Anti-dazzling screen with corrugated inner hole

Abstract

The utility model discloses an anti-dazzling screen with a corrugated inner hole, which comprises an anti-dazzling screen body, a light hole is arranged in the middle of the anti-dazzling screen body, a one-way chamfer is arranged on the inner side of the light hole, a plurality of corrugated grooves are arranged on the surface of the one-way chamfer, and a plurality of connecting clamping columns are fixedly arranged on the back of the anti-dazzling screen body. The anti-dazzling screen comprises an anti-dazzling screen body, the anti-dazzling screen body comprises a plurality of connecting clamping columns, connecting clamping bases are arranged on the surfaces of the connecting clamping columns in a clamped mode, the anti-dazzling screen body comprises a base plate, and reinforcing structures are fixedly arranged at the top end and the bottom end of the base plate. And a plurality of corrugated grooves which are connected end to end are formed in the one-way chamfer, so that the reflection line length and the reflection angle of the light-transmitting hole can be increased, the non-glossiness of the light-transmitting hole is improved, and the large-angle stray light of the lens is further improved.

Description

Technical Field

[0001] This utility model relates to the field of light-shielding sheets, specifically a light-shielding sheet with corrugated inner holes. Background Technology

[0002] Lens modules in electronic products typically include a lens and optical components housed within it. These optical components usually include lenses, filters, spacers, and light-blocking diaphragms. The light-blocking diaphragm is used to block unwanted stray light from the lens module. However, existing light-blocking diaphragms have limited reflective length and angle, making it difficult to effectively reduce large-angle stray light from the lens and hindering quick installation and removal of the diaphragm.

[0003] To address the aforementioned issues, a light-shielding sheet with corrugated inner holes is proposed. Utility Model Content

[0004] The purpose of this invention is to provide a light-shielding sheet with corrugated inner holes to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a light-shielding sheet with a corrugated inner hole, comprising a light-shielding sheet body, a light-transmitting hole in the middle of the light-transmitting sheet body, a one-way chamfer on the inner side of the light-transmitting hole, a plurality of corrugated grooves on the surface of the one-way chamfer, a plurality of connecting pins fixedly disposed on the back of the light-shielding sheet body, and connecting brackets engaged on the surfaces of the plurality of connecting pins, the light-shielding sheet body comprising a substrate, a reinforcing structure fixedly disposed at the top and bottom of the substrate, a reinforcing member fixedly disposed on the side of the two reinforcing structures away from the substrate, and a zirconium oxide antireflective film and a titanium dioxide antireflective film fixedly disposed on the side of the two reinforcing members away from the reinforcing structure, respectively.

[0006] This light-blocking plate has a one-way chamfer on the inside of the light-transmitting hole, which can change the light path of abnormal light and prevent it from entering the lens imaging stage normally. Several corrugated grooves connected end to end are formed on the one-way chamfer, which can increase the length of the reflected line and the reflection angle of the light-transmitting hole, improve the opacity of the light-transmitting hole, and thus improve the large-angle stray light of the lens.

[0007] Preferably, each of the several connecting brackets has a fixing member fixedly installed at the end away from the connecting bracket post, and each of the several fixing members has a number of fixing holes on its surface. The arrangement of several fixing members and several fixing holes facilitates fixing several connecting brackets inside the lens barrel.

[0008] Preferably, each of the inner walls of the plurality of connecting card holders is provided with a mounting groove on both sides, and each of the plurality of mounting grooves is fixedly provided with a limiting spring piece. Each of the plurality of connecting card posts is provided with a limiting groove on both sides, and each of the plurality of limiting spring pieces is engaged with the plurality of limiting grooves respectively. The engagement of the plurality of limiting spring pieces with the plurality of limiting grooves facilitates further limiting of the light shield.

[0009] Preferably, both of the reinforcement structures include a first reinforcing ring and a second reinforcing ring, and a plurality of reinforcing ribs are fixedly arranged between the first reinforcing ring and the second reinforcing ring. The combination of the two reinforcement structures and the two reinforcing members can improve the structural strength of the light-shielding sheet body and make it more durable.

[0010] Preferably, the first reinforcing ring, the second reinforcing ring, and the reinforcing rib are all made of stainless steel, which has a good reinforcing effect.

[0011] Preferably, a protective film is provided on the side of the zirconia antireflective film away from the reinforcing member and the side of the titanium dioxide antireflective film away from the reinforcing member. A tear strip is fixedly connected to one side of each of the two protective films, so that the protective film can be easily torn off by pulling the tear strip.

[0012] Preferably, several of the corrugated grooves are connected end to end in sequence. By setting several corrugated grooves, the length of the reflected line and the reflection angle of the light-transmitting hole can be increased, the opacity of the light-transmitting hole can be improved, and thus the stray light at large angles of the lens can be reduced.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This light-blocking plate has a one-way chamfer on the inside of the light-transmitting hole, which can change the light path of abnormal light and prevent it from entering the lens imaging stage normally. Several corrugated grooves connected end to end are formed on the one-way chamfer, which can increase the length of the reflected line and the reflection angle of the light-transmitting hole, improve the opacity of the light-transmitting hole, and thus improve the large-angle stray light of the lens.

[0015] 2. The design incorporates several fasteners and mounting holes to secure several connecting brackets inside the lens barrel. Several connecting pins engage with the limiting positions of the connecting brackets to initially limit the light-transmitting sheet. Several limiting springs engage with the limiting slots to further limit the light-shielding sheet, thus enabling rapid and stable installation of the light-shielding sheet. By applying significant force to pull the light-shielding sheet outward, the limiting springs separate from the limiting slots, facilitating quick disassembly and maintenance of the light-shielding sheet. Attached Figure Description

[0016] Figure 1 This is a perspective view of the present utility model;

[0017] Figure 2 This is a side sectional view of the present invention;

[0018] Figure 3 This is an enlarged view of part A of this utility model;

[0019] Figure 4 This is a partial cross-sectional view of the light-shielding sheet body of this utility model;

[0020] Figure 5 This is a structural diagram of the reinforcement structure of this utility model.

[0021] In the figure: 1. Light-shielding sheet body; 101. Substrate; 102. Reinforcing structure; 1021. First reinforcing ring; 1022. Second reinforcing ring; 1023. Reinforcing rib; 103. Reinforcing member; 104. Zirconia antireflective film; 105. Titanium dioxide antireflective film; 106. Protective film; 107. Tear strip; 2. Light-transmitting hole; 3. One-way chamfer; 4. Corrugated groove; 5. Connecting pin; 6. Connecting bracket; 7. Mounting groove; 8. Limiting spring; 9. Limiting groove; 10. Fixing member; 11. Fixing hole. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0023] Please see Figure 1-5 This utility model provides a light-shielding sheet with a corrugated inner hole, including a light-shielding sheet body 1. A light-transmitting hole 2 is opened in the middle of the light-transmitting hole 1. A one-way chamfer 3 is opened on the inner side of the light-transmitting hole 2. A plurality of corrugated grooves 4 are opened on the surface of the one-way chamfer 3. A plurality of connecting pins 5 are fixedly arranged on the back of the light-shielding sheet body 1. A connecting seat 6 is engaged on the surface of each of the connecting pins 5. The light-shielding sheet body 1 includes a base plate 101. A reinforcing structure 102 is fixedly arranged at the top and bottom of the base plate 101. The two reinforcing structures 102 are far from the base plate. A reinforcing member 103 is fixedly installed on one side of the plate 101. A zirconium oxide antireflective film 104 and a titanium dioxide antireflective film 105 are fixedly installed on the side of the two reinforcing members 103 away from the reinforcing structure 102, respectively. The light shield can change the light path of abnormal light by opening a one-way chamfer 3 on the inner side of the light-transmitting hole 2, so that it cannot enter the lens imaging stage normally. Several corrugated grooves 4 connected end to end are opened on the one-way chamfer 3, which can increase the length of the reflected line and the reflection angle of the light-transmitting hole 2, improve the opacity of the light-transmitting hole 2, and thus improve the large-angle stray light of the lens.

[0024] Each of the several connecting brackets 6 has a fixing member 10 fixedly installed at one end away from the connecting pin 5. Each of the several fixing members 10 has several fixing holes 11 on its surface. Each of the several connecting brackets 6 has a mounting groove 7 on both sides of its inner wall. Each of the several mounting grooves 7 has a limiting spring 8 fixedly installed inside its interior. Each of the several connecting pins 5 has a limiting groove 9 on both sides. Each of the several limiting springs 8 is engaged with the several limiting grooves 9. Each of the two reinforcing structures 102 includes a first reinforcing ring 1021 and a second reinforcing ring 1022. Each of the two reinforcing structures 102 includes a first reinforcing ring 1021 and a second reinforcing ring 1022. Each of the two reinforcing ribs 1023 is fixedly installed between the first reinforcing ring 1021 and the second reinforcing ring 1022.

[0025] In use, the setting of several fasteners 10 and several fixing holes 11 facilitates the fixing of several connecting brackets 6 inside the lens barrel. The setting of several limiting springs 8 respectively engaging with several limiting grooves 9 facilitates further limiting of the light shield. The combination of two reinforcing structures 102 and two reinforcing members 103 can improve the structural strength of the light shield body 1, making it more durable.

[0026] The first reinforcing ring 1021, the second reinforcing ring 1022, and the reinforcing rib 1023 are all made of stainless steel. The zirconium oxide antireflective film 104 and the titanium dioxide antireflective film 105 are both provided with protective films 106 on the side away from the reinforcing member 103. Tear strips 107 are fixedly connected to one side of each of the two protective films 106. Several corrugated grooves 4 are connected end to end in sequence.

[0027] When in use, the stainless steel material has a good reinforcing effect. By pulling the tear strip 107, the protective film 106 can be easily peeled off. The setting of several corrugated grooves 4 can increase the reflection line length and reflection angle of the light-transmitting hole 2, improve the non-glossy properties of the light-transmitting hole 2, and thus improve the large-angle stray light of the lens.

[0028] In use, the light-shielding plate has a one-way chamfer 3 on the inner side of the light-transmitting hole 2, which can change the path of abnormal light rays and prevent them from entering the lens imaging stage normally. Several corrugated grooves 4 connected end to end are formed on the one-way chamfer 3, which can increase the length and angle of the reflected line of the light-transmitting hole 2, improve the opacity of the light-transmitting hole 2, and thus improve the large-angle stray light of the lens. During use, the setting of several fixing parts 10 and several fixing holes 11 facilitates the fixing of several connecting brackets 6 inside the lens barrel. Several connecting pins 5 respectively engage with several connecting brackets 6 to facilitate the initial positioning of the light-transmitting plate. Several limiting springs 8 respectively engage with several limiting grooves 9 to facilitate the further positioning of the light-shielding plate, thereby realizing the quick and stable installation of the light-shielding plate. By using a large force to pull the light-shielding plate outward, several limiting springs 8 separate from several limiting grooves 9, thereby facilitating the quick disassembly and maintenance of the light-shielding plate.

[0029] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A diaphragm having a corrugated inner hole, comprising a diaphragm body (1), characterized in that: The middle part of the sunshade body (1) is provided with a light transmission hole (2), the inner side of the light transmission hole (2) is provided with a one-way chamfer (3), the surface of the one-way chamfer (3) is provided with a plurality of corrugated grooves (4), the back surface of the sunshade body (1) is fixedly provided with a plurality of connecting clamping columns (5), the surface of the plurality of connecting clamping columns (5) is clamped with a connecting clamping seat (6), the sunshade body (1) comprises a base plate (101), the top end of the base plate (101) and the bottom end of the base plate (101) are fixedly provided with reinforcing structures (102), the side of the two reinforcing structures (102) away from the base plate (101) is fixedly provided with reinforcing members (103), the side of the two reinforcing members (103) away from the reinforcing structures (102) is fixedly provided with a zirconium oxide anti-reflection film (104) and a titanium dioxide anti-reflection film (105) respectively.

2. A diaphragm having a corrugated inner bore according to claim 1, characterized in that: The end of the plurality of connecting clamping seats (6) away from the connecting clamping column (5) is fixedly provided with a fixing member (10), the surface of the plurality of fixing members (10) is provided with a plurality of fixing holes (11).

3. The shutter with a corrugated inner hole according to claim 1, characterized in that: The two sides of the inner wall of the plurality of connecting clamping seats (6) are provided with a placing groove (7), the inside of the plurality of placing grooves (7) is fixedly provided with a limiting elastic sheet (8), the two sides of the plurality of connecting clamping columns (5) are provided with a limiting groove (9), the plurality of limiting elastic sheets (8) are respectively connected with the plurality of limiting grooves (9) in a clamped manner.

4. The shutter with a corrugated inner hole according to claim 1, characterized in that: The two reinforcing structures (102) comprise a first reinforcing ring (1021) and a second reinforcing ring (1022), and a plurality of reinforcing ribs (1023) are fixedly arranged between the first reinforcing ring (1021) and the second reinforcing ring (1022).

5. A shutter with a corrugated inner hole according to claim 4, characterized in that: The first reinforcing ring (1021), the second reinforcing ring (1022) and the reinforcing rib (1023) are all made of stainless steel material.

6. The shutter with a corrugated inner hole according to claim 1, characterized in that: The side of the zirconium oxide anti-reflection film (104) away from the reinforcing member (103) and the side of the titanium dioxide anti-reflection film (105) away from the reinforcing member (103) are provided with a protective film (106), and one side of the two protective films (106) is fixedly connected with a tear strip (107).

7. The shutter with a corrugated inner hole according to claim 1, characterized in that: The plurality of corrugated grooves (4) are sequentially connected in a head-to-tail manner.

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