0002] Common zoom lenses on the market are mostly frog-eye lenses and Fresnel lenses, which can meet the requirements of users for light spot shape and angle, but the focusing mode is to move the distance between the lens and the light source, the operation process is complex, the efficiency is low, and the lens itself is large in size and high in cost. CONTENT OF THE UTILITY MODEL
[0003] In order to overcome the above-mentioned shortcomings in the prior art, the purpose of the present application is to provide a lens that can be used in reverse, which is small in size and low in cost, can be adjusted according to needs, meets various needs, and is convenient and fast to operate.
[0004] The technical means adopted by the present application to solve the above technical problems is:
[0005] The present application provides a lens that can be used in reverse, comprising a mirror body, the mirror body is in a cylindrical structure, the mirror body has a first light exit surface and a second light exit surface arranged oppositely, the first light exit surface is provided with N concentric circular grooves, the second light exit surface is provided with M concentric circular grooves, and M is greater than N.
[0006] Preferably, the first light exit surface and the second light exit surface are respectively provided with circular grooves.
[0007] Preferably, the bottom wall of the circular groove is an outwardly convex arc surface.
[0008] Preferably, the thickness of the mirror body is 2-8mm.
[0009] Preferably, the side wall of the mirror body is provided with a support block in the radial direction.
[0010] Preferably, M:N=(8-12):1.
[0011] Preferably, the cross section of the circular groove is in a triangular structure.
[0012] Compared with the prior art, the lens that can be used in reverse of the present application is provided with a first light entrance surface and a second light entrance surface, because N is less than M, the N circular grooves of the first light entrance surface can be used as a lens with a large-angle entrance surface, and the M circular grooves of the second light entrance surface can be used as a lens with a small-angle entrance surface, and when adjusting, only the surface corresponding to the light source needs to be exchanged to realize transformation, the structure is simple, the operation is simple and fast, and the efficiency is high. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments of the present application. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as limiting the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0014] Fig. 1 Structure diagram of one side of the reversible lens of the present application.
[0015] Fig. 2 Structure diagram of the other side of the reversible lens of the present application.
[0016] Fig. 3 Sectional view of the reversible lens of the present application.
[0017] Label description:
[0018] 1, mirror body; 2, first light entrance surface; 3, second light entrance surface; 4, circular groove; 5, support block; 6, circular groove. DETAILED DESCRIPTION
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments of the present application. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as limiting the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0020] It should be noted that: unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments of the present application, and are not intended to limit the present application. Similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. At the same time, in the description of the present application, the terms "first", "second" and the like are only used for differentiation and description, and cannot be understood as indicating or implying relative importance.
[0021] As Figs. 1-3As shown, the lens provided in the embodiment can be used reversibly, comprising a mirror body 1, the mirror body 1 is in a cylindrical structure, the mirror body 1 has oppositely arranged first light-out surface and second light-out surface, the first light-out surface is provided with N concentric circular grooves 4, the second light-out surface is provided with M concentric circular grooves 4, and the M is greater than the N.
[0022] In some preferred embodiments of the utility model, the first light-out surface and the second light-out surface are respectively provided with circular grooves 6. In this way, the circular grooves 6 can be used as auxiliary incidence surfaces.
[0023] In some preferred embodiments of the utility model, the bottom wall of the circular groove 6 is an outwardly convex arc surface. In this way, the outwardly convex arc surface can ensure that the incident light transmits from the other surface.
[0024] In some preferred embodiments of the utility model, the thickness of the mirror body 1 is 2-8mm. In this way, the thickness of the mirror body 1 is small, and the overall volume is reduced.
[0025] In some preferred embodiments of the utility model, the side wall of the mirror body 1 is provided with a support block 5 in the radial direction. In this way, the support block 5 can facilitate the installation of the mirror body 1 on the external device.
[0026] In some preferred embodiments of the utility model, the M:N=(8-12):1. In this way, it can be better applied to various scenes and facilitate the adjustment needs of various scenes.
[0027] In some preferred embodiments of the utility model, the cross section of the circular groove 4 is in a triangular structure.
[0028] Compared with the prior art, the mirror body 1 of the lens provided in the application is provided with a first light-in surface 2 and a second light-in surface 3, because N is less than M, the N circular grooves 4 of the first light-in surface 2 can be used as a lens with a large-angle incidence surface, and the M circular grooves 4 of the second light-in surface 3 can be used as a lens with a small-angle incidence surface, when adjusting, only the surface corresponding to the light source needs to be exchanged, so that the transformation can be realized, the structure is simple, the operation is simple and fast, and the efficiency is high.
[0029] The above is only a specific embodiment of the application, and is not used to limit the protection scope of the application. For those skilled in the art, the application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the application should be included in the protection scope of the application. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the application, which should also be included in the protection scope of the application. Therefore, the protection scope of the application should be limited by the protection scope of the claims.
[0030] It has to be noted that, in the present document, the terms "first", "second", etc. merely serve to identify a subject or action, and do not necessarily require or imply any such actual relationship or order between such subjects or actions. Furthermore, the terms "comprising", "containing" or any other similar textual variations in the present document are intended to be inclusive or open and, thus, specify the presence of stated features, integers, steps, processes, actions, or the like, but do not preclude or exclude the presence or addition of one or more additional features, integers, steps, processes, acts, or the like in the process, method, article, or apparatus that comprises the stated features, integers, steps, processes, acts, or the like. In the absence of further limitations, a feature introduced by the phrase "comprising a" does not exclude the presence of additional identical features in the process, method, article, or apparatus that comprises the stated feature.
Claims
1. A lens which can be used in both directions, characterized in that, The mirror body is in a cylindrical structure, and has oppositely arranged first and second light-out surfaces, the first light-out surface is provided with N concentric circular grooves, and the second light-out surface is provided with M concentric circular grooves, and M is greater than N.
2. The reversible use lens according to claim 1, wherein, The first and second light-out surfaces are respectively provided with circular grooves.
3. The reversible use lens according to claim 2, wherein, The bottom wall of the circular groove is in an outwardly convex arc surface.
4. The reversible use lens of claim 1, wherein, The thickness of the mirror body is 2-8 mm.
5. The reversible use lens of claim 1, wherein, The side wall of the mirror body is provided with a support block in the radial direction.
6. The reversible use lens of claim 1, wherein, M:N=(8-12):
1.
7. The reversible use lens of claim 1, wherein, The circular groove is in a triangular structure in cross section.