CN118151413A

CN118151413A - Novel adjustable focal length lens structure and glasses

Info

Publication number: CN118151413A
Application number: CN202410408504.0A
Authority: CN
Inventors: 沈国宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2024-03-27
Filing date: 2024-04-07
Publication date: 2024-06-07

Abstract

The invention discloses a novel adjustable focal length lens structure and glasses, wherein the lens structure comprises a lens body with two light-transmitting surface bodies, a cavity between the two surface bodies, at least one surface body is a soft surface body, the cavity is provided with a pressurizing or depressurizing inlet and a pressurizing outlet, a flowable light-transmitting medium is injected into the cavity through the inlet and the outlet, the pressure of the cavity is increased, the soft surface body outwards forms a convex surface, and the lens body forms a convex lens; the flowable transparent medium is pumped out from the inlet and the outlet to the cavity, the pressure of the cavity is reduced, the soft surface body is inwards formed into a concave surface, and the lens body forms a concave mirror. When the light-transmitting medium is injected or extracted into the cavity, the pressure of the cavity is increased or reduced to expand or contract, and the lens body forms a convex lens or a concave lens. The pressure of the cavity is increased or reduced by injecting or extracting the transparent medium into or from the cavity, so that the shape of the lens body is changed, the focal length and the degree of the lens are adjusted, and the lens is better suitable for different scenes and the convenience of using the lens in different scenes.

Description

Novel adjustable focal length lens structure and glasses

Technical Field

The invention relates to the technical field of lenses, in particular to a novel adjustable-focus lens structure and glasses.

Background

The prior lenses generally have various shapes, namely a myopia lens with a concave lens on the rear surface; second, the back surface body is the far vision lens of the convex mirror; third, the back surface body and external surface are both the double-sided concave lens of the concave mirror; fourthly, the back surface body and the front surface body are both double-sided convex lenses of the convex lens. Often these lenses cannot be integrated into one lens, and in reality such use scenarios may be required, such as myopia patients, presbyopic patients, the need to view tiny surfaces and tiny objects, etc. In order to solve such a problem in use of the scene, a myopic patient needs to be provided with a myopic lens and a presbyopic patient needs to be provided with a hyperopic lens. A magnifying glass is required to view the tiny surface and tiny objects. These several scenarios using different lenses require more lens manufacturing costs for the various lenses.

Disclosure of Invention

The invention mainly solves the technical problem of providing a lens structure with adjustable focal length and glasses, wherein the novel lens structure with adjustable focal length can adjust focal length of lenses, and improves convenience in use in different scenes.

In order to solve the above problems, the present invention provides a novel adjustable lens structure, which comprises a lens body with two transparent surface bodies, a cavity between the two transparent surface bodies, at least one surface body being a soft surface body, the cavity being provided with an inlet and an outlet for pressurizing or depressurizing the cavity, and a flowable transparent medium being injected into the cavity through the inlet and the outlet, the cavity pressure increasing soft surface body forming a convex surface outwards, so that the lens body forming a convex lens; the flowable transparent medium is pumped out from the inlet and the outlet to the cavity, the pressure of the cavity is reduced, the soft surface body is inwards formed into a concave surface, and the lens body forms a concave mirror.

Further, when the two surface bodies are soft surface bodies, the cavity is correspondingly pressurized or depressurized to expand or contract when the light-transmitting medium is injected or extracted from the inlet and the outlet, so that the lens body forms a double-sided convex lens or a double-sided concave lens.

Further, the soft surface body comprises a soft or elastic surface body.

Further, the light-transmitting medium comprises a flowable light-transmitting liquid, gas or solidified material.

Further, the thickness of the soft surface body section gradually increases from the middle to the edge.

Further, the soft surface body comprises TPU or TPR materials.

Further, the light-transmitting medium includes a transparent liquid and a colored liquid.

Further, the light-transmitting medium includes an aqueous liquid and an oily liquid.

Further, the soft surface body comprises transparent or colored elastic materials.

Further, the inlet and the outlet are arranged on the side surface or the surface body of the lens body.

Further, one of the two surface bodies comprises a hard surface body, the hard surface body comprises an inner surface and an outer surface, wherein the outer surface comprises a curved surface protruding outwards, and the inner surface comprises a curved surface with a consistent direction towards the outer surface.

Further, the light transmittance of the soft surface body and the light transmittance of the light-transmitting medium are the same or similar.

The invention also provides glasses, which comprise a glasses frame and a lens structure arranged on the glasses frame, wherein the lens structure comprises a lens body with two light-transmitting surface bodies, a cavity is arranged between the two light-transmitting surface bodies, at least one surface body is a soft surface body, the cavity is provided with an inlet and an outlet for pressurizing or depressurizing the cavity, a flowable light-transmitting medium is injected into the cavity through the inlet and the outlet, the pressure of the cavity increases the soft surface body to form a convex surface outwards, and the lens body forms a convex lens; the flowable transparent medium is pumped out from the inlet and the outlet to the cavity, the pressure of the cavity is reduced, the soft surface body is inwards formed into a concave surface, and the lens body forms a concave mirror.

Further, the soft surface body comprises a soft or elastic surface body.

Further, the soft surface body comprises TPU or TPR materials.

The invention provides a novel adjustable lens structure and glasses, wherein the novel adjustable lens structure comprises a lens body with two transparent surface bodies, a cavity between the two transparent surface bodies, at least one surface body is a soft surface body, the cavity is provided with an inlet and an outlet for pressurizing or depressurizing the cavity, a flowable transparent medium is injected into the cavity through the inlet and the outlet, the pressure of the cavity increases the soft surface body to form a convex surface outwards, and the lens body forms a convex lens; the flowable transparent medium is pumped out from the inlet and the outlet to the cavity, the pressure of the cavity is reduced, the soft surface body is inwards formed into a concave surface, and the lens body forms a concave mirror. When soft materials are used for both surface bodies, the cavity is correspondingly pressurized or depressurized to expand or contract when the light-transmitting medium is injected or extracted from the inlet and the outlet, so that the lens body forms a double-sided convex lens or a double-sided concave lens.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, and the drawings in the description are some embodiments of the present invention, and it is possible for a person skilled in the art to obtain other drawings according to these drawings without inventive effort.

FIG. 1 is a schematic cross-sectional view of an embodiment of a novel adjustable focal length lens structure.

FIG. 2 is a schematic cross-sectional view of a convex mirror formed by an embodiment of a novel adjustable focal length lens structure.

FIG. 3 is a schematic cross-sectional view of a concave mirror formed by an embodiment of a novel adjustable focal length lens structure.

FIG. 4 is a schematic cross-sectional view of a novel embodiment of a tunable focal length lens structure forming a biconvex lens.

FIG. 5 is a schematic cross-sectional view of a dual concave mirror formed by an embodiment of a novel adjustable focal length lens structure.

Fig. 6 is a top view of a novel adjustable focal length lens structure implementing a lens circular depression structure.

Fig. 7 is a top view of a square configuration of a lens in an embodiment of a novel adjustable focal length lens configuration.

Fig. 8 is a top view of a lens profile structure of an embodiment of a novel adjustable focal length lens structure.

Fig. 9 is a schematic view of a cross-sectional structure of a soft surface body of another embodiment of the novel adjustable focal length lens structure.

Fig. 10 is a schematic view of a cross-sectional structure of a soft surface body of yet another embodiment of the novel adjustable focal length lens structure.

Fig. 11 is a schematic diagram of a novel adjustable focal length lens embodiment with an inlet and an outlet as a pipeline structure.

The achievement, functional features and advantages of the object of the present invention will be further described below with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The claims hereof are to be read in further detail with reference to specific embodiments and to the accompanying drawings, in which the embodiments described are only some, but not all embodiments of the invention. Based on the embodiments of the present invention, one of ordinary skill in the art would be able to devise all other embodiments that are obtained without inventive effort and that are within the scope of the present invention.

It should be understood that, in the embodiments of the present invention, all directional terms, such as "upper", "lower", "left", "right", "front", "rear", etc., are used for convenience in describing the present invention only and are not intended to be limiting, since the directional terms, such as "upper", "lower", "left", "right", "front", "rear", etc., are based on the orientation, positional relationship shown in the drawings or the orientation or positional relationship in which the inventive product is conventionally put in use. Merely to explain the relative positional relationship, movement, etc. between the components shown in the drawings, the directional indication may be changed when the specific posture is changed. Except for the fact that the steps must be performed in order, unless the specification explicitly states that the steps must be performed in order, the steps are not performed in order, and the corresponding objects of the invention cannot be achieved, the specification is to be considered as merely illustrative of the preferred or preferred embodiments for simplicity of description.

Furthermore, ordinal words such as "first," "second," and the like in the description of the present invention are used for distinguishing purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of technical features indicated. The features defining "first", "second" may be explicit or implicit and at least one of the features. In the present invention, for the possible convenience of description, the terms "a", "an", "a plurality", "at least one" or "a plurality" of equivalent terms that define technical (structural) features are presented, wherein the meaning of "a plurality" is at least two, i.e. two or more; the meaning of "at least one", "a plurality" is one or one and the corresponding technical features; the terms and the like are used for describing the specific embodiment or the preferred embodiment only, and are included in the present invention unless they are explicitly limited thereto or are required to achieve the object without departing from the overall concept and object of the invention.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly, and may, for example, be defined as having a relatively fixed positional relationship between components, as having a physically fixed connection between components, as being detachably connected, or as a unitary structure; the connection can be mechanical connection or electric signal connection; can be directly connected or indirectly connected through intermediate media or components; the communication between two elements or the interaction relationship between two elements is not limited by the specification, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances except that the corresponding function or effect cannot be achieved when other understanding is made.

The invention, if related to a controller, a control circuit is a control technology or a unit conventional to a person skilled in the art, and the control circuit of the controller can be implemented by a person skilled in the art by adopting existing, such as simple programming. The software or program for realizing the control result in cooperation with the hardware is used as the conventional technology of the prior art or the person skilled in the art if the description does not show the control process of the related software or program in detail. The power supply also adopts the prior art in the field, and the main technical point of the invention is to improve the mechanical device, so the invention does not describe specific circuit control relation and circuit connection in detail.

The disclosure of the present invention provides many different embodiments or examples for implementing different structures of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described herein. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.

As shown in fig. 1, the slightly convex front surface body 2 disposed at the front end of the lens body 1, the rear surface body 3 disposed at the rear end of the lens body 1, the lens edge 5 and the formed cavity 4 connecting the front surface body 2 and the rear surface body 3 together, and the inlet and outlet 6 disposed at the lens edge 5, wherein the inlet and outlet 6 may be a through hole as a window for injecting or extracting a light transmission medium from the cavity 4. The front surface body 2 can be made of hard materials, and the rear surface body 3 is made of soft materials with uniform thickness or soft or elastic materials with the center thin and gradually thicker towards the edge according to requirements. The lens edge 5 and the front surface body 2 are fixed together, and then the rear surface body 3 is fixed on the lens edge 5 to form a cavity 4, when the light transmission medium is injected and extracted from the inlet and outlet 6, the curvature of the concave-convex formed curved surface of the cavity 4 is changed according to the mass or volume of the injected and extracted light transmission medium, the geometric shape of the lens body is determined, the focal length of the lens body 1 is changed, and therefore, the focal length and the degree of the lens are adjusted, and the lens with adjustable focal length is realized. The front surface body 2 and the rear surface body 3 comprise soft surface bodies, which comprise elastically deformable and soft shapes.

As shown in fig. 2, the front surface body 2 is configured as a hard material transparent lens, the rear surface body 3 is configured as a soft material transparent lens, a light-transmitting medium is configured as transparent liquid or gas, when the liquid or gas is injected from the inlet/outlet 6 through hole, the cavity 4 generates pressure due to the injected liquid or gas, because the front surface body 2 is configured as a hard material transparent lens and cannot change shape, the rear surface body 3 is configured as a soft material transparent lens, the pressure generated by the injected liquid or gas of the cavity 4 generates pressure to the rear surface body 3, because the rear surface body 3 adopts the soft material transparent lens which expands due to the pressure, and because the center tension of the rear surface body 3 is smaller and is closer to the edge tension, a convex lens with a convex surface similar to a spherical surface is formed, positive power lenses, namely presbyopic lenses and colloquial aging lenses are formed, the protruding size of the rear surface body 3 is changed according to the size component of the injected liquid or gas to change the focal length of the lens body 1, namely the positive power of the lenses is changed, when the regulated focal length reaches the requirement due to the continuously injected liquid or gas, the liquid or gas is stopped from being injected into the cavity 4 and the channels of the locking inlet and outlet 6 are prevented from leaking outwards, the pressure of the cavity 4 is not changed any more, the protruding size of the rear surface body 3 is also fixed, thus forming a positive power lens with fixed focal length, the liquid or gas is injected into the cavity 4 and the channels of the locking inlet and outlet 6 are stopped according to the required focal length and the required focal length, thus, lenses with different positive powers and adjustable focal length can be realized. Thereby meeting the requirements of patients with different aging eyes. When the front surface body 2, the rear surface body 3 and the injected liquid or gas are set to be colored, the adjustable-focus light-blocking far-vision lens can be realized, and the adjustable-focus light-blocking far-vision lens can be used as an eye protection lens for high-intensity light and special light source working environments, so that the eyesight of an aged eye patient can be improved, and eyes can be well protected from being injured by the high-intensity light.

As shown in fig. 3, this embodiment of the myopia lens with adjustable focal length is shown, the front surface body 2 is set to the transparent lens with hard material, the back surface body 3 is set to the transparent lens with soft material, use the light transmission medium to be transparent liquid or gas, when the liquid or gas is taken out from the import and export 6 through-holes, cavity 4 changes the focal length of lens body 1 because the liquid or gas that is injected is taken out, because the front surface body 2 is set to the transparent lens with hard material and can not change the shape, the back surface body 3 is set to the transparent lens with soft material, the negative pressure that the liquid or gas that cavity 4 was injected by is taken out causes cavity 4 to shrink, because the back surface body 3 adopts the negative pressure that is produced by this negative pressure, because the lower tension is close to the edge tension, thereby forming concave lens, that is also formed negative lens, also is formed into the myopia lens, change the focal length of lens body 1 according to the size component of liquid or gas that is taken out, that is changed lens negative focal length that is changed, when the liquid or gas that is taken out is continued to be taken out and the cavity 4 is stopped to be taken out, thereby the focal length that the cavity 4 is required to be taken out to be stopped, and the focal length is changed to be equal to the cavity 4 is not required to be reached, and the focal length is changed to be changed, and the channel is not required to be changed, and the focal length is required to be 4 is changed. Thereby meeting the requirements of different myopic patients. When the front surface body 2, the rear surface body 3 and the filled liquid or gas are set to be colored, the adjustable-focus light-blocking myopia lens, namely the sunglasses lens with negative power, can be used as an eye protection lens in high-intensity light and special light source operation environments, not only can the eyesight of a myopic patient be improved, but also the eyes can be well protected from being damaged by the high-intensity light.

As shown in fig. 4, the embodiment of the novel adjustable focusing lens is a biconvex lens, the front surface body 2 and the rear surface body 3 are both made of soft material transparent lenses, a light-transmitting medium is used as transparent liquid or gas, when the liquid or gas is injected from the inlet and outlet 6 through holes, the cavity 4 generates pressure due to the injected liquid or gas, because the front surface body 2 and the rear surface body 3 are both made of soft material transparent lenses, the pressure generated by the injected liquid or gas of the cavity 4 generates pressure from the center point of the cavity 4 to the front surface body 2 and the rear surface body 3, because the front surface body 2 and the rear surface body 3 are both expanded due to the soft material transparent lenses, the lower the center tension of the front surface body 2 and the rear surface body 3 is closer to the edge tension, thereby forming a convex surface like sphere, the biconvex lens is formed, that is, a magnifying glass lens is formed, the protruding sizes of the front surface body 2 and the rear surface body 3 are changed according to the size component of the injected liquid or gas to change the focal length of the lens body 1, that is, the magnification of the lens body 1 is changed, when the continuously injected liquid or gas causes the regulated degree to reach the requirement, the injection of the liquid or gas into the cavity 4 and the locking of the channel 6 of the inlet and outlet are stopped to prevent the leakage of the liquid or gas injected into the cavity 4, so that the pressure of the cavity 4 is not changed any more, the protruding sizes of the front surface body 2 and the rear surface body 3 are also fixed, thereby forming a magnifying glass lens with fixed magnification, the injection of the liquid or gas into the cavity 4 and the stopping of the injection of the liquid or gas and the locking of the channel 6 are performed according to the required focal length and degree, thereby realizing the magnifying glass lenses with different magnification of adjustable focal length. Thus, the requirements of magnifying lenses with different magnification can be met. When the front surface body 2, the rear surface body 3 and the injected liquid or gas are set to be colored, the adjustable-focus light-blocking magnifier lens can be realized, and can be used as a magnifier lens in high-intensity light and special light source working environments to well protect eyes from being damaged by the high-intensity light.

As shown in fig. 5, in the embodiment of the present invention, the front surface body 2 and the back surface body 3 are both made of soft material, and the transparent medium is transparent liquid or gas, when the liquid or gas is pumped out from the through hole of the inlet and outlet 6, the cavity 4 generates negative pressure because the front surface body 2 and the back surface body 3 are both made of soft material, the cavity 4 is contracted due to the negative pressure generated by pumping out the liquid or gas injected into the cavity 4, because the central tension of the front surface body 2 and the back surface body 3 is smaller and bigger than the edge tension, a concave surface is formed, and then the focal length of the lens body 1 is changed according to the magnitude component of the pumped liquid or gas, when the pumped liquid or gas causes the adjusted focal length to reach the requirement, the pumping out of the cavity 4 is stopped, and the locking of the inlet and outlet 6 channel prevents the liquid or gas pumped in by the cavity 4 from being pumped out, and the concave surface is formed as the central tension of the front surface body 2 and the back surface body 3 is smaller and bigger, and the focal length of the lens is further changed according to the magnitude component of the pumped liquid or gas, and the focal length of the front surface body 3 is further changed, and the focal length of the lens is further changed according to the magnitude of the pumped out of the pumped liquid or gas is stopped, and the focal length of the cavity 4 is stopped, and the concave surface is further changed, and the focal length is required to be fixed. To meet the requirements of biconcave lenses with various focal lengths. When the front surface body 2, the rear surface body 3 and the injected liquid or gas are set to be colored, the adjustable-focus light blocking lens can be realized, and can be used as an eye protection lens for high-intensity light and special light source working environments, so that the eyesight of a myopic eye patient can be improved, and the eyes can be well protected from being injured by the high-intensity light.

As shown in fig. 6-8, three lens shape embodiments of the present invention are provided, and the shape of the present invention may be made into a round shape, a square shape, or a special shape, or may be made into a triangle shape, a pentagon shape, a hexagon shape, or other desired shapes, the principle of which will not be described.

As shown in fig. 9, the cross-sectional structure of the soft material with the center thin-to-edge gradually thickened is shown in the rear surface body 3 of the novel adjustable focusing lens, and the cross-sectional structure of the soft material with the center thin-to-edge gradually thickened is shown in fig. 10 in which both the front surface body 2 and the rear surface body 3 are shown in fig. 10. The soft material can be arranged according to the requirement to achieve the best effect of adjusting the focal length, and the requirement of adjusting the focal length is better met, and the working principle is the same as the working principle and is not described.

As shown in FIG. 11, the inlet and outlet of the embodiment of the novel adjustable focusing lens are schematic diagrams of pipeline structures, in this embodiment, the pipeline with proper size is directly inserted into the through hole of the inlet and outlet 6, and the diameter and length of the pipeline are set according to the requirement, and the working principle is the same as that described above and will not be described.

The liquid injected and extracted from the cavity 4 in the embodiment of the novel adjustable focal length lens can be aqueous liquid and oily liquid which is not easy to evaporate according to the requirement, and the working principle is the same as that described above and is not described again.

The invention also provides an embodiment of the glasses. The glasses comprise a glasses frame and a lens structure arranged on the glasses, the lens structure adopts the adjustable-focus lens of the embodiment, the structure is the same with the effect and the focusing process and the achieved technical effect by referring to the embodiment, and the detailed description is omitted.

The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical schemes described in the foregoing embodiments may be modified or some technical features may be replaced with other technical schemes, and the modifications or the substitutions may also make the essence of the corresponding technical schemes deviate from the spirit and scope of the technical schemes of the embodiments of the present invention.

Claims

1. The novel adjustable focal length lens structure is characterized by comprising a lens body with two light-transmitting surface bodies, a cavity between the two surface bodies, wherein at least one surface body is a soft surface body, the cavity is provided with an inlet and an outlet for pressurizing or depressurizing the cavity, a flowable light-transmitting medium is injected into the cavity through the inlet and the outlet, the pressure of the cavity increases the soft surface body to form a convex surface outwards, and the lens body forms a convex lens; the flowable transparent medium is pumped out from the inlet and the outlet to the cavity, the pressure of the cavity is reduced, the soft surface body is inwards formed into a concave surface, and the lens body forms a concave mirror.

2. The novel adjustable focusing lens structure according to claim 1, wherein when the two surface bodies are soft surface bodies, the cavity is correspondingly pressurized or depressurized to expand or contract when the light-transmitting medium is injected or extracted from the inlet and the outlet, so that the lens body forms a double-sided convex lens or a double-sided concave lens.

3. The novel adjustable focus lens structure of claim 1 wherein the soft surface body comprises a flexible or elastomeric surface body.

4. The novel adjustable focus lens structure of claim 1 wherein the light transmissive medium comprises a flowable light transmissive liquid, gas or a curable material.

5. The novel adjustable focus lens structure of claim 3 wherein the soft surface body cross-sectional thickness gradually increases from the middle to the edges.

6. The novel adjustable focus lens structure of claim 1 wherein the light transmissive medium comprises a transparent liquid and a colored liquid.

7. The novel adjustable focus lens structure of claim 1 wherein the light transmissive medium comprises an aqueous liquid and an oily liquid.

8. The novel adjustable focus lens structure of claim 1 wherein the soft surface body comprises a transparent or colored elastomeric material.

9. The novel adjustable focus lens structure of claim 1 wherein one of the two surface bodies comprises a rigid surface body comprising an inner surface and an outer surface, wherein the outer surface comprises an outwardly convex curved surface and the inner surface comprises an outwardly facing conforming curved surface.

10. An eyeglass comprising a frame and a lens structure provided in the frame, wherein the lens structure has an adjustable focal length lens structure according to any one of claims 1 to 9.