Knob with improved waterproof structure

Abstract

The utility model provides a knob with an improved waterproof structure, which comprises a magnetic furnace shell, a magnetic furnace cover plate is arranged above the magnetic furnace shell, and the magnetic furnace cover plate is connected with the magnetic furnace shell to form a mounting cavity; a circuit board is arranged in the mounting cavity and is clamped in the magnetic furnace shell; a mounting plate is arranged at one end of the magnetic furnace cover plate, a mounting hole is formed in the mounting plate, a connecting cylinder is arranged on the opening face of the mounting hole, the knob assembly penetrates through the connecting cylinder, and one end of the knob assembly is located in the mounting cavity and connected with the circuit board. According to the knob of the improved waterproof structure, the knob assembly is arranged in the connecting cylinder in a penetrating mode, the connecting cylinder is clamped in the waterproof groove in the knob connecting piece, a height difference is formed, and water flow can be effectively prevented from entering an induction cooker from a gap between the knob assembly and a cover plate of the induction cooker; meanwhile, the decorating part is arranged in the knob connecting part in a penetrating mode, one end of the decorating part is clamped in the waterproof clamping groove, a concave-convex structure is formed, and the waterproofness between the decorating part and the knob connecting part is ensured while adjustment prompts are visually provided.

Description

Technical Field

[0001] The utility model belongs to the technical field of control knobs, and more specifically, particularly relates to a knob with an improved waterproof structure. Background Art

[0002] During the use of the induction cooker, the knob plays a vital role. It is the main control unit of the induction cooker. Through the knob, users can easily select different functions and adjust the temperature as needed. It is an indispensable part of the induction cooker. However, the connection between the traditional knob and the induction cooker is usually simple and lacks an effective waterproof structure, making the joint between the knob and the induction cooker shell often easy to become one of the main ways for water to penetrate into the induction cooker. It is easy for water to flow into the induction cooker through the gap between the knob and the shell, causing the circuit board to become damp or short-circuited, thereby causing the induction cooker to malfunction and short-circuit. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a knob with an improved waterproof structure to solve the technical problem in the prior art that the connection between the traditional knob and the induction cooker is simple and has no effective waterproof structure, which makes it easy for water to flow into the electromagnetic circuit along the gap between the knob and the shell, causing malfunction and short circuit of the induction cooker.

[0004] The purpose and effect of the knob with improved waterproof structure of the utility model are achieved by the following specific technical means:

[0005] A knob with an improved waterproof structure comprises a magnetic furnace shell, a magnetic furnace cover plate is arranged above the magnetic furnace shell, the magnetic furnace cover plate is connected to the magnetic furnace shell to form a mounting cavity; a circuit board is arranged in the mounting cavity, and the circuit board is clamped in the magnetic furnace shell; a mounting plate is arranged at one end of the magnetic furnace cover plate, a mounting hole is opened on the mounting plate, a connecting tube is arranged on the opening surface of the mounting hole, a knob assembly is passed through the connecting tube, and one end is located in the mounting cavity and connected to the circuit board.

[0006] According to a preferred embodiment, the knob assembly includes a knob connector, which is inserted into the connecting tube; a waterproof groove is provided on the knob connector, and the connecting tube is clamped in the waterproof groove; a plurality of groups of positioning grooves are provided on the circuit board, and a plurality of groups of positioning blocks are provided in the knob connector, and the positioning blocks are clamped in the positioning grooves.

[0007] According to a preferred embodiment, the knob assembly also includes a button knob, which is sleeved on one end of the knob connector, and one end of the knob connector is provided with multiple groups of connecting buckles, and the button knob is provided with connecting grooves corresponding to the connecting buckles, and the connecting buckles are clamped in the connecting grooves.

[0008] According to a preferred embodiment, a plurality of assembly buckles are provided at one end of the knob connector, a plurality of assembly slots are provided on the circuit board, the assembly buckles are clamped in the assembly slots, and the knob connector is detachably connected to the circuit board.

[0009] According to a preferred embodiment, a decorative piece is further provided in the knob connector, the knob connector is configured to be hollow, a waterproof slot is provided in the knob connector, the decorative piece is passed through the knob connector, and one end is clamped on the waterproof slot; a plurality of sets of fixing buckles are provided on the decorative piece, and the decorative piece is clamped on the circuit board through the fixing buckles.

[0010] According to a preferred embodiment, the decorative piece is made of a transparent material, and a decorative surface is formed at the end surface of the decorative piece by electroplating.

[0011] According to a preferred embodiment, a plurality of groups of support plates are arranged in the magnetic furnace shell, and the circuit board is clamped on the end surfaces of the plurality of groups of support plates; a plurality of groups of mounting sleeves are arranged on the magnetic furnace shell, and a plurality of groups of mounting columns are arranged on the bottom surface of the magnetic furnace cover plate, and the mounting columns are clamped in the mounting sleeves, and connecting holes are opened on the mounting sleeves and the mounting columns, and screws are clamped in the connecting holes, and the magnetic furnace shell is connected to the magnetic furnace cover plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The housing of the knob magnetic stove with the improved waterproof structure is provided with a mounting hole, and a connecting tube is provided on the opening surface of the mounting hole. The knob assembly is inserted into the connecting tube, and the knob assembly is provided with a knob connector, and is connected to the circuit board through the knob connector. The key knob is sleeved on the knob connector, so that the function or temperature of the induction cooker can be adjusted by turning the key knob. At the same time, a waterproof groove is provided on the knob connector, and the connecting tube is clamped in the waterproof groove to form a height difference, which can effectively prevent water from penetrating into the interior of the induction cooker from the gap between the knob connector and the housing of the magnetic stove, thereby improving the waterproof performance of the induction cooker.

[0014] 2. The knob of the improved waterproof structure is also provided with an assembly part, the knob connector is set to be hollow, the assembly part is inserted into the knob connector, and one end is connected to the circuit board; the knob connector is also provided with a waterproof card slot, one end of the assembly part is stuck in the waterproof card slot to form a concave-convex structure; the assembly part serves as a prompt for the adjustment function of the knob assembly, which not only improves the applicability and aesthetics of the induction cooker, but also further enhances the waterproof performance of the induction cooker. At the same time, the decorative part is made of transparent material, and the end surface is formed with a decorative surface by electroplating, which makes the decorative part more beautiful and durable, and improves the quality of the induction cooker. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model after assembly.

[0016] Figure 2 It is a schematic diagram of the structure of the utility model after being disassembled.

[0017] Figure 3 This is a schematic diagram of the structure after the knob assembly is disassembled.

[0018] Figure 4 It is a structural schematic diagram of a knob connector.

[0019] Figure 5 yes Figure 2 A partial enlarged view of area a.

[0020] Figure 6 It is a structural diagram of a magnetic furnace panel.

[0021] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0022] 11. Magnetic furnace shell; 12. Magnetic furnace cover; 13. Mounting plate; 14. Mounting hole; 15. Connecting tube; 16. Support plate; 17. Mounting sleeve; 18. Mounting column; 21. Circuit board; 22. Positioning groove; 23. Assembly groove; 31. Knob connector; 32. Waterproof groove; 33. Push button knob; 34. Connecting buckle; 35. Connecting groove; 36. Assembly buckle; 37. Positioning block; 38. Waterproof slot; 41. Decorative piece; 42. Fixing buckle. DETAILED DESCRIPTION

[0023] 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.

[0024] Example:

[0025] like Figure 1 , 2As shown, the utility model provides a knob with an improved waterproof structure, including a magnetic furnace shell 11, a magnetic furnace cover plate 12 is arranged above the magnetic furnace shell 11, and the magnetic furnace cover plate 12 is tightly connected to the magnetic furnace shell 11, together forming a closed installation cavity, providing a safe and dustproof environment for the internal components of the induction cooker. A circuit board 21 is arranged in the installation cavity, and the circuit board 21 is clamped in the magnetic furnace shell 11 to provide support for various functions of the induction cooker. A mounting plate 13 is arranged at one end of the magnetic furnace cover plate 12, and an 100-ohm mounting hole 14 is opened on the mounting plate 13, which provides convenience for the installation of the knob assembly. A connecting tube 15 is arranged on the opening surface of the mounting hole 14, and the knob assembly can pass through the connecting tube 15, one end of which is located in the installation cavity and connected to the circuit board 21, ensuring the communication between the knob and the circuit board 21, so that the function of the induction cooker or the temperature adjustment can be accurately controlled by the knob assembly.

[0026] like Figure 3 , 4 As shown in Figures 5 and 6, the knob assembly includes a knob connector 31, which passes through the connecting tube 15 to ensure a stable connection between the knob and the circuit board 21. A waterproof groove 32 is provided on the knob connector 31, and the connecting tube 15 is just stuck in the waterproof groove 32 to form a height difference, which provides waterproof protection for the knob and effectively prevents water from penetrating. Multiple groups of positioning grooves 22 are provided on the circuit board 21, and multiple groups of positioning blocks 37 are correspondingly provided inside the knob connector 31. The positioning blocks 37 are stuck in the positioning grooves 22 to ensure accurate alignment and stable connection between the knob connector 31 and the circuit board 21. The knob assembly also includes a button knob 33, which is sleeved on one end of the knob connector 31 to provide a convenient operation method for the user. One end of the knob connector 31 is provided with multiple groups of connection buckles 34, and the button knob 33 is provided with a connection groove 35 corresponding to the connection buckle 34. When the connection buckle 34 is clamped in the connection groove 35, a firm connection is established between the button knob 33 and the knob connector 31, ensuring the stability and reliability of the button knob 33 during use. By rotating the button knob 33, the entire knob assembly can be rotated to achieve the adjustment of the induction cooker. The knob connector 31 is provided with multiple groups of assembly buckles 36, which are matched and connected with the multiple groups of assembly grooves 23 provided on the circuit board 21. When the assembly buckle 36 is clamped in the assembly groove 23, a firm connection is established between the knob connector 31 and the circuit board 21, ensuring the connection between the knob assembly and the circuit board 21. It can make the maintenance and replacement of the knob assembly more convenient, and also provide users with more flexibility and convenience.

[0027] A decorative part 41 is provided inside the knob connector 31, which provides a prompt for adjusting the knob assembly, so that the user can adjust the button knob 33 to a suitable position according to the prompt of the decorative part 41 when using it. The knob connector 31 is designed to be hollow, which provides space for the embedding of the decorative part 41. A waterproof card slot 38 is provided inside the knob connector 31. The decorative part 41 passes through the knob connector 31, and one end of the decorative part 41 is just stuck in the waterproof card slot 38, which ensures the stable installation of the decorative part 41 and the waterproofness between the decorative part 41 and the knob connector 31. A plurality of sets of fixing buckles 42 are provided on the decorative part 41, which are clamped on the circuit board 21 through the fixing buckles 42. The decorative part 41 is made of a transparent material, and a decorative surface is formed at the end face of the decorative part 41 by electroplating, so that the adjustment prompts on the decorative part 41 can be intuitively observed.

[0028] like Figure 2 , 6 As shown, multiple groups of support plates 16 are arranged inside the magnetic furnace shell 11, and these support plates 16 provide stable support and fixation for the circuit board 21. The circuit board 21 is clamped on the end faces of the multiple groups of support plates 16, ensuring the safety and reliability of the circuit board 21 during use. In order to further enhance the structural stability of the magnetic furnace, multiple groups of mounting sleeves 17 are arranged on the magnetic furnace shell 11. At the same time, multiple groups of mounting columns 18 are arranged on the bottom surface of the magnetic furnace cover plate 12, and these mounting columns 18 correspond to the mounting sleeves 17, ensuring the stability between the magnetic furnace cover plate 12 and the magnetic furnace shell 11. When the mounting column 18 is clamped in the mounting sleeve 17, a connection is formed between the two, providing a stable support for the entire magnetic furnace. In addition, the mounting sleeve 17 and the mounting column 18 are both provided with connection holes, and screws can pass through these connection holes, further strengthening the connection between the magnetic furnace shell 11 and the magnetic furnace cover plate 12.

[0029] The specific usage and function of this embodiment are as follows:

[0030] When the knob of the improved waterproof structure is used, the user can adjust the function or temperature of the induction cooker by turning the button knob 33. The knob connector 31 passes through the connecting tube 15, and one end is connected to the circuit board 21 to ensure a stable connection between the knob and the circuit board 21. At the same time, the connecting tube 15 is clamped in the waterproof groove 32 on the knob connector 31 to form a height difference, which can effectively prevent water from entering the induction cooker from the gap. The decorative part 41 is embedded in the knob connector 31, providing an adjustment prompt, and the waterproof card slot 38 and the fixing buckle 42 ensure the stable installation of the decorative part 41, and also ensure the waterproofness between the decorative part 41 and the knob connector 31. The circuit board 21 is installed on the support plate 16 in the magnetic stove shell 11. At the same time, the magnetic stove shell 11 and the magnetic stove cover plate 12 are fixed by the corresponding clamping of the mounting sleeve 17 and the mounting column 18, and the fixing of the screws to ensure the safety and reliability of the induction cooker during use.

[0031] 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 knob with an improved waterproof structure, comprising a magnetic furnace housing (11), characterized in that: A magnetic furnace cover plate (12) is arranged above the magnetic furnace shell (11), and the magnetic furnace cover plate (12) is connected to the magnetic furnace shell (11) to form a mounting cavity; a circuit board (21) is arranged in the mounting cavity, and the circuit board (21) is clamped in the magnetic furnace shell (11); a mounting plate (13) is arranged at one end of the magnetic furnace cover plate (12), a mounting hole (14) is opened on the mounting plate (13), and a connecting tube (15) is arranged on the opening surface of the mounting hole (14); a knob assembly is inserted into the connecting tube (15), and one end of the knob assembly is located in the mounting cavity and connected to the circuit board (21).

2. The knob with improved waterproof structure according to claim 1, characterized in that: The knob assembly comprises a knob connector (31), the knob connector (31) being inserted into the connecting tube (15); a waterproof groove (32) is provided on the knob connector (31), the connecting tube (15) is clamped in the waterproof groove (32); a plurality of groups of positioning grooves (22) are provided on the circuit board (21), a plurality of groups of positioning blocks (37) are provided in the knob connector (31), and the positioning blocks (37) are clamped in the positioning grooves (22).

3. The knob with improved waterproof structure according to claim 2, characterized in that: The knob assembly further comprises a push-button knob (33), wherein the push-button knob (33) is sleeved on one end of the knob connector (31), wherein one end of the knob connector (31) is provided with a plurality of groups of connecting buckles (34), wherein the push-button knob (33) is provided with connecting grooves (35) corresponding to the connecting buckles (34), and wherein the connecting buckles (34) are clamped in the connecting grooves (35).

4. The knob with improved waterproof structure according to claim 3, characterized in that: One end of the knob connecting member (31) is provided with a plurality of assembly buckles (36), the circuit board (21) is provided with a plurality of assembly slots (23), the assembly buckles (36) are clamped in the assembly slots (23), and the knob connecting member (31) is detachably connected to the circuit board (21).

5. The knob with improved waterproof structure according to claim 4, characterized in that: A decorative piece (41) is also provided in the knob connecting piece (31); the knob connecting piece (31) is configured to be hollow; a waterproof card slot (38) is provided in the knob connecting piece (31); the decorative piece (41) is inserted into the knob connecting piece (31) and one end is clamped on the waterproof card slot (38); a plurality of sets of fixing buckles (42) are provided on the decorative piece (41); the decorative piece (41) is clamped on the circuit board (21) through the fixing buckles (42).

6. The knob with improved waterproof structure according to claim 5, characterized in that: The decorative piece (41) is made of a transparent material, and the decorative surface is formed at the end surface of the decorative piece (41) by electroplating.

7. The knob with improved waterproof structure according to claim 1, characterized in that: A plurality of groups of support plates (16) are arranged in the magnetic furnace shell (11), and the circuit board (21) is clamped on the end surfaces of the plurality of groups of support plates (16); a plurality of groups of mounting sleeves (17) are arranged on the magnetic furnace shell (11), and a plurality of groups of mounting posts (18) are arranged on the bottom surface of the magnetic furnace cover plate (12), and the mounting posts (18) are clamped in the mounting sleeves (17), and the mounting sleeves (17) and the mounting posts (18) are both provided with connection holes, and screws are clamped in the connection holes, so that the magnetic furnace shell (11) is connected to the magnetic furnace cover plate (12).

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