Knob and electronic device

Abstract

The application provides a knob and an electronic device, comprising a base, a rotating part, a moving platform and a damping structure, the rotating part is rotatably connected to the base along a first axis, the moving platform moves axially relative to the base along the first axis direction under the action of an external force, the damping structure comprises a first elastic part fixed to one of the rotating part and the moving platform and a plurality of sets of limiting parts fixed to the other, the plurality of sets of limiting parts are distributed along the first axis direction, wherein the first elastic part can cooperate with different sets of limiting parts when the moving platform is at different axial positions, so that when the rotating part is rotated, multi-stage damping feedback can be achieved, thereby ensuring the accuracy and comfort of interaction.

Description

Technical Field

[0001] This application relates to the field of control knob technology, and more particularly to a knob and an electronic device. Background Technology

[0002] Knobs, as an important component of human-computer interaction, are widely used in various electronic products, such as home appliances, industrial control equipment, and smart terminals. Knobs are mainly used for function switching and parameter adjustment through pressing and rotating operations.

[0003] In related technologies, knobs can have multiple functions, each corresponding to a specific parameter. After switching between different functions, the knob can adjust the corresponding parameter. However, when rotating the knob, the damping feedback provided by the knob is consistent. Fixed damping feedback is difficult to adapt to different scenarios. For example, quick adjustment requires a light feel, while fine adjustment requires a steady feel. Therefore, consistent damping feedback will reduce the accuracy and comfort of the interaction. Utility Model Content

[0004] This application provides a knob that can solve the technical problem in the related art where fixed damping feedback is difficult to adapt to different scenarios, such as quick adjustment requiring a light feel and fine adjustment requiring a stable feel, so consistent damping feedback will reduce the accuracy and comfort of interaction.

[0005] In a first aspect, embodiments of this application provide a knob, including a base; Base; A rotating component is rotatably connected to the base along a first axis, wherein the first axis is the rotation axis of the rotating component relative to the base; The movable platform moves axially relative to the base along the first axis direction under the action of an external force; The damping structure includes a first elastic member fixed to one of the rotating member and the moving platform, and multiple sets of limiting members fixed to the other. The multiple sets of limiting members are distributed along the first axis direction. When the moving platform is in different axial positions, the first elastic member cooperates with different sets of limiting members to achieve multi-level damping feedback.

[0006] Secondly, embodiments of this application provide an electronic device, including the knob described above. The knob and electronic device based on the embodiments of this application include a base, a rotating component, a movable platform, and a damping structure. The rotating component is rotatably connected to the base along a first axis. The movable platform moves axially relative to the base along the first axis under the action of an external force. The damping structure includes a first elastic component fixed to one of the rotating component and the movable platform, and multiple sets of limiting components fixed to the other. The multiple sets of limiting components are distributed along the first axis. When the movable platform is in different axial positions, the first elastic component can cooperate with different sets of limiting components. In this way, when rotating the rotating component, multi-level damping feedback can be achieved, thereby ensuring the accuracy and comfort of the interaction. Attached Figure Description

[0007] Figure 1 This is a schematic diagram of the structure of the knob provided in the embodiment of this application; Figure 2 This is a first exploded structural diagram of the knob provided in the embodiments of this application; Figure 3 This is a structural schematic diagram of the knob provided in an embodiment of this application from another perspective; Figure 4 yes Figure 3 A cross-sectional view of the structure at point AA in the first position of the structure shown. Figure 5 yes Figure 3 A cross-sectional view of the structure at point AA where the moving platform is in the second position. Figure 6 This is a schematic diagram of the structure of the rotating component provided in the embodiments of this application; Figure 7 This is a schematic diagram of the structure of the mobile platform and the base provided in the embodiments of this application; Figure 8 This is a schematic diagram of the locking member located in the second locking position according to an embodiment of this application; Figure 9 This is a schematic diagram of the locking member located in the first retraction position according to an embodiment of this application; Figure 10 This is a schematic diagram of the locking member located in the first locking position according to an embodiment of this application; Figure 11 This is a schematic diagram of the locking member located in the second retraction position according to an embodiment of this application; Figure 12 This is a schematic diagram of the second exploded structure of the knob provided in the embodiment of this application.

[0008] Explanation of reference numerals in the attached figures: 1. Knob; 10. Base; 11. Guide section; 12. Vibration motor; 13. Main control board; 14. Battery assembly; 15. Charging contacts; 16. Magnetic assembly; 20. Rotating component; 20a. Mounting cavity; 21. Cover; 22. Side plate; 30. Moving stage; 31. Track groove; 31a. First groove segment; 31a1. First pressing segment; 31a2. Second pressing segment; 31a3. First retraction segment; 31a31. First inner sidewall; 31a32. First outer sidewall; 31b. Second groove segment; 31b1. Third pressing segment; 31b11. Second inner sidewall; 31b12. Second outer sidewall; 31b2. Second retraction segment; 31b3. Third retraction segment; 31c. Guide surface; 33. Guide groove; 40. Damping structure; 41. First elastic element; 411. Mounting part; 412. Free end; 42. Limiting element; 421. Limiting protrusion; 422. First limiting element; 423. Second limiting element; 42a. Limiting groove; 50. Locking components; 60. Second elastic element; 70. Third elastic element; 80. Movable axis; A1, First locking position; A2, Second locking position; A3, First retraction position; A4, Second retraction position; MM, First axis. Detailed Implementation

[0009] The technical solutions in this application will be clearly and thoroughly described below with reference to the accompanying drawings. In the description of the embodiments of this application, unless otherwise stated, " / " means "or," for example, A / B can mean A or B. "And / or" in the text is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Furthermore, in the description of the embodiments of this application, "multiple" refers to two or more than two.

[0010] Hereinafter, the terms "first" and "second" are used for descriptive purposes only and should not be construed as implying or suggesting relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

[0011] Knobs, as an important component of human-computer interaction, are widely used in various electronic products, such as home appliances, industrial control equipment, and smart terminals. Knobs are mainly used for function switching and parameter adjustment through pressing and rotating operations.

[0012] In the existing technology, knobs can have multiple functions, each corresponding to a specific parameter. After switching between different functions, the knob can adjust the corresponding parameter. However, when rotating the knob, the damping feedback provided by the knob is consistent, which affects the accuracy and comfort of the interaction.

[0013] To resolve the above issues, please refer to [link / reference]. Figures 1 to 3 This application provides a knob, including a base 10, a rotating component 20, a moving platform 30, and a damping structure 40.

[0014] The base 10 is the basic support and mounting platform for the entire knob 1. The rotating part 20 is rotatably connected to the base 10 along the first axis MM. The first axis MM is the rotation axis of the rotating part 20 relative to the base. The rotating part 20 is the part that the user directly contacts and operates. As a human-computer interaction interface, the user can input adjustment commands, such as volume, light brightness, temperature, etc., by rotating it.

[0015] The mobile platform 30 moves axially relative to the base 10 along the first axis MM direction under the action of an external force, where the external force generally refers to the user's pressing pressure.

[0016] The damping structure 40 includes a first elastic member 41 fixed to one of the rotating member 20 and the moving platform 30, and multiple sets of limiting members 42 fixed to the other. The multiple sets of limiting members 42 are distributed along the first axis MM direction. When the moving platform 30 is in different axial positions, the first elastic member 41 cooperates with different sets of limiting members 42. In this way, when the moving platform 30 is in different axial positions and the rotating member 20 is rotated, multi-level damping feedback can be achieved.

[0017] It is understandable that the multi-level damping feedback is achieved by varying the degree of pressure applied to the first elastic element 41 or by varying the duration of pressure applied to the first elastic element 41, thereby enabling the knob 1 to provide different damping feedback and ensuring the accuracy and comfort of the interaction.

[0018] In this embodiment of the application, multiple sets of limiting members 42, including a first limiting member 422 and a second limiting member 423, are used as examples for illustration. Correspondingly, the moving stage 30 can move between a first position and a second position in the first axis MM direction, and cooperate with the first limiting member 422 and the second limiting member 423 respectively to realize two levels of damping feedback.

[0019] Please see Figure 4 as well as Figure 5 When the mobile station 30 is in the first position, such as Figure 4 As shown, the first elastic element 41 corresponds to the first limiting element 422. When the moving platform 30 is in the second position, as... Figure 5 As shown, the first elastic element 41 corresponds to the second limiting element 423.

[0020] The two levels of damping feedback can be used for temperature and volume adjustment respectively. Of course, it can also be understood that timer adjustment and temperature adjustment are also available. The specific choice depends on the actual usage.

[0021] In some embodiments, please refer to Figure 6 In order to achieve smooth knob shifting, each set of limiting members 42 includes multiple limiting protrusions 421 distributed circumferentially around the first axis MM and limiting grooves 42a located between two adjacent limiting protrusions 421, wherein the limiting grooves 42a of one set of limiting members 42 are connected to the limiting grooves 42a of the adjacent set of limiting members 42.

[0022] Among them, the limiting protrusion 421 is a protruding structure on the limiting member 42. Multiple limiting protrusions 421 are evenly distributed around the first axis MM in the circumferential direction, and their shape determines the feel characteristics of the damping feedback.

[0023] The limiting groove 42a is a groove structure formed between two adjacent limiting protrusions 421. It is the mating area of ​​the first elastic member 41. When the rotating member 20 rotates, the first elastic member 41 slides between the limiting groove 42a and the limiting protrusion 421, generating damping feedback. The limiting groove 42a of one set of limiting members 42 is connected with the limiting groove 42a of the adjacent set of limiting members 42, providing a smooth path for gear switching.

[0024] The limiting groove 42a provides clear physical guidance for assembly. During assembly, users or workers only need to align the first elastic element 41 with the limiting groove 42a to easily achieve correct docking between the rotating part 20 and the moving table 30, greatly reducing assembly difficulty and improving production efficiency. Through the sequential distribution of the limiting groove 42a and the limiting protrusion 421, when rotating the rotating part 20, there is a clear "click" sensation (mechanical stop) during rotation, allowing the user to feel the stepping of the knob 1.

[0025] Since the limiting groove 42a of one set of limiting members 42 is connected to the limiting groove 42a of the adjacent set of limiting members 42, when switching gears, the first elastic member 41 is always in the limiting groove 42a, and slides directly from the limiting groove 42a of one set of limiting members 42 into the adjacent connected limiting groove 42a without having to disengage and then re-engage. In addition, the gap between the two sets of limiting members 42 is eliminated, making it difficult to experience any jerking or jamming when shifting gears, and the operation of shifting gears by moving the moving table 30 axially is smoother.

[0026] During gear shifting, the first elastic element 41 and the limiting element 42 remain in contact, and the damping force will not suddenly disappear or increase, resulting in a smooth transition in feel.

[0027] Furthermore, the number of limiting protrusions 421 in each group of limiting members 42 is equal and they are set accordingly, so that the limiting grooves 42a of different groups of limiting members 42 are connected.

[0028] Based on the fact that the limiting grooves 42a in each set of limiting members 42 are connected one-to-one in the axial direction, a continuous guide channel that runs through multiple sets is formed. When the moving stage 30 is moved along the direction of the first axis MM, the first elastic member 41 can move along this channel, thereby adjusting the correspondence between the first elastic member 41 and the limiting members 42 of different sets, that is, adjusting the corresponding function of the knob 1.

[0029] It is also understandable that, since the limiting grooves 42a in each set of limiting members 42 are connected one-to-one in the axial direction, no matter where the rotating member 20 is rotated, when the function of the knob 1 needs to be switched, the first elastic member 41 can also quickly switch the limiting grooves 42a in different sets of limiting members 42, thus improving the ease of operation.

[0030] Furthermore, the groove surfaces of the interconnected limiting grooves 42a in different groups of limiting members 42 are coplanar, meaning that the inner contact surfaces of the interconnected limiting grooves 42a on different groups of limiting members 42 are on the same smooth, continuous plane. Therefore, when the first limiting member 422 moves within the limiting groove, it is difficult for height differences or misalignments to occur, thus ensuring the smoothness and consistency of the operating feel.

[0031] In this embodiment of the application, the first elastic member 41 cooperates with different groups of limiting members 42 to achieve multi-level damping feedback. The different groups of limiting members 42 have different structural settings. The differences in structural settings include at least one of the following: the distance of the limiting protrusion 421 from the first axis MM, the depth of the limiting groove 42a, and the cross-sectional shape of the limiting protrusion 421.

[0032] When the distance between the limiting protrusion 421 of different groups of limiting members 42 and the first axis MM is different, that is, the damping torque is different. The farther the distance, the greater the torque of the first elastic member 41 on the limiting protrusion 421, and the more stable the damping feeling; the closer the distance, the smaller the torque, and the lighter the feel.

[0033] When the depth of the limiting groove 42a of different groups of limiting members 42 is different, that is, the degree to which the first elastic member 41 is embedded in the limiting groove 42a is different. The deeper the groove, the more the first elastic member 41 is embedded, the greater the deformation, the clearer the tooth feel and the greater the resistance when rotating, that is, the more stable. The shallower the limiting groove 42a, the less the amount of embedding, the less the resistance, and the lighter and smoother the feel.

[0034] When the cross-sectional shape of the limiting protrusion 421 of different groups of limiting members 42 is different, such as the limiting protrusion 421 with a right trapezoidal cross-section having greater resistance and stronger tooth feel; the limiting protrusion 421 with a triangular cross-section having less resistance and smoother sliding, of course there can be other cross-sectional shapes of limiting protrusion 421, which are not restricted here.

[0035] In some possible embodiments, multi-level damping feedback can also be achieved by having different surface roughness and different arrangement density of the limiting protrusions 421 of different groups of limiting members 42. For example, the surface of some groups of limiting protrusions 421 is smoothed (e.g., polished), while the surface of some groups is roughened (e.g., sandblasted, knurled). The smooth surface has a low coefficient of friction and low rotational resistance, which is suitable for fast adjustment; the rough surface has a high coefficient of friction and high resistance, which is suitable for fine adjustment.

[0036] When the arrangement density of the limiting protrusions 421 in different groups is different, for example, there are more limiting protrusions 421 in one group of limiting parts 42 and fewer limiting protrusions 421 in the adjacent group of limiting parts 42, the group with more limiting protrusions 421 has a denser tooth feel and more delicate feedback when rotating, which is suitable for precise fine adjustment; the group with fewer limiting protrusions 421 has a wider feedback interval, which is easier to operate and suitable for quick adjustment.

[0037] It should be understood that when the first elastic member 41 is fixed relative to either the moving platform 30 or the rotating member 20, that is, the first elastic member 41 can be fixed on the moving platform 30 and the corresponding multiple sets of limiting members 42 are located on the rotating member 20, or the first elastic member 41 can be fixed on the rotating member 20 and the corresponding multiple sets of limiting members 42 are located on the moving platform 30. In one embodiment of this application, multiple sets of limiting members 42 are connected to the inner sidewall of the rotating member 20 and the first elastic member 41 is connected to the moving platform 30 for illustrative purposes. The first elastic member 41 is used to cooperate with the limiting members 42 to generate damping feedback when the rotating member 20 rotates.

[0038] The rotating member 20 forms the mounting cavity 20a, and the inner wall of the rotating member 20 is also the inner wall of the mounting cavity 20a. Since the first elastic member 41 on the moving stage 30 needs to abut against the corresponding limiting member 42 on the inner wall, multiple sets of limiting members 42 are provided on the inner wall. That is, the mounting cavity 20a needs to have sufficient space in the direction of the extension of the first axis MM. Correspondingly, the size of the moving stage 30 with only the first elastic member 41 can be relatively small.

[0039] The larger mounting cavity 20a formed by the rotating component 20 can enclose the smaller movable stage 30 as much as possible, making the overall structure more compact and the appearance neater. It also reduces the risk of internal mechanism exposure and prevents users, especially children, from misoperating. The movable stage 30 is surrounded by the rotating component 20 and can move along the first axis MM, obtaining more stable guidance, reducing shaking and skew, and ensuring the accuracy of the knob 1 function switching.

[0040] It is understood that the first elastic element 41 can be a structure such as an elastic metal spring, metal sheet, rubber block, or elastic arm or sheet made of engineering plastic.

[0041] Further, please refer to Figure 6The rotating component 20 may include a cover 21 and a side plate 22. The side plate 22 is connected to one side of the cover 21 and forms a mounting cavity 20a with the cover 21. The inner side wall of the side plate 22 is the inner side wall of the mounting cavity 20a. Thus, a limiting component 42 can be machined on the inner side wall of the side plate 22 first, and then the cover 21 and the side plate 22 can be connected together, thereby reducing the machining difficulty of the limiting component 42 and improving the production efficiency of the entire knob 1.

[0042] In one embodiment of this application, please refer to Figure 7 For example, the first elastic member 41 includes a spring sheet, specifically a metal spring sheet, which includes a mounting portion 411 and a free end 412 connected to each other. The mounting portion 411 is fixedly mounted on the moving platform 30, and the free end 412 abuts against one of the limiting members 42.

[0043] The mounting part 411 is responsible for fixing the spring piece on the moving table 30, ensuring that the spring piece will not move or fall off as a whole. The free end 412 is partially or completely suspended after the mounting part 411 is fixed, but the free end 412 will abut against one of the limiting members 42 of the rotating member 20.

[0044] When the user rotates the knob 1, the limiting member 42 on the rotating part 20 will move relative to the free end 412, that is, the free end 412 will undergo elastic deformation, thereby generating damping force and a "click" feeling. Since the free end 412 is suspended, when the free end 412 deforms and when the rotating part 20 rotates, the free end 412 only rubs against the limiting member 42. The friction is relatively small, ensuring the smoothness of the knob 1 when rotating.

[0045] Furthermore, the mounting portion 411 and the free end portion 412 are circumferentially distributed around the spring piece and connected end to end, meaning the entire first elastic element 41 is annular. This allows the spring piece to be designed to be smaller overall, making full use of the limited radial space inside the knob 1, which is beneficial for miniaturization of the knob 1. The circumferentially distributed free end portion 412 provides uniform elastic force and contact, resulting in a stable and reliable operating feel. The end-to-end connection structure of the first elastic element 41 also enhances overall stability, helping to transmit and distribute force more evenly inside the spring piece, reducing local stress concentration, and thus improving the fatigue resistance and service life of the first elastic element 41.

[0046] In this embodiment, to ensure the strength and durability of the first elastic element 41, the entire first elastic element 41 is integrally formed and formed into an annular spring sheet by bending. The free end 412 arches away from the moving platform 30, that is, arches further towards the limiting member 42. In this way, the free end 412 can form an arched structure. The arched structure can generate greater elastic deformation when subjected to force, thereby storing more energy. When the free end 412 abuts against the limiting member 42, it is equivalent to pre-applying compressive stress to the free end 412, so that it can withstand greater deformation in subsequent work, providing better resilience and the required elastic force, and clearer tactile feedback.

[0047] Considering that the first elastic member 41 can only abut against the corresponding limiting member 42 after the moving platform 30 has moved, and only then can the knob 1 have the corresponding function, in order to ensure that the knob 1 continues to be in this functional state, in one embodiment of this application, please refer to... Figure 2 The knob 1 also includes a locking element 50, which is connected to the moving platform 30 and the base 10, and is used to lock the moving platform 30 after it is moved along the first axis MM to a predetermined position.

[0048] When multiple limiting members 42, including the first limiting member 422 and the second limiting member 423, move the moving platform 30 to the first position, and the locking member 50 locks the moving platform 30 at this position, causing the first limiting member 422 to abut against the first elastic member 41. When the moving platform 30 moves to the second position, the locking member 50 locks the moving platform 30 at this position, causing the second limiting member 423 to abut against the first elastic member 41. Through the locking action of the locking member 50, the moving platform 30 cannot move axially arbitrarily after being locked, avoiding sudden shift of the damping gear due to accidental contact, equipment vibration, or accidental collision during use.

[0049] The following will combine Figures 7 to 10 The relative positional relationship between the locking element 50 and the moving platform 30 will be further explained.

[0050] One end of the locking member 50 is rotatably connected to one of the moving stage 30 and the base 10. The other of the moving stage 30 and the base 10 is provided with a track groove 31. The other end of the locking member 50 is located in the track groove 31 and can move within the track groove 31. The track groove 31 has multiple locking positions. When the locking member 50 is locked in different locking positions, the first elastic member 41 abuts against different sets of limiting members 42.

[0051] The locking component 50, by rotating to engage with the locking position of the track groove 31, has a larger contact area and a more secure positioning, effectively resisting equipment vibration, accidental collisions, or loosening after long-term use. Furthermore, when the locking component 50 moves along the track groove 31, the rotating connection reduces sliding friction, resulting in smoother movement. The rotating connection structure of the locking part 50 is simple. The track groove 31 can be directly formed in the injection mold of the base 10 or the moving table 30 without the need for additional complex parts. Moreover, the overall structure does not occupy too much axial or radial space, which is conducive to the miniaturization design of the entire knob 1.

[0052] The multiple locking positions include a first locking position A1 and a second locking position A2. The track groove 31 includes a first groove segment 31a and a second groove segment 31b. The first groove segment 31a and the second groove segment 31b are connected end to end. The first locking position A1 and the second locking position A2 are formed between the first groove segment 31a and the second groove segment 31b. The first locking position A1 is farther away from the base 10 than the second locking position A2. When the multiple sets of limiting members 42 include a first limiting member 422 and a second limiting member 423, the first limiting member 422 is further away from the base 10 than the second limiting member 423; Thus, when the moving stage 30 moves relative to the base 10 along the first axis MM and switches from the first limiting member 422 to the second limiting member 423 contacting the elastic member, the locking member 50 moves in the first groove 31a and locks in the first locking position A1, so as to lock the moving stage 30 relative to the base 10 in contact with the second limiting member 423 and the first elastic member 41. When the moving stage 30 moves relative to the base 10 along the first axis MM, and the second limiting member 423 switches to the first limiting member 422 contacting the elastic member, the locking member 50 moves in the second groove 31b and locks in the second locking position A2, so as to lock the moving stage 30 relative to the base 10 in contact with the first limiting member 422 and the first elastic member 41.

[0053] That is, the axial movement of the moving stage 30 not only switched the damping (replacing the limiting member 42 that contacts the first elastic member 41), but also simultaneously drove the locking member 50 to move in the track groove 31, and automatically locked in the corresponding locking position when it reached the end point, ensuring the high synchronization between state switching and position locking.

[0054] The entire track groove 31 is directly machined on the moving table 30 without the need for additional bulky components. The locking component 50 can achieve effective locking by simply swinging or moving within a small range in a plane. The small range of motion of the locking component 50 makes it very suitable for placement inside the space-constrained knob 1, and it also helps to miniaturize the entire knob 1.

[0055] The following will continue to combine Figure 8 as well as Figure 9The movement trajectory of the locking member 50 in the first groove segment 31a is divided into three parts: the first groove segment 31a includes a first pressing segment 31a1, a second pressing segment 31a2, and a first retraction segment 31a3, which are distributed sequentially along the movement trajectory of the locking member 50. A first retraction position A3 is formed between the second pressing segment 31a2 and the first retraction segment 31a3. The first retraction position A3 is further away from the base 10 than the first locking position A1.

[0056] by Figure 6 The orientation shown is for reference. The first pressing section 31a1 extends to the upper right, while the second pressing section 31a2 extends to the upper left, and the first retraction section 31a3 extends to the lower left. In this way, the first locking position A1 and the second locking position A2 can be roughly distributed along the first axis MM. This ensures that when the locking member 50 is in the first locking position A1 and the second locking position A2, the locking member 50 hardly shifts relative to the first axis MM, thereby ensuring the force balance of the moving table 30.

[0057] When the locking member 50 is initially in the second locked position A2, when the moving platform 30 is pressed, it is limited by the first groove segment 31a. The locking member 50 passes through the first pressing segment 31a1 and the second pressing segment 31a2 in the first groove segment 31a until it reaches the first retraction position A3. In the first retraction position A3, it is limited by the side wall of the first groove segment 31a, and the moving platform 30 cannot continue to descend. At this time, the moving platform 30 is no longer pressed, and the moving platform 30 begins to reset. That is, when the locking member 50 is in A3, at least a part of the second end of the locking member 50 is located in the first retraction segment 31a3. The second end of the locking member 50 is the end connected to the moving platform 30, that is, the end of the locking member 50 that extends into the track groove 31. Correspondingly, the locking member 50 also has a first end, which is located at the end of the locking member 50 connected to the base.

[0058] The first retraction section 31a3 has a first inner sidewall 31a31 and a first outer sidewall 31a32 spaced along the first axis MM. The end of the first outer sidewall 31a32 away from the first locking position A1 is closer to the first locking position A1 than the end of the first inner sidewall 31a31 away from the first locking position A1. That is, when the locking member 50 is in the first retraction position A3, such as Figure 9 As shown, a larger portion of the locking member 50 is located directly above the first inner wall 31a31. When the moving platform 30 moves upward, the locking member 50 will fall onto the first inner wall 31a31 under the action of gravity and slide into the first locking position A1 along the first inner wall 31a31. In this way, the switching of the moving platform 30 from the first position to the second position is completed.

[0059] It is understandable that the cross-section of the second end of the locking member 50 can be in various shapes such as rhombus or circle, but is generally preferred to be circular, which can ensure the smoothness of the movement of the locking member 50 in the track groove 31. Correspondingly, the center of the circular cross-section of the second end of the locking member 50 is located between the two ends of the first inner sidewall 31a31, so that more of the locking member 50 is located directly above the first inner sidewall 31a31.

[0060] Since the moving platform 30 needs to switch between the first position and the second position to switch the function of the knob 1, when the locking member 50 is in the first locking position A1 and then switches the function of the knob 1, the locking member 50 also needs to be reset from the first locking position A1 to the second locking position A2. However, in the first retraction section 31a3, the end of the first outer side wall 31a32 that is far from the first locking position A1 is closer to the first locking position A1 than the end of the first inner side wall 31a31 that is far from the first locking position A1. Therefore, when resetting from the first groove section 31a, it will be limited by the first inner side wall 31a31 and will retract to the first locking position A1, making it difficult to retract to the second locking position A2. Therefore, when the locking member 50 is reset from the first locking position A1 to the second locking position A2, it is reset from the second groove section 31b.

[0061] Specifically, please combine Figure 10 as well as Figure 11 The second groove section 31b includes a third pressing section 31b1, a second retraction section 31b2 and a third retraction section 31b3 distributed sequentially along the movement trajectory of the locking member 50. A second retraction position A4 is formed between the third pressing section 31b1 and the second retraction section 31b2. The second retraction position A4 is further away from the base 10 than the first locking position A1.

[0062] by Figure 9 The orientation shown is for reference. The third pressing section 31b1 extends to the upper left, the second retraction section 31b2 extends to the lower left, and the third retraction section 31b3 extends to the lower right, thereby effectively guiding the locking member 50 from the second locking position A2 back to the first locking position A1.

[0063] The third pressing section 31b1 has a second inner wall 31b11 and a second outer wall 31b12 spaced along the first axis MM. The end of the second outer wall 31b12 away from the second retraction position A4 is closer to the second retraction position A4 than the end of the second inner wall 31b11 away from the first locking position A1. The end of the second inner wall 31b11 away from the first locking position A1 is closer to the first locking position A1 than the end of the second outer wall 31b12 away from the first locking position A1.

[0064] Thus, when the moving platform 30 is pressed again, the locking member 50 will first contact the second outer wall 31b12. Guided by the second outer wall 31b12, the locking member 50 enters the second retraction position A4. At this time, due to the limitation of the second outer wall 31b12, the moving platform 30 is difficult to descend, giving the user feedback that the pressing is in place. When the locking member 50 is in the second retraction position A4, more of the locking member 50 is directly opposite the entrance part of the second retraction section 31b2. Thus, when the moving platform 30 moves upward, the locking member 50 will enter the second retraction section 31b2 through the entrance, and then move to the second locking position A2 through the third retraction section 31b3, thereby completing the switching of the position of the moving platform 30.

[0065] It should be understood that, in this embodiment, the entire trajectory groove 31 is a heart-shaped annular groove. The annular groove has an inner wall and an outer wall that are spaced apart. The inner wall is recessed towards the base 10, forming a first locking position A1, and the outer wall is recessed towards the base 10, forming a second locking position A2. To ensure that the locking member 50 moves along the first groove segment 31a after pressing the moving stage 30 when in the second locking position A2, thereby ensuring that the locking member 50 moves along a preset trajectory within the trajectory groove 31, the inner wall protrudes towards the base 10, forming a guide surface 31c. Figures 8 to 11 As shown, the guide surface 31c is directly opposite the second locking position A2, and the guide surface 31c extends towards the first groove section 31a. Thus, when the moving table 30 is pressed, the locking member 50 can first abut against the guide surface 31c and enter the first groove section 31a through the guide surface 31c.

[0066] Please continue reading. Figure 2 as well as Figure 4 and Figure 5 In one embodiment of this application, the knob 1 further includes a second elastic element 60. The two ends of the second elastic element 60 are respectively connected to the moving platform 30 and the base 10. When the locking member 50 is in the second locking position A2, the second elastic element 60 is in the initial state. When the locking member 50 is in the first retraction position A3, the second elastic element 60 is in the first deformation state. When the locking member 50 is in the first locking position A1, the second elastic element 60 is in the second deformation state. When the locking member 50 is in the second retraction position A4, the second elastic element 60 is in the third deformation state. The degree of deformation of the second elastic element 60 in the first deformation state and the third deformation state is greater than the degree of deformation in the second deformation state.

[0067] When the locking member 50 is in the second locking position A2, the second elastic member 60 is usually not compressed or has very little deformation, and the moving stage 30 is in a well-defined stable mode, that is, the second elastic member 60 can provide the moving stage 30 with a stable reference point.

[0068] When the locking member 50 is in the first retraction position A3, the second elastic member 60 is in the first deformation state. At this time, the deformation is large and a lot of elastic potential energy is stored, which prepares for the locking member 50 to move to the first locking position A1 and provide a rebound force. When the locking member 50 is in the first locking position A1, the deformation of the second elastic member 60 is less than that of the first and third deformation states. In this position, the second elastic member 60 may be in a relatively stable state, which helps to maintain the locking state stably.

[0069] When the locking member 50 is in the second retraction position A4, it has a large deformation, similar to the first deformation state. Its stored elastic potential energy can provide the necessary auxiliary driving force or tactile feedback for the locking member 50 to return to the second locking position A2.

[0070] In this embodiment, the elastic force of the second elastic member 60 enables the locking member 50 to be stably positioned in the first locking position A1 and the second locking position A2, thereby ensuring that the moving platform 30 is stably positioned in the first and second positions, and thus ensuring the stability of the knob 1 in a certain function.

[0071] It is understood that the second elastic element 60 can be a spring, rubber or other elastic structure. In the embodiments of this application, the second elastic element 60 is preferably a spring. Using a spring can reduce costs and improve installation efficiency.

[0072] Please continue reading. Figure 4 and Figure 5 In one embodiment of this application, the rotating member 20 can move axially relative to the base 10 along the first axis MM direction. The knob 1 also includes a third elastic member 70. The two ends of the third elastic member 70 are respectively connected to the base 10 and the rotating member 20. When the rotating member 20 is subjected to an external force and approaches the base 10, it undergoes elastic deformation so that the rotating member 20 can be reset to the initial position under the action of elastic restoring force.

[0073] That is, the rotating member 20 moves relative to the base 10 in the direction of the first axis MM, which can push the moving platform 30 to move relative to the base 10 in the direction of the first axis MM. The rotating member 20 can be restored to the initial position under the restoring force of the third elastic member 70. The third elastic member 70 can also be a spring, rubber or other elastic structure.

[0074] Define the third elastic element 70 in the initial state, the moving platform 30 is in the initial position (first position), and the first elastic element 41 and the first limiting element 422 are in corresponding contact. At this time, the moving platform 30 and the rotating element 20 are in contact in the extension direction of the first axis MM. When the rotating element 20 is pressed, the rotating element 20 can push the moving platform 30 from the first position to the second position, and the third elastic element 70 is compressed and deformed. Under the action of the restoring force of the third elastic element 70, the rotating element 20 returns to the initial position. At this time, the moving platform 30 is still in the second position, and the first elastic element 41 and the second limiting element 423 are in corresponding contact.

[0075] With the knob 1 having a locking element 50 and a second elastic element 60, if the moving platform 30 is to move from the second position back to the first position, the rotating element 20 is pressed until it contacts the moving platform 30 and moves the moving platform 30 toward the base 10 until the locking element 50 moves from the first locking position A1 to the second retracting position A4. At this time, the rotating element 20 is released, and the rotating element 20 returns to its initial position under the restoring force of the third elastic element 70. The moving platform 30 also returns to the first position from the second position under the action of the second elastic element 60. At this time, the first elastic element 41 abuts against the first limiting element 422.

[0076] The third elastic element 70 ensures that the rotating component 20 automatically and accurately returns to its initial position after operation. Users do not need to manually pull the rotating component 20 back, making operation more convenient and smoother. In the non-operating state, the preload of the third elastic element 70 helps maintain the stability of the rotating component 20's position, thereby keeping the knob 1 in the current function mode and preventing accidental switching due to slight vibration or accidental touch.

[0077] Furthermore, the moving platform 30 is directly driven by the rotating component 20, resulting in a short and direct force transmission path, high efficiency, and timely response. There is no need to set up other structures to drive the lifting and lowering of the moving platform 30, making the operation more convenient and intuitive.

[0078] In one embodiment of this application, please refer to Figure 2 as well as Figure 4 and Figure 5 The knob 1 also includes a movable shaft 80, which passes through the movable platform 30. One end of the movable shaft 80 is connected to the rotating member 20, and the other end is movably connected to the base 10. One end of the third elastic member 70 is connected to the movable shaft 80 and acts on the rotating member 20 through the movable shaft 80.

[0079] When the rotating part 20 is pressed, the movement of the rotating part 20 is directly and precisely transmitted to the moving platform 30 through the movable shaft 80, causing the moving platform 30 to move along the extension direction of the first axis MM. The axial movement of the moving platform 30 drives the first elastic element 41 on it to cooperate with different sets of limiting elements 42 on the rotating part 20 to realize the switching of functions. Different functions correspond to different damping feel. During the movement of the moving platform 30, the third elastic element 70 is compressed and stores elastic potential energy. After the user releases the operation, the third elastic element 70 releases energy and pushes the rotating part 20 to automatically return to the initial position through the movable shaft 80.

[0080] The axis of the movable shaft 80 is the first axis MM. Furthermore, since the movable shaft 80 passes through the moving platform 30, when the rotating part 20 is pressed, the movable shaft 80 can provide precise guidance for the axial movement of the moving platform 30 and the rotating part 20, ensuring smooth and stable movement, avoiding jamming or shaking, and improving the feel.

[0081] In addition, the rotating part 20 and the base 10 are connected by the movable shaft 80, so that the driving of the rotating part 20, the movement of the moving platform 30 and the support of the base 10 are all integrated on the same axis, thereby saving radial space and making the entire knob 1 structure very compact, which is conducive to the miniaturization and lightweight design of the entire knob 1.

[0082] Furthermore, to improve the stability of the moving stage 30 during the rotation of the rotating component 20, please refer to [reference needed]. Figure 2 as well as Figure 6 In one embodiment of this application, one of the mobile stage 30 and the base 10 is provided with a guide portion 11, and the other is provided with a guide groove 33. The guide portion 11 and the guide groove 33 are movably engaged, and the guide groove 33 extends along the extension direction of the first axis MM.

[0083] Multiple guide grooves 33 can be provided, and correspondingly, multiple guide parts 11 can also be provided. When the guide grooves 33 are provided on the moving table 30, the multiple guide grooves 33 are spaced apart along the circumference of the moving table 30. Through the movable cooperation between the guide parts 11 and the guide grooves 33, it is ensured that the moving table 30 moves strictly along the predetermined first axis MM direction, and it is difficult for horizontal deviation, tilting or rotation around the axis to occur. This is beneficial to ensure the accuracy and consistency of the switching of the first elastic member 41 with different sets of limit members 42.

[0084] In addition, the cooperation between the guide section 11 and the guide groove 33 provides a clear physical reference for the assembly of the moving stage 30 and the base 10, simplifies the assembly process, and ensures the initial positioning accuracy.

[0085] It can be understood that the knob 1 can be used as a wireless knob 1 or a wired knob 1. In one embodiment of this application, the knob 1 is used as a wireless knob 1 for exemplary description.

[0086] The Wireless Knob 1 requires no wiring, uses wireless technology for connection, is flexible to install without damaging existing decorations, and can be placed anywhere convenient for operation, such as on a desktop, freeing you from the constraints of cables and making it more versatile for various usage scenarios.

[0087] When used as wireless knob 1, please refer to Figure 12 The entire knob 1 also includes an angle sensor, a main control board 13, and a wireless communication module. The angle sensor, the main control board 13, and the wireless communication module are all mounted on the base 10, and the angle sensor and the wireless communication module are electrically connected to the main control board 13.

[0088] The angle sensor can be an electronic device that can record the rotation of the knob, such as a potentiometer, Hall effect sensor, photoelectric sensor, or rotary encoder. The wireless communication module can be a Bluetooth module, a WIFI module, or a 4G / 5G module. In this embodiment, the angle sensor is a rotary encoder and the wireless communication module is a Bluetooth module for illustrative purposes.

[0089] The rotary encoder generates digital pulse signals representing the rotation direction and number of steps, and transmits the signals to the main control board 13. The main control board 13 interprets the action commands (such as "increase volume by 10%" or "brighten the lights") and sends them out via the wireless communication module. The controlled device (such as a speaker or smart light) has a built-in corresponding wireless receiving module and main controller. The wireless receiving module demodulates the radio waves and obtains the command data. The main controller adjusts the corresponding parameters according to the command.

[0090] In addition, the function of knob 1 can be switched by pressing the rotating part 20 to trigger an independent micro switch. After the main control board 13 detects this signal, it will change the current working mode (for example, from "volume mode" to "light mode").

[0091] In one embodiment of this application, please refer to... Figure 11 The knob 1 may also include a vibration motor 12 (also known as a linear motor). The vibration motor 12 is connected to the main control board 13. When the rotating part 20 rotates, the vibration motor 12 can vibrate to simulate a realistic physical texture and feel, such as simulating the effect of a roller continuously rolling due to inertia when rotating quickly, and also simulating the rebound feel when pressed or rotated to the limit, as well as simulating the "hitting the wall" feeling when adjusted to the maximum or minimum value.

[0092] Based on the embodiments of this application, there are electrical structures such as a vibration motor 12, a rotary encoder, and a main control board 13. Therefore, the knob 1 may also include a battery assembly 14, which is used to supply power to the aforementioned electrical structures. In order to recharge the battery assembly 14, in one embodiment of this application, the base 10 is also provided with a charging contact 15. The charging contact 15 can cooperate with an external charging terminal to charge the battery assembly 14. Specifically, the charging contact 15 is located at the bottom of the base 10.

[0093] The charging contacts 15 on the base 10 are typically two or more metal conductors, such as copper foil or gold-plated spring pins. When the knob 1 is placed on the dedicated charging base, the charging contacts 15 precisely align and make contact with the corresponding electrodes on the charging base. In this way, an external power source can charge the battery inside the knob 1 through the contacts.

[0094] When the knob 1 is a wireless knob 1, it is not restricted by position and the layout is more flexible. In order to improve the quick installation of the knob 1 into the pre-placed position, in one embodiment of this application, a magnetic attraction component 16 is also provided at the bottom of the base 10. Typically, a permanent magnet such as a neodymium iron boron strong magnet or a ring magnet is embedded in the bottom of the base 10. The matching device or the object to be attracted needs to have a magnetically attractable material, such as an iron sheet or other magnets. When the two are close together, the opposite poles generate a strong attraction force, thereby firmly connecting them. Since it no longer relies on screws or complex buckles, the user can flexibly arrange the position of the knob 1 as desired.

[0095] In one embodiment of this application, an electronic device is also provided. The electronic device includes the knob 1 mentioned above. Since the electronic device 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, which will not be described in detail here.

[0096] Among them, electronic devices can be household appliances, such as ovens used to adjust temperature, with multi-level damping feedback allowing for quick setting of approximate temperature and fine-tuning of precise temperature control; or they can be audio equipment, with multi-level damping feedback allowing for quick adjustment of volume and precise fine-tuning of sound quality.

[0097] Electronic devices can also be smart terminals, such as smart lights, with multi-level damping feedback that corresponds to light brightness and color temperature. It is understandable that electronic devices can also be other existing electronic devices that require operational precision and tactile feel, which will not be discussed in detail here.

[0098] The above-disclosed embodiments are merely preferred embodiments of this application and should not be construed as limiting the scope of this application. Therefore, any equivalent variations made in accordance with the claims of this application shall still fall within the scope of this application.

Claims

1. A knob, characterized in that, include: Base; A rotating component is rotatably connected to the base along a first axis, wherein the first axis is the rotation axis of the rotating component relative to the base; The movable platform moves axially relative to the base along the first axis direction under the action of an external force; The damping structure includes a first elastic member fixed to one of the rotating member and the moving platform, and multiple sets of limiting members fixed to the other. The multiple sets of limiting members are distributed along the first axis direction. When the moving platform is in different axial positions, the first elastic member cooperates with different sets of limiting members to achieve multi-level damping feedback.

2. The knob according to claim 1, characterized in that, The multiple sets of limiting components include a first limiting component and a second limiting component; the moving platform can move between a first position and a second position in the direction of the first axis, respectively cooperating with the first limiting component and the second limiting component to achieve two levels of damping feedback.

3. The knob according to claim 1, characterized in that, Each set of limiting members includes a plurality of limiting protrusions circumferentially distributed around the first axis and a limiting groove located between two adjacent limiting protrusions, wherein the limiting groove of one set of limiting members is connected to the limiting groove of the adjacent set of limiting members.

4. The knob according to claim 3, characterized in that, Different sets of limiting components have different structural settings, including at least one of the following: the distance between the limiting protrusion and the first axis, the depth of the limiting groove, and the cross-sectional shape of the limiting protrusion.

5. The knob according to claim 1, characterized in that, The inner wall of the rotating component is connected to the plurality of limiting components, and the first elastic component is connected to the moving platform. The first elastic component is used to cooperate with the limiting components to generate damping feedback when the rotating component rotates.

6. The knob according to claim 5, characterized in that, The first elastic element includes a spring sheet, which includes a mounting portion and a free end. The mounting portion is fixedly mounted on the moving platform, and the free end abuts against one of the limiting elements.

7. The knob according to claim 1, characterized in that, The knob also includes: A locking element, which connects the movable platform and the base, is used to lock the movable platform after it has been moved along the first axis to a predetermined position.

8. The knob according to claim 7, characterized in that, One end of the locking member is rotatably connected to one of the moving platform and the base. The other of the moving platform and the base is provided with a track groove. The other end of the locking member is located in the track groove and can move within the track groove. The track groove has multiple locking positions. When the locking member is locked in different locking positions, the first elastic member abuts against different sets of limiting members.

9. The knob according to claim 8, characterized in that, The plurality of locking positions includes a first locking position and a second locking position. The track groove includes a first groove segment and a second groove segment. The first groove segment and the second groove segment are connected end to end. The first groove segment and the second groove segment form a first locking position and a second locking position. The first locking position is farther away from the base than the second locking position.

10. The knob according to claim 1, characterized in that, The rotating component can move axially relative to the base along the first axis direction, and the knob further includes: The third elastic element has its two ends connected to the base and the rotating element, respectively. When the rotating element is subjected to an external force and approaches the base, it undergoes elastic deformation so that the rotating element can be reset to its initial position under the action of elastic restoring force.

11. The knob according to claim 10, characterized in that, The knob also includes: A movable shaft passes through the movable platform, with one end of the movable shaft connected to the rotating component and the other end movably connected to the base. One end of the third elastic component is connected to the movable shaft and acts on the rotating component via the movable shaft.

12. The knob according to claim 1, characterized in that, One of the mobile platform and the base is provided with a guide portion, and the other is provided with a guide groove. The guide portion and the guide groove are movably engaged, and the guide groove extends along the first axis.

13. The knob according to claim 1, characterized in that, The base is equipped with a magnetic suction component at its bottom; And / or, the base is provided with charging contacts.

14. The knob according to claim 1, characterized in that, The base is equipped with a main control board, a corner sensor, and a wireless communication module. The corner sensor and the wireless communication module are both electrically connected to the main control board.

15. An electronic device, characterized in that, Includes the knob as described in any one of claims 1-14.

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