A wearable device

Abstract

This utility model provides a wearable device, including: an outer frame, an inner frame, a main board, an adapter spring, and an adapter steel plate. The inner frame is mounted on the outer frame, the adapter steel plate is mounted on the inner frame, and the main board is mounted on the end of the inner frame away from the outer frame. The main board has an antenna feed point, the adapter steel plate abuts against the antenna feed point, and the adapter spring is mounted between the outer frame and the adapter steel plate, abutting against both the outer frame and the adapter steel plate. By having the adapter steel plate directly abut against the antenna feed point and the adapter spring connecting the outer frame and the adapter steel plate, this replaces the traditional POGOPIN structure, reducing the cost of conductive components, improving conductive stability and assembly efficiency. Furthermore, the use of adhesive sealing and waterproof adhesive design enhances waterproof performance, offering advantages such as reduced conductive component costs, improved conductive stability and assembly efficiency, and enhanced waterproof performance.

Description

Technical Field

[0001] This utility model relates to the field of 3C wearable device technology, and in particular to a wearable device. Background Technology

[0002] Currently, metal-clad wearable products face multiple technical challenges in the industry, including appearance, antenna performance, and waterproofing, while also needing to optimize assembly costs. Existing technologies typically use POGOPIN as an adapter to connect the motherboard antenna to the metal frame in wearable products. However, this solution has several disadvantages.

[0003] First, the POGOPIN's main structure consists of three connected sections, linked by an internal spring. Its conductivity depends on the gold plating of the pin shaft and outer tube, resulting in high manufacturing costs. Second, POGOPIN assembly requires manual operation, leading to inconsistent conductivity and directly impacting antenna performance stability. Furthermore, the POGOPIN's point contact is not durable; prolonged use causes oxidation and instability, affecting user experience and product quality. While conventional designs use POGOPINs for conductivity and waterproofing, their brass material and complex structure require two sets of molds for the pin and outer tube, along with gold plating to ensure conductivity stability, further increasing costs. The point contact method, connected internally by a spring, affects conductivity stability and complicates antenna tuning for manufacturers. Additionally, the POGOPIN can only be manually assembled onto the internal plastic frame, resulting in inconsistent performance and impacting conductivity and waterproofing. This can lead to instability during mass production, potentially rendering the entire unit unusable.

[0004] To address the above issues, a wearable device is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a wearable device that has the advantages of reducing the cost of conductive components, improving conductive stability and assembly efficiency, and enhancing waterproof performance.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A wearable device according to an embodiment of the present utility model includes: an outer frame, an inner frame, a main board, an adapter spring, and an adapter steel plate. The inner frame is mounted on the outer frame, the adapter steel plate is mounted on the inner frame, the main board is mounted on the end of the inner frame away from the outer frame, the main board is provided with an antenna feed point, the adapter steel plate abuts against the antenna feed point, the adapter spring is mounted between the outer frame and the adapter steel plate, and the adapter spring abuts against the outer frame and the adapter steel plate.

[0008] According to an embodiment of the present invention, a wearable device directly abuts the antenna feed point through an adapter steel plate, and an adapter spring connects the outer frame and the adapter steel plate, replacing the traditional POGOPIN structure. This reduces the cost of conductive components, improves conductive stability and assembly efficiency, and enhances waterproof performance through adhesive sealing and waterproof adhesive design. It has the advantages of reducing the cost of conductive components, improving conductive stability and assembly efficiency, and enhancing waterproof performance.

[0009] In addition, the wearable device according to the above embodiments of the present invention may also have the following additional technical features:

[0010] In some embodiments of this utility model, the inner frame is configured as an integrally formed plastic frame structure, and the inner frame is provided with multiple mounting slots, and multiple adapter steel pieces are snapped into the multiple mounting slots.

[0011] In some embodiments of this utility model, the inner frame is provided with a first through hole, the first through hole is connected to the mounting groove, the first contact end of the adapter steel sheet passes through the first through hole, and the first contact end abuts against the adapter spring.

[0012] In some embodiments of this utility model, the inner frame is provided with a second through hole, the second through hole is connected to the mounting groove, the second contact end of the adapter steel sheet passes through the second through hole and abuts against the antenna feed point.

[0013] In some embodiments of this utility model, the outer frame is provided with a plurality of grooves on one end face near the inner frame, and the adapter spring is installed in the grooves.

[0014] In some embodiments of this utility model, a display screen is also included. The display screen is installed at one end of the outer frame away from the inner frame, and the display screen is sealed and bonded to the outer frame with waterproof adhesive. The display screen is electrically connected to the motherboard.

[0015] In some embodiments of this utility model, a rear shell is also included, which is mounted on the end of the inner frame away from the metal outer shell and is sealed and bonded to the inner frame with waterproof adhesive.

[0016] In some embodiments of this utility model, the motherboard is mounted on the inner frame and the motherboard is screwed to the inner frame.

[0017] In some embodiments of this utility model, the inner frame is provided with a latching protrusion, and the outer frame is provided with a matching latching groove. The inner frame is installed on the outer frame through the cooperation of the latching protrusion and the latching groove.

[0018] In some embodiments of this utility model, the antenna feed point and the adapter steel sheet are sealed with adhesive.

[0019] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of a wearable device according to an embodiment of the present utility model. Figure 1 ;

[0021] Figure 2 for Figure 1 Enlarged view of a portion at point A;

[0022] Figure 3 This is a schematic diagram of the structure of a wearable device according to an embodiment of the present utility model. Figure 2 ;

[0023] Figure 4 This is a schematic diagram of the structure of a wearable device according to an embodiment of the present utility model. Figure 3 ;

[0024] Figure 5 This is a schematic diagram of the structure of a wearable device according to an embodiment of the present utility model. Figure 4 ;

[0025] Figure 6 This is a schematic diagram of the structure of a wearable device according to an embodiment of the present utility model. Figure 5 ;

[0026] Figure 7 This is a schematic diagram of the structure of a wearable device according to an embodiment of the present utility model. Figure 6 ;

[0027] Figure 8 This is a comparative schematic diagram of the adhesive application at the antenna feed point of a wearable device according to an embodiment of this utility model.

[0028] Figure Labels

[0029] 100. Wearable device; 1. Outer frame; 11. Groove; 12. Slot; 2. Inner frame; 21. Mounting slot; 22. First through hole; 23. Second through hole; 24. Slot protrusion; 3. Main board; 31. Antenna feed point; 4. Adapter spring; 5. Adapter steel plate; 51. First contact end; 52. Second contact end; 6. Display screen; 7. Waterproof adhesive; 8. Back cover. Detailed Implementation

[0030] The wearable device of the present invention will now be described in more detail with reference to the accompanying drawings, which illustrate preferred embodiments of the present invention. It should be understood that those skilled in the art can modify the present invention described herein while still achieving its advantageous effects. Therefore, the following description should be understood as being of general knowledge to those skilled in the art and is not intended to limit the present invention.

[0031] In the description of this specification, terms such as "one embodiment" or "some embodiments" mean that one or more embodiments of this specification include a particular feature, structure, or characteristic described in connection with that embodiment. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized.

[0032] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0033] The wearable device 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

[0034] In existing technologies, wearable devices with metal exteriors need to balance appearance design, antenna performance, waterproofing, and cost control. The industry commonly uses POGOPIN as the conductive component connecting the outer frame and the motherboard antenna. This component comprises a three-section movable connection structure, relying on springs to achieve contact and conduction. This results in problems such as small contact area, poor assembly consistency, and long-term use leading to unstable signal transmission due to friction and oxidation. Its brass material and gold plating process significantly increase manufacturing costs, and the manual assembly process further limits production efficiency.

[0035] To address the aforementioned issues, this invention replaces the point-contact conductive structure, a key factor leading to signal attenuation, with a fixed surface-contact conductive structure instead of movable connectors. By analyzing the internal spatial layout of the device, the conductive path between the outer frame and the antenna feed point is decomposed into two rigid contact interfaces, using elastic elements to compensate for assembly tolerances. Breaking away from the conventional three-segment conductive structure, this invention instead employs combined conductive components to construct a stable multi-stage conduction path.

[0036] Therefore, as Figure 1 , Figure 2As shown, this utility model proposes a wearable device 100 comprising an outer frame 1, an inner frame 2, a main board 3, an adapter spring 4, and an adapter steel plate 5. The inner frame 2 is fixed to the outer frame 1, the adapter steel plate 5 is disposed on the surface of the inner frame 2, and the main board 3 is mounted at the end of the inner frame 2 and has the antenna feed point 31. The adapter steel plate 5 maintains physical contact with the antenna feed point 31, and the adapter spring 4 is disposed between the outer frame 1 and the adapter steel plate 5 to form a double contact.

[0037] The adapter steel sheet 5 refers to a thin metal sheet component that carries the conductive function. Specifically, it can be formed by stamping beryllium copper alloy, and its planar contact characteristics can replace the point contact structure of traditional POGOPIN, eliminating the risk of oxidation of the contact surface. The adapter spring 4 refers to a conductive element with elastic deformation capability. Specifically, it can be formed by bending a nickel-titanium alloy sheet, maintaining a stable electrical connection between the outer frame 1 and the adapter steel sheet 5 through elastic pressure. The inner frame 2 refers to the support structure that carries the internal components. Specifically, it can be an engineering plastic frame integrally molded by injection molding, and the mounting groove 21 on its surface can accurately position the adapter steel sheet 5. The outer frame 1 refers to the outer shell of the equipment. Specifically, it can be formed by precision casting of 316L stainless steel, and the surface is sandblasted to form a matte texture.

[0038] Specifically, the inner frame 2 acts as a structural carrier, physically isolating the outer frame 1 from the main board 3. The adapter steel plate 5 is fixed in the pre-set mounting groove 21 of the inner frame 2 via a snap-fit ​​method, forming direct contact with the antenna feed point 31 of the main board 3. The adapter spring 4 is compressed between the inner wall of the outer frame 1 and the adapter steel plate 5, using its own elastic deformation to compensate for assembly errors. When the equipment is affected by vibration or temperature changes, the continuous pressure of the spring can maintain a tight fit at the contact interface. The contact surfaces of the outer frame 1 and the adapter spring 4 are polished to reduce contact resistance, and the contact area between the adapter steel plate 5 and the antenna feed point 31 is gold-plated to enhance conductivity stability.

[0039] Compared to existing technologies, the traditional three-segment movable connection of the POGOPIN is replaced by a combination structure of the rigid adapter steel sheet 5 and the elastic adapter spring sheet 4, expanding the contact area from point contact to surface contact. The current conduction path of the outer frame 1 is simplified to a three-stage transmission of outer frame-spring sheet-steel sheet-feed point, eliminating impedance fluctuations caused by spring elements. The adapter steel sheet 5 is precisely positioned by the injection-molded inner frame 2, eliminating the need for manual assembly.

[0040] Through the above technical solution, this utility model achieves stable contact in the antenna signal transmission path, effectively preventing signal interruption caused by vibration. The rigid connection structure between the outer frame 1 and the internal components enhances the overall strength of the device, and the elastic compensation function of the adapter spring 4 improves contact reliability under different operating conditions. The injection-molded inner frame 2 and the pre-installed adapter steel sheet 5 reduce assembly difficulty, and the reduction in the number of conductive components lowers material costs. The gold plating treatment of the contact surface ensures conductivity while reducing the plating thickness, significantly superior to the gold plating standard of traditional POGOPINs.

[0041] In some embodiments of this utility model, such as Figure 4 , Figure 5 As shown, the inner frame 2 is configured as an integrally formed plastic frame structure, and the inner frame 2 is provided with multiple mounting slots 21, and multiple adapter steel pieces 5 are snapped into the multiple mounting slots 21.

[0042] The one-piece molded plastic frame structure refers to an integral frame formed through injection molding, specifically using polycarbonate or nylon materials. This structure eliminates the assembly gaps of a split frame, improving the overall structural strength and sealing. The mounting groove 21 refers to a recessed structure formed on the surface of the inner frame 2. Specifically, it can be a U-shaped, T-shaped, or other groove structure capable of achieving the above functions. Its dimensions match the adapter steel plate 5, and the adapter steel plate 5 is fixed through an elastic snap-fit ​​design, thereby ensuring precise contact between the adapter steel plate 5 and the antenna feed point 31.

[0043] Specifically, the plastic frame is formed in one injection molding process, simultaneously creating multiple mounting grooves 21. These mounting grooves 21 are evenly distributed along the sidewalls of the inner frame 2. The adapter steel sheet 5, after being mechanically stamped, is pressed vertically into the mounting groove 21 and secured by elastic clips on both sides of the groove. This assembly process can be automated, ensuring consistent installation positions of the multiple adapter steel sheets 5 and avoiding misalignment caused by manual operation.

[0044] Compared to existing technologies, traditional solutions using a split frame require the separate manufacture of metal connectors and their fixing with screws, which not only increases the number of parts but also necessitates manual adjustment of each contact position. In contrast, this solution directly establishes a positioning reference through an integrated molding structure. The snap-fit ​​design of the mounting groove 21 allows the adapter steel plate 5 to automatically align during assembly, eliminating the need for secondary correction and significantly reducing assembly complexity and labor time.

[0045] Through the above technical solution, this utility model achieves precise positioning and rapid assembly of the adapter steel plate 5, solving the problem of contact position deviation caused by manual assembly. Because the snap-fit ​​structure between the mounting groove 21 and the adapter steel plate 5 has a self-locking function, it can maintain a stable electrical connection even when the equipment is subjected to vibration or temperature changes, thereby ensuring the reliability of antenna signal transmission. Furthermore, this design eliminates the need for auxiliary fixing components in traditional solutions, effectively reducing material costs and warehousing management costs.

[0046] In some embodiments of this utility model, such as Figure 4 , Figure 6 As shown, the inner frame 2 is provided with the first through hole 22, the first through hole 22 is connected to the mounting groove 21, the first contact end 51 of the adapter steel sheet 5 passes through the first through hole 22, and the first contact end 51 abuts against the adapter spring sheet 4.

[0047] The first through hole 22 refers to a through-hole structure penetrating the thickness of the inner frame 2, with its axis perpendicular to the extension direction of the mounting groove 21. Specifically, it can be formed in one step with the inner frame 2 body using injection molding, providing an axial positioning channel for the adapter steel sheet 5. The mounting groove 21 refers to a U-shaped groove structure recessed inward on the surface of the inner frame 2, which can be formed into a regular geometric shape through injection molding, used to constrain the radial displacement of the adapter steel sheet 5. The first contact end 51 of the adapter steel sheet 5 refers to the planar contact area formed by stamping at the end of the adapter steel sheet 5. Specifically, it can be nickel-plated to enhance conductivity, and its surface flatness is controlled within tolerance to form a surface contact.

[0048] Specifically, the first through-hole 22 and the mounting groove 21 form a three-dimensionally connected assembly space. After the adapter steel plate 5 is pre-inserted into the mounting groove 21, its first contact end 51 extends axially along the first through-hole 22 and forms surface contact with the adapter spring 4. During assembly, the elastic deformation of the adapter spring 4 under pressure causes the first contact end 51 to maintain continuous contact pressure with it, thereby achieving stable conductivity between the outer frame 1 and the main board 3. The plastic material of the inner frame 2 provides insulation between the first through-hole 22 and the adapter steel plate 5, avoiding signal interference.

[0049] Compared to existing technologies, traditional POGOPIN solutions rely on spring-supported three-segment point contact. This solution, however, achieves mechanical positioning of the adapter steel sheet 5 through the cooperation of the first through-hole 22 and the mounting groove 21, eliminating the contact resistance fluctuation problem caused by the spring structure. The surface contact structure formed by the first contact end 51 of the adapter steel sheet 5 and the adapter spring 4 replaces the point contact mode. The increased contact area effectively reduces the risk of contact failure due to oxidation.

[0050] Through the above technical solution, this utility model solves the problem of unstable signal transmission caused by the poor durability of traditional point contact structures. The pre-assembly design of the adapter steel sheet 5 and the inner frame 2 reduces the assembly process by more than two steps, improving the product yield. The stability of the metal conduction path shortens the antenna debugging cycle, while the combined structure of the plastic inner frame 2 and the adapter steel sheet 5 reduces material costs.

[0051] In some embodiments of this utility model, such as Figure 5 As shown, the inner frame 2 is provided with a second through hole, which connects to the mounting groove 21. The second contact end 52 of the adapter steel sheet 5 passes through the second through hole and abuts against the antenna feed point 31.

[0052] The second through-hole refers to a hole-like structure penetrating the wall of the inner frame 2, forming a communication channel with the mounting groove 21. Specifically, it can be integrally formed on the plastic inner frame 2 using injection molding, guiding the second contact end 52 of the adapter steel sheet 5 to extend to the outside of the mounting groove 21. The mounting groove 21 refers to a recessed structure formed on the surface of the inner frame 2, specifically a regularly geometrically shaped accommodating space formed by injection molding, used to fix the mounting position of the adapter steel sheet 5. The second contact end 52 of the adapter steel sheet 5 refers to a physical contact portion formed by the extension of a metal conductive component, specifically a flat or arc-shaped end face structure formed by stamping, used to achieve surface contact with the antenna feed point 31. The antenna feed point 31 refers to the signal transmission interface area set on the motherboard 3, specifically formed using gold-plated copper foil or a solder pad structure, used to establish an electrical connection between the radio frequency signal and the outer frame 1.

[0053] Specifically, during the injection molding process of the inner plastic frame 2, the second through hole and the mounting groove 21 are formed simultaneously through the mold structure. After the adapter steel sheet 5 is embedded into the mounting groove 21 by snap-fit, its second contact end 52 extends through the second through hole to the outside of the inner frame 2 under the action of elastic deformation. When the motherboard 3 is installed on the inner frame 2, the second contact end 52 of the adapter steel sheet 5 forms a surface contact with the antenna feed point 31 on the surface of the motherboard 3 in spatial position, and the radio frequency signal of the outer frame 1 is conducted to the antenna feed point 31 through the adapter spring 4 and the adapter steel sheet 5. The aperture size of the second through hole is slightly smaller than the cross-sectional size of the second contact end 52 of the adapter steel sheet 5. The elastic deformation characteristics of the plastic material are used to achieve an interference fit between the contact end and the through hole to ensure contact stability.

[0054] Compared to existing technologies, traditional POGOPIN solutions employ a three-point spring contact structure, limiting the contact area to point contact and involving moving parts. This solution, however, guides the adapter steel sheet 5 through a second through-hole to form a rigid surface contact structure. The interference fit between the metal contact end and the through-hole eliminates the risk of contact failure caused by spring slack in traditional solutions. The injection molding process of the plastic inner frame 2 ensures the accuracy of the through-hole position, avoiding the impact of manual assembly errors on contact consistency.

[0055] Through the above technical solution, this utility model effectively solves the signal attenuation problem caused by friction and oxidation during long-term use of traditional point contact structures. The surface contact mode between the second contact end 52 of the adapter steel sheet 5 and the antenna feed point 31 reduces contact resistance fluctuations and improves the stability of radio frequency signal transmission. At the same time, the connection structure between the second via and the mounting groove 21 simplifies the assembly process of the adapter steel sheet 5, reduces the quality risks caused by manual intervention, and provides a reliable guarantee for mass production.

[0056] In some embodiments of this utility model, such as Figure 3 As shown, the outer frame 1 has a plurality of grooves 11 on one end face near the inner frame 2, and the adapter spring 4 is installed in the grooves 11.

[0057] The groove 11 refers to a recessed structure on the surface of the outer frame 1, used to fix the position of the adapter spring 4. It can be achieved by stamping or milling, and its shape is, for example, rectangular or U-shaped, with a depth of 0.5 mm to 1.5 mm. The adapter spring 4 is a conductive elastic metal sheet, for example made of beryllium copper or phosphor bronze, which is fixed in the groove 11 by a snap-fit ​​method, forming a stable contact with the outer frame 1 and avoiding contact instability caused by the spring structure.

[0058] Specifically, in the joint area between the outer frame 1 and the inner frame 2, a plurality of grooves 11 are distributed at intervals along the edge, and the size of each groove 11 matches the width of the adapter spring 4. After the adapter spring 4 is pressed into the groove 11, its two ends contact the outer frame 1 and the adapter steel sheet 5 respectively. For example, the sidewall of the stamped groove 11 generates a clamping force on the spring, preventing the spring from displacing when vibrating or changing temperature.

[0059] Compared with the existing technology, which uses POGOPIN as the conduction structure and relies on three-segment point contact with spring connection, this solution directly engages the groove 11 with the adapter spring 4, which not only eliminates the complex mold and gold plating process of POGOPIN, but also improves conduction stability through surface contact, while avoiding the problem of poor contact consistency caused by manual assembly.

[0060] Through the above technical solution, this utility model solves the problems of high cost, unstable contact and low assembly efficiency of the transfer components in the prior art, realizes reliable conduction between the outer frame 1 and the antenna feed point 31 of the motherboard 3, and at the same time reduces production complexity and improves product durability.

[0061] Furthermore, the adapter spring 4 can also be welded into the groove 11 to further improve the stability of the connection between the adapter spring 4 and the outer frame 1, prevent the adapter spring 4 from coming out of the groove 11, and thus improve the stability of the wearable device 100.

[0062] In some embodiments of this utility model, such as Figure 1 , Figure 2 As shown, it also includes the display screen 6, which is installed on the outer frame 1 at the end away from the inner frame 2, and the display screen 6 is sealed and bonded to the outer frame 1 by the waterproof adhesive 7. The display screen 6 is electrically connected to the motherboard 3.

[0063] The display screen 6 refers to the component used for information display, which can be implemented using an OLED or LCD screen. It is directly fixed to the opening of the outer frame 1 by the waterproof adhesive 7 to form an integrated sealed structure.

[0064] The waterproof adhesive 7 refers to a material with bonding and sealing functions, which can be silicone or polyurethane adhesive. After curing, it forms a continuous waterproof barrier between the display screen 6 and the outer frame 1.

[0065] Electrical connection refers to the signal transmission path, which can be achieved through flexible circuit boards or conductive foam, so that the touch signals of the display screen 6 can be directly transmitted to the motherboard 3.

[0066] Specifically, the display screen 6 is positioned at the front opening of the outer frame 1, and the edges are completely fitted to the outer frame 1 by applying the waterproof adhesive 7, preventing liquid from seeping into the interior through assembly gaps. The ribbon cable of the display screen 6 passes through the outer frame 1 and is plugged into the motherboard 3. Touch signals are directly transmitted to the motherboard 3 for processing via the ribbon cable, without the need for external conductive connectors. The outer frame 1 serves as a supporting carrier, both supporting the display screen 6 and maintaining the overall structural rigidity.

[0067] Compared to existing technologies, conventional solutions rely on POGOPINs for conductive connections and require separate waterproofing structures, resulting in complex assembly processes and poor contact stability. This solution directly integrates the display screen 6 as a structural component, sealing it to the outer frame 1 while simultaneously handling signal transmission. This eliminates the failure risks associated with multi-point contact and simplifies the assembly process.

[0068] Through the above technical solution, this utility model solves the problem that waterproofing and signal transmission cannot be simultaneously achieved in metal-cased device display modules. While ensuring the stability of touch function, it achieves a high level of waterproofing through an integrated sealing structure, while eliminating the assembly cost and potential failure risks of additional conductive connectors.

[0069] In some embodiments of this utility model, such as Figure 1 , Figure 2 As shown, it also includes the rear shell 8, which is mounted on the inner frame 2 at the end away from the metal outer shell, and the rear shell 8 and the inner frame 2 are sealed and bonded together by the waterproof adhesive 7.

[0070] The rear shell 8 refers to a structural component that covers the side of the inner frame 2 away from the outer frame 1. Specifically, it can be made of polycarbonate or aluminum alloy and is used to enclose the internal components and form an external protective shell.

[0071] The waterproof adhesive 7 refers to an adhesive material with sealing and bonding functions, which can be made of silicone or polyurethane. It is applied to the contact surface between the inner frame 2 and the rear shell 8 and cured to form a continuous sealing layer to prevent liquid penetration.

[0072] Specifically, the rear shell 8 is fixed to the end of the inner frame 2 away from the outer frame 1 by clips or screws. During installation, the waterproof adhesive 7 is evenly applied to the contact surface, and then the rear shell 8 is pressed onto the inner frame 2. The cured waterproof adhesive 7 fills the assembly gap between the rear shell 8 and the inner frame 2, forming a full-circumference seal structure, thereby blocking the path of external liquids into the internal electronic components. The inner frame 2 serves as a support structure, providing an installation reference surface to ensure the assembly accuracy of the rear shell 8 and the inner frame 2, and to avoid seal failure due to misalignment.

[0073] Compared to existing technologies, traditional designs use a segmented POGOPIN structure to achieve conductivity and waterproofing. This point-contact method is prone to seal failure due to oxidation or wear, and its reliance on manual assembly leads to poor consistency. In contrast, this solution eliminates the reliability risks of multi-point contact by using an integrated back shell 8 structure sealed with the waterproof adhesive 7, simplifying the assembly process and improving seal stability.

[0074] Through the above technical solution, this utility model solves the problem of balancing waterproof performance and assembly efficiency in the wearable device 100 with a metal shell. By using the sealed bonding design between the back shell 8 and the inner frame 2, high-reliability waterproofing is achieved while reducing the difficulty of manual assembly, thus avoiding damage to internal electronic components due to seal failure.

[0075] In some embodiments of this utility model, such as Figure 1 , Figure 2 , Figure 7 As shown, the motherboard 3 is mounted on the inner frame 2 and the motherboard 3 is screwed to the inner frame 2.

[0076] Among them, screw connection refers to mechanical connection achieved through threaded fasteners. Specifically, it can be achieved by using self-tapping screws or machine screws with threaded holes. Threaded fasteners have the characteristics of repeated disassembly and assembly and can apply preload.

[0077] The inner frame 2 refers to the structural component that supports the motherboard 3. Specifically, it can be made by injection molding of engineering plastics, and its surface can be provided with positioning posts that match the motherboard 3 for limiting.

[0078] Specifically, the motherboard 3 is coarsely positioned by engaging with the positioning posts of the inner frame 2 through pre-set positioning holes. Then, a threaded fastener is screwed into the threaded hole of the inner frame 2 through the pre-set mounting hole of the motherboard 3 to complete the final fixation. Because the threaded connection has a self-locking characteristic, it effectively prevents the motherboard 3 from shifting due to vibration during use of the wearable device 100, avoiding changes in the contact pressure between the antenna feed point 31 and the adapter steel plate 5. For example, the inner frame 2 can be provided with four rectangularly distributed threaded holes corresponding to the mounting holes at the four corners of the motherboard 3, achieving planar fit through evenly distributed locking force.

[0079] Compared with existing technologies, the traditional POGOPIN solution requires the motherboard 3 to be floated with a spring-loaded structure, making it difficult to control the uniformity of contact pressure during manual assembly. In contrast, the screw connection structure, through mechanical limiting and thread preload, eliminates manual assembly errors and avoids pressure attenuation at the contact interface due to vibration during long-term use.

[0080] Through the above technical solution, this utility model achieves rigid fixation between the motherboard 3 and the inner frame 2, eliminating the risk of contact pressure fluctuation in the spring contact connection. At the same time, the threaded connection method facilitates automated assembly, which is conducive to improving mass production consistency and reducing manual debugging costs.

[0081] In some embodiments of this utility model, such as Figure 6 As shown, the inner frame 2 is provided with the card protrusion 24, and the outer frame 1 is provided with the corresponding card groove 12. The inner frame 2 is installed on the outer frame 1 through the cooperation of the card protrusion 24 and the card groove 12.

[0082] The "protrusion 24" refers to a raised structure formed on the surface of the inner frame 2, which can be achieved through injection molding or machining, and is used to mechanically interlock with the "slot 12" of the outer frame 1. The "slot 12" refers to a recessed structure provided on the surface of the outer frame 1, which can be formed through stamping or milling, and its shape matches the protrusion 24 to achieve limiting and fixing. The cooperation between the protrusion 24 and the slot 12 provides a stable mechanical connection through structural interlocking, avoiding positioning deviations or unstable contact problems caused by manual assembly.

[0083] Specifically, the inner frame 2 is physically engaged with the outer frame 1's slot 12 via the latching protrusion 24. For example, during assembly, the latching protrusion 24 is inserted into the slot 12 at a preset angle, and the two are fixed by mechanical interlocking. The dimensions of the latching protrusion 24 and the slot 12 can be adaptively designed according to the thickness of the inner frame 2 and the outer frame 1. For example, the height of the latching protrusion 24 can be slightly greater than the depth of the slot 12 to form an interference fit, ensuring a tight connection. This structure does not rely on springs or moving parts, thereby eliminating the risk of conductivity degradation caused by multi-point contact or elastic deformation.

[0084] In some specific embodiments, the protrusion 24 can be configured with a trapezoidal cross-section, and the groove 12 corresponds to the trapezoidal recess 11, with the inclined surface guiding to improve assembly efficiency. The distribution positions of the protrusion 24 and the groove 12 can be evenly arranged along the circumference of the inner frame 2 to distribute the force and enhance structural stability. In addition, the mating surfaces of the protrusion 24 and the groove 12 can be provided with anti-slip textures or chamfers to further suppress displacement or loosening during the assembly process.

[0085] Compared to existing technologies, traditional solutions rely on spring-type point contacts with POGOPINs, which suffer from poor assembly consistency and are susceptible to oxidation. In contrast, the mechanical interlocking structure between the latch protrusion 24 and the slot 12 achieves fixation through surface contact, ensuring positioning accuracy without manual intervention and eliminating the need for gold plating, thus reducing manufacturing costs. Furthermore, this structure directly transmits signals through the physical connection between the inner frame 2 and the outer frame 1, simplifying the conduction path and improving durability.

[0086] Through the above technical solution, this utility model solves the problem of unstable contact caused by manual assembly of the wearable device 100 with the outer frame 1 in the traditional form, improves the reliability of antenna signal transmission and the waterproof performance of the product; by replacing the complex gold plating process with structural interlocking, the material cost and processing difficulty are significantly reduced, while avoiding the risk of performance degradation caused by the aging of spring components, thus achieving dual optimization of production efficiency and product life.

[0087] In some embodiments of this utility model, such as Figure 8As shown, the antenna feed point 31 and the adapter steel sheet 5 are sealed with adhesive.

[0088] Among them, such as Figure 8 Appendix at point B (i.e.) Figure 8 The attached diagram (left side) shows an embodiment where the second contact end 52 is not glued, as shown below. Figure 8 The attached diagram at point C (i.e.) Figure 8 The attached diagram on the right shows an embodiment after the second contact end 52 is coated with adhesive. The adhesive sealing refers to the formation of a sealing layer at the connection through the adhesive process. Specifically, it can be achieved by using adhesive materials such as epoxy resin or silicone that have adhesive and waterproof properties. This sealing layer is used to isolate air and moisture penetration and prevent oxidation and corrosion of the contact point.

[0089] The antenna feed point 31 refers to the contact point used for high-frequency signal transmission. Specifically, it can be implemented using a metal contact or a conductive coating. After the contact point is sealed with adhesive, a stable electrical contact state can be maintained and electromagnetic signal interference can be reduced.

[0090] Specifically, during the adhesive sealing process at the contact area between the adapter steel plate 5 and the antenna feed point 31 on the main board 3, the adhesive material is precisely applied around the contact interface between the adapter steel plate 5 and the antenna feed point 31, forming a continuous and dense sealing layer after curing. This sealing layer can prevent external moisture, dust, and other contaminants from entering the contact area, while also reducing electromagnetic leakage during high-frequency signal transmission through the insulating properties of the adhesive itself. During assembly, after the adapter steel plate 5 and the antenna feed point 31 make physical contact, the adhesive material is evenly injected along the contact edge using automated dispensing equipment, and then a stable sealing structure is formed through heat curing or ultraviolet curing.

[0091] Compared to existing technologies, traditional POGOPIN solutions rely on a spring-supported, three-segment point contact structure, whose contact surfaces are susceptible to frictional oxidation and whose waterproof performance depends on complex assembly processes. This solution directly covers the contact interface with adhesive dispensing, eliminating contact instability caused by moving parts, transforming point contact into surface contact sealing, and simplifying the production process. Furthermore, the continuous sealing layer formed by the adhesive material, compared to the segmented waterproof structure in POGOPIN solutions, achieves a more uniform waterproof barrier, avoiding the risk of localized seal failure.

[0092] Through the above technical solution, this utility model effectively solves the problem that it is difficult to balance the contact stability and waterproof performance of the antenna feed point 31 in the wearable device 100 of the outer frame 1. The glue seal forms a reliable waterproof barrier while maintaining the signal transmission quality. The rigid support structure formed after curing further enhances the mechanical stability of the contact interface, thereby improving the product durability and reducing the need for later maintenance.

[0093] It should be understood that the specific embodiments described above are merely illustrative or explanatory of the principles of this utility model and do not constitute a limitation thereof. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of this utility model should be included within its protection scope. Furthermore, the appended claims are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A wearable device, characterized in that, include: The system comprises an outer frame, an inner frame, a main board, an adapter spring, and an adapter steel plate. The inner frame is mounted on the outer frame, the adapter steel plate is mounted on the inner frame, the main board is mounted on the end of the inner frame away from the outer frame, the main board has an antenna feed point, the adapter steel plate abuts against the antenna feed point, and the adapter spring is mounted between the outer frame and the adapter steel plate, with the adapter spring abutting against both the outer frame and the adapter steel plate.

2. The wearable device according to claim 1, characterized in that, The inner frame is configured as an integrally molded plastic frame structure, and the inner frame is provided with multiple mounting slots, in which multiple adapter steel pieces are snapped into the multiple mounting slots.

3. The wearable device according to claim 2, characterized in that, The inner frame is provided with a first through hole, which connects to the mounting groove. The first contact end of the adapter steel sheet passes through the first through hole and abuts against the adapter spring.

4. The wearable device according to claim 2, characterized in that, The inner frame is provided with a second through hole, which connects to the mounting groove. The second contact end of the adapter steel plate passes through the second through hole and abuts against the antenna feed point.

5. The wearable device according to claim 1, characterized in that, The outer frame has multiple grooves on one end face near the inner frame, and the adapter spring is installed in the grooves.

6. The wearable device according to claim 1, characterized in that, It also includes a display screen, which is mounted on the outer frame at the end away from the inner frame, and the display screen is sealed and bonded to the outer frame with waterproof adhesive. The display screen is electrically connected to the motherboard.

7. The wearable device according to claim 1, characterized in that, It also includes a rear shell, which is mounted on the end of the inner frame away from the metal outer shell and is sealed and bonded to the inner frame with waterproof adhesive.

8. The wearable device according to claim 1, characterized in that, The motherboard is mounted on the inner frame and is screwed to the inner frame.

9. The wearable device according to claim 1, characterized in that, The inner frame has a latching protrusion, and the outer frame has a matching latching groove. The inner frame is installed on the outer frame through the engagement of the latching protrusion and the latching groove.

10. The wearable device according to claim 1, characterized in that, The antenna feed point and the adapter steel sheet are sealed with adhesive.

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