CN216561352U

CN216561352U - Camera lens or film lens protective glasses

Info

Publication number: CN216561352U
Application number: CN202122950069.9U
Authority: CN
Inventors: 袁国奎
Original assignee: ZHUHAI CHUANFU OPTICAL TECHNOLOGY CO LTD
Current assignee: ZHUHAI CHUANFU OPTICAL TECHNOLOGY CO LTD
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-17
Anticipated expiration: 2031-11-29

Abstract

The utility model relates to a camera lens or movie lens protective glass, which comprises a connecting joint ring and protective glass, wherein the connecting joint ring is used for being installed on a camera lens, and the protective glass is installed in the connecting joint ring; the protective glass is composed of first glass, second glass and a film, the shapes and the sizes of the first glass, the second glass and the film are the same, the film is arranged between the first glass and the second glass and coaxial with the first glass and the second glass, adhesive layers are arranged on the surfaces of the two sides of the film, and the adhesive layers are respectively fixedly connected with the first glass and the second glass in an adhesive mode through the adhesive layers. Transmit to first glass and second glass's effort through film and the effective buffering collision in viscose layer, go out the stress release that first glass and second glass received, protection glass's explosion-proof ability is high, and broken glass powder sediment also can be lived by the viscose layer is glued in addition, can not drop, avoids causing inside the lens is scraped damage such as flower and the glass powder sediment falls into the camera lens, and protective properties is high.

Description

Camera lens or film lens protective glasses

Technical Field

The utility model belongs to the technical field of photography and movie equipment, and particularly relates to lens protective glasses for a camera lens and a movie lens.

Background

Lens protective glasses are commonly used photographic devices and movie equipment and are used for protecting camera lenses or movie lenses. Currently, lens protection glasses currently available on the market include a connection flange for mounting on camera lenses and movie lenses and a protection glass mounted in the connection flange. However, the applicant found that: the protective glass in the existing lens protective rings is only one piece of conventional glass, the strength is low, the explosion-proof performance is poor, the lens is easy to break, the glass easily causes damages such as scratching of the lens in the breaking process, and meanwhile, broken glass powder slag easily falls into the inside of the lens, so that the lens cannot be normally adjusted and used. Therefore, the conventional lens protective glasses have low protective performance and poor lens protective effect, and cannot meet the use requirements of users such as photography enthusiasts at all.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide the lens protective glasses which have strong explosion-proof performance and high protective performance for camera lenses or movie lenses.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a camera or movie lens protective glasses, which comprises a connecting joint ring and protective glass, wherein the connecting joint ring is used for being arranged on a camera lens or a movie lens, and the protective glass is arranged in the connecting joint ring; the protective glass comprises first glass, second glass and film, the shape size of first glass, second glass and film is the same, moreover the film sets up between first glass and second glass to with first glass and second glass coaxial, the both sides surface of film has the viscose layer, and passes through the viscose layer respectively with first glass and second glass bonding fixed connection.

Further, the thin film is a PVC film, a PET film, a TAC film or an OCA film, and the thickness of the thin film is 0.15-0.25 mm, preferably 0.2 mm.

Further, the thickness of cover glass is 1.1mm, wherein the thickness of first glass and second glass is 0.4mm, the thickness of film is 0.2mm, the thickness of viscose layer is 0.05 mm.

Further, the thickness of cover glass is 1.5mm, wherein the thickness of first glass and second glass is 0.6mm, the thickness of film is 0.2mm, the thickness of viscose layer is 0.05 mm.

Further, the thickness of cover glass is 2.0mm, wherein the thickness of first glass and second glass is 0.85mm, the thickness of film is 0.2mm, the thickness of viscose layer is 0.05 mm.

Furthermore, the first glass, the second glass and the film are all circular or polygonal, the connecting joint ring is provided with an inner ring matched with the first glass, the second glass and the film in shape and size, and protective glass formed by the first glass, the second glass and the film is installed and fixed in the inner ring.

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

1. the protective glass of the camera lens or the film lens protective mirror is composed of the first glass, the second glass and the film, the acting force transmitted to the first glass and the second glass when the camera lens or the film lens protective mirror collides is effectively buffered through the film and the adhesive layer, and the stress borne by the first glass and the stress borne by the second glass are released, so that the first glass and the second glass are prevented from being broken, the explosion-proof performance of the protective glass is effectively improved, and the protective performance of the camera lens or the film lens protective mirror is improved;

2. the protective glass of the camera lens or the film lens protective lens is characterized in that the first glass and the second glass are firmly bonded together through the adhesive layer, so that when the first glass and the second glass are broken due to extreme conditions such as severe collision of the camera lens or the film lens protective lens, the broken glass powder slag of the first glass and the broken glass powder slag of the second glass are also bonded by the adhesive layer and cannot fall off or fall off, damage to lens lenses such as scratching and falling of the glass powder slag into the lens are avoided, and protection of the camera lens is further improved.

Drawings

FIG. 1 is a schematic diagram of a camera lens or a protective lens for a movie lens according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a cover glass in an embodiment of a camera lens or a protective glass for a motion picture lens according to the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic exploded view of a cover glass in an embodiment of a camera lens or a protective glass for a motion picture lens according to the present invention;

FIG. 5 is an enlarged view of portion B of FIG. 4; .

Description of reference numerals: 1. connecting joint ring, 2, protective glass, 21, first glass, 22, second glass, 23 film, 24 and adhesive layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1-5, the lens or protective glasses for movie lens according to the embodiment of the present invention includes a connection ring 1 and a protective glass 2; wherein, connect adapter ring 1 and be used for installing on camera lens or movie lens, specifically do: the connecting joint ring 1 is installed and connected at the front end of a camera lens or a movie lens.

The protective glass 2 is composed of a first glass 21, a second glass 22 and a film 23, the first glass 21, the second glass 22 and the film 23 are the same in shape and size, the film 23 is arranged between the first glass 21 and the second glass 22 and coaxial with the first glass 21 and the second glass 22, adhesive layers 24 are arranged on the surfaces of the two sides of the film 23, and the film is respectively fixedly connected with the first glass 21 and the second glass 22 in an adhesive mode through the adhesive layers; wherein the thin film 23 is a PVC film or a PET film or a TAC film or an OCA film, and has a thickness of 0.15-0.25 mm, preferably 0.2 mm.

The protective glass of the camera lens or the movie lens protective mirror is composed of the first glass 21, the second glass 22 and the film 23, acting force transmitted to the first glass 21 and the second glass 22 when the camera lens or the movie lens protective mirror collides is effectively buffered through the film 23 and the adhesive layer 24, stress borne by the first glass 21 and the second glass 22 is released, the first glass 21 and the second glass 22 are prevented from being broken, the explosion-proof performance of the protective glass is effectively improved, and the protective performance of the camera lens or the movie lens protective mirror is improved; and can bond first glass 21 and second glass 22 together firmly through viscose layer 24, make camera lens or film lens protective glass when taking place extreme condition such as violent collision and cause first glass 21 and second glass 22 to be broken, the glass powder sediment of broken first glass 21 and second glass 22 also can be glued by viscose layer 24, can not drop, avoid causing the lens to be scraped damage such as flower and the glass powder sediment to fall into the camera lens inside, further promote the protection to the camera lens.

The protective glass 2 of the camera lens or the movie lens protective glasses mainly has the following three specifications.

The first method comprises the following steps: the thickness of protective glass 2 is 1.1mm, wherein the thickness of first glass 21 and second glass 22 is 0.4mm, the thickness of film 23 is 0.2mm, the thickness of viscose layer 24 is 0.05 mm.

And the second method comprises the following steps: the thickness of protective glass 2 is 1.5mm, wherein the thickness of first glass 21 and second glass 22 is 0.6mm, the thickness of film 23 is 0.2mm, the thickness of viscose layer 24 is 0.05 mm.

And the third is that: the thickness of protective glass 2 is 2.0mm, wherein the thickness of first glass 21 and second glass 22 is 0.85mm, the thickness of film 23 is 0.2mm, the thickness of viscose layer 24 is 0.05 mm.

Protection glass 2 installs in connecting adapter ring 1, specifically is: the first glass 21, the second glass 22 and the film 23 are all round (or may be polygonal or other shapes such as quadrangle, pentagon and hexagon), the connecting joint ring 1 has an inner ring matched with the shapes and sizes of the first glass 21, the second glass 22 and the film 23, and the protective glass 2 composed of the first glass 21, the second glass 22 and the film 23 is installed and fixed in the inner ring.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A camera lens or movie lens protective glasses comprises a connecting joint ring (1) used for being installed on a camera lens or a movie lens and protective glass (2) installed in the connecting joint ring (1); the glass protection device is characterized in that the protection glass (2) is composed of first glass (21), second glass (22) and a film (23), the first glass (21), the second glass (22) and the film (23) are identical in shape and size, the film (23) is arranged between the first glass (21) and the second glass (22) and coaxial with the first glass (21) and the second glass (22), and adhesive layers (24) are arranged on the surfaces of the two sides of the film (23) and are respectively fixedly connected with the first glass (21) and the second glass (22) in an adhesive mode.

2. The lens for camera or the protective lens for movie lens according to claim 1, characterized in that the film (23) is a PVC film or a PET film or a TAC film or an OCA film, and its thickness is 0.15 to 0.25 mm.

3. Lens for cameras or cinematographic lenses protective glasses according to claim 2, characterized in that the thickness of the film (23) is 0.2 mm.

4. Lens protector according to claim 2, characterized by the fact that the protective glass (2) has a thickness of 1.1mm, wherein the first (21) and second (22) glass each have a thickness of 0.4mm, the film (23) has a thickness of 0.2mm and the adhesive layer (24) has a thickness of 0.05 mm.

5. Lens protector according to claim 2, characterized by the fact that the protective glass (2) has a thickness of 1.5mm, wherein the first (21) and second (22) glass each have a thickness of 0.6mm, the film (23) has a thickness of 0.2mm and the adhesive layer (24) has a thickness of 0.05 mm.

6. Lens protector according to claim 2, characterized by the fact that the protective glass (2) has a thickness of 2.0mm, wherein the first (21) and second (22) glass each have a thickness of 0.85mm, the film (23) has a thickness of 0.2mm and the adhesive layer (24) has a thickness of 0.05 mm.

7. The lens protector according to any one of claims 1 to 6, wherein the first glass (21), the second glass (22) and the film (23) are circular or polygonal, the connection joint ring (1) has an inner ring matched with the shapes and sizes of the first glass (21), the second glass (22) and the film (23), and the protective glass (2) formed by the first glass (21), the second glass (22) and the film (23) is fixedly arranged in the inner ring.