Watch buckle structure and intelligent watch

By designing the clasp structure as a ring-shaped hollow frame and a double fixing mechanism, the problems of traditional magnetic clasps being too thick and uncomfortable are solved, resulting in a thinner and more reliable clasp design.

CN224250869UActive Publication Date: 2026-05-19GUANGDONG XIAOTIANCAI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG XIAOTIANCAI TECH CO LTD
Filing Date
2025-06-11
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Traditional magnetic watch clasps are thick due to their multi-layered structure, which affects wearing comfort and aesthetics.

Method used

Design a buckle structure that concentrates the fixing mechanism in the second buckle. The first buckle adopts a ring-shaped hollow frame, and the second buckle achieves independent force through the protruding fastening components. Combined with magnetic and mechanical locking structures, the force path is optimized.

Benefits of technology

It achieves a thinner and lighter buckle design, while improving wearing comfort and closure reliability, avoiding the problems of excessive thickness and weakened magnetic attraction in traditional designs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a watch buckle structure and a smart watch, the watch buckle structure is used for buckling a first watchband and a second watchband, the watch buckle structure comprises a first watch buckle and a second watch buckle, the first watch buckle is arranged on the first watchband, the second watch buckle is arranged on the second watchband, the middle part of the first watch buckle is hollowed to form a buckling hole, and the buckling hole is arranged in the second watchband. And the second watch buckle is convexly provided with a buckling assembly which is buckled with the buckling hole in a matching manner. According to the watch buckle structure, one layer of structural wall thickness is reduced through design, so that the whole watch buckle structure is thinner, and the overall attractiveness and wearing comfort are effectively improved.
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Description

Technical Field

[0001] This application relates to the technical field of watches, and more particularly to a clasp structure and a smartwatch. Background Technology

[0002] In the field of wearable devices, magnetic watch clasps have gained widespread market recognition due to their convenient wearing method and reliable closure performance. However, existing technologies still have significant technical bottlenecks. To meet structural strength requirements, traditional magnetic watch clasps typically employ a multi-layered magnetic layout and a rigid outer shell encapsulation structure, resulting in a generally large overall thickness of the clasp. This can easily cause pressure on the wrist when worn, and a noticeable protrusion is formed at the connection point with the watch strap, affecting the overall aesthetics and wearing comfort. Utility Model Content

[0003] The purpose of this application is to provide a buckle structure and a smartwatch, which reduces the thickness of one structural wall layer by design, making the buckle structure thinner overall, effectively improving the overall aesthetics and wearing comfort.

[0004] To achieve the above objectives, this application adopts the following technical solution:

[0005] On one hand, a watch buckle structure is provided for fastening a first watch strap and a second watch strap. The watch buckle structure includes a first watch buckle and a second watch buckle. The first watch buckle is disposed on the first watch strap, and the second watch buckle is disposed on the second watch strap. The first watch buckle has a hole formed in the middle, and the second watch buckle has a fastening component that protrudes and engages with the fastening hole.

[0006] Furthermore, the wall of the fastening hole is provided with a locking groove, and the fastening assembly includes a main body and a locking member disposed on the main body. The main body is fitted into the fastening hole so that the locking member is at least partially locked in the locking groove.

[0007] Furthermore, the locking member includes a locking part and an elastic part. The locking part is disposed on the main body, and the elastic part is disposed between the main body and the locking part. The elastic part causes the locking part to always have a tendency to move toward the locking groove.

[0008] Furthermore, the locking member also includes a pressing part, which is connected to the elastic part. A force can be applied to the pressing part to compress the elastic part, thereby causing the locking part to disengage from the locking groove.

[0009] Furthermore, two locking members are provided, and the two locking members are spaced apart on both sides of the main body along a first direction, wherein the first direction is perpendicular to the length direction of the watch strap.

[0010] Furthermore, one end of the second strap can be connected to the smart body of the smartwatch, and an adjustment structure is provided between the second buckle and the second strap so that the second buckle can be moved and adjusted along the length direction of the second strap, thereby increasing or decreasing the distance between the second buckle and the smart body.

[0011] Furthermore, the adjustment structure includes a protrusion disposed inside the second buckle and a groove disposed on the second strap. Multiple grooves are disposed along the length direction of the second strap, and the protrusion can engage with any one of the grooves to lock.

[0012] Furthermore, the first watch buckle is provided with a first magnetic element, and the second watch buckle is provided with a second magnetic element that magnetically engages with the first magnetic element.

[0013] Furthermore, there are two first magnetic components, which are spaced apart on the first buckle along the length of the first watch strap.

[0014] On the other hand, a smartwatch is also provided, including a smart body and a buckle structure as described above, wherein the two ends of the smart body are respectively connected to the first watch strap and the second watch strap.

[0015] The beneficial effects of this application are as follows: The first watch buckle adopts a ring-shaped hollow structure, which allows the first watch buckle to retain only the outer frame, with the central part fully open to form a fastening hole. This design directly reduces the structural wall thickness by one layer. The second watch buckle cooperates with the hollow area through a protruding fastening component. When the two watch buckles are fastened, the fastening component of the second watch buckle inserts into the hollow area of ​​the first watch buckle, and the fastening cooperation achieves closure. At this time, the first watch buckle only acts as a passive support, while the second watch buckle undertakes the main fixing function. This design concentrates the force-bearing structure that is distributed in two parts in traditional watch buckles into the second watch buckle. While ensuring the reliability of closure, it eliminates the thickness redundancy caused by the multi-layer stacking of traditional magnetic watch buckles from a physical structure perspective, making the watch buckle structure lighter and thinner, and the appearance more novel. Attached Figure Description

[0016] The present application will now be described in further detail with reference to the accompanying drawings and embodiments.

[0017] Figure 1 This is a schematic diagram of the smartwatch described in the embodiments of this application;

[0018] Figure 2 This is a schematic diagram of the buckle structure described in the embodiments of this application;

[0019] Figure 3 This is a schematic diagram of the second buckle and the second strap in an embodiment of this application. Figure 1 ;

[0020] Figure 4 This is a schematic diagram of the first watch buckle and the first watch strap in an embodiment of this application;

[0021] Figure 5 This is a schematic diagram of the second buckle and the second strap in an embodiment of this application. Figure 2 .

[0022] In the diagram: 1. First buckle; 101. Buckle hole; 2. Second buckle; 3. Buckle assembly; 301. Main body; 302. Locking component; 3021. Locking part; 3022. Elastic part; 3023. Pressing part; 4. First magnetic component; 5. Second magnetic component; 6. First watch strap; 7. Second watch strap; 701. Groove; 8. Smart body. Detailed Implementation

[0023] To make the technical problems solved by this application, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of this application are further described in detail below. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0024] In the description of this application, unless otherwise expressly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0025] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] like Figures 1-5As shown, this embodiment provides a watch buckle structure, including: for fastening a first watch strap 6 and a second watch strap 7. The watch buckle structure includes: a first watch buckle 1 and a second watch buckle 2. The first watch buckle 1 is disposed on the first watch strap 6, and the second watch buckle 2 is disposed on the second watch strap 7. The first watch buckle 1 has a hollowed-out fastening hole 101 in the middle, and the second watch buckle 2 has a protruding fastening component 3 that cooperates with the fastening hole 101 for fastening.

[0027] Traditional magnetic watch clasps employ a double-layered structure, where both the first clasp 1 and the second clasp 2 must support the magnetic module and supporting frame, resulting in increased overall thickness. This innovative design concentrates the fixing mechanism in the second clasp 2: the second clasp 2 forms an independent force-bearing unit through a protruding fastening component 3; the first clasp 1 completely eliminates the solid structure used to support the magnet in traditional designs, replacing it with a ring-shaped hollow frame, retaining only the outer supporting structure. When the two clasps are fastened, the fastening component 3 of the second clasp 2 inserts into the hollow area of ​​the first clasp 1. At this time, the closing force between the fastening component 3 and the fastening hole 101 is directly transmitted to the watch strap through the rigid frame of the second clasp 2, with the first clasp 1 serving only as a guide and limiting component. This design achieves three major breakthroughs: First, the centralized layout of functional modules eliminates the thickness redundancy caused by the need for both buckles to support the connecting structure in traditional designs; second, the hollow frame design reduces the wall thickness of the first buckle 1, resulting in a thinner overall thickness compared to traditional solutions; third, the optimized force path allows the closing force to act directly on the reinforcing structure of the second buckle 2, avoiding the problem of magnetic attraction attenuation caused by buckle deformation in traditional designs, while ensuring structural strength through the integrated molding process of the second buckle 2.

[0028] Furthermore, the wall of the fastening hole 101 is provided with a locking groove. The fastening assembly 3 includes a main body 301 and a locking member 302 disposed on the main body 301. The main body 301 is fitted into the fastening hole 101 so that the locking member 302 is at least partially locked in the locking groove. When the fastening assembly 3 of the second buckle 2 is inserted into the hollow fastening hole 101 of the first buckle 1, the locking member 302 (such as an elastic arm or a wedge-shaped buckle) disposed on the main body 301 slides along the wall of the fastening hole 101. When fully embedded, the locking member 302 is engaged in the locking groove preset in the inner wall of the fastening hole 101 by elastic deformation or the action of the guide slope. At this point, the geometric constraints of the locking groove (such as a right-angle slot or a serrated structure) and the deformation restoring force of the locking element 302 form a mechanical limit, effectively resisting the longitudinal separation tendency of the watch strap when it is pulled. At the same time, the magnetic module integrated in the second clasp 2 generates an adsorption force with the metal frame of the first clasp 1, further eliminating lateral sway gaps. This dual fixing mechanism improves the closure reliability of the clasp compared to a pure magnetic attraction solution while maintaining a thin and light structure. Even in the event of violent movement or accidental snagging, the mechanical clasp structure can still prevent accidental opening. When unlocking, only a lateral force in a specific direction (such as pressing the elastic locking element 302) needs to be applied to the buckle assembly 3 to release the mechanical limit, enabling convenient one-handed operation.

[0029] Furthermore, the locking member 302 includes a locking portion 3021 and an elastic portion 3022. The locking portion 3021 is disposed on the main body 301, and the elastic portion 3022 is disposed between the main body 301 and the locking portion 3021. The elastic portion 3022 ensures that the locking portion 3021 always tends to move towards the locking groove. When the fastening assembly 3 of the second buckle 2 is inserted into the fastening hole 101 of the first buckle 1, the locking portion 3021, disposed on the side wall of the main body 301, maintains its tendency to move towards the locking groove under the pre-pressure of the elastic portion 3022. During insertion, the locking portion 3021 is compressed by the wall of the fastening hole 101, thereby compressing the elastic portion 3022 and generating elastic potential energy. When the fastening assembly 3 is fully embedded, the locking portion 3021 aligns with the entrance of the locking groove, and the elastic portion 3022 releases its potential energy to push the locking portion 3021 into the locking groove. At this point, the geometric contour of the locking part 3021 and the complementary contour of the locking groove form a mechanical interlock, effectively resisting the longitudinal separation force when the watch strap is pulled.

[0030] It is worth noting that the locking member 302 also includes a pressing part 3023, which is connected to the elastic part 3022. A force can be applied to the pressing part 3023 to compress the elastic part 3022, thereby causing the locking part 3021 to disengage from the locking groove. When the user needs to unlock the clasp, the axial pressure applied to the pressing part 3023 on the outside of the second clasp 2 is directly transmitted to the elastic part 3022 through the rigid connector, forcing the elastic part 3022 to undergo compression deformation. At this time, the locking part 3021, rigidly connected to the other end of the elastic part 3022, completely disengages its locking end face from the geometric constraint of the locking groove under the action of elastic potential energy, releasing the mechanical interlock. After the external force is released, the elastic part 3022 pushes the locking part 3021 to automatically reset to the standby position through deformation recovery, ensuring that it can accurately engage with the locking groove the next time it is locked. This design achieves three major technological breakthroughs: First, by decoupling the movement of the pressing part 3023 and the locking part 3021, the single-hand unlocking force is reduced compared to the traditional horizontal toss structure, improving the ease of operation; Second, the rigid connector ensures efficient mechanical transmission and avoids the operational lag problem caused by flexible connections; Third, the phased release mechanism of magnetic attraction and mechanical locking (mechanical first, then magnetic) effectively prevents the risk of accidental drops, improving safety compared to a pure magnetic attraction solution.

[0031] Simultaneously, two locking members 302 are provided, spaced apart on both sides of the main body 301 along a first direction perpendicular to the length direction of the watch strap. The two locking members 302 are symmetrically arranged on both sides of the main body 301 along a direction perpendicular to the length of the watch strap. When the second buckle 2 is inserted into the buckle hole 101 of the first buckle 1, the guide surfaces of the locking portions 3021 on both sides simultaneously contact the hole wall, synchronously compressing the elastic portions 3022 under the insertion force and retracting inwards. When the buckle assembly 3 reaches the predetermined position, the elastic portions 3022 release their stored energy, pushing the locking portions 3021 on both sides to simultaneously engage with the corresponding locking grooves, forming a two-way mechanical interlock. In this design, the symmetrical layout creates a dual-point constraint on the clasp perpendicular to the length of the strap (i.e., the direction of wrist flexion), increasing torsional stiffness compared to a single-sided locking structure and effectively resisting torsional torque during daily use. Furthermore, the synchronous movement mechanism of the dual locking components 302 ensures self-centering during the closing process, guaranteeing that both locking parts 3021 are in place simultaneously even with manufacturing errors, avoiding unlocking difficulties caused by single-sided jamming. Additionally, when the strap is stretched, the dual locking structure distributes the longitudinal load into two symmetrical components, improving the uniformity of force on the main component 301 compared to a single-sided structure and significantly reducing the risk of stress concentration. Unlocking requires simultaneously pressing both pressing parts 3023 to synchronously compress the elastic part 3022. This dual-operation-point design effectively prevents accidental unlocking, while the temporary holding force of the magnetic module provides a buffer time for two-handed operation, balancing safety and ease of use.

[0032] As an optional specific implementation, this solution eliminates the pressing part 3023 on the main body 301, and replaces the unlocking method with direct pressing of the main body 301. The elastic part 3022 drives the locking part 3021 to forcibly disengage from the locking groove to complete the unlocking. In this application, the buckle structure that eliminates the independent pressing part 3023 achieves a simplified unlocking mechanism through the direct mechanical coupling between the main body 301 and the elastic part 3022. When the user applies axial pressing force to the main body 301 of the buckle assembly 3 of the second buckle 2, the pressure is directly transmitted to the elastic part 3022 through the rigid connection surface between the main body 301 and the elastic part 3022, forcing the elastic part 3022 to undergo compression deformation. Since the locking part 3021 and the elastic part 3022 adopt an integrated linkage design, the deformation of the elastic part 3022 will drive the locking part 3021 to produce a component movement perpendicular to the pressing direction, and its locking end face is forcibly disengaged from the geometric constraint of the locking groove.

[0033] In some embodiments, one end of the second strap 7 can be connected to the smart body 8 of the smartwatch. An adjustment structure is provided between the second buckle 2 and the second strap 7, allowing the second buckle 2 to move and adjust along the length direction of the second strap 7, thereby increasing or decreasing the distance between the second buckle 2 and the smart body 8. In this scheme, the sliding adjustment structure of the second buckle 2 and the second strap 7 achieves continuous adjustment of the effective length of the strap through elastic locking and guiding cooperation. When the user needs to adjust the buckle position, a push-pull force is applied to the second buckle 2 along the length direction of the strap. At this time, the built-in elastic locking mechanism is deformed by compression, releasing the constraint with the strap, allowing the buckle to slide freely along a preset track. After adjusting to the target position, the external force is released, the elastic mechanism resets and re-establishes the limit, fixing the buckle position. This design, through the synergistic effect of mechanical limit and elastic element, simplifies the hole matching operation of traditional buckles while ensuring adjustment accuracy.

[0034] The adjustment structure includes a protrusion inside the second buckle 2 and a groove 701 on the second strap 7. Multiple grooves 701 are provided along the length of the second strap 7, and the protrusion can engage and lock with any one of the grooves 701. The second buckle 2 has an elastic protrusion with a hemispherical or wedge-shaped end. Multiple grooves 701 are evenly distributed along the length of the second strap 7, and the contours of the grooves 701 complement the ends of the protrusions. When the user needs to adjust the buckle position, a pushing or pulling force parallel to the strap direction is applied to the buckle, forcing the elastic protrusion to radially contract and disengage from the current groove 701. At this time, the buckle can slide freely along the strap. When the protrusion moves above the target groove 701, the pushing or pulling force is released, and the elastic protrusion resets under its own elasticity and embeds into the new groove 701, completing the position locking. This design transforms strap length adjustment into a perceptible three-step operation of "push-pull-slide-lock" through discrete position settings. Each groove with a spacing of 701 corresponds to a specific wrist circumference adaptation parameter, ensuring adjustment accuracy while simplifying the complexity of traditional continuous adjustment structures.

[0035] It is worth mentioning that the first clasp 1 is provided with a first magnetic attractor 4, and the second clasp 2 is provided with a second magnetic attractor 5 that magnetically engages with the first magnetic attractor 4. When the fastening assembly 3 of the second clasp 2 approaches the fastening hole 101 of the first clasp 1, the first magnetic attractor 4 and the second magnetic attractor 5, which are built into both, generate a cross-gap magnetic force, guiding the fastening assembly 3 to automatically align with the insertion hole direction. During the fastening process, the magnetic force continues to act until the locking member 302 is fully embedded in the locking groove. At this time, the magnetic force and the mechanical buckle form a double fixation: the magnetic force mainly resists the lateral shear force when the strap is stretched, while the mechanical locking structure bears the longitudinal separation load. This design utilizes the non-contact characteristics of the magnetic field to pre-position with magnetic assistance in the early stage of the closing phase, reducing hard friction between mechanical structures, and enhances the closure reliability in the later stage through the superposition of magnetic force and mechanical constraints.

[0036] In addition, two first magnetic components 4 are provided, and the two first magnetic components 4 are spaced apart along the length of the first strap 6 on the first buckle 1. The dual-point magnetic attraction layout creates a "magnetic bridge" structure when the buckle is closed, which improves the lateral shear strength compared to single-point magnetic attraction and increases the threshold of accidental pulling force that it can withstand, making it particularly suitable for sports scenarios or scenarios where children use the watch. Moreover, the dual magnetic attraction layout forms a natural fault protection mechanism. When a single magnetic component demagnetizes due to external impact, the remaining magnetic components can still maintain the basic closing function, improving the reliability compared to the single magnetic attraction structure.

[0037] On the other hand, a smartwatch is also provided, including a smart body 8 and a buckle structure as described above, wherein the two ends of the smart body 8 are respectively connected to the first watch strap 6 and the second watch strap 7.

[0038] In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and other orientations or positional relationships are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used merely for descriptive distinction and have no special meaning.

[0039] In the description of this specification, references to terms such as "an embodiment," "example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0040] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0041] The technical principles of this application have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this application and should not be construed as limiting the scope of protection of this application in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this application without inventive effort, and these embodiments will all fall within the scope of protection of this application.

Claims

1. A watch buckle structure for fastening a first watch strap (6) and a second watch strap (7), characterized in that, The buckle structure includes: a first buckle (1) and a second buckle (2). The first buckle (1) is disposed on the first watch strap (6), and the second buckle (2) is disposed on the second watch strap (7). The first buckle (1) has a hole (101) formed in the middle, and the second buckle (2) has a buckling component (3) that engages with the buckling hole (101).

2. The buckle structure according to claim 1, characterized in that, The wall of the fastening hole (101) is provided with a locking groove. The fastening assembly (3) includes a main body (301) and a locking member (302) disposed on the main body (301). The main body (301) is fitted into the fastening hole (101) so that the locking member (302) is at least partially locked in the locking groove.

3. The buckle structure according to claim 2, characterized in that, The locking member (302) includes a locking part (3021) and an elastic part (3022). The locking part (3021) is disposed on the main body (301), and the elastic part (3022) is disposed between the main body (301) and the locking part (3021). The elastic part (3022) causes the locking part (3021) to always have a tendency to move toward the locking groove.

4. The buckle structure according to claim 3, characterized in that, The locking member (302) further includes a pressing part (3023), which is connected to the elastic part (3022). A force can be applied to the pressing part (3023) to compress the elastic part (3022), thereby causing the locking part (3021) to disengage from the locking groove.

5. The buckle structure according to claim 4, characterized in that, Two locking members (302) are provided, and the two locking members (302) are spaced apart on both sides of the main body (301) along a first direction, wherein the first direction is perpendicular to the length direction of the watch strap.

6. The watch buckle structure according to any one of claims 1-5, characterized in that, One end of the second strap (7) can be connected to the smart body (8) of the smart watch. An adjustment structure is provided between the second buckle (2) and the second strap (7) so that the second buckle (2) can be moved and adjusted along the length direction of the second strap (7), thereby increasing or decreasing the distance between the second buckle (2) and the smart body (8).

7. The watch buckle structure according to claim 6, characterized in that, The adjustment structure includes a protrusion disposed inside the second buckle (2) and a groove (701) disposed on the second strap (7). Multiple grooves (701) are provided along the length direction of the second strap (7), and the protrusion can engage with any one of the grooves (701) to lock.

8. The watch buckle structure according to any one of claims 1-5, characterized in that, The first buckle (1) is provided with a first magnetic element (4), and the second buckle (2) is provided with a second magnetic element (5) that magnetically engages with the first magnetic element (4).

9. The watch buckle structure according to claim 8, characterized in that, There are two first magnetic components (4), and the two first magnetic components (4) are spaced apart on the first buckle (1) along the length direction of the first watch strap (6).

10. A smartwatch, characterized in that, It includes a smart body (8) and a buckle structure as described in any one of claims 1-9, wherein the two ends of the smart body (8) are respectively connected to the first watch strap (6) and the second watch strap (7).