阅读说明：本技术 一种便于安装的组合式太阳眼镜镜片结构 (Combined sunglasses lens structure convenient to mount ) 是由 李贞杰 于 2020-12-29 设计创作，主要内容包括：本发明提出了一种便于安装的组合式太阳眼镜镜片结构,包括用于安装在镜框内并具有弹性的连接套以及嵌入连接套的镜片本体；所述连接套上还设有可拆卸并位于镜片本体前侧的变色镜片；所述连接套上开设有用于安装所述镜片本体的第一安装槽,以及用于安装变色镜片的第二安装槽；所述第一安装槽的两个侧壁上开设有沿着连接套周向排列的若干个定位孔；每个所述定位孔内均设有防滑柱,该防滑柱底部与定位孔底部通过粘接剂固定；所述第二安装槽的槽宽小于所述变色镜片的厚度；所述变色镜片包括树脂基片以及依次设置在树脂基片上的减反射膜、变色膜以及耐磨层；改善了现有太阳眼镜镜片在变色或非变色场景下快速对变色镜片进行切换的现状。(The invention provides a combined sunglasses lens structure convenient to mount, which comprises a connecting sleeve and a lens body, wherein the connecting sleeve is used for being mounted in a glasses frame and has elasticity; the connecting sleeve is also provided with a color-changing lens which is detachable and is positioned at the front side of the lens body; the connecting sleeve is provided with a first mounting groove for mounting the lens body and a second mounting groove for mounting the color-changing lens; a plurality of positioning holes arranged along the circumferential direction of the connecting sleeve are formed in two side walls of the first mounting groove; each positioning hole is internally provided with an anti-slip column, and the bottom of each anti-slip column is fixed with the bottom of each positioning hole through an adhesive; the groove width of the second mounting groove is smaller than the thickness of the color-changing lens; the color-changing lens comprises a resin substrate, and an antireflection film, a color-changing film and a wear-resisting layer which are sequentially arranged on the resin substrate; the current situation that the color-changing lens is rapidly switched under the color-changing or non-color-changing scene of the existing sunglass lens is improved.)

1. The utility model provides a combination formula sunglasses lens structure convenient to installation which characterized in that: comprises a connecting sleeve which is used for being arranged in a spectacle frame and has elasticity and a lens body which is embedded into the connecting sleeve;

the connecting sleeve is also provided with a color-changing lens which is detachable and is positioned at the front side of the lens body;

the connecting sleeve is provided with a first mounting groove for mounting the lens body and a second mounting groove for mounting the color-changing lens;

a plurality of positioning holes arranged along the circumferential direction of the connecting sleeve are formed in two side walls of the first mounting groove;

each positioning hole is internally provided with an anti-slip column, and the bottom of each anti-slip column is fixed with the bottom of each positioning hole through an adhesive;

the groove width of the second mounting groove is smaller than the thickness of the color-changing lens;

the color-changing lens comprises a resin substrate, and an antireflection film, a color-changing film and a wear-resisting layer which are sequentially arranged on the resin substrate;

the color-changing film is formed by compounding an inner film layer and an outer film layer, wherein the inner film layer is a magnesium trioxide film or a tungsten trioxide film, and the outer film layer is a titanium dioxide film;

the wear-resistant layer is a silicon dioxide film;

the antireflection film is composed of at least two layers of silicon dioxide films, zirconium oxide films, aluminum oxide films and indium tin oxide films which are sequentially compounded.

2. A modular sunglass lens structure as claimed in claim 1, in which: the spacing distance between the lens body and the color-changing lens fixed on the connecting sleeve is less than 1 mm.

3. A modular sunglass lens structure as claimed in claim 1 or 2, in which: the lens body is provided with a plurality of elastic sheets, connecting pins of the elastic sheets are fixed on the lens body in a hot melting mode, and the elastic sheets are of arch-shaped bending structures.

4. A modular sunglass lens structure as claimed in claim 3, in which: the lens body comprises a lens substrate;

the convex surface of the lens base material is sequentially provided with a polarizing layer, an ultraviolet-resistant film layer, a first transmission film layer and an outer reinforcing layer;

the concave surface of the lens substrate is sequentially provided with a second transmission film layer, a blue light resistant film layer and an inner reinforcing layer.

5. A modular sunglass lens structure as claimed in claim 4, in which: the anti-blue-light film layer is a composite film and mainly comprises organic polymers, metal oxide nanoparticles and polymer additives according to a ratio of 99:0.6: 0.4;

wherein, the organic polymer copolymer is one, any two or more than two of polystyrene, polycarbonate, polyurethane or polyvinylpyrrolidone;

the metal oxide nano particles are one or two of zinc oxide and silicon dioxide nano particles;

the polymer auxiliary agent is one of dioctyl sebacate and dibutyl sebacate.

6. A modular sunglass lens structure as claimed in claim 5, in which: the ultraviolet-resistant film layer is formed by mixing titanium pentoxide and silicon dioxide and molding, and the thickness of the film layer is 0.1-0.2 mu m.

7. A modular sunglass lens structure as claimed in claim 5, in which: the first transmission film layer and the second transmission film layer respectively comprise a chromium sesquioxide layer, a tantalum pentoxide layer and a titanium pentoxide layer which are sequentially laminated and molded; the thickness of the first transmission film layer is 0.06-0.09 mu m, and the thickness of the second transmission film layer is 0.05-0.07 mu m.

8. A modular sunglass lens structure as claimed in claim 5, in which: an anti-infrared light film layer is further arranged between the polarizing layer and the anti-ultraviolet light film layer, the anti-infrared light film layer comprises a titanium pentoxide film, a silicon dioxide film and a titanium dioxide film which are sequentially laminated and molded, and the thickness of the anti-infrared light film layer is 0.1-0.2 mu m.

9. A modular sunglass lens structure as claimed in claim 5, in which: the outer reinforcing layer and the inner reinforcing layer are carbon nanofiber membranes or graphene membranes.

10. A modular sunglass lens structure as claimed in claim 5, in which: the lens base material is a colorless transparent resin material.

Technical Field

The invention relates to the field of sunglass lenses, in particular to a combined sunglass lens structure convenient to mount.

Background

Sunglasses have and adjust luminous flux in order to adapt to the pupil, let people can play the guard action when light intensity surpasss people's eye accommodation capacity, say in principle through the lens to the light of various wavelength in the light reflect to avoid light that blue light, ultraviolet ray etc. have the injury to eyes to see through, and can guarantee the normal eyesight of people's eyes.

The white light in the nature is mainly formed by mixing blue light, green light and yellow light, wherein the green light and the yellow light have small energy and small stimulation on eyes, and the blue light has high waveband and high energy and can directly reach the retina of the eye fundus, so the blue light easily causes eye fatigue; in addition, infrared light in nature is invisible light, and although eyes cannot see the infrared light, glandular fluid in the eyes has an absorption effect on the infrared light, so that pathological changes such as cataract and the like are easily caused; ultraviolet light present in nature also causes damage to the eye, such as symptoms of conjunctivitis.

Therefore, in an environment with strong outdoor light, people can reduce the amount of transmitted harmful light by wearing sunglasses to shield and reflect various harmful light, so that the eyes are prevented from being damaged.

Sunglasses in use have the lens function of discolouing in order to adapt to application scene demand, and current lens of discolouing directly carries out the compound attached of color-changing membrane on the lens body, it closes into a piece to have caused color-changing membrane and protective lens, to the crowd of wearing that eyesight is more weak, the color-changing lens can cause to get into light duller, and current lens structure can not adapt to the demand, only can change the glasses lens in the scene that does not need the lens of discolouing, thereby cause the circumstances that the consumption cost increases.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a combined sunglasses lens structure convenient to mount, and solves the problem that the sunglasses lens is required to be replaced in a scene without a color-changing lens due to the fact that a color-changing film is directly compounded and attached to the outside of the sunglasses lens to adapt to the color-changing condition.

In order to achieve the purpose, the invention adopts the following technical scheme:

a combined sunglasses lens structure convenient to mount comprises a connecting sleeve which is used for being mounted in a spectacle frame and has elasticity and a lens body which is embedded into the connecting sleeve;

the connecting sleeve is also provided with a color-changing lens which is detachable and is positioned at the front side of the lens body;

the connecting sleeve is provided with a first mounting groove for mounting the lens body and a second mounting groove for mounting the color-changing lens;

a plurality of positioning holes arranged along the circumferential direction of the connecting sleeve are formed in two side walls of the first mounting groove;

each positioning hole is internally provided with an anti-slip column, and the bottom of each anti-slip column is fixed with the bottom of each positioning hole through an adhesive;

the groove width of the second mounting groove is smaller than the thickness of the color-changing lens;

the color-changing lens comprises a resin substrate, and an antireflection film, a color-changing film and a wear-resisting layer which are sequentially arranged on the resin substrate;

the color-changing film is formed by compounding an inner film layer and an outer film layer, wherein the inner film layer is a magnesium trioxide film or a tungsten trioxide film, and the outer film layer is a titanium dioxide film;

the wear-resistant layer is a silicon dioxide film;

the antireflection film is composed of at least two layers of silicon dioxide films, zirconium oxide films, aluminum oxide films and indium tin oxide films which are sequentially compounded.

Preferably, the spacing distance between the lens body and the color-changing lens fixed on the connecting sleeve is less than 1 mm.

Preferably, the lens body is provided with a plurality of elastic sheets, connecting pins of the elastic sheets are fixed on the lens body in a hot melting mode, and the elastic sheets are of an arch-shaped bending structure.

Preferably, the lens body comprises a lens substrate;

the convex surface of the lens base material is sequentially provided with a polarizing layer, an ultraviolet-resistant film layer, a first transmission film layer and an outer reinforcing layer;

the concave surface of the lens substrate is sequentially provided with a second transmission film layer, a blue light resistant film layer and an inner reinforcing layer.

Preferably, the blue light resistant film layer is a composite film, which is mainly composed of organic polymers, metal oxide nanoparticles and polymer additives according to a ratio of 99:0.6: 0.4;

wherein, the organic polymer copolymer is one, any two or more than two of polystyrene, polycarbonate, polyurethane or polyvinylpyrrolidone;

the metal oxide nano particles are one or two of zinc oxide and silicon dioxide nano particles;

the polymer auxiliary agent is one of dioctyl sebacate and dibutyl sebacate.

Preferably, the ultraviolet light resistant film layer is formed by mixing titanium pentoxide and silicon dioxide and molding the mixture into a film, and the thickness of the film layer is 0.1-0.2 μm.

Preferably, the first transmission film layer and the second transmission film layer both comprise a chromium sesquioxide layer, a tantalum pentoxide layer and a titanium pentoxide layer which are sequentially laminated and molded; the thickness of the first transmission film layer is 0.06-0.09 mu m, and the thickness of the second transmission film layer is 0.05-0.07 mu m.

Preferably, an anti-infrared light film layer is further arranged between the polarizing layer and the anti-ultraviolet light film layer, the anti-infrared light film layer comprises a titanium pentoxide film, a silicon dioxide film and a titanium dioxide film which are sequentially laminated and molded, and the thickness of the anti-infrared light film layer is 0.1-0.2 μm.

Preferably, the outer reinforcement layer and the inner reinforcement layer are carbon nanofiber membranes or graphene membranes.

Preferably, the lens base material is a colorless transparent resin material.

Compared with the prior art, the invention has the following beneficial effects:

1. the lens body and the color-changing lens are separated, combined and installed into an integral structure through the connecting sleeve, on one hand, harmful light is protected through the lens body, and the color-changing lens can be installed or detached according to the color-changing scene requirements, so that the color-changing or non-color-changing function can be selected in one lens structure, and the condition of replacing the lens is avoided;

2. the connecting sleeve has an elastic effect, so that the anti-slip column can generate certain displacement after the lens body is sleeved in the first mounting groove, and the lens body can play a role of pressing and anti-slip after the connecting sleeve is mounted on the lens frame through the anti-slip column;

3. the color-changing lens can be detached from the second mounting groove, has good structural strength and has small influence on light refraction, the color-changing film is attached to the resin substrate in a compounding mode, and the color-changing film is formed by compounding the inner film layer and the outer film layer, so that the color-changing effect is improved, and the strength of the color-changing lens is increased through the resin substrate and the wear-resistant layer;

5. the outer side of the lens body is provided with a buffer sleeve for limiting and fixing the lens body, and an elastic fastener is used for elastically limiting the space between the lens body and the buffer sleeve so as to ensure the fixing stability of the lens body; the magnetic suction module embedded in the buffer sleeve can be matched with a metal connection point on the glasses frame, so that the buffer sleeve can be adsorbed on the glasses frame to realize an adsorption installation mode; in addition, the lens body can be directly embedded into the spectacle frame through the buffer sleeve to play a role in protecting the lens body, and a certain buffer protection effect can be achieved when the lens body falls off in use;

6. the polarized light layer, the ultraviolet light resistant film layer, the first transmission film layer and the carbon nanofiber layer are arranged on the convex surface of the lens body, and after the composite film layers are fixed on the convex surface, the hardness of the external surface of the lens body is improved through the carbon nanofiber layer; after the transmittance of light is enhanced by the first transmission film layer, ultraviolet light and the like are shielded and reflected by the ultraviolet light resistant film layer and the polarizing layer;

7. the light rays passing through the lens body pass through the second transmission film layer again for transmittance enhancement so as to ensure the brightness of the entering light rays, and the blue light is shielded and reflected by the blue light resisting film layer;

8. the raw material through antagonizing the blue light rete optimizes the ratio to improve the luminousness of anti blue light rete, promote to being greater than 85%, and also show the improvement to the shielding performance of blue light, let the transmissivity of blue light be less than 5%, thereby form effectual anti blue light effect.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional structural view of the lens structure of the present invention in an installed state;

FIG. 3 is a schematic view of the structure of the lens body of the present invention for mounting the elastic sheet;

FIG. 4 is a schematic structural diagram of a color-changing lens according to the present invention;

FIG. 5 is a schematic structural view of a lens body according to the present invention;

in the figure, the position of the upper end of the main shaft,

the connecting sleeve comprises a connecting sleeve 1, a first mounting groove 11, a second mounting groove 12, a positioning hole 13, an anti-slip column 14, a lens body 2, a lens base material 21, a polarizing layer 22, an ultraviolet-resistant film layer 23, a first transmission film layer 24, an outer reinforcing layer 25, a second transmission film layer 26, a blue-resistant film layer 27, an inner reinforcing layer 28, an infrared-resistant film layer 29, a color-changing lens 3, a resin substrate 31, an antireflection film 32, a color-changing film 33, an inner film layer 331, an outer film layer 332, a wear-resistant layer 34, an elastic sheet 4 and a mirror frame 5.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a combined sunglasses lens structure convenient for installation, which includes a connecting sleeve 1 having elasticity and being installed in a frame 5, and a lens body 2 embedded in the connecting sleeve 1, wherein the connecting sleeve 1 is further provided with a color-changing lens 3 detachably located at a front side of the lens body 2, and meanwhile, the connecting sleeve 1 is provided with a first installation groove 11 for installing the lens body 2, and a second installation groove 12 for installing the color-changing lens 3; after the lens body 2 and the color-changing lens 3 are separated and installed, the lens body 2 mainly shields and reflects outside harmful light so as to reduce the throughput of the harmful light passing through the lens body 2, the color-changing lens 3 can be installed or disassembled according to a use scene, and the connecting sleeve 1 is only required to be taken down from the lens frame 5 during installation or disassembly, so that the installation stability of the lens body 2 cannot be influenced; in order to ensure the installation of the lens body 2, the lens body 2 and the color-changing lens 3 are independently installed by arranging a first installation groove 11 and a second installation groove 12 on the connection sleeve 1 respectively; and, set up a plurality of locating holes 13 along adapter sleeve 1 axial arrangement on two lateral walls of first mounting groove 11, be equipped with anti-skidding post 14 in every locating hole 13, and pass through the adhesive with locating hole 13 bottom at this anti-skidding post 14 and fixed, thereby make anti-skidding post 14 can have the displacement of certain degree on adapter sleeve 1, and receive the pressure after installing on picture frame 5, let anti-skidding post 14 all compress tightly all around to lens body 2, make lens body 2 can be more stable install in adapter sleeve 1. Mainly lie in that lens 3 that discolours need can dismantle at any time, consequently change behind the compact structure to lens body 2, let second mounting groove 12 laminate after even dismantling lens 3 that discolours to can have reliable clamping-force to lens body 2.

In order to ensure the stability of the color changing lens 3 after being installed on the connecting sleeve 1, the groove width of the second installation groove 12 is smaller than the thickness of the color changing lens 3; the color-changing lens 3 needs good pressure resistance strength and does not affect the light inlet quantity of the lens body 2; as shown in fig. 4, the color-changing lens 3 includes a resin substrate 31, and an antireflection film 32, a color-changing film 33, and an abrasion-resistant layer 34 disposed on the resin substrate 31, wherein the color-changing film 33 is formed by compounding an inner film layer 331 and an outer film layer 332, the inner film layer 331 is a magnesium trioxide film or a tungsten trioxide film, the outer film layer 332 is a titanium dioxide film, and the magnesium trioxide film, the tungsten trioxide film, and the titanium dioxide film are compounded to achieve a color-changing depth satisfying the requirement of shielding eyes, so that the eyes cannot be completely seen from the outside, but the outside objects can be seen from the inside to the outside, and only the color brightness is reduced to a certain extent. The abrasion-resistant layer 34 is a silicon dioxide film, the condition of overlarge light refractive index can be avoided under the condition of keeping strength, in order to reduce the distribution condition of light entering the lens body 2 after passing through the color-changing lens 3, the light reflection amount is reduced through the antireflection film 32, the antireflection film 32 is composed of at least two layers of silicon dioxide films, zirconium oxide films, aluminum oxide films and indium tin oxide films which are sequentially compounded, and the silicon dioxide films, the zirconium oxide films, the aluminum oxide films and the indium tin oxide films have the effect of improving light passing through and can increase the transmissivity, so that the light reflection phenomenon in a larger range can be reduced to a certain degree.

In order to ensure that the lens body 2 is more stable after being installed in the connecting sleeve 1 and the reverse elastic acting force of the connecting sleeve 1 is enabled to tightly press the lens body 2, as shown in fig. 3, a plurality of elastic sheets 4 are arranged on the lens body 2, connecting pins of the elastic sheets 4 are fixed on the lens body 2 in a hot melting mode, and the elastic sheets 4 are of an arched bending structure; after lens body 2 puts into adapter sleeve 1, can support the back to adapter sleeve 1 through elastic sheet 4 for adapter sleeve 1 forms reverse effort and further compresses tightly lens body 2, thereby can realize lens body 2 and avoid the possibility from the roll-off in adapter sleeve 1.

After lens body 2, the lens 3 that discolours are installed on adapter sleeve 1, in order to avoid forming great refraction condition between lens 3 and the lens body 2 that discolours, let the spacing distance of fixing lens body 2 behind the adapter sleeve 1, between the lens 3 that discolours be less than 1mm, through reducing the spacing distance in order to reduce the refracting index.

Harmful light such as ultraviolet light, blue light, infrared light and the like outside is mainly reflected, refracted or blocked by the lens body 2 in the sunglasses, so that the condition that the harmful light enters eyes to cause damage is avoided; as shown in fig. 5, the lens body 2 can reflect, refract and block harmful light, in this embodiment, the lens body 2 includes a lens base material 21; a polarizing layer 22, an ultraviolet light resistant film layer 23, a first transmission film layer 24 and a carbon nanofiber film layer are sequentially arranged on the convex surface of the lens base material 21; a second transmission film layer 26, a blue light resistant film layer 27 and a graphene film layer are sequentially arranged on the concave surface of the lens base material 21; when light enters, the transmissivity of the entering light is enhanced through the first transmission film layer 24, then the ultraviolet light is reflected and shielded through the ultraviolet light resistant film layer 23, then the ultraviolet light is processed, and the light can be refracted at a certain angle under the action of the polarizing layer 22 and then passes through the lens base material 21, wherein the polarizing layer 22 is made of a polarizing material in the existing lens; and light after the prefiltering passes through lens substrate 21, is earlier carried out anti-reflection and adjustment light coverage to polarized light through second transmission rete 26, then filters, reflects the blue light through anti blue light layer to set up the graphene film layer in inside and improve lens body 2 intensity, and have certain antifog effect, have the inhibitory effect to the phenomenon of easily producing the fog at lens body 2 inlayer when wearing gauze mask especially.

In order to improve the existing blue light resistant effect, the blue light resistant film layer 27 is mainly improved, and the blue light resistant film layer 27 is a composite film which mainly comprises organic polymers, metal oxide nanoparticles and polymer additives according to the proportion of 99:0.6: 0.4; wherein the organic polymer is one or any two or more than two copolymers of polystyrene, polycarbonate, polyurethane or polyvinylpyrrolidone; the metal oxide nano particles are one or two of zinc oxide and silicon dioxide nano particles; the polymer auxiliary agent is one of dioctyl sebacate and dibutyl sebacate; the selection of the anti-blue-light film raw material can be fully optimized according to actual working conditions, mixing conditions and the like, the light transmittance can be higher than 85% after curing, the shielding property of ultraviolet light has obvious performance, the transmittance of the ultraviolet light is lower than 5%, and the anti-blue-light film raw material is found to have antistatic property and anti-electromagnetic radiation property in the test process, so that the anti-blue-light film raw material has a better effect on eye protection.

The ultraviolet-resistant film layer 332 is a film formed by mixing titanium pentoxide and silicon dioxide and molding the mixture, the thickness of the film layer is 0.1-0.2 mu m, the film is processed into a thickness of 0.1-0.2 mu m by a film making device after the titanium pentoxide and the silicon dioxide are mixed, ultraviolet light can be fully reflected, and light flux can be ensured.

Because the color-changing lens 3 is arranged at the front end of the lens body 2 and shields light entering the lens body 2 to a certain extent, in order to increase the brightness of outside objects seen by eyes, the transmissivity of natural light needs to be improved, the transmissivity of entering light can be enhanced in the lens body 2 through the first transmission film and the second transmission film so as to improve the brightness, and the first transmission film layer 24 and the second transmission film layer 26 respectively comprise a chromium trioxide layer, a tantalum pentoxide layer and a titanium pentoxide layer which are sequentially laminated and molded; the thickness of the first transmission film layer 24 is 0.06-0.09 mu m, and the thickness of the second transmission film layer 26 is 0.05-0.07 mu m; play the process of twice light reinforcing when light gets into lens body 2 for the first time and passes lens substrate 21, promote the brightness on the one hand, and the scattering angle of light is adjusted on the other hand, can see clearly external thing after guaranteeing to wear.

In order to enhance the strength and wear resistance of the lens body 2, the outer reinforcement layer 25 is arranged on the convex surface of the lens base material 21, the inner reinforcement layer 28 is arranged on the concave surface of the lens base material 21, so that the strength and scratch-resistant effect of the surface of the lens base material 21 are improved, the outer reinforcement layer 25 and the inner reinforcement layer 28 are carbon nanofiber films or graphene films, and the films have certain wear resistance and strength and prevent fogging.

In order to protect infrared light to a certain extent, an infrared light resisting film layer 29 is further arranged between the polarizing layer 22 and the ultraviolet light resisting film layer 23, the infrared light resisting film layer 29 comprises a titanium pentoxide film, a silicon dioxide film and a titanium dioxide film which are sequentially laminated and molded, the thickness of the infrared light resisting film layer 332 is 0.1-0.2 mu m, transmittance enhancement can be achieved to a certain extent for the entering light through the sequentially laminated film layers, and after the infrared light is protected by various protective films, eyes can receive bright light.

In the embodiment, in order to ensure that the lens body 2 has good pressure resistance, the lens base material 21 is made of a colorless transparent resin material, which can improve the luminous flux and has good deformation resistance, and the thickness of the lens base material 21 can be selected according to practical conditions, and is generally 2-3 mm, so as to ensure the pressure resistance.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.