External hanging type computer screen eye protection device
By using an external computer screen eye protection device, combined with a privacy screen protector and a blue light filter, the problem of office computer screens lacking blue light protection and privacy protection is solved, achieving the effects of eye protection and privacy protection without damaging the screen.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-13
AI Technical Summary
Existing office computer screens lack effective blue light protection and privacy protection features, and commonly used methods pose the risk of screen damage or are inconvenient to use.
Design an external computer screen eye protection device, comprising a main frame, a rigid transparent plate, a privacy film and a blue light filter film, combined with a limiting mechanism to achieve convenient installation and removal, protecting the eyes and reducing the risk of information leakage.
It achieves eye protection while reducing the risk of information leakage, does not damage the screen, adapts to computer screens of different thicknesses, and is easy to use.
Smart Images

Figure CN223993062U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of office supplies technology, and in particular to an external computer screen eye protection device. Background Technology
[0002] In new media work, it is often necessary to spend long periods of time in front of a computer for video editing and post-production work. After staring at the computer screen for a long time, the blue light emitted by the computer screen can irritate the eyes, causing visual fatigue, blurred vision, or even decreased vision.
[0003] Some high-quality computer screens in the existing technology have built-in blue light filtering effects, but they are relatively expensive. Most office computers are not equipped with such expensive screens due to cost considerations. Current solutions generally involve wearing glasses with filtering effects or applying a filter film to the computer screen. However, applying a filter film may be difficult to remove and may damage office equipment. Wearing special glasses is generally used by nearsighted people. People who are not nearsighted may not be used to wearing glasses for a long time while working. At the same time, some office information is confidential or private, but it is not easy to change the office location. Therefore, there is also a need for anti-peeping performance. Therefore, the inventor has proposed an eye protection device that can be attached to the computer screen to address the above problems. Utility Model Content
[0004] The purpose of this utility model is to solve at least one of the technical problems existing in the prior art, and to provide an external computer screen eye protection device, thereby solving the above-mentioned problem.
[0005] To achieve the above objectives, an external computer screen eye protection device is provided, comprising a main frame, a rigid transparent plate fixedly connected to the inner side of the main frame, a privacy film fixedly connected to one side of the rigid transparent plate, a blue light filter film fixedly connected to the side of the rigid transparent plate away from the privacy film, a central hook fixedly connected to the upper center of the main frame, side hanging ears fixedly connected to both sides of the upper part of the main frame, and connecting rods fixedly connected to both sides of the lower part of the main frame, with a limit mechanism provided at the end of each of the two connecting rods away from the main frame;
[0006] The limiting mechanism includes a side limiting seat, a spring groove, a spring limiting cap, a side limiting spring, and a sliding groove. The side limiting seat has a spring groove at one end near the connecting rod, and the connecting rod passes through the spring groove and is slidably connected to the spring groove. The spring limiting cap is slidably connected to the inside of the spring groove on the side away from the main frame. A side limiting spring is provided inside the spring groove at the inner side of the spring limiting cap.
[0007] Each side limiting seat has a sliding groove inside the end away from the spring groove. A slider is slidably connected inside the sliding groove. A fixing clip is fixedly connected to the side of the slider near the main frame. A tension spring is provided inside the sliding groove.
[0008] According to the aforementioned external computer screen eye protection device, the size and specifications of the main frame correspond to the specifications of existing computer screens on the market.
[0009] According to the aforementioned external computer screen eye protection device, the ends of the two connecting rods furthest from the main frame are fixedly connected to corresponding spring limit caps.
[0010] According to the aforementioned external computer screen eye protection device, the outer side of each of the two connecting rods passing through the spring groove is slidably engaged with the corresponding side limiting spring.
[0011] According to the aforementioned external computer screen eye protection device, the two ends of the tension spring are respectively fixedly connected to the inner ends of the slider and the slide groove.
[0012] According to the aforementioned external computer screen eye protection device, each of the side limiting seats has a slot corresponding to the width of the fixing clip on the side near the main frame.
[0013] The above solution has at least one of the following beneficial effects:
[0014] 1. This utility model is equipped with a main frame that can be hung on the screen. With the privacy film and blue light filter film set on both sides of the rigid transparent plate, it can achieve the effect of eye protection while using the privacy film to cover the information on the computer screen, which can reduce the risk of information leakage and enhance the practicality of the device.
[0015] 2. The main frame of this utility model is equipped with a limiting mechanism. Through the cooperation of the internal side limiting spring and the connecting rod, the side limiting seat can clamp the edge of the computer screen to form a side limit. At the same time, the side limiting seats on both sides can clamp the computer screen with the cooperation of the fixing clip and the tension spring, forming an external fixing effect that is easy to disassemble. It will not cause permanent damage to the computer screen and enhances the practicality of the device.
[0016] 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
[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0018] Figure 1 This is a front three-dimensional structural diagram of an external computer screen eye protection device according to the present invention;
[0019] Figure 2 This is a three-dimensional structural diagram of the back of an external computer screen eye protection device according to the present invention;
[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the rigid transparent plate of this utility model;
[0021] Figure 4 This is a schematic diagram of the internal structure of the limiting mechanism of this utility model.
[0022] Legend:
[0023] 1. Main frame; 2. Rigid transparent panel; 3. Privacy film; 4. Blue light filter film; 5. Central hook; 6. Side hanging ears; 7. Connecting rod; 8. Limiting mechanism; 81. Side limiting seat; 82. Spring groove; 83. Spring limiting cap; 84. Side limiting spring; 85. Slide groove; 86. Fixing clip; 87. Slider; 88. Tensioning spring. Detailed Implementation
[0024] This section will describe in detail the specific embodiments of the present utility model. Preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present utility model. The drawings are all in a very simplified form and use non-precise proportions. They are only used to help to explain the embodiments of the present utility model in a convenient and clear way, and should not be construed as limiting the scope of protection of the present utility model.
[0025] Reference Figure 1-4 This utility model provides an external computer screen eye protection device, including a main frame 1. The size of the main frame 1 corresponds to the size of existing computer screens on the market. A rigid transparent plate 2 is fixedly connected to the inner side of the main frame 1. A privacy film 3 is fixedly connected to one side of the rigid transparent plate 2. A blue light filter film 4 is fixedly connected to the side of the rigid transparent plate 2 away from the privacy film 3. While achieving the eye protection effect, the privacy film 3 can cover the information on the computer screen, which can reduce the risk of information leakage. A central hook 5 is fixedly connected to the upper middle part of the main frame 1. Side hanging ears 6 are fixedly connected to both sides of the upper part of the main frame 1 to form a hanging effect. Connecting rods 7 are fixedly connected to both sides of the lower part of the main frame 1. A limiting mechanism 8 is provided at the end of each connecting rod 7 away from the main frame 1. The spring force can be used to form an external fixed effect that is easy to disassemble and will not cause permanent damage to the computer screen.
[0026] The limiting mechanism 8 includes a side limiting seat 81, a spring groove 82, a spring limiting cap 83, a side limiting spring 84, and a sliding groove 85. The side limiting seat 81 has a spring groove 82 at one end near the connecting rod 7, and the connecting rod 7 passes through the spring groove 82 and is slidably connected to the spring groove 82. The side of the spring groove 82 away from the main frame 1 is slidably connected to the spring limiting cap 83. The ends of the two connecting rods away from the main frame 1 are fixedly connected to the corresponding spring limiting caps 83. The side limiting spring 84 is provided at the inner side of the spring limiting cap 83 inside the spring groove 82. The outer side of the two connecting rods 7 passing through the spring groove 82 is slidably sleeved with the corresponding side limiting spring 84. The elastic force of the side limiting spring 84 can make the side limiting seat 81 clamp the edge of the computer screen to form a side limit, which makes it easy for the main frame 1 to be aligned with the computer screen.
[0027] Each side limiting seat 81 has a sliding groove 85 at the end away from the spring groove 82. A slider 87 is slidably connected inside the sliding groove 85. A fixing clip 86 is fixedly connected to the side of the slider 87 near the main frame 1. Each side limiting seat 81 has a slot corresponding to the width of the fixing clip 86 on the side near the main frame 1. A tension spring 88 is provided inside the sliding groove 85. The two ends of the tension spring 88 are fixedly connected to the inner ends of the slider 87 and the sliding groove 85, respectively. The tension of the tension spring 88 can be used to clamp the back of the computer screen with the fixing clips 86 on both sides, so that the device can fit tightly against the computer screen and prevent random shaking. It can also adapt to computer screens of different thicknesses.
[0028] Working principle: When in use, this utility model utilizes the central hook 5 and two side hanging ears 6 on the upper part of the main frame 1 to form a main frame 1 that is suspended on the screen. With the privacy film 3 and blue light filter film 4 on both sides of the rigid transparent plate 2, the privacy film 3 can cover the information on the computer screen while achieving the effect of eye protection, thus reducing the risk of information leakage. At the same time, the limiting mechanism 8 on both sides of the main frame 1 can clamp the edge of the computer screen with the cooperation of the internal side limiting spring 84 and the connecting rod 7, forming a side limiting. Meanwhile, the side limiting seats 81 on both sides can clamp the computer screen with the cooperation of the fixing clip 86 and the tension spring 88, forming an external fixing effect that is easy to disassemble and will not cause permanent damage to the computer screen.
[0029] 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. An external computer screen eye protection device, comprising a main frame (1), characterized in that: The inner side of the main frame (1) is fixedly connected with a hard transparent plate (2), one side of the hard transparent plate (2) is fixedly connected with a privacy film (3), the side of the hard transparent plate (2) away from the privacy film (3) is fixedly connected with a blue light filtering film (4), the upper middle part of the main frame (1) is fixedly connected with a middle hook (5), both sides of the upper part of the main frame (1) are fixedly connected with side hanging ears (6), both sides of the lower part of the main frame (1) are fixedly connected with connecting rods (7), and the ends of the two connecting rods (7) away from the main frame (1) are provided with limiting mechanisms (8). The limiting mechanism (8) comprises a side limiting seat (81), a spring groove (82), a spring limiting cap (83), a side limiting spring (84) and a sliding groove (85), the side limiting seat (81) is provided with a spring groove (82) at one end close to the connecting rod (7), and the connecting rod (7) is slidably connected with the spring groove (82), the inside of the spring groove (82) is slidably connected with a spring limiting cap (83) away from the main frame (1), and the inside of the spring limiting cap (83) is provided with a side limiting spring (84). The inside of the side limiting seat (81) away from the spring groove (82) is provided with a sliding groove (85), the inside of the sliding groove (85) is slidably connected with a sliding block (87), and the side of the sliding block (87) close to the main frame (1) is fixedly connected with a fixed clamp (86), and the inside of the sliding groove (85) is provided with a tension spring (88).
2. The external computer screen eye-care device according to claim 1, wherein, The size of the main frame (1) corresponds to the size of the existing computer screen on the market.
3. The external computer screen eye-care device of claim 1, wherein, The ends of the two connecting rods (7) away from the main frame (1) are fixedly connected with the corresponding spring limiting caps (83).
4. The external computer screen eye-care device of claim 1, wherein, The outer side of the section of the two connecting rods (7) through the spring groove (82) is slidably sleeved with the corresponding side limiting springs (84).
5. The external computer screen eye-care device of claim 1, wherein, The two ends of the tension spring (88) are fixedly connected with the sliding block (87) and the inner side of the sliding groove (85), respectively.
6. The external computer screen eye-care device according to claim 1, wherein, The side of the side limiting seat (81) close to the main frame (1) is provided with a slot hole corresponding to the width of the fixed clamp (86). The side of the side limiting seat (81) close to the main frame (1) is provided with a slot hole corresponding to the width of the fixed clamp (86).