Waterproof key and magnetic furnace

Abstract

The utility model provides a waterproof key which comprises a magnetic furnace base, a PCB (printed circuit board) is arranged in the magnetic furnace base, a connecting cylinder is arranged above the PCB, a plurality of groups of connecting pins are arranged at the bottom of the connecting cylinder, a plurality of groups of connecting through grooves corresponding to the connecting pins are formed in the PCB, the connecting pins are arranged in the connecting through grooves in a penetrating manner, and the connecting cylinder is connected with the PCB. A waterproof surface cover is clamped on the connecting cylinder body, and the coverage area of the waterproof surface cover is larger than the area of the PCB; and a transmission assembly is arranged on the waterproof surface cover. The PCB of the waterproof button is provided with a waterproof surface cover through a connection cylinder. The coverage area of the waterproof surface cover is larger than the area where the PCB is located, and water vapor can be effectively prevented from entering. The waterproof performance of the waterproof key is improved, the waterproof key can work normally in a humid environment or under the condition of accidental water splashing, the reliability of a product is improved, and the service life of the product is prolonged. Meanwhile, a transmission assembly is arranged on the waterproof surface cover, and switching of the functions of the magnetic furnace is achieved through the transmission assembly.

Description

Technical Field

[0001] The utility model belongs to the technical field of buttons, and more specifically, particularly relates to a waterproof button and a magnetic furnace. Background Art

[0002] The magnetic stove is one of the common kitchen appliances in life. It converts electrical energy into magnetic field energy to achieve the function of heating and cooking food. Usually, there are multiple control buttons on the magnetic stove, which correspond to different functions of the magnetic stove. By pressing these control buttons, users can realize the corresponding functions, making the use of the magnetic stove more convenient and flexible. The magnetic stove is often exposed to water or water vapor during the cooking process in the kitchen. If the waterproof measures are not appropriate, water or water vapor may enter the inside of the device, causing damage to the device or short circuit, so a button design that can effectively waterproof is required. However, traditional waterproof buttons usually use sealing rings to prevent water or water vapor from entering the magnetic stove. Long-term use can cause the sealing ring to be poorly sealed and easy to age. At the same time, since the control buttons usually need to be operated frequently, the reliability and service life will be reduced over a long period of time. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a waterproof button and a magnetic furnace to solve the technical problems in the prior art that traditional waterproof buttons usually use sealing rings, which will cause the sealing rings to be loose and age after long-term use; at the same time, long-term and frequent operation will greatly reduce the reliability and service life of the buttons.

[0004] The purpose and effect of the waterproof key and magnetic furnace of the utility model are achieved by the following specific technical means:

[0005] A waterproof button comprises a PCB board, a connecting cylinder is arranged above the PCB board, and the connecting cylinder is clamped on the PCB board; a button base is arranged above the connecting cylinder, and a waterproof surface cover is arranged between the button base and the connecting cylinder; the waterproof button is installed obliquely, and a water-falling step is arranged on the surface of the waterproof surface cover to form a height difference, and the covering area of ​​the waterproof surface cover is larger than the PCB board; a button cover is arranged above the button base, and the button base and the button cover are connected through a transmission component.

[0006] According to a preferred embodiment, the transmission assembly includes a button rod, which is located above the button base, and one end of the button rod is provided with multiple groups of limit slots, and the button rod is clamped on the button base through the limit slots; connecting slots are provided on both sides of the button cover, and connecting buckles are provided on both sides of the button rod, the connecting buckles are clamped in the connecting slots, and the button cover is clamped on the button rod.

[0007] According to a preferred embodiment, the transmission assembly also includes a waterproof cover and a main body tube, the waterproof cover is funnel-shaped, the waterproof cover is located between the key base and the key rod, and is sleeved on the key rod; the main body tube is sleeved on the key base and the key rod to form a key as a whole; a waterproof part is also arranged between the main body tube and the key rod, and the waterproof part is sleeved on the key rod.

[0008] According to a preferred embodiment, a plurality of connecting pins are arranged at the bottom of the connecting cylinder, a plurality of connecting slots are opened on the PCB board corresponding to the connecting pins, the connecting pins are inserted into the connecting slots, and the connecting cylinder is connected to the PCB board.

[0009] According to a preferred embodiment, the bottom surface of the waterproof surface cover is provided with an installation groove, and the bottom surface of the connecting cylinder is provided with a mounting clamp, and the mounting clamp is clamped in the installation groove; mounting buckles are provided on both sides of the connecting cylinder, and the waterproof surface cover is provided with installation slots corresponding to the installation buckles, and the installation buckles are clamped in the installation slots, and the waterproof surface cover is connected to the connecting cylinder.

[0010] According to a preferred embodiment, the waterproof surface cover has the same inclination angle as the waterproof button, an annular water retaining rib is provided on the waterproof surface cover, and the water retaining rib is provided with at least one notch; a drainage notch is provided on one side of the waterproof surface cover, and the drainage notch is located at the lower end surface of the waterproof surface cover.

[0011] According to a preferred embodiment, the waterproof surface cover is transparent or partially transparent, and a lamp bead is provided on the PCB board, and the lamp bead is located in the middle of the connecting cylinder.

[0012] A magnetic stove comprises the above-mentioned waterproof button, a mounting hole is opened on the magnetic stove cover plate, and the waterproof button is inserted into the mounting hole; the waterproof surface cover is located between the PCB board and the mounting hole, and the waterproof surface cover is larger than the mounting hole.

[0013] According to a preferred embodiment, one end of the magnetic furnace cover is set as an inclined operating surface, and the inclination angle of the waterproof button is consistent with the operating surface; a drainage hole is provided at the lower side of the drainage gap.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The PCB board of the waterproof key is connected to the waterproof cover through the connecting cylinder. The coverage area of ​​the waterproof cover is larger than the area where the PCB board is located, which can effectively protect the PCB board from the influence of the external environment. The waterproof cover is made of high-quality materials and has excellent waterproof performance. It can effectively prevent moisture from entering the interior of the magnetic stove, thereby protecting the safety of the PCB board and other electronic components, effectively protecting the internal components of the magnetic stove, and extending the service life of the magnetic stove. At the same time, the surface of the waterproof cover is provided with a step surface and a water retaining rib, which can effectively prevent moisture from entering from around the key. The height of the step surface is different from the flow of water. The water retaining rib further enhances the waterproof effect, which can limit the flow of water and reduce the possibility of moisture entering the interior of the magnetic stove. The waterproof cover is provided with a drainage gap to discharge the incoming water in time. When a small amount of water enters, the drainage gap can guide the water flow to be discharged quickly to avoid water accumulation in the key area. The waterproof performance of the key is further improved, ensuring that the key can still work normally even in a humid environment or accidental splashing, providing a reliable operating experience.

[0016] 2. The waterproof key switches the magnetic furnace function through the transmission assembly. A waterproof cover and waterproof parts are set inside the transmission assembly to provide excellent waterproof performance. The existence of the waterproof cover allows moisture to flow smoothly into the waterproof surface cover without entering the interior of the transmission assembly. The waterproof cover is funnel-shaped, which plays a role in guiding the water flow and guides the moisture to the waterproof surface cover, thereby avoiding moisture damage to the internal circuits and components of the transmission assembly. Through the use of waterproof parts, it can effectively prevent moisture from entering the transmission assembly and resist various forms of moisture intrusion, whether it is accidental splashing or water vapor in a humid environment. Through the use of waterproof covers and waterproof parts, the waterproof performance of the transmission assembly has been greatly improved, effectively avoiding the failure of the key. The waterproof surface cover is set to be transparent or partially transparent, so that the lamp beads on the PCB board can emit pipelines through the waterproof surface cover, and can give an intuitive view of the key status and the prompts on the keys.

[0017] 3. The magnetic stove has successfully achieved excellent waterproof performance while ensuring the switching of the magnetic stove functions by adopting the above-mentioned waterproof button. It effectively prevents the magnetic stove from being eroded by water, thereby ensuring the normal use of the magnetic stove. The application of waterproof buttons enables the magnetic stove to maintain excellent performance in various usage environments. Whether it is accidentally splashed with water in the kitchen or encountered water during cleaning, the magnetic stove can be safe and sound and continue to provide users with a reliable cooking experience. It not only protects the internal circuits and components of the magnetic stove, but also extends the service life of the magnetic stove. An installation hole is opened on the magnetic stove cover of the magnetic stove, and the waterproof button is inserted into the installation hole, which makes the installation of the waterproof button more convenient and firm, and also improves the overall waterproof performance of the magnetic stove. The magnetic stove is provided with a drain port corresponding to the drainage gap, which can timely discharge the moisture entering the magnetic stove, further improving the waterproof performance of the magnetic stove. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a waterproof button and a magnetic furnace after assembly in the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of a waterproof button and a magnetic furnace after being unfolded;

[0020] Figure 3 It is a schematic diagram of the structure after the transmission component is unfolded;

[0021] Figure 4 is a cross-sectional view of the transmission assembly;

[0022] Figure 5 yes Figure 2 A partial enlarged view of area a in the middle;

[0023] Figure 6 It is a schematic diagram of the structure of the connecting cylinder;

[0024] Figure 7 It is a schematic diagram of the structure of the waterproof surface cover;

[0025] Figure 8 It is a bottom view of the waterproof surface cover.

[0026] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0027] 11. PCB board; 12. Connecting cylinder; 13. Connecting foot; 14. Connecting through slot; 15. Mounting card plate; 16. Mounting buckle; 21. Button base; 22. Button cover; 23. Connecting card slot; 31. Waterproof surface cover; 32. Mounting slot; 33. Mounting card slot; 34. Annular water retaining rib; 35. Drainage gap; 41. Button rod; 42. Limiting card slot; 43. Connecting buckle; 44. Waterproof cover; 45. Main cylinder; 46. Waterproof parts; 51. Magnetic furnace cover; 52. Mounting hole. DETAILED DESCRIPTION

[0028] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the technical solution of the present invention, but cannot be used to limit the protection scope of the present invention.

[0029] Example:

[0030] like Figures 1 to 8 As shown, the utility model provides a waterproof key, including a PCB board 11, a connecting cylinder 12 is arranged above the PCB board 11, the connecting cylinder 12 is connected with the PCB board 11 to form an integral body, and the PCB board 11 can effectively transmit signals and supply power with the connecting cylinder 12. A key base 21 is arranged above the connecting cylinder 12, and a waterproof surface cover 31 is arranged between the key base 21 and the connecting cylinder 12; the waterproof key is arranged obliquely, and a water-falling step is arranged on the surface of the waterproof surface cover 31 to form a height difference, so as to prevent the surface tension of water droplets from adhering to the surface of the waterproof surface cover 31 and not falling. The waterproof surface cover 31 covers an area larger than the PCB board 11, and provides excellent waterproof protection for the entire device. It effectively prevents moisture, humidity or other liquids from entering the interior of the device. Even in a humid environment or in the case of accidental splashing, the PCB board 11 can be fully protected from damage. By designing the covering area of ​​the waterproof surface cover 31 to be larger than the area where the PCB board 11 is located, it is not only ensured that the PCB board 11 is completely covered, but also provides additional protective space. Even if liquid accidentally contacts the waterproof surface cover 31, it is difficult to penetrate into the PCB board 11, thereby further improving the waterproof performance of the device. A key cover plate 22 is arranged above the key base 21, and the key base 21 and the key cover plate 22 are connected through a transmission component to realize the adjustment function of the key and adjust and control the PCB board 11.

[0031] like Figure 2 , 3As shown in Figure 4, the transmission assembly includes a button rod 41, which is located above the button base 21, and a matching relationship is formed between the two. A plurality of limit slots 42 are provided at one end of the button rod 41, and the limit slots 42 provide a reliable guarantee for the connection between the button rod 41 and the button base 21. By matching the limit slots 42 on the button rod 41 with the corresponding structure on the button base 21, the button rod 41 is accurately and firmly clamped on the button base 21. The stability and reliability of the button rod 41 during use are ensured, so that it can accurately transmit the user's operation instructions. The button rod 41 can form a more stable connection with the button base 21. The button base 21 is clamped on the waterproof surface cover 31, ensuring a tight connection between the transmission assembly and the waterproof surface cover 31. To ensure that it can be firmly fixed on the waterproof surface cover 31, while also providing good waterproof performance. This clamping method effectively prevents moisture, moisture or other liquids from entering the interior of the transmission assembly, thereby protecting the normal operation of the device. By clamping the button base 21 on the waterproof surface cover 31, a reliable barrier is formed between the transmission assembly and the external environment. This barrier can not only prevent moisture from entering, but also resist the invasion of other debris, ensuring the long-term reliability and stability of the transmission assembly. Connecting slots 23 are provided on both sides of the button cover 22. The existence of the connecting slots 23 provides key support for the connection between the button rod 41 and the button cover 22. Connecting buckles 43 are also provided on both sides of the button rod 41. These connecting buckles 43 correspond to the connecting slots 23. By clamping the connecting buckles 43 in the connecting slots 23, a firm connection is established between the button rod 41 and the button cover 22. It is ensured that the button cover 22 can be accurately clamped on the button rod 41 to form a stable and tight whole. Not only does it provide good connection stability, but it also enables the transmission assembly to maintain good operating performance during use. Through the cooperation of the connecting slots 23 and the connecting buckles 43, the connection between the button cover 22 and the button rod 41 becomes simple and reliable. It provides a solid foundation for the normal operation of the entire transmission assembly and ensures that users can enjoy a smooth and accurate key operation experience.

[0032] The transmission assembly also includes a waterproof cover 44 and a main body tube 45. The waterproof cover 44 is in a unique funnel shape and can provide effective waterproof protection. The waterproof cover 44 is located between the key base 21 and the key rod 41 and is sleeved on the key rod 41. The tight connection between the waterproof cover 44 and the key rod 41 is ensured, effectively preventing water, moisture or other liquids from entering the transmission assembly. The funnel-shaped design enables the waterproof cover 44 to guide the liquid away from the key part of the transmission assembly, further enhancing the waterproof performance. Whether it is accidental splashing, rain or other liquids, the waterproof cover 44 can quickly remove it to protect the normal operation of the transmission assembly. The main body tube 45, as the main part of the transmission assembly, provides a stable support and installation foundation for other components. It works in conjunction with the waterproof cover 44 to jointly construct a sturdy and reliable structure to ensure that the transmission assembly can work normally under various environmental conditions. The combination of the waterproof cover 44 and the main body tube 45 provides excellent waterproof protection and stable structural support for the transmission assembly. The main body tube 45 is sleeved on the key base 21 and the key rod 41, and the three are closely combined to form a complete key as a whole. The sleeve of the main tube 45 ensures a seamless connection between it, the key base 21 and the key rod 41. It not only provides structural stability, but also provides a guarantee for the normal operation of the key as a whole. By sleeved the main tube 45 on the key base 21 and the key rod 41, a compact key as a whole is formed. The key can remain stable during use and provide accurate and reliable operation feedback. The existence of the main tube 45 also adds a layer of protection to the key as a whole. It can prevent external debris from entering the inside of the key, and also plays a certain waterproof and dustproof role, extending the service life of the key. A waterproof part 46 is provided between the main tube 45 and the key rod 41. The waterproof part 46 is sleeved on the key rod 41 to provide excellent waterproof protection for the entire transmission assembly. The existence of the waterproof part 46 is to cope with moisture challenges in various environments. Whether it is accidental splashing, rain or other humid conditions, the waterproof part 46 can quickly block moisture from entering the interior of the transmission assembly to ensure its normal operation. The waterproof component 46 is sleeved on the key rod 41 to form a tight seal with the key rod 41, effectively preventing water, moisture or other liquids from penetrating from the interface between the key rod 41 and the main tube 45, ensuring the reliability and long-term stability of the transmission assembly in a humid environment.

[0033] like Figure 2 , Figures 5 to 8As shown, the bottom of the connecting cylinder 12 is provided with multiple groups of connecting pins 13, and the PCB board 11 is provided with multiple groups of connecting through grooves 14 corresponding to the connecting pins 13. The connecting pins 13 are inserted into the connecting through grooves 14, and the connecting cylinder 12 is connected to the PCB board 11. The bottom surface of the waterproof surface cover 31 is provided with a mounting groove 32, and the bottom surface of the connecting cylinder 12 is also equipped with a corresponding mounting card 15. The mounting card 15 is clamped in the mounting groove 32 to ensure a tight connection between the two. The mounting groove 32 and the mounting card 15 are connected to each other in a coordinated manner so that they can fit each other perfectly. Not only a reliable connection is provided, but also loosening or falling off between the waterproof surface cover 31 and the connecting cylinder 12 can be effectively prevented. Through the cooperation of the mounting groove 32 and the mounting card 15, a stable connection is established between the waterproof surface cover 31 and the connecting cylinder 12. It is ensured that they can work together during use to provide good waterproof performance and stable structural support. Mounting buckles 16 are provided on both sides of the connecting cylinder 12 to provide key connection points for the waterproof surface cover 31. The waterproof surface cover 31 is provided with a mounting slot 33 corresponding to the mounting buckle 16 shown. When the mounting buckle 16 and the mounting slot 33 are mutually locked, a firm connection is established between the waterproof surface cover 31 and the connecting cylinder 12. Not only a reliable connection is provided, but also loosening or falling off between the waterproof surface cover 31 and the connecting cylinder 12 can be effectively prevented. Through the cooperation of the mounting buckle 16 and the mounting slot 33, the connection between the waterproof surface cover 31 and the connecting cylinder 12 becomes tight and stable. It is ensured that they can work together to provide good waterproof performance and reliable structural support during use. The mounting buckles 16 arranged on both sides of the connecting cylinder 12 and the mounting slots 33 correspondingly opened on the waterproof surface cover 31 are important components of the entire device. Their matching and firm connection provide guarantees for the normal operation and waterproof performance of the device, so that users can use the device with confidence.

[0034] The waterproof surface cover 31 has the same inclination angle as the waterproof button. The waterproof surface cover 31 is provided with an annular water retaining rib 34, and the waterproof surface cover 31 provides waterproof protection. The water retaining rib 34 is provided with at least one notch, so that water can flow out smoothly. A drainage notch 35 is provided on one side of the waterproof surface cover 31, and the drainage notch 35 is located on the lower end surface of the waterproof surface cover 31. It ensures that the accumulated water can be quickly drained when necessary. The waterproof button itself can be tilted or not tilted. The waterproof surface cover 31 sets the inclination angle of the waterproof surface cover 31 according to the installation angle of the waterproof button. The inclined design allows the water to flow naturally to the drainage notch 35, thereby effectively preventing the accumulation and penetration of water. It ensures that the waterproof surface cover 31 can provide reliable waterproof protection in various environments, providing users with peace of mind and convenience.

[0035] The waterproof surface cover 31 itself has the characteristics of being transparent or partially transparent, and lamp beads are arranged on the PCB board 11. The lamp beads are located in the middle of the connecting cylinder 12, and they add visual effects to the device in a bright and eye-catching way. When light passes through the transparent or partially transparent waterproof surface cover 31, they will shine on the transmission component in a soft and bright way, allowing users to intuitively see the working status of the keys. Through the waterproof surface cover 31, users can clearly observe the pressing and releasing process of the keys. They can understand in real time whether the keys are successfully triggered, as well as the prompt information set on the keys. They can accurately know whether their operations have been responded to, thereby increasing the convenience of use.

[0036] like Figure 2 , Figure 7 As shown, a magnetic stove incorporates the unique function of the waterproof button. The magnetic stove cover 51 is provided with a mounting hole 52, which provides a waterproof button. The waterproof button is inserted into the mounting hole 52 to ensure the waterproof performance of the button, so that the user does not need to worry about water or other liquids entering the button area when using the magnetic stove, providing a safer and more reliable operation experience. The waterproof surface cover 31 is located between the PCB board 11 and the mounting hole 52, and the waterproof surface cover 31 is larger than the mounting hole 52. The waterproof surface cover 31 can prevent moisture from entering the interior of the magnetic stove from the gap between the mounting hole 52 and the waterproof button, causing damage to internal parts and affecting the normal use of the magnetic stove.

[0037] One end of the magnetic stove cover 51 is set as an inclined operating surface, and the waterproof button is inclined at the same angle as the operating surface; so that the waterproof button is away from the high-temperature heating area, the waterproof button can be operated better, and the influence of high temperature on the button can be avoided. A drainage hole is provided at the lower side of the drainage gap 35. When it is necessary to drain the water or liquid inside the magnetic stove, the user can easily operate without worrying about the problem of liquid accumulation or leakage.

[0038] The specific usage and function of this embodiment are as follows:

[0039] Place the magnetic stove base on a stable surface to ensure its stability. Install the PCB board 11 inside the magnetic stove base, ensure that the connecting pin 13 is aligned with the connecting slot 14, and pass the connecting pin 13 through the connecting slot 14 to firmly connect the PCB board 11 to the connecting cylinder 12. Clamp the waterproof surface cover 31 on the connecting cylinder 12, and ensure that the coverage area of ​​the waterproof surface cover 31 exceeds the area where the PCB board 11 is located, so as to provide excellent waterproof protection. The operation transmission component is set on the waterproof surface cover 31, and the key operation can be performed as needed. The waterproof key provides a convenient operation mode, and the user can control various functions of the magnetic stove, such as switching, adjusting the fire power, etc. through the key. The PCB board 11 inside the device can effectively transmit signals and supply power to the connecting cylinder 12 to ensure the normal operation of the magnetic stove. The coverage area of ​​the waterproof surface cover 31 exceeds the area where the PCB board 11 is located, which effectively prevents moisture, moisture or other liquids from entering the device and protects the PCB board 11 from damage. Even in a humid environment or in the event of accidental splashing, the PCB board 11 can be fully protected from damage. The waterproof design of the device improves the reliability and durability of the magnetic stove, enabling it to operate stably in various environments, providing users with an excellent usage experience.

[0040] The basic principle and main features of the present invention and the advantages of the present invention are shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments.

Claims

1. A waterproof key, comprising a PCB board (11), characterized in that: A connecting cylinder (12) is arranged above the PCB board (11), and the connecting cylinder (12) is clamped on the PCB board (11); a key base (21) is arranged above the connecting cylinder (12), and a waterproof surface cover (31) is arranged between the key base (21) and the connecting cylinder (12); the waterproof key is installed obliquely, and a water-falling step is arranged on the surface of the waterproof surface cover (31) to form a height difference, and the coverage area of ​​the waterproof surface cover (31) is larger than that of the PCB board (11); a key cover plate (22) is arranged above the key base (21), and the key base (21) and the key cover plate (22) are connected via a transmission assembly.

2. A waterproof button according to claim 1, characterized in that: The transmission assembly comprises a button rod (41), the button rod (41) is located above the button base (21), one end of the button rod (41) is provided with a plurality of groups of limit slots (42), and the button rod (41) is clamped on the button base (21) through the limit slots (42); both sides of the button cover (22) are provided with connecting slots (23), both sides of the button rod (41) are provided with connecting buckles (43), the connecting buckles (43) are clamped in the connecting slots (23), and the button cover (22) is clamped on the button rod (41).

3. A waterproof key according to claim 2, characterized in that: The transmission assembly further comprises a waterproof cover (44) and a main body tube (45); the waterproof cover (44) is funnel-shaped, located between the key base (21) and the key rod (41), and sleeved on the key rod (41); the main body tube (45) is sleeved on the key base (21) and the key rod (41) to form a key as a whole; a waterproof component (46) is also arranged between the main body tube (45) and the key rod (41), and the waterproof component (46) is sleeved on the key rod (41).

4. A waterproof key according to claim 1, characterized in that: The bottom of the connecting cylinder (12) is provided with a plurality of connecting pins (13); the PCB board (11) is provided with a plurality of connecting slots (14) corresponding to the connecting pins (13); the connecting pins (13) are inserted into the connecting slots (14); and the connecting cylinder (12) is connected to the PCB board (11).

5. A waterproof key according to claim 4, characterized in that: The bottom surface of the waterproof surface cover (31) is provided with a mounting groove (32), and the bottom surface of the connecting cylinder (12) is provided with a mounting clamping plate (15), and the mounting clamping plate (15) is clamped in the mounting groove (32); mounting buckles (16) are provided on both sides of the connecting cylinder (12), and the waterproof surface cover (31) is provided with mounting clamping grooves (33) corresponding to the mounting buckles (16), and the mounting buckles (16) are clamped in the mounting clamping grooves (33), and the waterproof surface cover (31) is connected to the connecting cylinder (12).

6. A waterproof key according to claim 5, characterized in that: The waterproof surface cover (31) has the same inclination angle as the waterproof button; the waterproof surface cover (31) is provided with an annular water retaining rib (34), and the water retaining rib (34) is provided with at least one notch; a drainage notch (35) is provided on one side of the waterproof surface cover (31), and the drainage notch (35) is located on the lower end surface of the waterproof surface cover (31).

7. A waterproof key according to claim 6, characterized in that: The waterproof surface cover (31) is transparent or partially transparent, and a lamp bead is provided on the PCB board (11), and the lamp bead is located in the middle of the connecting cylinder (12).

8. A magnetic furnace, characterized in that: The invention comprises a waterproof button as claimed in any one of claims 1 to 7, a mounting hole (52) is provided on a magnetic furnace cover plate (51), and the waterproof button is inserted into the mounting hole (52); the waterproof surface cover (31) is located between the PCB board (11) and the mounting hole (52), and the waterproof surface cover (31) is larger than the mounting hole (52).

9. A magnetic furnace according to claim 8, characterized in that: One end of the magnetic furnace cover plate (51) is arranged as an inclined operating surface, and the inclination angle of the waterproof button is consistent with that of the operating surface; a drainage hole is arranged at the lower side of the drainage notch (35).

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