CN218886203U

CN218886203U - High-refractive-index aspheric lens

Info

Publication number: CN218886203U
Application number: CN202223201235.6U
Authority: CN
Inventors: 刘建中; 郭耀钟
Original assignee: Jiangsu Xinshike Optoelectronics Technology Co ltd
Current assignee: Jiangsu Xinshike Optoelectronics Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-18
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to an aspheric lens technical field specifically is a high refracting index aspheric lens, including the framework, sliding parcel has the lens body in the framework, and both ends are provided with first screw and second screw respectively around the framework, and first screw is hugged closely with the lens body with the second screw. The utility model discloses a screw and framework butt joint of four corners position around to with the contact of lens body, can realize the real location of supporting of lens body, through the multilayer film combination of lens body, can let the lens body have and prevent blue light and high wear resistant effect.

Description

High-refractive-index aspheric lens

Technical Field

The utility model relates to an aspheric lens technical field specifically is a high refracting index aspheric lens.

Background

Aspherical mirrors refer to lenses whose surfaces are not spherical or cylindrical. In photography, a lens including an aspherical optical element.

The surface radian of the aspheric lens is different from that of a common spherical lens, the curved surface of the aspheric lens needs to be changed in order to pursue the lens thinness, and the spherical design is adopted in the past, so that the aberration and the deformation are increased, and consequently, the phenomena of poor image clarity, distortion of the visual field, narrow visual field and the like appear.

For example, according to an authority bulletin number CN217360475U a two-sided aspheric lens relates to lens technical field, has solved current technique and has had the lens to be asymmetric, the technical problem that can not two-sided use, including the lens piece, the preceding wall face of lens piece is scribbled preceding adhesive glue, the wall face is scribbled back adhesive glue behind the lens piece, preceding wall fixed mounting has preceding screening glass before the adhesive glue, wall fixed mounting has back screening glass behind back adhesive glue, the outer fixed mounting of lens piece has the lens frame, the utility model discloses a lens base member design of the aspheric lens optical resin of two-sided indent can two-sided use, has improved convenience and the commonality of using, and through the lens frame of suit, through threaded connection reinforcement, prevent that the lens from droing, prevent that the lens from squinting, screening glass and back screening glass through two-way rubber coating laminating increase the wearability and the shock resistance of aspheric lens, improve lens intensity.

At present, when some optical instrument carried out the lens and uses, avoid watching the condition that the object can appear local distortion in order to improve, generally can choose for use aspherical mirror piece, can so that see through the lens and see that the object is more natural, nevertheless when the lens is chooseed for use, in order to avoid the refracting index to hang down, the thickness that needs to guarantee the lens can not be too big, and in addition guarantee that the location of lens and instrument is enough stable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high refracting power aspheric surface lens to solve and guarantee lens high refracting power and install stable problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high refractive index aspheric lens, includes the framework, it has the lens body to slide the parcel in the framework, both ends are provided with first screw and second screw respectively around the framework, first screw and second screw are hugged closely with the lens body.

Preferably, the refractive index of the lens body is 1.6-1.75, so that good refractive index is ensured.

Preferably, first screw and second screw are four, and are the four corners fixed, can guarantee that the location of lens body and framework is stable.

Preferably, the frame body is provided with a threaded hole, the threaded hole is in threaded butt joint with the corresponding first screw and the second screw, and the first screw and the second screw are made of rubber materials.

Preferably, the lens body comprises a base layer, a blue light prevention layer, an outer layer and an inner layer, the base layer, the blue light prevention layer, the outer layer and the inner layer are adhered to each other by UV (ultraviolet) gluing, and the durability of the lens body can be improved through multi-layer composition.

Preferably, the base layer is made of a resin lens material and has good light transmittance and falling resistance.

Preferably, the blue light prevention layer is made of a blue light prevention film material, and can have a blue light prevention protection effect.

Preferably, the outer layer and the inner layer are both made of polyethylene materials, and have a good wear-resisting effect.

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

1. the utility model discloses a screw and framework butt joint of four corners position around to with the contact of lens body, can realize the real location of supporting of lens body.

2. The utility model discloses a multilayer film combination of lens body can let the lens body have and prevent blue light and high wear resistant effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a second screw arrangement according to the present invention;

fig. 3 is a schematic side view of the present invention;

fig. 4 is a schematic view of the lens body structure of the present invention.

In the figure: 1. a frame body; 11. a lens body; 12. a first screw; 13. a second screw; 2. a base layer; 21. a blue light prevention layer; 22. an outer layer; 23. an inner layer.

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.

Example I

Referring to fig. 1, 2 and 3, a high refractive index aspheric lens includes a frame 1, a lens body 11 is slidably wrapped in the frame 1, a first screw 12 and a second screw 13 are respectively disposed at the front end and the rear end of the frame 1, and the first screw 12 and the second screw 13 are tightly attached to the lens body 11.

Referring to fig. 1, 2 and 3, the refractive index of the lens body 11 is between 1.6 and 1.75, which ensures a good refractive index.

Referring to fig. 1, 2 and 3, the first screws 12 and the second screws 13 are four and fixed at four corners, so as to ensure stable positioning between the lens body 11 and the frame 1.

Referring to fig. 1, 2 and 3, the frame body 1 is provided with threaded holes, the threaded holes are in threaded connection with corresponding first screws 12 and second screws 13, respectively, and the first screws 12 and the second screws 13 are made of rubber materials.

In use, the present embodiment: when the lens body 11 needs to be installed, the first screw 12 is installed firstly, then the lens body 11 is slid and plugged into the frame body 1, the first screw 12 can position one side of the lens body 11, and then the second screw 13 is installed with the frame body 1, so that the position of the lens body 11 can be fixed.

Example II

Referring to fig. 1, fig. 2 and fig. 3, in this embodiment, a high refractive index aspheric lens is further described in relation to embodiment 1, which includes a frame 1, a lens body 11 is slidably wrapped in the frame 1, a first screw 12 and a second screw 13 are respectively disposed at front and rear ends of the frame 1, and the first screw 12 and the second screw 13 are tightly attached to the lens body 11.

Referring to fig. 1, 2 and 3, the frame body 1 is provided with threaded holes, the threaded holes are respectively in threaded connection with corresponding first screws 12 and second screws 13, and the first screws 12 and the second screws 13 are made of rubber materials.

Referring to fig. 4, the lens body 11 includes a base layer 2, a blue light prevention layer 21, an outer layer 22 and an inner layer 23, and the base layer 2, the blue light prevention layer 21, the outer layer 22 and the inner layer 23 are adhered to each other by UV bonding, so that the durability of the lens body 11 can be improved by multi-layer composition.

Referring to fig. 4, the base layer 2 is made of a resin lens material and has good light transmittance and falling resistance.

Referring to fig. 4, the blue light prevention layer 21 is made of a blue light prevention film material, and can have a blue light prevention effect.

Referring to fig. 4, the outer layer 22 and the inner layer 23 are made of polyethylene material, and have good wear-resisting effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-refractivity aspheric lens, comprising a frame body (1), characterized in that: the novel glasses are characterized in that a lens body (11) wraps the inside of the frame body (1), a first screw (12) and a second screw (13) are arranged at the front end and the rear end of the frame body (1) respectively, and the first screw (12) and the second screw (13) are tightly attached to the lens body (11).

2. The aspherical lens with high refractive index according to claim 1, wherein: the refractive index of the lens body (11) is between 1.6 and 1.75.

3. The aspherical lens with high refractive index according to claim 1, wherein: the first screws (12) and the second screws (13) are four in number and are fixed at four corners.

4. The aspherical lens with high refractive index according to claim 1, wherein: threaded holes are formed in the frame body (1), and the threaded holes are in threaded butt joint with the corresponding first screws (12) and the corresponding second screws (13) respectively.

5. The aspheric lens with high refractive index as defined in claim 1, wherein: the lens body (11) comprises a base layer (2), a blue light prevention layer (21), an outer layer (22) and an inner layer (23), wherein the base layer (2), the blue light prevention layer (21), the outer layer (22) and the inner layer (23) are adhered to each other through UV (ultraviolet) gluing.

6. The aspherical lens with high refractive index according to claim 5, wherein: the base layer (2) is made of resin lens material.

7. The aspherical lens with high refractive index according to claim 5, wherein: the blue light prevention layer (21) is made of a blue light prevention film material.

8. The aspherical lens with high refractive index according to claim 5, wherein: the outer layer (22) and the inner layer (23) are both made of polyethylene material.