A one-way light-blocking lens

Abstract

This utility model discloses a one-way light-blocking lens, including a lens body. A connecting plate is fixedly connected to the lower end of the lens body. A bearing is fixedly connected to the left side of the inner wall of the outer shell of the connecting plate. A positive and negative lead screw is rotatably connected to the inner wall of the bearing. A movable block is threaded onto the threaded surface of the positive and negative lead screw. A support rod is fixedly connected to the upper end of the movable block. A connecting block is fixedly connected to the upper right side of the support rod. A clamping block is fixedly connected to the right end of the connecting block. A lens frame is fitted to the lower end of the inner wall of the lens body. A light-blocking lens is fixedly connected to the inner wall of the lens frame. A handle is fixedly connected to the upper end of the lens frame. By setting up the outer shell, bearing, positive and negative lead screw, movable block, manual turntable, support rod, connecting block, and clamping block, the lens frame can be fixed and loosened, facilitating lens replacement and increasing the practicality of the lens.

Description

Technical Field

[0001] This utility model relates to the field of lens technology, specifically a one-way light-blocking lens. Background Technology

[0002] A one-way light-blocking lens is a special optical device that allows light to pass through in one direction while blocking or reducing the penetration of light in another direction. These lenses are usually made of special materials and have specific optical properties. They have many applications in practical fields, such as privacy protection, window shading, laser components, and optical sensors.

[0003] The common method for manufacturing one-way lenses is to use multilayer film coating. By depositing multiple special optical thin films on the lens surface, selective transmission and reflection of light of specific wavelengths or bands can be achieved, thus realizing the one-way light transmission effect. For different application scenarios or according to different bands of light, the required optical thin films are somewhat different. However, the optical thin films on one-way lenses are difficult to remove or replace, which means that different one-way lenses need to be replaced when conducting observation experiments on different light, reducing the practicality of one-way lenses. Utility Model Content

[0004] The purpose of this invention is to provide a one-way light-blocking lens that can solve the problem of removal and replacement.

[0005] To achieve the above objectives, a one-way light-blocking lens is provided, comprising a lens body, a connecting plate fixedly connected to the lower end of the lens body, a bearing fixedly connected to the left side of the inner wall of the outer shell fixedly connected to the lower end of the connecting plate, a positive and negative lead screw rotatably connected to the inner wall of the bearing, a movable block threadedly connected to the threaded surface of the positive and negative lead screw, a support rod fixedly connected to the upper end of the movable block, a connecting block fixedly connected to the upper right side of the support rod, and a clamping block fixedly connected to the right end of the connecting block.

[0006] A lens frame is fitted to the lower end of the inner wall of the lens body, a light-blocking lens is fixedly connected to the inner wall of the lens frame, and a handle is fixedly connected to the upper end of the lens frame.

[0007] According to the one-way light-blocking lens, a protective sleeve is provided on the outer rear surface of the lens body.

[0008] According to the one-way light-blocking lens, a manual turntable is fixedly connected to the right end of the positive and negative lead screws.

[0009] According to the one-way light-blocking lens, the right side of the positive and negative lead screws is rotatably connected to the right side of the housing.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] 1. This one-way light-blocking lens, by setting up a housing, bearings, positive and negative lead screws, movable blocks, manual turntables, support rods, connecting blocks, and clamping blocks, fixes and loosens the lens frame, making it convenient to change lenses and increasing the practicality of the lens.

[0012] 2. This one-way light-blocking lens, by setting up a lens body, frame, light-blocking lens and handle, is convenient for different scenarios, can be adjusted and replaced, and improves utilization.

[0013] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is a perspective view of a one-way light-blocking lens according to the present invention;

[0016] Figure 2 This is a half-sectional view of the lens body of a one-way light-blocking lens according to this utility model;

[0017] Figure 3 This is a half-sectional view of the housing of a one-way light-blocking lens according to this utility model.

[0018] In the diagram: 1. Lens body; 2. Connecting plate; 3. Housing; 4. Bearing; 5. Positive and negative lead screws; 6. Movable block; 7. Manual turntable; 8. Support rod; 9. Connecting block; 10. Clamping block; 11. Lens frame; 12. Sunshade lens; 13. Handle; 14. Protective cover. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-3This utility model provides a technical solution: a one-way light-blocking lens, including a lens body 1, a connecting plate 2 fixedly connected to the lower end of the lens body 1, a housing 3 fixedly connected to the lower end of the connecting plate 2, a bearing 4 fixedly connected to the left side of the inner wall of the housing 3, a positive and negative lead screw 5 rotatably connected to the inner wall of the bearing 4, a movable block 6 threadedly connected to the threaded surface of the positive and negative lead screw 5, a support rod 8 fixedly connected to the upper end of the movable block 6, a connecting block 9 fixedly connected to the upper right side of the support rod 8, and a clamping block 10 fixedly connected to the right end of the connecting block 9, which fixes and loosens the lens frame 11, facilitates lens replacement, and increases the practicality of the lens;

[0021] A lens frame 11 is connected to the lower end of the inner wall of the lens body 1. A light-blocking lens 12 is fixedly connected to the inner wall of the lens frame 11. A handle 13 is fixedly connected to the upper end of the lens frame 11, which is convenient for different scenarios, can be adjusted and replaced, and improves utilization.

[0022] A protective sleeve 14 is fitted on the outer rear surface of the lens body 1 to protect the light-shielding lens 12 and prevent damage.

[0023] The right end of the positive and negative lead screw 5 is fixedly connected to a manual turntable 7 and an adjusting clamp 10 for fixation.

[0024] The right side of the positive and negative lead screw 5 and the right side of the housing 3 are rotatably connected.

[0025] Working principle: When in use, adjust the manual turntable 7 to rotate the positive and negative lead screw 5. The positive and negative lead screw 5 drives the two movable blocks 6 to move towards the center at the same time, which in turn drives the support rod 8, connecting block 9 and clamping block 10 to clamp and fix them to the center of the frame 11. When you want to change the lens 12, adjust the manual turntable 7 to rotate the positive and negative lead screw 5. The positive and negative lead screw 5 drives the two movable blocks 6 to move outward at the same time, which in turn drives the support rod 8, connecting block 9 and clamping block 10 away from the frame 11 to loosen them. Hold the handle 13 to take it out and replace the lens 12. It can be adjusted for different application scenarios to increase practicality.

[0026] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A unidirectional shade lens comprising a lens body (1), characterized in that, A connecting plate (2) is fixedly connected to the lower end of the lens body (1), and a housing (3) is fixedly connected to the lower end of the connecting plate (2). A bearing (4) is fixedly connected to the left side of the inner wall of the housing (3). A positive and negative lead screw (5) is rotatably connected to the inner wall of the bearing (4). A movable block (6) is threadedly connected to the threaded surface of the positive and negative lead screw (5). A support rod (8) is fixedly connected to the upper end of the movable block (6). A connecting block (9) is fixedly connected to the upper right side of the support rod (8). A clamping block (10) is fixedly connected to the right end of the connecting block (9). The lower end of the inner wall of the lens body (1) is fitted with a lens frame (11), the inner wall of the lens frame (11) is fixedly connected with a light-blocking lens (12), and the upper end of the lens frame (11) is fixedly connected with a handle (13).

2. A unidirectional shade lens as claimed in claim 1, characterized in that: A protective sleeve (14) is fitted onto the outer rear surface of the lens body (1).

3. The unidirectional light blocking lens of claim 1, wherein: The right end of the positive and negative lead screw (5) is fixedly connected to a manual turntable (7).

4. The unidirectional light blocking lens of claim 1, wherein: The right side of the positive and negative lead screw (5) and the right side of the outer casing (3) are rotatably connected.

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