Smart ring

Abstract

This utility model relates to the field of wearable devices, and particularly to a smart ring. The smart ring includes an outer shell and an inner shell, which are connected and enclose to form a wearing hole. The wearing hole is configured to allow a finger to pass through so that the smart ring can be worn on the finger. The inner peripheral wall of the inner shell has at least one pair of anti-rotation groups, each pair of anti-rotation groups including two anti-rotation angles. The at least two anti-rotation angles are spaced apart along the circumferential direction of the inner shell, and the two anti-rotation angles are configured together to prevent the smart ring from rotating on the finger. The main objective of this utility model is to provide a smart ring that reduces the likelihood of the smart ring rotating on the finger.

Description

Technical Field

[0001] This utility model relates to the field of wearable devices, and in particular to a smart ring. Background Technology

[0002] Smart rings achieve diverse functions by integrating various electronic modules. For example, to acquire physiological characteristics such as heart rate and blood oxygenation, these devices typically incorporate a PPG module; while to enable airborne human-computer interaction with mobile terminals such as tablets and laptops, components such as microprocessors and inertial sensors are required. These electronic modules work in conjunction with antennas to complete the information exchange process.

[0003] To enhance the information exchange capabilities of smart rings, developers typically pre-determine the antenna's position within the device and then optimize it through multiple experiments to ultimately determine the optimal antenna layout. Additionally, to fit the human finger, smart rings generally employ a ring-shaped design to ensure a close fit between the device and the finger.

[0004] However, this conventional design aimed at a snug fit has potential problems: when the smart ring is subjected to external force or the finger moves, the smart ring will rotate relative to the finger, causing a change in the relative position of the antenna and the finger. This change will directly cause a change in the antenna's directivity, resulting in a decrease in the smart ring's information exchange capability and a deterioration in stability, which may ultimately lead to adverse consequences such as data transmission interruption and reduced sensitivity of gesture commands. Utility Model Content

[0005] The main purpose of this invention is to provide a smart ring that reduces the rotation of the smart ring on the finger.

[0006] To address the aforementioned issues, the smart ring includes an outer shell and an inner shell, which are connected and enclose to form a wearing hole. The wearing hole is configured to allow a finger to pass through so that the smart ring can be worn on the finger. The inner peripheral wall of the inner shell has at least one pair of anti-rotation groups, each pair of anti-rotation groups including two anti-rotation angles. At least two of the anti-rotation angles are spaced apart along the circumferential direction of the inner shell, and the two anti-rotation angles are configured together to prevent the smart ring from rotating on the finger.

[0007] In one embodiment of the present invention, the inner peripheral wall of the inner shell includes at least one anti-rotation wall and at least one arc-shaped fitting wall. Both ends of each anti-rotation wall are connected to the end of the arc-shaped fitting wall, and the connection between the end of each anti-rotation wall and the end of each arc-shaped fitting wall is an anti-rotation angle.

[0008] Wherein, the distance from each end of the anti-rotation wall to the center of the wearing hole is L1, the distance from the section of the anti-rotation wall between the two ends to the center of the wearing hole is L2, and the distance from the arc-shaped fitting wall to the center of the wearing hole is L3, where L1 equals L3 and L2 is less than L1.

[0009] In one embodiment of this utility model, the anti-rotation wall is a straight section, and the arc-shaped fitting wall is an arc-shaped section;

[0010] One of the anti-rotation walls is configured to abut against the fingertip of the finger.

[0011] In one embodiment of the present invention, the outer peripheral wall of the outer shell is provided with at least one shell thinning surface, the distance from both ends of the shell thinning surface to the center of the wearing hole is L4, the distance from the section of the shell thinning surface between the two ends to the center of the wearing hole is L5, and L5 is less than L4;

[0012] The thinned surface of the shell is configured to abut against the side of the finger.

[0013] In one embodiment of the present invention, the outer peripheral wall of the outer shell is provided with two shell thinning surfaces, and the two shell thinning surfaces are symmetrically arranged along the diameter direction of the wearing hole.

[0014] In one embodiment of this utility model, each of the shell thinning surfaces is a straight surface.

[0015] In one embodiment of the present invention, the outer peripheral wall of the outer shell is provided with a wearing indicator, and the center of the wearing indicator is arranged in a corresponding manner to the center of one of the anti-rotation walls along the diameter direction of the wearing hole.

[0016] In one embodiment of the present invention, the extending direction of the shell thinning surface is perpendicular to the extending direction of at least one of the anti-rotation walls.

[0017] In one embodiment of this utility model, the wearing indicator is a groove structure.

[0018] In one embodiment of this utility model, the length of the anti-rotation wall is L6, where 3.00mm ≤ L6 ≤ 7.00mm; and / or,

[0019] The distance from the center of the anti-rotation wall along the diameter of the wearing hole to the outer peripheral wall of the outer shell is T1, where 2.00mm ≤ T1 ≤ 3.00mm; and / or

[0020] The distance from the thinned surface of the outer shell to the inner shell (20) is T2, 0.08mm≤T2≤1.80mm; and / or

[0021] The length of the thinned surface of the shell is L7, 3.00mm≤L7≤7.00mm.

[0022] In this invention, the smart ring uses an outer shell and an inner shell to form a wearing hole for the finger to pass through. At least one pair of anti-rotation groups are provided on the inner circumferential wall of the inner shell, each pair containing two anti-rotation angles spaced apart circumferentially. When the smart ring is worn on the finger, these raised anti-rotation angles slightly embed or press against the soft tissue of the finger, forming a localized high-pressure stress area. When the ring is subjected to external force or the finger's movement causes a tendency to rotate, this rotational tendency is first blocked by one of the anti-rotation angles. The anti-rotation angle concentrates the rotational force on a small area of ​​the finger skin, greatly increasing the local frictional resistance, thereby generating a counter-torque against rotation. Simultaneously, because the anti-rotation angles are discretely distributed rather than continuously, any slight rotation of the ring will cause the force point to shift from one anti-rotation angle to another. This structural obstruction prevents the ring from continuous, free circular rotation, thus firmly "locking" it in a specific circumferential position on the finger, effectively preventing accidental rotation of the smart ring on the finger. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0024] Figure 1 A schematic diagram of the structure of the first embodiment of the smart ring provided by this utility model;

[0025] Figure 2 A schematic diagram of the anti-rotation wall structure of the smart ring provided by this utility model;

[0026] Figure 3 A schematic diagram of the structure of the first embodiment of the anti-rotation wall provided by this utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the second embodiment of the anti-rotation wall provided by this utility model;

[0028] Figure 5 A schematic diagram of the structure of the first embodiment of the shell thinning surface provided by this utility model;

[0029] Figure 6 A schematic diagram of the structure of the second embodiment of the shell thinning surface provided by this utility model;

[0030] Figure 7A schematic diagram of the structure of a second embodiment of the smart ring provided by this utility model;

[0031] Figure 8 This is a dimensional schematic diagram of the first embodiment provided by this utility model.

[0032] Explanation of icon numbers:

[0033] 100. Smart ring; 100a. Wearing hole; 100b. Anti-rotation wall; 10. Outer shell; 11. Wearing indicator; 12. Thinned shell surface; 20. Inner shell; 21. Anti-rotation wall; 22. Curved fitting wall.

[0034] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0037] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of a person skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0038] The main purpose of this utility model is to provide a smart ring 100, which aims to reduce the rotation of the smart ring 100 on the finger.

[0039] To solve the above problems, the smart ring 100 includes an outer shell 10 and an inner shell 20. The outer shell 10 and the inner shell 20 are connected and enclosed to form a wearing hole 100a. The wearing hole 100a is configured to allow a finger to pass through so that the smart ring 100 can be worn on the finger. The inner peripheral wall of the inner shell 20 has at least one pair of anti-rotation groups. Each pair of anti-rotation groups includes two anti-rotation angles 100b. The at least two anti-rotation angles 100b are spaced apart along the circumferential direction of the inner shell 20. The two anti-rotation angles 100b are configured together to prevent the smart ring 100 from rotating on the finger.

[0040] The outer casing 10 is made of metal. The metal material not only provides a stable structural support for the electronic modules and other components inside the device, ensuring the overall strength and durability of the device, but also has good electrical and thermal conductivity, which can assist the signal transmission and heat dissipation of the device to a certain extent. At the same time, the outer casing 10 is treated with PVD (physical vapor deposition) process. This process can form a uniform, dense and strongly bonded film on the surface of the metal outer casing 10. This not only improves the wear resistance, corrosion resistance and oxidation resistance of the outer casing 10, extending the service life of the device, but also gives the outer casing 10 a variety of appearance effects, such as different colors and gloss levels, enhancing the aesthetics and texture of the device.

[0041] The inner shell 20 is connected to and encloses the outer shell 10 to form a wearing hole 100a, through which the user's finger can pass to securely wear the smart ring 100. The inner peripheral wall of the inner shell 20 has at least one pair of anti-rotation groups, each pair including two anti-rotation angles 100b. Each anti-rotation angle 100b can be composed of a straight surface and an arc surface, or two arc surfaces with different curvatures, which is not limited here. Thus, when the user wears the smart ring 100 proposed in this utility model, part of the finger structure is located at least between the two rotation angles. At the same time, the area between the outer skin and the bone of the finger is composed of soft tissue. When the user wears the smart ring 100, different positions of the finger can fully contact the two sides of the rotation angle. Simultaneously, the finger is squeezed by the inner shell 20, and part of the soft tissue of the finger is squeezed into the rotation angle, thereby forming a "high pressure point" at each anti-rotation angle 100b position in the inner shell 20. When the smart ring 100 is subjected to external force or the finger movement causes a rotation tendency, these high pressure points will significantly increase the local friction resistance and form The inner shell 20 has two anti-rotation angles 100b spaced apart along its circumferential direction. These angles work together to prevent the smart ring 100 from rotating on the finger, ensuring stable wear. Thus, regardless of whether the smart ring 100 has a forward or reverse rotation tendency, at least one anti-rotation angle 100b can prevent rotation. In another embodiment, the inner circumferential wall of the inner shell 20 has two anti-rotation angles 100b spaced apart. When the user wears the smart ring 100, the fingertip is positioned between the two anti-rotation angles 100b. Due to the abundance of soft tissue in the fingertip area, the pressure from the inner shell 20 during wear causes the soft tissue to fill the anti-rotation angles 100b, creating high-pressure points at these points. When the ring is subjected to rotation, these high-pressure points increase local frictional resistance and generate a reverse torque, effectively preventing the ring from rotating on the finger and ensuring stable wear.

[0042] In this invention, the smart ring 100 has a wearing hole 100a formed by the outer shell 10 and the inner shell 20, through which a finger passes. At least one pair of anti-rotation groups are provided on the inner peripheral wall of the inner shell 20, each pair containing two anti-rotation angles 100b spaced apart circumferentially. When the smart ring 100 is worn on a finger, these raised anti-rotation angles 100b slightly embed or press against the soft tissue of the finger, forming a localized high-pressure stress area. When the ring is subjected to external force or when finger movement causes a tendency to rotate, this rotational tendency is first blocked by one of the anti-rotation angles 100b. The anti-rotation angle 100b concentrates the rotational force onto a small area of ​​the finger skin, greatly increasing the local frictional resistance, thereby generating a counter-torque against rotation. Meanwhile, since the anti-rotation angle 100b is discretely distributed rather than continuously, any slight rotation of the ring will cause the force point to shift from one anti-rotation angle 100b to another. This structural obstacle prevents the ring from making continuous and free circumferential rotation, thus firmly "locking" it in a specific circumferential position on the finger, effectively preventing the smart ring 100 from accidentally rotating on the finger.

[0043] In some embodiments, the inner peripheral wall of the inner shell 20 includes at least one anti-rotation wall 21 and at least one arc-shaped fitting wall 22. Both ends of each anti-rotation wall 21 are connected to the ends of the arc-shaped fitting wall 22, and the junction between the end of each anti-rotation wall 21 and the end of each arc-shaped fitting wall 22 is an anti-rotation angle 100°b. (See also...) Figure 2 , Figure 2 Used to explain the nature of anti-angle 100b Figure 2 The shaded area in the diagram represents the collection of all anti-rotation walls 21. Therefore, in different embodiments, the anti-rotation wall 21 can be a wavy surface, an arc surface, or a combination of straight surfaces at both ends and arc surfaces between the two ends. It is sufficient to ensure that the distance from the two ends of each anti-rotation wall 21 to the center of the wearing hole 100a is L1, the distance from the segment of each anti-rotation wall 21 between the two ends to the center of the wearing hole 100a is L2, and the distance from each arc-shaped fitting wall 22 to the center of the wearing hole 100a is L3. The condition that L1 equals L3 and L2 is less than L1 is sufficient to ensure that the connection between the end of each anti-rotation wall 21 and the end of each arc-shaped fitting wall 22 is an anti-rotation angle 100b, thereby preventing the smart ring 100 from rotating.

[0044] Please see Figure 3 ,exist Figure 3In the illustrated embodiment, the anti-rotation wall 21 is an arc surface with a first curvature, and the arc-shaped fitting wall 22 is an arc surface with a second curvature. The first curvature is greater than the second curvature, that is, the bending degree of the anti-rotation wall 21 is steeper than that of the arc-shaped fitting wall 22. Since the distance from both ends of each anti-rotation wall 21 to the center of the wearing hole 100a is L1, the distance from the middle section to the center is L2, and the distance from the arc-shaped fitting wall 22 to the center is L3, and L1 = L3, L2 < L1 are satisfied. Therefore, a distinct geometric transition is formed at the junction of the anti-rotation wall 21 and the arc-shaped fitting wall 22, that is, the "anti-rotation angle 100b". When the user wears the smart ring 100, the finger soft tissue is squeezed by the inner shell 20 in the wearing hole 100a. In the area of the arc-shaped fitting wall 22, due to the smaller curvature and the relatively flat surface, a large-area fit is formed between the finger and the inner wall, providing a basic fixing force. In the area of the anti-rotation wall 21, due to the larger curvature and the steeper surface, the finger soft tissue is squeezed and concentrated towards the two anti-rotation angles 100b on both sides, forming high-pressure points. These high-pressure points significantly increase the local friction force and generate a reverse torque when the ring is subjected to an external force or a rotational tendency, thereby effectively preventing the smart ring 100 from rotating on the finger.

[0045] Please refer to Figure 4 , in Figure 4 the illustrated embodiment, the anti-rotation wall 21 is a straight section, and the arc-shaped fitting wall 22 is an arc section. Among them, the distance from both ends of the anti-rotation wall 21 to the center of the wearing hole 100a is L1, the distance from the middle section to the center is L2, and the distance from the arc-shaped fitting wall 22 to the center is L3, and L1 = L3, L2 < L1 are satisfied. Since the anti-rotation wall 21 is a straight section, a distinct geometric transition is formed at its junction with the arc-shaped fitting section, that is, the "anti-rotation angle 100b". When the user wears the smart ring 100, the finger soft tissue is squeezed by the inner shell 20 in the wearing hole 100a. In the area of the arc-shaped fitting section, due to the arc-shaped surface, a relatively smooth fit is formed between the finger and the inner wall, improving the wearing comfort. In the area of the straight section, due to the flat surface and the relatively close distance to the center, the finger soft tissue is squeezed and concentrated towards the two anti-rotation angles 100b on both sides, forming high-pressure points. These high-pressure points significantly increase the local friction force and generate a reverse torque when the ring is subjected to an external force or a rotational tendency, thereby effectively preventing the smart ring 100 from rotating on the finger; among them, one anti-rotation wall 21 is configured to abut against the finger pulp. This design utilizes the rich soft tissue and high sensitivity of the finger pulp, enhances the static friction force through geometric constraints and local pressure concentration, and forms a reverse torque when the ring is subjected to an external torque, thereby effectively suppressing rotation; at the same time, combined with another anti-rotation wall 21 to form a multi-point clamping structure, which not only improves the wearing stability and anti-rotation reliability, but also takes into account the user's wearing comfort and adaptability to different finger shapes, and finally solves a series of technical problems such as unstable antenna performance and sensor misjudgment caused by ring rotation, providing a key guarantee for the accurate operation of the smart ring 100 in scenarios such as air interaction and motion monitoring.

[0046] When the smart ring 100 is worn, the outer shell 10 of the smart ring 100 protrudes relative to the surface of the finger being worn. Taking the ring finger as an example, the sides of the little finger and index finger will simultaneously squeeze the outer shell 10 of the smart ring 100. Therefore, when wearing the smart ring 100, a gap will be created between the little finger, index finger and ring finger. At the same time, the outer shell 10 will squeeze the bones of the little finger and index finger, thus creating a feeling of wearing a foreign object.

[0047] To reduce the gaps between fingers and minimize the feeling of foreign objects when wearing the ring, the smart ring 100 of this invention has at least one shell thinning surface 12 on the outer peripheral wall of the outer shell 10. The distance from both ends of the shell thinning surface 12 to the center of the wearing hole 100a is L4, and the distance from the segment of the shell thinning surface 12 located between the two ends to the center of the wearing hole 100a is L5, where L5 is less than L4. The shell thinning surface 12 is configured to abut against the side of the finger. Please refer to [link / reference]. Figure 5 ,exist Figure 5 In the embodiment shown, the shell thinning surface 12 is a concave curved surface structure. The concave curved shell thinning surface 12 can reduce the thickness of the shell 10, thereby reducing the space between fingers. At the same time, the concave curved shell thinning surface 12 makes the side of the ring fit the natural contour of the finger more closely, allowing more soft tissue to contact the shell 10, thereby reducing the feeling of foreign objects when wearing it. The concave curved shell thinning surface 12 can increase the contact area and friction, and assist the anti-rotation structure to improve the stability of wearing the ring.

[0048] Please continue reading. Figure 5 The outer peripheral wall of the outer shell 10 is provided with two shell thinning surfaces 12. The two shell thinning surfaces 12 are symmetrically arranged along the diameter direction of the wearing hole 100a. Taking the ring finger as an example, the two symmetrical shell thinning surfaces 12 can respectively correspond to the sides of the little finger and index finger. When the fingers are naturally close together, the symmetrically distributed concave curved surfaces can simultaneously reduce the gap space between the ring finger and the little finger, and between the ring finger and the index finger, avoiding excessive separation between the fingers caused by the protrusion of the outer shell 10, making the overall posture of the hand more natural. From the perspective of optimizing the foreign body sensation, the two symmetrical shell thinning surfaces 12 simultaneously reduce the thickness of the two sides of the outer shell 10 through the concave curved surface structure, making the contact between the outer shell 10 and the bones of the little finger and index finger softer, while increasing the contact area with the soft tissue of the fingers on both sides, dispersing pressure, avoiding the discomfort caused by single-point pressure, and making the wearing experience more comfortable. In terms of anti-rotation assistance, the symmetrically arranged shell thinning surface 12 and the anti-rotation group of the inner shell 20 work together to form an additional friction force when the concave curved surfaces on both sides fit with the adjacent fingers. When the smart ring 100 has a tendency to rotate, this friction force will cooperate with the reverse torque formed by the anti-rotation angle 100b of the inner shell 20 to further restrict the circumferential movement of the ring from the outside of the outer shell 10 and improve the overall wearing stability.

[0049] In another embodiment, please refer to Figure 6 Each shell thinning surface 12 is a straight surface. This straight-surface structure allows for a more regular spatial arrangement between the shell thinning surface 12 and the inner shell 20 when reducing the thickness of the outer shell 10. It avoids localized narrowing due to variations in the curvature of the surface, providing ample layout space for the internal circuit board traces. This prevents problems such as compression, tangling, or short circuits caused by limited space, ensuring the stability and safety of the circuit connections. Furthermore, the processing technology for the straight-surface structure is relatively simple, which helps improve production efficiency and reduce manufacturing costs. It also allows for better integration with the overall structure of the metal shell 10, ensuring the structural strength of the shell 10 and balancing practicality and ease of production.

[0050] To provide users with the correct wearing orientation, a wearing indicator 11 is provided on the outer peripheral wall of the outer shell 10. In one embodiment, the outer shell 10 is manufactured using a two-color injection molding process, thus the outer shell 10 can be made of two different materials. When the user wears the ring, the different materials will produce different tactile feedback when the user's fingers come into contact with them. The user can then determine the specific location of the wearing indicator 11 based on the different tactile feedback, and thus correctly wear the smart ring 100 under the guidance of the wearing indicator 11. In another embodiment, the outer shell 10 is made of the same material, and two different colors are formed on the surface of the outer shell 10 through a surface treatment process. The areas, such as black and gold, with the more prominent gold area being the wearing indicator 11, allow the user to discern the specific location of the wearing indicator 11 through different visual feedback, thus enabling them to correctly wear the smart ring 100 under the guidance of the wearing indicator 11. Based on the above two embodiments, the center of the wearing indicator 11 is aligned with the center of an anti-rotation wall 21 along the diameter direction of the wearing hole 100a. The wearing indicator 11 helps the user quickly locate the correct wearing direction through tactile or visual feedback, ensuring that the anti-rotation wall 21 accurately corresponds to the fingertip (or a preset contact area). In one embodiment, please refer to... Figure 1 and Figure 8 With the straight line containing the second diameter as the dividing line, the wearing indicator 11 and the anti-rotation wall 21 are located on one side of the back of the finger and the other side of the fingertip, respectively. This arrangement provides users with clear guidance on the wearing direction. By sensing the position of the wearing indicator 11 on the back of the finger, the user can know that the anti-rotation wall 21 is on the fingertip side, thus accurately wearing the device and ensuring that the fingertip contacts the anti-rotation wall 21 and deforms, working in conjunction with the anti-rotation part to achieve stable anti-rotation. At the same time, this distribution method also provides more flexibility in the device structure design, meeting different usage scenarios and design requirements; in another embodiment, please refer to Figure 7 and Figure 8With the line containing the second diameter as the dividing line, the wearing indicator 11 and the anti-rotation wall 21 are located on the same side of the fingertip. The center of the wearing indicator 11 and the anti-rotation wall 21 are correspondingly set along the first diameter of the wearing hole 100a. This setting allows the user to quickly determine the position of the anti-rotation wall 21 after finding the wearing indicator 11 through tactile or visual feedback, ensuring that the anti-rotation wall 21 accurately corresponds to the fingertip, and ensuring that the fingertip contacts the anti-rotation wall 21 and deforms, thereby ensuring that the anti-rotation part plays a good anti-rotation role and improving the accuracy and convenience of wearing for the user.

[0051] In one embodiment of this invention, the extending direction of the shell thinning surface 12 is perpendicular to the extending direction of at least one anti-rotation wall 21. The wearing indicator 11 ensures that the user can quickly find the optimal wearing position, avoiding discomfort caused by the anti-rotation wall 21 contacting non-target areas (such as knuckles) due to incorrect wearing. The perpendicular extension of the shell thinning surface 12 and the anti-rotation wall 21 adapts to the natural physiological structure of the finger—the fingertip and back of the finger are the main dimensions of finger movement, and the extending direction of the anti-rotation wall 21 can better adapt to the deformation when the finger is bent. The shell thinning surface 12 extends along both sides to fit the natural physiological structure of the finger. The contours of the fingers when they are together reduce wasted space between the fingers. The combined effect of these three factors allows the smart ring 100 to be stable and prevent rotation while also ensuring a natural and convenient wearing experience. At the same time, when the user wears the smart ring 100100 proposed in this utility model, after clarifying the wearing direction through the wearing indicator 1111, the user's thumb and index finger can respectively contact a thinned surface 1212 of the shell to form a pinching and holding action. At this time, the fingertips of the thumb and index finger squeeze the thinned surface 1212 of the shell to generate a larger contact area, thereby reducing the local pressure and improving the comfort during operation.

[0052] In one embodiment of this utility model, please refer to Figure 1 The wearing indicator 11 has a recessed structure. In this case, the wearing indicator 11 is a recess formed directly on the outer peripheral wall of the outer shell 10, forming an integral structure with the shell 10 body. This makes it less prone to wear or fading due to long-term use, maintaining clear indication function for a long time and extending its service life. Simultaneously, the physical recessed feature of the groove can be directly perceived by touch, especially in scenarios where observation is difficult (such as in low light). The position of the indicator can be quickly located solely by touch during wear, without relying on vision, thus improving the accuracy of blind wearing. Based on the above, please refer to... Figure 1 and Figure 8 Using the second diameter of the wearing hole 100a as a boundary, if the wearing indicator 11 and the anti-rotation wall 21 are located on the same side and their centers correspond along the first diameter, the user can quickly find the corresponding position of the anti-rotation wall 21 by touching the wearing indicator 11, ensuring that the anti-rotation part functions accurately; please refer to Figure 7 and Figure 8With the second diameter of the wearing hole 100a as the boundary, the groove and the anti-rotation wall 21 are located on the back and fingertip sides respectively. When the user touches the groove on the back side of the finger, he can clearly see that the anti-rotation wall 21 is on the fingertip side, ensuring that the fingertip is in contact with the flat section and deformed.

[0053] In one embodiment of this utility model, please refer to Figure 8 The anti-rotation wall 21 has a length of L6, with a range of 3.00mm ≤ L6 ≤ 7.00mm. Considering the width of the fingers, this range is suitable for the fingertip width of most users, ensuring that the anti-rotation wall 2121 forms a sufficient contact area with the fingertip to guarantee the compression deformation effect and cooperate with the anti-rotation part to play its role. At the same time, this length is neither too short to make stable contact with the fingertip, nor too long to exceed the width of the fingers, avoiding obvious foreign body sensation caused by excessive contact with non-finger-pad areas of the fingers. This improves wearing comfort while ensuring the anti-rotation effect.

[0054] In one embodiment of this utility model, please refer to Figure 8 The distance from the center of the anti-rotation wall 21 along the diameter direction of the wearing hole 100a to the outer peripheral wall of the outer shell 10 is T1, where 2.00mm≤T1≤3.00mm. At this point, with the straight line of the second diameter as the dividing line, the wearing indicator 11 and the anti-rotation wall 21 are located on the same side of the fingertip. This distance range ensures that there is sufficient structural strength between the inner shell 20 and the outer shell 10 to stably support the components, and that the overall thickness of the device is not too large due to the distance, which would affect the wearing comfort. It also prevents the internal space from becoming cramped due to the distance, which would affect the arrangement of electronic modules and other components. Based on the distance T1, the anti-rotation wall 21 can better contact the fingertip and deform, thus improving the anti-rotation effect in conjunction with the anti-rotation part.

[0055] In one embodiment of this utility model, please refer to Figure 8The distance from the thinned outer shell 12 to the inner shell 20 is T2, where 0.08mm ≤ T2 ≤ 1.80mm. Thus, when a user wears the smart ring 100, the maximum gap between their fingers is T2. By strictly controlling this gap size, the feeling of foreign objects during wear can be effectively reduced. Specifically, if T2 is too small (less than 0.08mm), the space between the outer shell 10 and the inner shell 20 is too narrow, which may cause adjacent fingers to contact the device too tightly, resulting in a squeezing sensation, especially causing friction and discomfort during finger movements. If T2 is too large (greater than 1.80mm), the gap is too wide, increasing the overall thickness of the smart ring 100. This not only creates a noticeable "barrier" between the fingers but may also lead to unnecessary collisions with other objects during daily activities, affecting the naturalness of wearing the ring. The 0.08mm to 1.80mm range not only provides sufficient installation space for the internal structure of the device (such as electronic modules and connecting parts) to ensure the normal operation of the device, but also ensures that the contact between adjacent fingers and the device is in a "close but not squeezing" state, minimizing the feeling of foreign objects and improving the comfort of long-term wear. At the same time, it works in synergy with other structural designs of the inner shell 2020 and outer shell 10 (such as anti-rotation wall 21, anti-rotation part, etc.) to further optimize the user's wearing experience while ensuring the anti-rotation effect and structural stability.

[0056] In one embodiment of this utility model, please refer to Figure 8 The length of the thinned surface 12 of the shell is L7, 3.00mm≤L7≤7.00mm. From the perspective of wearing experience, the thinned surface 12 of the shell is between 3.00mm and 7.00mm in length, which can fit the width of the sides of most users' fingers. This ensures that the thinned surface 12 of the shell forms a sufficient contact area with the side of the finger. When the user moves their fingers, it avoids discomfort caused by excessive local pressure due to insufficient contact area. At the same time, this length will not exceed the range of the side of the finger, preventing unnecessary friction or squeezing with adjacent fingers due to excessive length, and further reducing the feeling of foreign objects.

[0057] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the inventive concept of this utility model and the contents of the specification and drawings of this utility model, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. A smart ring comprising a shell (10) and an inner shell (20), the shell (10) and the inner shell (20) being connected and enclosing to form a wearing hole (100a), the wearing hole (100a) being configured for a finger to pass through so that the smart ring is worn on a finger, characterized in that, The inner peripheral wall of the inner shell (20) has at least one pair of anti-rotation groups, each pair of anti-rotation groups including two anti-rotation angles (100b), at least two of the anti-rotation angles (100b) being spaced apart along the circumferential direction of the inner shell (20), and the two anti-rotation angles (100b) being configured together to prevent the smart ring from rotating on the finger.

2. The smart ring as described in claim 1, characterized in that, The inner peripheral wall of the inner shell (20) includes at least one anti-rotation wall (21) and at least one arc-shaped fitting wall (22). Both ends of each anti-rotation wall (21) are connected to the ends of the arc-shaped fitting wall (22). The connection between the end of each anti-rotation wall (21) and the end of each arc-shaped fitting wall (22) is an anti-rotation angle (100b). Wherein, the distance from both ends of each of the anti-rotation wall (21) to the center of the wearing hole (100a) is L1, the distance from the segment of each of the anti-rotation wall (21) located between the two ends to the center of the wearing hole (100a) is L2, and the distance from each of the arc-shaped fitting wall (22) to the center of the wearing hole (100a) is L3, L1 is equal to L3, and L2 is less than L1.

3. The smart ring as described in claim 2, characterized in that, The anti-rotation wall (21) is a straight section, and the arc-shaped fitting wall (22) is an arc section; One of the anti-rotation walls (21) is configured to abut against the fingertip of the finger.

4. The smart ring as described in any one of claims 2 or 3, characterized in that, The outer peripheral wall of the outer shell (10) is provided with at least one shell thinning surface (12), the distance from both ends of the shell thinning surface (12) to the center of the wearing hole (100a) is L4, the distance from the section of the shell thinning surface (12) between the two ends to the center of the wearing hole (100a) is L5, and L5 is less than L4; The shell thinning surface (12) is configured to abut against the side of the finger.

5. The smart ring as described in claim 3, characterized in that, The outer peripheral wall of the outer shell (10) is provided with two shell thinning surfaces (12), and the two shell thinning surfaces (12) are symmetrically arranged along the diameter direction of the wearing hole (100a).

6. The smart ring as described in claim 5, characterized in that, Each of the shell thinning surfaces (12) is a straight surface.

7. The smart ring as described in claim 4, characterized in that, The outer peripheral wall of the outer shell (10) is provided with a wearing indicator (11), and the center of the wearing indicator (11) is arranged in a corresponding manner to the center of one of the anti-rotation walls (21) along the diameter direction of the wearing hole (100a).

8. The smart ring as described in claim 7, characterized in that, The extending direction of the shell thinning surface (12) is perpendicular to the extending direction of at least one of the anti-rotation walls (21).

9. The smart ring as described in claim 4, characterized in that, The wearing indicator (11) has a groove structure.

10. The smart ring as described in claim 8, characterized in that, The length of the anti-rotation wall (21) is L6, 3.00mm≤L6≤7.00mm; and / or, The distance from the center of the anti-rotation wall (21) along the diameter direction of the wearing hole (100a) to the outer peripheral wall of the outer shell (10) is T1, where 2.00mm ≤ T1 ≤ 3.00mm; and / or The distance from the shell thinning surface (12) to the inner shell (20) is T2, 0.08mm≤T2≤1.80mm; and / or The length of the shell thinning surface (12) is L2, 3.00mm≤L7≤7.00mm.

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