Keyboard structure with dustproof function
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING BAI YU SHUN TECH CO LTD
- Filing Date
- 2025-05-29
- Publication Date
- 2026-07-03
Smart Images

Figure CN224457962U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of keyboard processing technology, specifically relating to a keyboard structure with dustproof function. Background Technology
[0002] With the popularization and development of science and technology, computer applications have become increasingly widespread, making them a highly practical tool and an indispensable device for office work. The keyboard is the most common computer input device, widely used in microcomputers and various terminal devices. Computer operators use the keyboard to input various instructions and data, directing the computer's operation. However, in practical use, existing computer keyboards are often susceptible to spills of dust, drinking water, tea, beverages, or other liquids or solid particles. If these liquids or solid particles penetrate the keyboard, they will affect the normal operation of the circuitry and damage the keyboard itself. This not only affects the reliability of existing computer keyboards but also hinders normal computer operation.
[0003] In the existing technology, a search revealed that on June 8, 2011, applicant Liu Bo designed "A Dustproof Keyboard Cover Structure," which is a flip cover installed on the keyboard surface to shield the keyboard. However, since the flip cover needs to be opened during use, it increases the keyboard's footprint and is inconvenient to use. Dust mainly enters the keyboard through the gaps between the keys. Therefore, we found that on November 17, 2014, applicant Tianjin Puli Energy Technology Development Co., Ltd. designed "A Dustproof Keyboard." Their technical solution discloses that a filling layer is placed in the gaps between the keycaps to block dust. However, this design requires placing a filling layer in the narrow gaps between each keycap. Although it is theoretically feasible, it increases the difficulty of actual operation. For the above reasons, we hereby apply for this invention. Utility Model Content
[0004] To address the aforementioned problems in the prior art, this invention provides a keyboard structure with dustproof functionality that can improve upon these shortcomings.
[0005] This utility model relates to a keyboard structure with dustproof function, including a mechanical keyboard. The surface of the mechanical keyboard is covered with a dustproof film. The mechanical keyboard includes keycaps, key switches, a keyboard panel, and a transparent rubber frame. The keycaps are disposed on the key switches and connected to the keyboard panel. The transparent rubber frame is disposed between the keycaps and the keyboard panel. The transparent rubber frame includes a frame and a protrusion on the side of the frame facing the keyboard panel. The frame has holes corresponding to the key switches, through which the key switches pass to connect to the keyboard panel. The bottom surface of the keycaps is in close contact with the upper surface of the rubber frame. The lower edge of the keycaps has a cap edge protrusion, and the surface of the rubber frame has a limiting groove matching the cap edge protrusion. The four sidewalls of the keycaps are provided with a light-emitting layer.
[0006] Furthermore, the dustproof film includes a keycap area and a connecting area between the keycap areas. The keycap area covers the surface of the keycaps. The keycap area includes a top surface area and side wall areas disposed around the top surface area. The top surface area has a concave surface.
[0007] Furthermore, the top surface area is provided with a wear-resistant layer, a protective layer, a printed layer, a base layer, and a moisture-proof layer in sequence from top to bottom.
[0008] Furthermore, the printed layer is made of plastic film material and is printed with ink.
[0009] Furthermore, the base layer is made of PVC material with a thickness of 0.15-0.20mm.
[0010] Furthermore, the moisture-proof layer includes a water-proof layer and a shock-absorbing layer.
[0011] Furthermore, the material of the light-emitting layer includes an infrared photoluminescent material that can be excited by infrared radiation to emit visible light.
[0012] Furthermore, the keyboard panel is equipped with an infrared emitting device to emit infrared rays to the illuminated keycaps. The infrared emitting device is an infrared LED light, which is located on the keyboard panel at the position corresponding to the illuminated keycaps.
[0013] This invention covers the surface of the mechanical keyboard with a dustproof film, avoiding the flip-top design and not increasing the keyboard's footprint during use. The film structure makes processing and installation convenient. Additionally, the keycaps are designed with luminous layers on their sidewalls, making them easier to use in low-light conditions. Furthermore, the bottom surface of the keycaps is in close contact with the upper surface of the rubber frame, which also serves as a dustproof feature. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model.
[0015] Figure 2 This is a schematic diagram of a partial structure of the dustproof film.
[0016] Figure 3 This is a schematic diagram of the top surface area structure.
[0017] Figure 4 This is a schematic diagram of another structure for the top surface area.
[0018] Figure 5 This is a view of the keycap structure.
[0019] Illustration: 1 Keycap, 10 Brim Ridge, 101 Illuminating Layer, 2 Dustproof Film, 20 Connecting Area, 21 Side Wall Area, 22 Top Surface Area, 221 Wear-resistant Layer, 222 Protective Layer, 223 Printed Layer, 224 Base Layer, 2241 Receiving Slot Surface, 225 Moisture-proof Layer, 23 Concave Surface, 3 Rubber Frame, 31 Rubber Mold Layer, 32 Rubber Pillar, 4 Limiting Slot, 5 Keyboard Outer Frame, 6 Keyboard Panel, 7 Infrared Emitting Device. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in 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 present utility model and are not intended to limit the scope of the present utility model.
[0021] like Figure 1-5 As shown, this utility model relates to a keyboard structure with dustproof function, including a mechanical keyboard. The surface of the mechanical keyboard is covered with a dustproof film 2, which covers the outer frame 5 of the keyboard. This design can directly prevent dust from entering the gaps between the keycaps, achieving complete protection. The thickness of the dustproof film is less than 0.5mm. The mechanical keyboard includes keycaps 1, key switches 11, a keyboard panel 6, and a transparent rubber frame 3. The keycaps are mounted on the key switches 11, which are connected to the keyboard panel. The transparent rubber frame 3... The transparent rubber frame 3, positioned between the keycaps and the keyboard panel, includes a frame body 31 and a protrusion 32 on the upper side of the frame facing the keyboard panel. The protrusion and frame body are integrally formed. The frame body has holes 30 corresponding to the key switches, through which the key switches connect to the keyboard panel. The bottom surface of the keycaps is in close contact with the upper surface of the rubber frame. A cap edge protrusion 10 is provided on the lower edge of the keycaps. A limiting groove 4 matching the cap edge protrusion 10 is provided on the surface of the rubber frame. The cooperation of the protrusion 10 and the limiting groove increases the tightness of contact between the keycaps and the surface of the rubber frame. Figure 4 As shown, a light-emitting layer 101 is provided on the sidewalls around the keycap, and the light-emitting layer is treated by spraying technology.
[0022] like Figure 2 As shown, as a technical improvement, the dustproof film includes a keycap area and a connecting area 20 between the keycap areas. The keycap area covers the surface of the keycaps. The keycap area includes a top surface area 22 and side wall areas 21 arranged around the top surface area. The top surface area has a concave surface 23. The concave surface design increases the fit with the fingertips, making the keys more comfortable.
[0023] like Figure 3 As shown, as a technical improvement, the top surface area is provided with a wear-resistant layer 221, a protective layer 222, a printed layer 223, a base layer 224, and a moisture-proof layer 225 from top to bottom. The wear-resistant layer is made of transparent polyethylene material, which is hard and enhances the tactile feel in the design. Its thickness is 5-8μm. The protective layer is a PVC film with a thickness of 10-180μm. In terms of design, this design has a better tactile feel than the simple TPU silicone protective film used in the prior art.
[0024] As a further improvement, such as Figure 4 As shown, in order to increase the stability of the top surface area, the base surface has a receiving groove 2241 for accommodating the wear-resistant layer, the protective layer and the printed layer, and a moisture-proof layer 225 is also provided on its bottom surface.
[0025] As a technological improvement, the printed layer is made of ABS plastic film, which is easy to color. Ink printing information is set on its surface, and the printed information is the symbols on the keyboard keys.
[0026] As a technological improvement, the base layer is made of PVC plastic or TPU plastic and has a thickness of 0.15-0.20mm.
[0027] As a technical improvement, the moisture-proof layer 225 includes a water-proof layer 2251 and a shock-absorbing layer 2252, wherein the water-proof layer is a thin film made of gel-based waterproof material, and the shock-absorbing layer is a thin layer made of polyurethane material. The water-proof layer and the shock-absorbing layer are fixedly connected, and the connection area includes the moisture-proof layer 225 and the base layer 224.
[0028] As a technological improvement, the material of the light-emitting layer 101 includes an infrared photoluminescent material, which can be excited by infrared rays to emit visible light, including red light, blue light, green light or white light.
[0029] As a technical improvement, the keyboard panel is provided with an infrared emitting device 7 to emit infrared light to the illuminated keycaps. The infrared emitting device is an infrared LED light, which is located on the keyboard panel at the position corresponding to the illuminated keycaps.
[0030] For transparency, high-transparency rubbers such as ethylene propylene rubber, ethylene-vinyl acetate, chlorohydrin rubber, and butyl rubber can be used.
[0031] Regarding button design, such as Figure 2 As shown, an opening 201 is provided in the side wall area 21. When the keycap area is pressed down, the opening designed in the side wall area can provide space for deformation and compression release.
Claims
1. A keyboard structure with dustproof function, comprising a mechanical keyboard, characterized in that: The mechanical keyboard is covered with a dustproof film. It includes keycaps, key switches, a keyboard panel, and a transparent rubber frame. The keycaps are mounted on the key switches and connected to the keyboard panel. The transparent rubber frame is positioned between the keycaps and the keyboard panel. The frame includes a frame body and a protrusion on the side of the frame facing the keyboard panel. The frame body has holes corresponding to the key switches, through which the key switches connect to the keyboard panel. The bottom surface of the keycaps is in close contact with the upper surface of the rubber frame. A ridge is provided along the lower edge of the keycaps. A limiting groove matching the ridge is provided on the surface of the rubber frame. A light-emitting layer is provided on the four sidewalls of the keycaps.
2. The keyboard structure with dustproof function according to claim 1, characterized in that: The dustproof film includes a keycap area and a connecting area between the keycap areas. The keycap area covers the surface of the keycaps. The keycap area includes a top surface area and side wall areas disposed around the top surface area. The top surface area has a concave surface.
3. The keyboard structure with dustproof function according to claim 2, characterized in that: The top surface area is provided with a wear-resistant layer, a protective layer, a printed layer, a base layer and a moisture-proof layer from top to bottom.
4. The keyboard structure with dustproof function according to claim 3, characterized in that: The printed layer is made of plastic film.
5. The keyboard structure with dustproof function according to claim 3, characterized in that: The base layer is made of PVC material with a thickness of 0.15-0.20mm.
6. The keyboard structure with dustproof function according to claim 3, characterized in that: The moisture-proof layer includes a water-proof layer and a shock-absorbing layer.
7. The keyboard structure with dustproof function according to claim 1, characterized in that: The material of the light-emitting layer includes infrared photoluminescent materials, which can emit visible light when excited by infrared radiation.
8. A keyboard structure with dustproof function according to claim 7, characterized in that: The keyboard panel is equipped with an infrared emitting device to emit infrared light to the illuminated keycaps. The infrared emitting device is an infrared LED light, which is located on the keyboard panel at the position corresponding to the illuminated keycaps.