CN210573064U

CN210573064U - Multi-focus progressive lens

Info

Publication number: CN210573064U
Application number: CN201921571939.8U
Authority: CN
Inventors: 许聪
Original assignee: Danyang Feida Glasses Co Ltd
Current assignee: Danyang Feida Glasses Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-05-19
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a multifocal progressive lens, including the lens body, look far zone, advance the area gradually, look near zone and stiffened layer, one side on lens body surface is provided with the far zone of looking, and the lens body keeps away from the surface of looking far zone one side and be provided with and look near zone, look far zone and look near zone inboard lens body surface and all be provided with and advance the area gradually, the border position department of lens body is provided with the lens border, and the inside border position department of lens border is provided with four clamping heavy grooves of group, and the contained angle between the heavy groove of adjacent clamping is ninety degrees, it has the stiffened layer through the elastic bonding layer bonding on the outer wall of lens body one side, the inside one side of stiffened layer is provided with the silicon oxide layer, and one side that the silicon oxide layer kept away from the stiffened in situ lateral wall is provided with the corruption crosslinked layer. The utility model discloses not only reduced the spoilage after the lens falls, convenience when having improved the lens clamping has prolonged the life cycle of lens moreover.

Description

Multi-focus progressive lens

Technical Field

The utility model relates to a lens technical field specifically is a multifocal progressive lens.

Background

The progressive addition lens is a lens applying the principle of progressive addition to glasses, and usually, between a far light area and a near light area of the same lens, the far light area and the near light area are organically connected together from a far power number to a near power number in a gradual diopter changing mode, so that different powers required for watching far distance, medium distance and near distance can be simultaneously possessed on one lens.

The types of the present progressive addition lenses on the market are various and can basically meet the use requirements of people, but certain problems still exist, and the specific problems include the following points:

1. the traditional progressive addition lens generally has poor hardness in use, so that the damage rate of the progressive addition lens after falling is seriously increased;

2. the traditional progressive addition lens is complicated to mount, so that the convenience of the progressive addition lens in use is greatly influenced;

3. the traditional progressive addition lens has poor protection effect in use, thereby bringing great trouble to people.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a progressive addition lens to solve the problems in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multifocal progressive lens, includes the lens body, looks far zone, progressive area, looks near zone and stiffened layer, one side on lens body surface is provided with looks far zone, and the lens body keeps away from the surface of looking far zone one side and is provided with looks near zone, look far zone and look near zone inboard lens body surface all be provided with gradually advancing the area, the marginal position department of lens body is provided with the lens border, and the inside marginal position department of lens border is provided with four sets of clamping heavy grooves, and the contained angle between the heavy groove of adjacent clamping is ninety degrees, there is the stiffened layer through the bonding of elastic bonding layer bonding on the outer wall of lens body one side.

Preferably, one side of the inside of the clamping sinking groove is provided with an arc-shaped clamping piece, and both ends of the bottom of the arc-shaped clamping piece are fixed with movable guide bars.

Preferably, the bottom of the clamping sinking groove is provided with a U-shaped guide frame piece, and the U-shaped guide frame piece is matched with the movable guide strip in a clamping manner.

Preferably, one side of the surface of the arc-shaped clamping piece is provided with a plastic fastening nail, and one end of the plastic fastening nail penetrates through the arc-shaped clamping piece and is fastened with the surface of the U-shaped guide frame piece.

Preferably, a silicon oxide layer is arranged on one side inside the hardening layer, and a corrosion cross-linking layer is arranged on one side, away from the inner side wall of the hardening layer, of the silicon oxide layer.

Preferably, the hardened layer on one side of the silicon oxide layer away from the corrosion cross-linked layer is internally provided with a zirconia layer, the zirconia layer is adhered to the corrosion cross-linked layer and the silicon oxide layer through Gulepeng G84, and the thickness of the adhesion layer is less than 0.05 mm.

Preferably, the material of the elastic bonding layer can be a self-adhesive silica gel material, and the thickness of the hardening layer can be 10-20 μm.

Compared with the prior art, the beneficial effects of the utility model are that: the multi-focus progressive lens not only reduces the damage rate of the lens after falling off, improves the convenience of clamping the lens, but also prolongs the service cycle of the lens;

1. the silicon oxide layer on one side of the hardened layer, the corrosion cross-linking layer on one side of the silicon oxide layer and the zirconium oxide layer on one side of the corrosion cross-linking layer are matched with each other, so that the hardness of the lens in use is increased, and the damage rate of the lens after falling is reduced;

2. the plastic buckling nail is moved by arranging the arc-shaped clamping piece, the moving guide strip, the plastic buckling nail and the U-shaped guide frame piece, so that the plastic buckling nail and the surface of the U-shaped guide frame piece are loosened, and then the arc-shaped clamping piece in the clamping sinking groove is pushed to move along the U-shaped guide frame piece under the action of the moving guide strips at the two ends of the bottom of the arc-shaped clamping piece, so that the installation time of the lens is shortened, and the convenience in clamping the lens is improved;

3. through being provided with the heavy groove of lens limit circle, clamping, elastic bonding layer and closing the hard coat, through the heavy groove cooperation lens body one side outer wall of the clamping of the lens limit circle of lens body border position department with the inside border position department of lens limit circle on add the hard coat that sets up through elastic bonding layer, increased the protective effect of lens to the life cycle of lens has been prolonged.

Drawings

Fig. 1 is a schematic view of the appearance structure of the utility model;

fig. 2 is a schematic view of a rear view cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

fig. 4 is a schematic side view of the cross-sectional structure of the present invention.

In the figure: 1. a lens body; 2. a distance vision zone; 3. a progressive band; 4. near vision zone; 5. a lens rim; 6. plastic fastening nails; 7. clamping the sinking groove; 8. a U-shaped lead frame sheet; 9. an arc-shaped clamping piece; 10. hardening the layer; 11. moving the guide bar; 12. a zirconium oxide layer; 13. etching the crosslinked layer; 14. a silicon oxide layer; 15. an elastic adhesive 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.

Referring to fig. 1-4, the present invention provides an embodiment: a multi-focus progressive lens comprises a lens body 1, a far vision zone 2, a progressive belt 3, a near vision zone 4 and a hardening layer 10, wherein the far vision zone 2 is arranged on one side of the surface of the lens body 1, the near vision zone 4 is arranged on the surface of one side of the lens body 1 far away from the far vision zone 2, and the progressive belt 3 is arranged on the surfaces of the lens body 1 at the inner sides of the far vision zone 2 and the near vision zone 4;

the lens body 1 is provided with a lens rim 5 at the edge position, four sets of clamping sunken grooves 7 are arranged at the edge position inside the lens rim 5, the included angle between every two adjacent clamping sunken grooves 7 is ninety degrees, an arc-shaped clamping piece 9 is arranged at one side inside each clamping sunken groove 7, and moving guide strips 11 are fixed at two ends of the bottom of each arc-shaped clamping piece 9, so that the installation work is facilitated, a U-shaped guide frame piece 8 is arranged at the bottom inside each clamping sunken groove 7, the U-shaped guide frame pieces 8 and the moving guide strips 11 are mutually clamped and matched for guiding work during moving, a plastic fastening nail 6 is arranged at one side of the surface of each arc-shaped clamping piece 9, and one end of each plastic fastening nail 6 penetrates through each arc-shaped clamping piece 9 and is mutually fastened with the surface of the U-shaped guide frame piece 8 for fastening work;

there is stiffened layer 10 through elastic bonding layer 15 bonding on the outer wall of lens body 1 one side, elastic bonding layer 15's material can be for the self-adhesive silica gel material, and stiffened layer 10's thickness can be 10 mu m-20 mu m, be used for increasing the adhesion, the inside one side of stiffened layer 10 is provided with silicon oxide layer 14, and one side that silicon oxide layer 14 keeps away from stiffened layer 10 inside wall is provided with corruption crosslinked layer 13, be used for increasing the hardness of lens, the inside zirconia layer 12 that is provided with of stiffened layer 10 that corruption crosslinked layer 13 keeps away from silicon oxide layer 14 one side, and between zirconia layer 12 and corruption crosslinked layer 13 and silicon oxide layer 14 through gulepond G84 viscidity, and the thickness of the viscidity layer is less than 0.05mm, be used for increasing the hardness of lens.

The working principle is as follows: when in use, firstly, the plastic fastening nail 6 is moved to be loosened with the surface of the U-shaped guide frame piece 8, then the arc-shaped clamping piece 9 in the clamping sinking groove 7 is pushed to move along the U-shaped guide frame piece 8 under the action of the guide strips 11 moved at the two ends of the bottom of the arc-shaped clamping piece 9 so as to shorten the installation time of the lens, thereby improving the convenience of the lens clamping, then the silicon oxide layer 14 at one side in the hardening layer 10 is matched with the corrosion cross-linking layer 13 at one side of the silicon oxide layer 14 and the zirconium oxide layer 12 at one side of the corrosion cross-linking layer 13 to work, so as to increase the hardness of the lens when in use, thereby reducing the damage rate of the lens after falling, finally, the lens rim 5 at the edge position of the lens body 1 and the clamping sinking groove 7 at the edge position in the lens rim 5 are matched with the hardening layer 10 arranged on the outer wall of one side of the lens body 1 through the elastic bonding layer, the protective effect of the lens is increased, so that the service cycle of the lens is prolonged, and the use work of the lens is finally completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A progressive addition lens comprising a lens body (1), a distance vision zone (2), a progressive zone (3), a near vision zone (4) and a hardening layer (10), characterized in that: one side on lens body (1) surface is provided with far-looking district (2), and lens body (1) keeps away from the surface of looking far-looking district (2) one side and is provided with and looks near district (4), look far-looking district (2) and look near district (4) inboard lens body (1) surface and all be provided with and gradually advance area (3), the border position department of lens body (1) is provided with lens border (5), and the inside border position department of lens border (5) is provided with four sets of clamping heavy grooves (7), and the contained angle between adjacent clamping heavy groove (7) is ninety degrees, it has stiffened layer (10) to adhere through elastic bonding layer (15) on the outer wall of lens body (1) one side.

2. A progressive addition lens according to claim 1, wherein: an arc-shaped clamping piece (9) is arranged on one side inside the clamping sinking groove (7), and moving guide strips (11) are fixed at two ends of the bottom of the arc-shaped clamping piece (9).

3. A progressive addition lens according to claim 2, wherein: the bottom of the interior of the clamping sinking groove (7) is provided with a U-shaped guide frame piece (8), and the U-shaped guide frame piece (8) is in clamping fit with the movable guide strip (11).

4. A progressive addition lens according to claim 3, wherein: one side on the surface of the arc-shaped clamping piece (9) is provided with a plastic buckling nail (6), and one end of the plastic buckling nail (6) penetrates through the arc-shaped clamping piece (9) and is mutually buckled with the surface of the U-shaped guide frame piece (8).

5. A progressive addition lens according to claim 1, wherein: one side of the interior of the hardening layer (10) is provided with a silicon oxide layer (14), and one side of the silicon oxide layer (14) far away from the inner side wall of the hardening layer (10) is provided with a corrosion cross-linking layer (13).

6. A progressive addition lens according to claim 5, wherein: corrode crosslinked layer (13) and keep away from hard coat (10) inside zirconia layer (12) that is provided with of silicon oxide layer (14) one side, and between zirconia layer (12) and corrosion crosslinked layer (13) and silicon oxide layer (14) through gulepeng G84 viscidity mutually, and glue the thickness of glutinous layer and be less than 0.05 mm.

7. A progressive addition lens according to claim 1, wherein: the elastic bonding layer (15) can be made of self-adhesive silica gel, and the thickness of the hardening layer (10) can be 10-20 μm.