CN212181134U

CN212181134U - Dustproof optical lens

Info

Publication number: CN212181134U
Application number: CN202021318114.8U
Authority: CN
Inventors: 陶春
Original assignee: Nanjing Simite Optical Instruments Co ltd
Current assignee: Nanjing Simite Optical Instruments Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2020-12-18
Anticipated expiration: 2030-07-07

Abstract

The application relates to a dustproof optical lens, which comprises a lens body, wherein a flexible dustproof edge is wrapped on the peripheral wall of the lens body, and dustproof protective layers are arranged on the surfaces of the two sides of the lens body; the flexible dustproof covering edge is used for protecting the peripheral wall of the lens body from dust, so that the pollution of dust to the peripheral wall of the lens body is reduced, and the dustproof protective layers are used for protecting the surfaces on the two sides of the lens body from dust, so that the pollution of dust to the surfaces on the two sides of the lens body is reduced; the application has the following effects: through the combined action of the flexible dustproof edge covering and the dustproof protective layer, the optical lens is subjected to omnibearing dustproof, and therefore the dustproof performance of the optical lens is improved.

Description

Dustproof optical lens

Technical Field

The application relates to the technical field of optical lenses, in particular to a dustproof optical lens.

Background

The optical glass is made of optical glass, most of which are disc-shaped, the surfaces of the optical glass are slightly convex, the optical glass is usually applied to glasses, cameras, telescopes and the like, and the optical glass is prepared by mixing oxides of high-purity silicon, boron, sodium, potassium, zinc, lead, magnesium, calcium, barium and the like according to a specific formula, melting the mixture in a platinum crucible at a high temperature, uniformly stirring the mixture by ultrasonic waves and removing bubbles; and slowly cooling for a long time to prevent the glass block from generating internal stress, measuring the cooled glass block by an optical instrument to check whether the purity, the transparency, the uniformity, the refractive index and the dispersion rate meet the specification, and heating and forging the qualified glass block to form an optical lens blank.

After the existing optical lens is used for a period of time, tiny pores are easy to appear on the surface of the optical lens, and dust in the air is easy to enter the pores, so that the lens is blurred over time.

SUMMERY OF THE UTILITY MODEL

In order to improve the dustproof performance of the optical lens, the application provides a dustproof optical lens.

The application provides a dust-protection type optical lens adopts following technical scheme:

the dustproof optical lens comprises a lens body, wherein a flexible dustproof edge covering is wrapped on the peripheral wall of the lens body, and dustproof protective layers are arranged on the surfaces of two sides of the lens body.

By adopting the technical scheme, the peripheral wall of the lens body is subjected to dustproof protection by utilizing the flexible dustproof covering edge, so that the pollution of dust to the peripheral wall of the lens body is reduced, and the surfaces on two sides of the lens body are subjected to dustproof protection by utilizing the dustproof protection layer, so that the pollution of dust to the surfaces on two sides of the lens body is reduced; through the combined action of the flexible dustproof edge covering and the dustproof protective layer, the optical lens is subjected to omnibearing dustproof, and therefore the dustproof performance of the optical lens is improved.

Preferably: the dustproof protective layer comprises a transparent wear-resistant layer and a dustproof thin layer which are sequentially arranged on the lens body.

By adopting the technical scheme, the transparent wear-resistant layer has good transparency and wear resistance, and can play a role in protecting the optical lens against scratch and abrasion, thereby being beneficial to reducing the entering of dust and further improving the dustproof performance of the optical lens; the dustproof thin film layer is arranged on the outermost layer of the optical lens, so that the dustproof thin film layer is beneficial to playing a long-term stable dustproof role on the two side surfaces of the optical lens; through the combined action of the transparent wear-resistant layer and the dustproof thin film layer, the dustproof performance of the optical lens is enhanced.

Preferably: and an aging resistant layer is arranged on the side wall of the transparent wear-resistant layer far away from one side of the dustproof thin layer.

By adopting the technical scheme, the anti-aging performance is an important index for measuring the quality of the optical lens, the service life of the optical lens is influenced by the strength of the anti-aging performance, and the anti-aging performance of the optical lens is enhanced by arranging the anti-aging layer, so that the service life of the optical lens is ensured.

Preferably: and the side wall of the aging-resistant layer, which is far away from one side of the transparent wear-resistant layer, is provided with a radiation-proof layer.

Through adopting above-mentioned technical scheme, because dazzling light or external ultraviolet radiation that electronic product launches such as computer are stronger, set up the layer of protecting against radiation, can play good radiation protection effect to user's eyes to help promoting this optical lens's radiation protection performance.

Preferably: and an optical antireflection film layer is arranged on the side wall of the radiation-proof layer, which is far away from the aging-resistant layer.

By adopting the technical scheme, the optical lens has high requirements on light transmission, and the optical anti-reflection film layer is utilized, so that the definition of the optical lens is enhanced, and the experience of a user in use is promoted.

Preferably: and a reinforcing protective layer is arranged on the side wall of one side of the optical antireflection film layer, which is far away from the radiation-proof layer.

Through adopting above-mentioned technical scheme, when this optical lens received great external force because of dropping or striking, through strengthening the protective layer, be favorable to strengthening this optical lens's hardness to promote this optical lens's the performance of preventing falling.

Preferably: the side wall of the flexible dustproof covering edge, which is close to one side of the lens body, is provided with a plurality of clamping grooves in a ring mode, and the peripheral wall of the lens body is provided with a protruding block which is matched with the clamping grooves in a clamping and embedding mode in a ring mode.

Through adopting above-mentioned technical scheme, through the inlay card cooperation of lug with the draw-in groove, make things convenient for the workman to install on optical lens's perisporium flexible dustproof borduring.

Preferably: the flexible dustproof edge covering extends to the surfaces of the two sides of the lens body, and a transparent waterproof glue layer is coated on the inner side wall of one end, attached to the surfaces of the two sides of the lens body, of the flexible dustproof edge covering.

Through adopting above-mentioned technical scheme, utilize transparent waterproof glue film, closely laminate flexible dustproof bordure with the lens body to help promoting this optical lens's waterproof leakproofness.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the dustproof performance of the optical lens is improved under the combined action of the flexible dustproof edge and the dustproof protective layer, so that the surface of the optical lens is protected against dust in an all-around manner;

2. the aging resistant layer is beneficial to prolonging the service life of the optical lens;

3. the radiation protection layer is arranged, so that radiation damage to the eyes of a user caused by ultraviolet rays, dazzling light and the like can be weakened;

4. the reinforcing protective layer is beneficial to enhancing the hardness of the optical lens, so that the anti-falling performance of the optical lens is improved.

Drawings

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

Fig. 2 is a schematic cross-sectional structure diagram for embodying the optical lens.

FIG. 3 is a schematic cross-sectional view showing the connection relationship between the aging-resistant layer, the radiation-protective layer, the optical antireflection film layer, and the reinforcing protective layer.

In the figure, 1, a lens body; 2. flexible dustproof edge covers; 3. a dust-proof protective layer; 31. a transparent wear layer; 32. a dust-proof film layer; 4. an aging-resistant layer; 5. a radiation protective layer; 6. an optical anti-reflection film layer; 7. reinforcing the protective layer; 8. a card slot; 9. a bump; 10. a transparent waterproof glue layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1 and fig. 2, for the utility model discloses a dustproof type optical lens piece, the poor problem of optical lens piece dustproof performance has been solved, this optical lens piece includes lens body 1, lens body 1 is discoid, all be equipped with dustproof protective layer 3 on the surface of the both sides of lens body 1, dustproof protective layer 3 includes transparent wearing layer 31 and dustproof thin layer 32, transparent wearing layer 31 sets up between lens body 1 and dustproof thin layer 32, the optional PMMA material of transparent wearing layer 31, transparent wearing layer 31 accessible PMMA raw materials thermoforming, again with transparent wearing layer 31 plating on lens body 1, the PMMA material has the luminousness height, the advantage that scratch resistance is strong, when guaranteeing this optical lens piece light transmissivity, play the guard action of preventing the fish tail to the surface of optical lens piece.

Referring to fig. 2, the dustproof thin film layer 32 may be a PE protective film, i.e., a polyethylene film, which has good antistatic property and is beneficial to reducing the adhesion of dust on the surface of the lens body 1, so as to improve the dustproof performance of the optical lens, and the PE protective film may be plated on the lens body 1; and the PE protective film can play a good waterproof protection role in the optical lens.

Referring to fig. 2, the perisporium of lens body 1 is gone up the package and is equipped with flexible dustproof 2 of borduring, the flexible dustproof material of borduring 2 is rubber, because rubber has good pliability, elasticity and leakproofness, can play good shock attenuation protection and waterproof protection's effect to optical lens, the flexible dustproof both sides that 2 extend to lens body 1 edge of borduring are on the surface, the flexible dustproof 2 of borduring and the inside wall of the one end of lens body 1 both sides surface laminating on the coating have transparent waterproof glue layer 10, transparent waterproof glue layer 10 can choose for use the liquid crystal lens bonding waterproof glue of 3M brand, this waterproof gluey adhesion is good, help borduring 2 closely bond on dustproof thin layer 32 with flexible dustproof, thereby be favorable to promoting this optical lens's waterproof sealing performance.

Referring to fig. 2, flexible dustproof 2 inside walls of borduring is gone up and is equipped with a plurality of draw-in grooves 8 along its circumference ring, and draw-in groove 8 in this application has six, and optical lens's perisporium is fitted with a contraceptive ring and is equipped with draw-in groove 8 inlay complex lug 9, lug 9 and lens body 1 integrated into one piece, through lug 9 and draw-in groove 8's cooperation, make things convenient for the workman to align lug 9 and draw-in groove 8 installation, be favorable to guaranteeing the tightness that flexible dustproof 2 of borduring and lens body 1 are connected.

Referring to fig. 2, the flexible dustproof covering edge 2, the transparent wear-resistant layer 31 and the dustproof thin film layer 32 jointly act to achieve the all-around dustproof protection effect on the optical lens, so that the dustproof performance of the optical lens is improved.

Referring to fig. 3, in order to ensure the service life of the optical lens, the side wall of the transparent wear-resistant layer 31 on the side far from the dustproof thin film layer 32 is plated with the aging-resistant layer 4, and since the fireproof aging-resistant PC material has good aging resistance, is halogen-free, energy-saving and environment-friendly, the fireproof aging-resistant PC material can be selected as the aging-resistant layer 4, and the aging-resistant layer 4 is plated on the side wall of the transparent wear-resistant layer 31 on the side far from the dustproof thin film layer 32.

Referring to fig. 3, because the electronics will launch dazzling light and ultraviolet ray, in order to protect user's eyes, plating radiation protection layer 5 on the lateral wall of transparent wearing layer 31 one side is kept away from on ageing-resistant layer 4, and anti-UV PC material can be chooseed for use on radiation protection layer 5, and anti-UV PC material has high transparent, antiradiation's characteristic to be favorable to weakening the ultraviolet ray, dazzling the injury of light to user's eyes.

Referring to fig. 3, since the optical lens has a certain requirement on light transmittance, an optical anti-reflection film layer 6 is plated on the side wall of the radiation-proof layer 5 on the side away from the aging-resistant layer 4, the optical anti-reflection film layer 6 can be an optical K9 anti-reflection film of eagle torch brand, and the reflection of light can be effectively reduced through the optical anti-reflection film layer 6, so that the loss of light is reduced, and the definition of the optical lens is further improved.

Referring to fig. 3, a reinforcing protective layer 7 is arranged on the side wall of the optical anti-reflection film layer 6 on the side away from the radiation-proof layer 5, the reinforcing protective layer 7 can be plated on the optical anti-reflection film layer 6 by a PC board, and the PC board is also called a polycarbonate board and has the characteristics of high transparency, light weight, impact resistance and the like, when the optical lens is subjected to a large external force due to falling or impact, the reinforcing protective layer 7 is beneficial to enhancing the hardness of the optical lens, so that the anti-falling performance of the optical lens is improved; and one side of the PC board is plated with an ultraviolet-resistant coating, and the other side of the PC board is provided with condensation-resistant treatment, so that ultraviolet rays can be blocked from passing through the PC board, and the radiation resistance of the optical lens can be improved.

The implementation principle of the embodiment is as follows: the flexible dustproof edge 2, the dustproof thin film layer 32 and the transparent wear-resistant layer 31 are used together, so that the surface of the lens body 1 can be protected from dust in an all-around manner; through ageing-resistant layer 4, be favorable to guaranteeing this optical lens's life, through protecting against radiation layer 5, strengthen this optical lens's anti-radiation performance, utilize optics anti-reflection coating 6, help strengthening this optical lens's light transmissivity and definition, set up and strengthen protective layer 7, be favorable to strengthening this optical lens's anti-falling performance.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A dustproof optical lens is characterized in that: the dustproof spectacle lens comprises a lens body (1), wherein a flexible dustproof edge covering (2) is wrapped on the peripheral wall of the lens body (1), and dustproof protective layers (3) are arranged on the surfaces of two sides of the lens body (1).

2. The dust-proof optical lens according to claim 1, wherein: dustproof protective layer (3) are including setting gradually transparent wearing layer (31) and dustproof thin layer (32) on lens body (1).

3. The dust-proof optical lens according to claim 2, wherein: and an aging resistant layer (4) is arranged on the side wall of the transparent wear-resistant layer (31) far away from the dustproof thin film layer (32).

4. The dust-proof optical lens according to claim 3, wherein: and an anti-radiation layer (5) is arranged on the side wall of the ageing-resistant layer (4) far away from one side of the transparent wear-resistant layer (31).

5. The dust-proof optical lens according to claim 4, wherein: and an optical anti-reflection film layer (6) is arranged on the side wall of one side of the radiation-proof layer (5) far away from the aging-resistant layer (4).

6. The dust-proof optical lens according to claim 5, wherein: and a reinforcing protective layer (7) is arranged on the side wall of one side of the optical antireflection film layer (6) far away from the radiation-proof layer (5).

7. The dust-proof optical lens according to claim 1, wherein: the side wall of the flexible dustproof edge covering (2) close to one side of the lens body (1) is provided with a plurality of clamping grooves (8), and the peripheral wall of the lens body (1) is provided with a plurality of bumps (9) which are matched with the clamping grooves (8) in a clamping and embedding manner.

8. The dust-proof optical lens according to claim 7, wherein: the utility model discloses a lens, including lens body (1), flexible dustproof bordure (2) extend to the both sides surface of lens body (1), the coating has transparent waterproof glue film (10) on the inside wall of the one end of flexible dustproof bordure (2) and lens body (1) both sides surface laminating.