Waterproof keyboard structure and laptop

Abstract

This utility model discloses a waterproof keyboard structure and a laptop computer, relating to the field of laptop computer technology. The waterproof keyboard structure includes a casing with a mounting groove for mounting a keyboard assembly. A water guide groove is formed on the side of the casing facing the keyboard assembly, and a through-hole is formed in the thickness direction of the casing, which communicates with the outside. The water guide groove and the water guide hole are connected.

Description

Technical Field

[0001] This utility model relates to the field of laptop computer technology, and in particular to a waterproof keyboard structure and a laptop computer. Background Technology

[0002] Laptops have become a very common product in today's society. The keyboard is one of the main functional parts that you come into contact with during use. Occasionally, a sudden spill of liquid can damage the entire laptop or require it to be sent back to the factory for replacement of the entire component, which is time-consuming and costly. After-sales repairs that do not involve keyboard replacement often require the keyboard to be scrapped and replaced along with the product due to the fixed assembly method. Utility Model Content

[0003] The main purpose of this invention is to propose a waterproof keyboard structure and a laptop computer, aiming to improve the waterproof effect of the laptop keyboard structure and prevent water from affecting the normal operation of internal components when the laptop is flooded.

[0004] To achieve the above objectives, the present invention proposes a waterproof keyboard structure, including a housing, wherein the housing has an installation groove for mounting a keyboard assembly, a water guide groove is formed on the side of the housing facing the keyboard assembly, and a water guide hole is formed in the thickness direction of the housing, which is through and connected to the outside. The water guide groove is connected to the water guide hole.

[0005] In one embodiment, the water guide channel includes a plurality of channels, and each water guide channel is spaced apart along the length direction of the housing.

[0006] In one embodiment, a water reservoir is formed on the side of the housing facing the keyboard assembly. The water reservoir extends along the length of the housing and is located on one side of the width of the housing. A water guide channel communicates with the water reservoir. A water guide hole is located inside the water reservoir. The bottom surface of the water reservoir is lower than the bottom surface of the water guide channel.

[0007] In one embodiment, a connecting groove is formed on the side of the housing facing the keyboard assembly. The connecting groove extends along the length of the housing and is used to accommodate double-sided adhesive to bond the keyboard assembly to the housing.

[0008] In one embodiment, the housing has a plurality of mounting holes for inserting screws to secure the keyboard assembly to the housing, and the periphery of the mounting holes is provided with waterproof foam.

[0009] In one embodiment, the housing further includes a keyboard cable outlet and a keyboard backlight cable outlet, which are spaced apart within the water tank and penetrate the housing. Both the keyboard cable outlet and the keyboard backlight cable outlet have retaining edges formed around their peripheries.

[0010] In one embodiment, waterproof foam is provided around the periphery of the side of the keyboard cable outlet and the keyboard backlight cable outlet facing away from the keyboard assembly, and Mylar is attached to the waterproof foam.

[0011] In one embodiment, the waterproof keyboard structure further includes a keyboard assembly, which includes a positioning plate, a back plate, and keycaps. The positioning plate and the back plate are arranged sequentially along the direction close to the housing. The side wall of the positioning plate is provided with multiple buckles, and the side wall of the mounting groove is formed with multiple slots. One buckle is correspondingly engaged with one slot. The side of the positioning plate facing the back plate is provided with multiple welding posts, and each welding post passes through the back plate and is connected to the housing.

[0012] In one embodiment, a plurality of welding grooves are formed on the side of the housing facing the positioning plate, each welding groove is connected to the water guide groove, and a welding column is connected to one of the welding grooves.

[0013] This utility model also proposes a laptop computer, which includes a waterproof keyboard structure. The waterproof keyboard structure includes a casing, the casing having a mounting groove for mounting a keyboard assembly, a water guide groove formed on the side of the casing facing the keyboard assembly, and a through-hole connected to the outside in the thickness direction of the casing, the water guide groove communicating with the water guide hole.

[0014] This invention proposes a waterproof keyboard structure for use in the keyboard area of ​​a laptop computer. The structure includes a casing and a keyboard assembly. The casing, as a basic support component, is made of engineering plastic or metal and possesses sufficient strength and rigidity to protect internal components. The casing has a mounting groove that provides a precise mounting position and stable support for the keyboard assembly. This groove is a recessed area on the casing surface, its size adapted to the keyboard assembly. The keyboard assembly is secured in the mounting groove, allowing it to be firmly fixed to the casing. A water-guiding channel is formed on the side of the casing facing the keyboard assembly. This channel guides any seeping liquid in a specific direction, preventing liquid accumulation in the keyboard area. It is a groove formed on the casing surface, typically with a slope to facilitate liquid flow. The water-guiding channel can be straight, curved, or other shapes. The casing has through-holes that connect to the outside, allowing liquid in the drainage channel to drain out of the device. Specifically, the side of the casing facing away from the keyboard assembly has a hollow columnar structure, enabling the drainage holes to connect to the outside and drain any liquid that seeps into the casing. By incorporating this waterproof keyboard structure into the laptop, when liquid seeps into the keyboard area, it first flows into the drainage channel and then drains out of the laptop through the connection between the channel and the drainage holes. This effectively prevents liquid from damaging the keyboard circuitry, improves the keyboard's waterproof performance, and ensures the normal operation of the laptop. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0016] Figure 1 A schematic diagram of an embodiment of the waterproof keyboard structure provided by this utility model;

[0017] Figure 2 for Figure 1 Schematic diagram of the middle casing;

[0018] Figure 3 for Figure 2 Front view of the middle casing;

[0019] Figure 4 for Figure 2 A magnified view of a portion of point A in the middle;

[0020] Figure 5 for Figure 1 A magnified view of the front of the keyboard component;

[0021] Figure 6 for Figure 2 A schematic diagram of the structure on the back of the middle casing;

[0022] Figure 7 for Figure 1 A schematic diagram of the structure on the back of the keyboard assembly;

[0023] Figure 8 for Figure 7 A magnified view of a portion of point B in the middle;

[0024] Figure 9 for Figure 6 A partially enlarged schematic diagram of the outlet of the middle row cable;

[0025] Figure 10 for Figure 9 A schematic diagram of the structure of the Mylar attached to the outlet of the middle row line.

[0026] Explanation of icon numbers:

[0027] 100. Keyboard Waterproof Structure; 1. Housing; 11. Water Guide Channel; 12. Water Guide Hole; 13. Water Storage Tank; 14. Connecting Channel; 15. Fixing Hole; 16. Keyboard Cable Outlet; 17. Keyboard Backlight Cable Outlet; 18. Soldering Channel; 19. Slot; 2. Keyboard Components; 21. Positioning Plate; 211. Snap-in; 212. Soldering Post; 22. Backplate; 23. Keycaps; 3. Mylar.

[0028] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0030] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0031] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0032] Laptops have become a very common product in today's society. The keyboard is one of the main functional parts that you come into contact with during use. Occasionally, a sudden spill of liquid can damage the entire laptop or require it to be sent back to the factory for replacement of the entire component, which is time-consuming and costly. After-sales repairs that do not involve keyboard replacement often require the keyboard to be scrapped and replaced along with the product due to the fixed assembly method.

[0033] To solve the above problems, please refer to... Figures 1 to 3 This utility model proposes a waterproof keyboard structure 100, including a housing 1. The housing 1 has an installation groove for installing a keyboard assembly 2. A water guide groove 11 is formed on the side of the housing 1 facing the keyboard assembly 2. A water guide hole 12 is formed in the thickness direction of the housing 1, which is through and connected to the outside. The water guide groove 11 and the water guide hole 12 are connected.

[0034] This utility model proposes a waterproof keyboard structure 100 for use in the keyboard area of ​​a laptop computer. The structure includes a casing 1 and a keyboard assembly 2. The casing 1, as a basic support component, is made of engineering plastic or metal and possesses sufficient strength and rigidity to protect internal components. The casing 1 has a mounting groove that provides a precise mounting position and stable support structure for the keyboard assembly 2. This groove is a recessed area on the surface of the casing 1, its size adapted to the keyboard assembly 2. The keyboard assembly 2 is secured in the mounting groove, allowing it to be firmly fixed to the casing 1. A water-guiding groove 11 is formed on the side of the casing 1 facing the keyboard assembly 2. The water-guiding groove 11 guides any seeping liquid in a designated direction, preventing liquid accumulation in the keyboard area. This groove is a recess formed on the surface of the casing 1, typically with a slope to facilitate liquid flow. The water-guiding groove 11 can include different shapes such as straight lines or arcs. A through-hole 12, connecting to the outside, is formed in the thickness direction of the casing 1 to drain liquid from the water channel 11 to the outside of the device. Specifically, the side of the casing 1 facing away from the keyboard assembly 2 is a hollow columnar structure, allowing the water channel 12 to connect to the outside and drain liquid that has seeped into the casing 1. By incorporating this keyboard waterproof structure 100 into the laptop, when liquid seeps into the keyboard area, it first flows into the water channel 11 and then drains to the outside of the laptop through the connection between the water channel 11 and the water channel 12. This effectively prevents liquid from damaging the keyboard circuitry, improves the keyboard's waterproof performance, and ensures the normal use of the laptop.

[0035] In an alternative embodiment, please refer to Figures 2 to 4 The water guide channel 11 includes multiple channels, and each water guide channel 11 is spaced apart along the length direction of the housing 1.

[0036] The arrangement of multiple water channels 11 increases the range and efficiency of liquid collection, ensuring that liquid seeping in from different locations can be promptly guided and drained. The spaced arrangement along the length of the casing 1 covers most of the keyboard assembly 2, forming a comprehensive waterproof network. The spaced arrangement of the water channels 11 allows them to independently collect and guide liquid, while the area between adjacent channels 11 can also guide liquid to the nearest channel 11 through surface tension and other mechanisms. This multi-channel liquid guidance method significantly improves the reliability and efficiency of the waterproof structure.

[0037] In an alternative embodiment, please refer to Figure 2 and Figure 3 A water reservoir 13 is formed on the side of the casing 1 facing the keyboard assembly 2. The water reservoir 13 extends along the length of the casing 1 and is located on one side of the width of the casing 1. A water guide channel 11 connects to the water reservoir 13. A water guide hole 12 is located inside the water reservoir 13. The bottom surface of the water reservoir 13 is lower than the bottom surface of the water guide channel 11.

[0038] The main function of the water storage tank 13 is to collect the liquid guided from each water guide tank 11, forming a temporary storage area for more efficient discharge through the water guide hole 12. The water storage tank 13 extends along the length of the casing 1, allowing it to receive liquid from multiple water guide tanks 11 and expanding the liquid collection range. Located on one side of the casing 1 in the width direction, the water storage tank 13 helps concentrate the liquid in a specific area, facilitating the arrangement of the water guide hole 12 and liquid discharge. The bottom surface of the water storage tank 13 is lower than the bottom surface of the water guide tank 11; this height difference creates the driving force for liquid flow, allowing liquid to flow naturally from the water guide tank 11 into the water storage tank 13 without the need for an additional power unit. The connection between the water guide tank 11 and the water storage tank 13 ensures smooth liquid flow from the water guide tank 11 to the water storage tank 13. The water guide hole 12 is located inside the water storage tank 13, allowing the liquid in the water storage tank 13 to be directly discharged to the outside of the equipment through the water guide hole 12.

[0039] The water storage tank 13 is designed to handle large-volume liquid infiltration, preventing liquid from accumulating and overflowing in the water guide tank 11. Simultaneously, the bottom surface of the water storage tank 13 is lower than the bottom surface of the water guide tank 11, creating a low-lying area that facilitates liquid concentration and drainage, further improving the efficiency and reliability of the waterproof structure and effectively protecting the keyboard circuitry from liquid damage.

[0040] In an alternative embodiment, please refer to Figure 2 and Figure 3 A connecting groove 14 is formed on the side of the housing 1 facing the keyboard assembly 2. The connecting groove 14 extends along the length of the housing 1 and is used to accommodate double-sided adhesive to bond the keyboard assembly 2 to the housing 1.

[0041] The connecting groove 14 provides a fixed mounting position for the double-sided adhesive, ensuring a firm and reliable bond between the keyboard assembly 2 and the casing 1. The connecting groove 14 extends along the length of the casing 1, providing a longer bonding length, increasing the bonding area, and thus improving bonding strength. The shape of the connecting groove 14 is typically adapted to the cross-sectional shape of the double-sided adhesive, generally being a rectangular groove. Its dimensions need to be precisely designed based on the width and thickness of the double-sided adhesive to ensure that it can be tightly installed within the connecting groove 14 without loosening or shifting. During installation, the double-sided adhesive is placed within the connecting groove 14, and then the keyboard assembly 2 is pressed onto the adhesive. The adhesive properties of the double-sided adhesive firmly bond the keyboard assembly 2 to the casing 1. This bonding method not only provides a reliable mechanical connection but also acts as a seal, preventing liquid from seeping in from the connection between the keyboard assembly 2 and the casing 1. Through the combined arrangement of the water guide channel 11, the water storage tank 13, and the connecting channel 14, liquid that seeps into the installation groove is guided through the water guide channel 11 into the water storage tank 13 and then discharged through the water guide hole 12. In the actual design, the depth of the water guide channel 11 is greater than the depth of the connecting channel 14. This avoids the double-sided adhesive set in the connecting channel 14 from affecting the normal operation of the water guide channel 11, and the sealing effect of the double-sided adhesive can also help with waterproofing, further improving the waterproof performance of the keyboard.

[0042] In another alternative embodiment, please refer to Figure 2 , Figure 3 as well as Figure 6 The housing 1 has multiple mounting holes 15. The mounting holes 15 are used to insert screws to fix the keyboard assembly 2 to the housing 1, and waterproof foam is provided around the mounting holes 15.

[0043] The main function of the fixing holes 15 is to provide installation channels for screws, which securely fix the keyboard assembly 2 to the housing 1. Specifically, the back plate 22 of the keyboard assembly 2 has multiple threaded connecting posts. Screws are passed through the housing 1 and screwed onto the connecting posts to fix the keyboard assembly 2 to the housing 1. The multiple fixing holes 15 provide uniform fixing force, ensuring that the keyboard assembly 2 will not loosen or shift during use. Waterproof foam is provided around the fixing holes 15. The function of the waterproof foam is to fill the gap between the screw and the fixing hole 15 after the screw is tightened, preventing liquid from seeping into the housing 1 through the fixing holes 15 and affecting the normal operation of components such as the motherboard. The waterproof foam has good elasticity and sealing properties, and can fully fill the gap after being compressed. During installation, the waterproof foam is first placed around the fixing hole 15, then the screw is passed through and tightened, causing the waterproof foam to deform under compression, thereby achieving a sealing effect. The waterproof foam further reduces the risk of liquid infiltration and improves the reliability of the keyboard waterproof structure 100. At the same time, ensure the stability of the laptop during long-term use.

[0044] In an alternative embodiment, please refer to Figure 2 , Figure 6 , Figure 9 as well as Figure 10 The housing 1 also includes a keyboard cable outlet 16 and a keyboard backlight cable outlet 17. The keyboard cable outlet 16 and the keyboard backlight cable outlet 17 are spaced apart in the water tank 13 and pass through the housing 1. Both the keyboard cable outlet 16 and the keyboard backlight cable outlet 17 have a retaining edge formed around their perimeter.

[0045] The keyboard cable outlet 16 and keyboard backlight cable outlet 17 provide channels for the keyboard and backlight cables, allowing them to connect from the keyboard assembly 2 to other parts of the device. Their spaced-out arrangement within the water reservoir 13 places the cable outlets within the liquid collection area, facilitating the handling of any liquid that may seep in from the outlets. The through-hole design of the cable ensures that it can be smoothly led out from the components inside the housing 1 and connected to the keyboard assembly 2 on top of the housing 1. The periphery of the keyboard cable outlet 16 and keyboard backlight cable outlet 17 is formed with a retaining edge to prevent liquid from directly seeping into the housing 1. The retaining edge is a raised annular structure; its height and thickness can be designed according to actual needs to prevent liquid from flowing into the housing 1 along the cable surface.

[0046] Furthermore, waterproof foam is provided around the periphery of the side of the keyboard cable outlet 16 and the keyboard backlight cable outlet 17 facing away from the keyboard assembly 2, and Mylar 3 is attached to the waterproof foam.

[0047] The waterproof foam provides an additional waterproof seal on the side of the ribbon cable outlet facing away from the keyboard assembly 2, further preventing liquid from seeping into the casing 1 through the ribbon cable outlet. It is positioned around the keyboard ribbon cable outlet 16 and the keyboard backlight ribbon cable outlet 17, forming a closed waterproof barrier around the ribbon cables. Mylar 3 enhances the sealing and durability of the waterproof foam. Mylar 3 is a polyester film with good flexibility and water resistance, allowing it to adhere tightly to the waterproof foam, preventing damage from external factors and improving the overall performance of the waterproof barrier. During installation, the waterproof foam is first adhered to the perimeter of the ribbon cable outlet facing away from the keyboard assembly 2, and then Mylar 3 is attached to the waterproof foam, forming a double-layer waterproof structure. The edge prevents most liquid from directly contacting the ribbon cable outlet, while the waterproof foam and Mylar 3 further prevent liquid seepage if the edge fails to completely block it. This combination of multiple waterproof measures provides ample protection for the ribbon cable outlet, a vulnerable area, further improving the reliability of the keyboard waterproof structure 100.

[0048] In an alternative embodiment, please refer to Figure 4 , Figure 5 , Figure 7 as well as Figure 8 The keyboard waterproof structure 100 also includes a keyboard assembly 2, which includes a positioning plate 21, a back plate 22, and keycaps 23. The positioning plate 21 and the back plate 22 are arranged sequentially along the direction close to the housing 1. The side wall of the positioning plate 21 is provided with multiple buckles 211, and the side wall of the mounting groove forms multiple slots 19. One buckle 211 is correspondingly engaged in one slot 19. The side of the positioning plate 21 facing the back plate 22 is provided with multiple welding posts 212, and each welding post 212 penetrates the back plate 22 and is connected to the housing 1.

[0049] The positioning plate 21 provides positioning and support for the keycaps 23, ensuring that the keycaps 23 can be accurately installed on the keyboard assembly 2 and achieve stable key operation. Its structure is flat, with multiple keycap 23 mounting holes. The side wall of the positioning plate 21 has multiple latches 211, which cooperate with the slots 19 on the side wall of the mounting groove to secure the keyboard assembly 2 to the housing 1. The back plate 22 provides support and protection for the keyboard circuitry and also enhances the overall strength of the keyboard assembly 2. The back plate 22 is a flat plate made of metal or plastic and is located below the positioning plate 21. Multiple welding posts 212 are provided on the side of the positioning plate 21 facing the back plate 22. The welding posts 212 penetrate the back plate 22 and connect to the housing 1, further fixing the relative position of the keyboard assembly 2 and the housing 1. The welding posts 212 are typically cylindrical and can be made of metal or plastic, and are connected to the housing 1 by methods such as hot melting or ultrasonic welding.

[0050] During installation, the backplate 22 is first placed under the positioning plate 21, with the welding posts 212 passing through the corresponding holes on the backplate 22. Then, the positioning plate 21 is engaged with the slot 19 of the mounting groove using snap-fit ​​211, initially fixing the position of the keyboard assembly 2. Finally, the positioning plate 21 and the backplate 22 are securely connected to the housing 1 using the welding posts 212. This structural design makes the installation of the keyboard assembly 2 simple and convenient, while also providing a reliable mechanical connection to ensure that the keyboard assembly 2 will not loosen or shift during use.

[0051] Further, please refer to Figure 2 , Figure 4 , Figure 7 as well as Figure 8 Multiple welding grooves 18 are formed on the side of the housing 1 facing the positioning plate 21. Each welding groove 18 is connected to the water guide groove 11, and a welding column 212 is connected to a welding groove 18.

[0052] The function of the welding groove 18 is to provide an accurate installation position for the welding column 212 and to facilitate the welding operation. The structural feature of the welding groove 18 is that it is a groove formed on the surface of the housing 1, the shape and size of which are adapted to the welding column 212. Each welding groove 18 is connected to the water guide groove 11. This connection structure allows even if a small amount of liquid seeps in through the connection between the welding column 212 and the welding groove 18, it can be guided to the water guide hole 12 for discharge through the water guide groove 11.

[0053] The interconnected design of the welding groove 18 and the water guide groove 11 enhances the waterproof structure. When liquid seeps into the vicinity of the welding groove 18, it quickly flows into the water guide groove 11, preventing accumulation within the welding groove 18. This design effectively protects the welded parts, preventing weld failure due to liquid erosion. The positioning plate 21 and back plate 22 are securely connected to the casing 1 via welding pillars 212, ensuring the stability of the keyboard assembly 2; while the interconnected design of the welding groove 18 and the water guide groove 11 ensures that even if liquid seeps in, it can be drained promptly, protecting the safety of the keyboard circuitry. This combination of multiple protective measures makes the keyboard waterproof structure 100 more reliable and durable.

[0054] This utility model also proposes a laptop computer, which includes a waterproof keyboard structure 100. The specific structure of the waterproof keyboard structure 100 is as described in the above embodiments. Since this laptop computer adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, and will not be described in detail here. As a common portable electronic device, laptop computers inevitably encounter situations where liquids are splashed or accidentally spilled on the keyboard during use. Therefore, the waterproof performance of the keyboard is crucial. This solution, through the waterproof keyboard structure 100, can effectively prevent liquids from seeping into the interior of the casing 1, protecting the keyboard circuitry and other internal electronic components from damage. The casing 1, as the outer shell of the laptop computer, not only provides a mounting base for the keyboard assembly 2, but also forms a complete liquid guiding and drainage system through structures such as the water guide channel 11, water guide hole 12, and water storage tank 13. The keyboard assembly 2 is firmly connected to the casing 1 through buckles 211, welding posts 212, etc., ensuring that the keyboard will not loosen due to vibration or impact during daily use of the laptop computer. Meanwhile, the inclusion of waterproof components such as waterproof foam, Mylar 3, and edge protectors further enhances the keyboard's waterproof performance, providing reliable waterproof protection, especially in areas prone to liquid leakage, such as the ribbon cable outlet. This comprehensive waterproof design allows the laptop to maintain normal operation even when exposed to accidental water splashes, extending its lifespan and improving the user experience.

[0055] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A waterproof keyboard structure, characterized in that, The device includes a housing with a mounting groove for mounting a keyboard assembly. A water guide groove is formed on the side of the housing facing the keyboard assembly. A water guide hole is formed in the thickness direction of the housing, which is through and connected to the outside. The water guide groove is connected to the water guide hole.

2. The waterproof structure of a keyboard according to claim 1, wherein The water guide channel includes multiple channels, and each water guide channel is spaced apart along the length direction of the casing.

3. The waterproof structure of a keyboard according to claim 2, wherein A water reservoir is formed on the side of the casing facing the keyboard assembly. The water reservoir extends along the length of the casing and is located on one side of the width of the casing. A water guide channel connects to the water reservoir. A water guide hole is located inside the water reservoir. The bottom surface of the water reservoir is lower than the bottom surface of the water guide channel.

4. The waterproof structure of a keyboard according to claim 3, wherein A connecting groove is formed on the side of the housing facing the keyboard assembly. The connecting groove extends along the length of the housing and is used to accommodate double-sided adhesive to bond the keyboard assembly to the housing.

5. The waterproof structure of a keyboard according to claim 3, wherein The housing has multiple mounting holes for screws to be inserted to fix the keyboard assembly to the housing, and waterproof foam is provided around the mounting holes.

6. The waterproof structure of a keyboard according to claim 4 or 5, wherein The casing also includes a keyboard cable outlet and a keyboard backlight cable outlet. The keyboard cable outlet and the keyboard backlight cable outlet are spaced apart in the water tank and pass through the casing. Both the keyboard cable outlet and the keyboard backlight cable outlet have a retaining edge formed around their periphery.

7. The waterproof structure of a keyboard according to claim 6, wherein Waterproof foam is provided around the periphery of the side of the keyboard cable outlet and the keyboard backlight cable outlet facing away from the keyboard assembly, and Mylar is attached to the waterproof foam.

8. The waterproof structure of a keyboard according to claim 1, wherein The waterproof keyboard structure also includes a keyboard assembly, which includes a positioning plate, a back plate, and keycaps. The positioning plate and the back plate are arranged sequentially along the direction close to the housing. The side wall of the positioning plate is provided with multiple buckles, and the side wall of the mounting groove forms multiple slots. One buckle is correspondingly engaged with one slot. The side of the positioning plate facing the back plate is provided with multiple welding posts, and each welding post passes through the back plate and is connected to the housing.

9. The waterproof structure of a keyboard according to claim 8, wherein The housing has multiple welding grooves on the side facing the positioning plate, each welding groove is connected to the water guide groove, and a welding column is connected to one of the welding grooves.

10. A notebook computer, characterized by Includes a keyboard waterproof structure as described in any one of claims 1 to 9.

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