Watch band

By designing a support base, connecting plate, hook, and locking block into the watch strap, combined with the magnetic attraction force, the problem of magnetic watch straps easily falling off is solved, the connection strength and wearing comfort are improved, and the lifespan of the magnet is extended.

CN223830475UActive Publication Date: 2026-01-27SHENZHEN HAILIANXIN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520632683.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-01-27
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

Magnetic watch straps are prone to falling off due to insufficient magnetic force, affecting user experience and security.

Method used

The design employs a first and second buckle, utilizing magnetic attraction combined with plugging and snapping methods to enhance connection strength. The structure includes a support base, connecting plate, hook, locking block, and locking slot, which restricts the buckle's freedom of movement in the horizontal and vertical directions.

Benefits of technology

It effectively solves the problem of watch straps falling off, improves connection strength and wearing comfort, and extends the lifespan and aesthetics of the magnets.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a watchband, which belongs to the technical field of watch parts and comprises a first watchband and a second watchband, a first watch buckle is arranged at the free end of the first watchband, a first magnet is arranged in the first watch buckle, a second watch buckle is arranged at the free end of the second watchband, and a second magnet corresponding to the first magnet is arranged in the second watch buckle. The first watch buckle comprises a supporting seat and a connecting plate. According to the watchband provided by the utility model, the top surface of the connecting plate is provided with the scrabbling hook, and the side surface of the free end of the second watch buckle is provided with the clamping block; the scrabbling hook is inserted and matched with a limiting insertion hole formed in the bottom surface of the second watch buckle, so that the degree of freedom of the first watch buckle and the second watch buckle in the horizontal direction is limited; the clamping block is clamped and matched with the clamping groove in the supporting seat, so that the freedom degree of the first watch buckle and the second watch buckle in the vertical direction is limited.
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Description

Technical Field

[0001] This utility model belongs to the technical field of watch parts, and more specifically, it relates to a watch strap. Background Technology

[0002] Magnetic watch straps have become a mainstream design for smart wearable devices in recent years due to their convenient and quick-wearing characteristics. However, their tendency to fall off has always constrained user experience and security. This problem stems from the inherent technical contradictions of magnetic structures: on the one hand, traditional unidirectional magnetic designs (such as the combination of neodymium iron boron magnets and magnetically conductive metal sheets) rely on the uniformity of magnetic field distribution. However, in actual manufacturing, they are easily affected by magnetic pole alignment deviations, edge magnetic flux attenuation, and environmental interference (such as magnet oxidation caused by sweat corrosion and hysteresis loss caused by temperature changes), resulting in insufficient effective adsorption force. Utility Model Content

[0003] The purpose of this invention is to provide a watch strap that solves the problem of existing magnetic watch straps falling off due to insufficient adsorption force.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A watch strap is provided, comprising: a first strap and a second strap. The free end of the first strap is provided with a first buckle, and the first buckle contains a first magnet. The free end of the second strap is provided with a second buckle, and the second buckle contains a second magnet corresponding to the first magnet. The first buckle comprises a support base and a connecting plate. The support base is connected to the first strap. The connecting plate is fixed to the side of the support base away from the first strap. The bottom surface of the connecting plate contacts human skin. The top surface of the connecting plate is provided with a hook. The bottom surface of the second buckle is provided with a limiting insertion hole that engages with the hook. The free end of the second buckle is provided with a locking block. The side wall of the support base is provided with a locking groove that engages with the locking block.

[0005] In one possible implementation, the bottom of the card block is provided with a guide ramp.

[0006] In one possible implementation, the bottom surface of the second buckle has a receiving groove adapted to the connecting plate, the depth of the receiving groove being equal to the thickness of the connecting plate.

[0007] In one possible implementation, the limiting hole is a through hole that extends from top to bottom through the second buckle.

[0008] In one possible implementation, the top surface of the second buckle is provided with a relief groove, which communicates with the limiting hole, and the bottom surface of the relief groove is lower than the top surface of the hook.

[0009] In one possible implementation, the bottom surface of the connecting plate is provided with weight-reduction holes.

[0010] In one possible implementation, the hook has a notch on the side facing the support base, and the notch communicates with the weight reduction hole.

[0011] In one possible implementation, the top surface of the connecting plate has a first cavity for placing the first magnet, and the top opening of the first cavity is fitted with a first sealing plate. The bottom surface of the second buckle has a second cavity for placing the second magnet, and the bottom opening of the second cavity is fitted with a second sealing plate.

[0012] In one possible implementation, the connecting plate has ventilation holes inside, which penetrate the connecting plate horizontally and communicate with the weight reduction holes.

[0013] In one possible implementation, a sweat-absorbing component is installed at the bottom of the connecting plate.

[0014] Compared with the prior art, the solution shown in this application embodiment of the watch strap of the present invention includes a first buckle comprising a support base and a connecting plate. The top surface of the connecting plate is provided with a hook, and the free end side of the second buckle is provided with a locking block. The hook engages with a limiting insertion hole opened on the bottom surface of the second buckle, thereby restricting the horizontal freedom of the first and second buckles. The locking block engages with a slot on the support base, thereby restricting the vertical freedom of the first and second buckles. Therefore, in addition to using the magnetic force between the first and second magnets to attract the first and second buckles together, the watch strap of this application also improves the connection strength of the first and second buckles through the connection methods of insertion and locking, effectively solving the problem of the first and second watch straps falling off. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, 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 these drawings without creative effort.

[0016] Figure 1 A three-dimensional watch strap provided for embodiments of this utility model Figure 3 ;

[0017] Figure 2 A three-dimensional watch strap provided for embodiments of this utility model Figure 2 ;

[0018] Figure 3This is a structural diagram of a watch strap in an detached state, provided as an embodiment of the present utility model.

[0019] Figure 4 The three-dimensional first watch buckle provided for the embodiments of this utility model Figure 1 ;

[0020] Figure 5 The three-dimensional first watch buckle provided for the embodiments of this utility model Figure 2 ;

[0021] Figure 6 The three-dimensional first watch buckle provided for the embodiments of this utility model Figure 3 ;

[0022] Figure 7 The three-dimensional second watch buckle provided in this embodiment of the utility model Figure 1 ;

[0023] Figure 8 The three-dimensional second watch buckle provided in this embodiment of the utility model Figure 2 ;

[0024] Figure 9 The three-dimensional first buckle (concealing the first cover) provided in the embodiment of this utility model Figure 4 ;

[0025] Figure 10 The three-dimensional design of the second watch buckle (concealing the second cover) provided in this embodiment of the utility model Figure 3 ;

[0026] Figure 11 A partial cross-sectional view of the first buckle provided for an embodiment of this utility model;

[0027] Figure 12 A cross-sectional view of the hose provided in an embodiment of this utility model;

[0028] Figure 13 A partial cross-sectional view of the second buckle provided in an embodiment of the present utility model.

[0029] In the diagram: 1. First watch strap; 101. First buckle; 102. First magnet; 103. Support base; 104. Connecting plate; 105. Hook; 106. Weight reduction hole; 107. Groove; 108. First cavity; 109. First sealing plate; 110. Ventilation hole; 111. Sweat-absorbing component; 112. Aerogel fabric layer; 113. Cooling fabric layer; 114. Bamboo cotton fabric layer; 115. Flexible tube; 116. Vent hole; 2. Second watch strap; 201. Second buckle; 202. Second magnet; 203. Limiting insertion hole; 204. Locking block; 205. Locking groove; 206. Guide slope; 207. Receiving groove; 208. Relief groove; 209. Second cavity; 210. Second sealing plate; 211. Magnetic shielding sheet; 3. Reinforcing rib. Detailed Implementation

[0030] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0031] Please refer to the following: Figures 1 to 10 The present invention will now describe a watch strap provided by this utility model. The watch strap includes: a first strap 1 and a second strap 2. The free end of the first strap 1 is provided with a first buckle 101, and the first buckle 101 is provided with a first magnet 102 inside. The free end of the second strap 2 is provided with a second buckle 201, and the second buckle 201 is provided with a second magnet 202 corresponding to the first magnet 102 inside. The first buckle 101 includes a support base 103 and a connecting plate 104. The support base 103 is connected to the first strap 1. The connecting plate 104 is fixed to the side of the support base 103 away from the first strap 1. The bottom surface of the connecting plate 104 is in contact with human skin. The top surface of the connecting plate 104 is provided with a hook 105. The bottom surface of the second buckle 201 is provided with a limiting insertion hole 203 that engages with the hook 105. The free end side of the second buckle 201 is provided with a locking block 204. The side wall of the support base 103 is provided with a locking groove 205 that engages with the locking block 204.

[0032] This embodiment provides a watch strap that, compared to the prior art, includes a first buckle 101 comprising a support base 103 and a connecting plate 104. The top surface of the connecting plate 104 is provided with a hook 105, and the free end side of the second buckle 201 is provided with a locking block 204. The hook 105 engages with a limiting insertion hole 203 on the bottom surface of the second buckle 201, thereby restricting the horizontal freedom of the first buckle 101 and the second buckle 201. The locking block 204 engages with a locking groove 205 on the support base 103, thereby restricting the vertical freedom of the first buckle 101 and the second buckle 201. Therefore, in addition to using the magnetic force between the first magnet 102 and the second magnet 202 to attract the first buckle 101 and the second buckle 201 together, this watch strap also improves the connection strength of the first buckle 101 and the second buckle 201 through the insertion and locking connection methods, effectively solving the problem of the first strap 1 and the second strap 2 falling off.

[0033] In this embodiment, before assembling the first buckle 101 and the second buckle 201, the first buckle 101 is located directly below the second buckle 201. During the assembly of the first buckle 101 and the second buckle 201, the first buckle 101 and the second buckle 201 move closer to each other, the hook 105 inserts upward into the limiting socket 203, and the locking block 204 is eventually locked into the slot 205 under the action of external force. When it is necessary to separate the first buckle 101 and the second buckle 201, while holding the first buckle 101 and the second buckle 201 respectively, applying opposite forces to the first buckle 101 and the second buckle 201 respectively will cause the hook 105 to disengage from the limiting socket 203, and at the same time cause the locking block 204 to pass through the slot 205.

[0034] In some embodiments, please refer to Figure 7 and Figure 8 The bottom of the locking block 204 is provided with a guide slope 206. In this embodiment, the guide slope 206 is located on the front side of the bottom of the locking block 204. When assembling the first buckle 101 and the second buckle 201, the guide slope 206 will first contact the top surface of the support base 103. Under the action of external force, the locking block 204 will move downward relative to the support base 103 and gradually approach the locking groove 205. Since the guide slope 206 is an inclined surface, the resistance to the downward movement of the locking block 204 is reduced, making the operation more effortless.

[0035] In some embodiments, please refer to Figure 7 and Figure 8The bottom surface of the second buckle 201 has a receiving groove 207 that matches the connecting plate 104. The depth of the receiving groove 207 is equal to the thickness of the connecting plate 104. In this embodiment, the receiving groove 207 is formed on the bottom surface of the second buckle 201 and penetrates the side wall of the free end of the second buckle 201, so that the connecting plate 104 can be completely inserted into the receiving groove 207. That is, the second buckle 201 wraps the connecting plate 104 inside, and the connecting plate 104 is not visible during wearing, thus improving the overall aesthetics. Since the depth of the receiving groove 207 is equal to the thickness of the connecting plate 104, the bottom surface of the connecting plate 104 is flush with the bottom surface of the second buckle 201, improving the comfort during wearing.

[0036] In some embodiments, please refer to Figure 7 and Figure 8 The limiting insertion hole 203 is a through hole that extends from top to bottom through the second buckle 201. In this embodiment, since the limiting through hole extends from top to bottom through the second buckle 201, a downward force can be applied directly to the hook 105 from the outside, making it easier for the hook 105 to detach from the limiting insertion hole 203 and reducing the difficulty of disassembling and assembling the first buckle 101 and the second buckle 201.

[0037] In some embodiments, please refer to Figure 7 The top surface of the second buckle 201 is provided with a clearance groove 208, which communicates with the limiting insertion hole 203. The bottom surface of the clearance groove 208 is lower than the top surface of the hook 105. In this embodiment, when the first buckle 101 and the second buckle 201 are connected, the top surface of the hook 105 is flush with the top surface of the second buckle 201. The clearance groove 208 is formed on the top surface of the second buckle 201 and communicates with the limiting insertion hole 203. Therefore, when the operator applies a downward force to the hook 105 with their fingers, the clearance groove 208 can provide more operating space for the fingers, ensuring that the fingers can apply sufficient pressing pressure to the hook 105.

[0038] In some embodiments, please refer to Figure 6 The bottom surface of the connecting plate 104 is provided with weight reduction holes 106. In this embodiment, by providing weight reduction holes 106 on the bottom surface of the connecting plate 104, the weight of the connecting plate 104 itself can be reduced, saving material costs. On the other hand, the contact area between the connecting plate 104 and human skin is reduced, allowing the heat generated by the human skin to dissipate more quickly and improving wearing comfort.

[0039] In some embodiments, please refer to Figure 4 and Figure 6A notch 107 is provided on the side of the hook 105 facing the support base 103, and the notch 107 communicates with the weight reduction hole 106. In this embodiment, the notch 107 is provided on the side wall of the hook 105 facing the support base 103, and the notch 107 communicates with the weight reduction hole 106. After the heat generated by the human body enters the weight reduction hole 106, it can be discharged through the notch 107. By providing a notch 107 on one side of the hook 105, the amount of elastic deformation of the hook 105 under the action of external force can be increased. Since the notch 107 is facing the support base 103, the hook 105 can elastically deform relative to the connecting plate 104 to the side away from the support base 103, so that the locking block 204 can be more smoothly disengaged from the locking slot 205. The first buckle 101 and the second buckle 201 of this application are both made of plastic material, which can produce a certain amount of elastic deformation under the action of external force.

[0040] In some embodiments, please refer to Figure 4 , Figure 8 , Figure 9 , Figure 10 and Figure 13 The top surface of the connecting plate 104 has a first cavity 108 for placing the first magnet 102. A first sealing plate 109 is installed at the top opening of the first cavity 108. The bottom surface of the second buckle 201 has a second cavity 209 for placing the second magnet 202. A second sealing plate 210 is installed at the bottom opening of the second cavity 209. In this embodiment, the first sealing plate 109 seals the first magnet 102 in the first cavity 108, and the second sealing plate 210 seals the second magnet 202 in the second cavity 209. Since the first magnet 102 and the second magnet 202 are isolated from the outside world, it is possible to prevent foreign objects or sweat from the human body from damaging the first magnet 102 and the second magnet 202. There are two of each of the first magnet 102 and the second magnet 202, and they are arranged vertically in pairs. Both the first cavity 108 and the second cavity 209 are provided with reinforcing ribs 3, which are arranged in circular grooves for placing the first magnet 102 and the second magnet 202. These circular grooves can position the first magnet 102 and the second magnet 202, ensuring their positional accuracy. A magnetic shielding sheet 211 is attached and fixed to the top surface of the second magnet 202. The magnetic shielding sheet 211 can enhance the magnetic force of the second magnet 202 towards the first magnet 102, and also isolate the magnetic force of the second magnet 202 away from the first magnet 102, preventing foreign objects from being attracted to the outer surface of the second buckle 201 due to magnetic force.

[0041] In some embodiments, please refer to Figure 4 and Figure 6The connecting plate 104 has ventilation holes 110 inside, which penetrate the connecting plate 104 horizontally and communicate with the weight reduction holes 106. In this embodiment, there are multiple ventilation holes 110, which are evenly arranged in parallel horizontally. The ventilation holes 110 are located below the first cavity 108. The heat from the human body is transferred to the connecting plate 104 through heat conduction. When cold air from the outside passes through the ventilation holes 110, it carries away the heat, thereby cooling the connecting plate 104. High temperatures can affect the service life of the first magnet 102 and the second magnet 202. Therefore, by providing ventilation holes 110 on the connecting plate 104, the heat transferred to the first magnet 102 and the second magnet 202 is reduced, thus extending the service life of the first magnet 102 and the second magnet 202.

[0042] In some embodiments, please refer to Figure 6 , Figure 11 and Figure 12A sweat-absorbing component 111 is installed at the bottom of the connecting plate 104. In this embodiment, a receiving cavity for accommodating the sweat-absorbing component 111 is formed on the bottom surface of the connecting plate 104, and the bottom surface of the sweat-absorbing component 111 is flush with the bottom surface of the connecting plate 104. The periphery of the sweat-absorbing component 111 is fixedly connected to the inner wall of the receiving cavity. The sweat-absorbing component 111 is fixedly installed on the bottom surface of the connecting plate 104, so the sweat-absorbing component 111 is in direct contact with human skin, and the sweat produced by the human body can be directly absorbed by the sweat-absorbing component 111, thereby improving the comfort of the human body when wearing the watch. The sweat-absorbing component 111 includes an aerogel fabric layer 112, a cooling fabric layer 113, and a bamboo cotton fabric layer 114 arranged sequentially from top to bottom. The bamboo cotton fabric layer 114 is in direct contact with human skin. The bamboo cotton fabric layer 114 combines the antibacterial properties of bamboo fiber and the comfort of cotton, avoiding the growth of bacteria and improving the comfort of human skin. The bamboo cotton fabric layer 114 also absorbs sweat and transfers heat and moisture to the cooling fabric layer 113. The cooling fabric layer 113 enhances the wicking effect through irregularly shaped cross-section fibers (such as Y-shaped and cross-shaped fibers), rapidly wicking away moisture and lowering temperature. The cooling fabric layer 113 is at the same level as the ventilation holes 110, allowing cool air from the ventilation holes 110 to pass through it, carrying away heat and moisture and keeping the skin dry. A flexible hose 115 is installed inside the cooling fabric layer 113, with both ends of the hose connected to the ventilation holes 110. Ventilation holes 116 are evenly distributed around the outer circumference of the hose 115. The hose 115 is made of rubber and can undergo some elastic deformation. Because the circumference of the sweat-absorbing component 111 remains fixed to the inner wall of the cavity, the hose 115 remains connected to the ventilation holes 110. During human movement, the flexible tube 115 deforms under stress, causing a change in pressure within it. This natural movement induces automatic ventilation within the sweat-absorbing component 111, accelerating cooling and dehumidification. Heat and moisture from the cooling fabric layer 113 enter the flexible tube 115 through the vent 116 and are then expelled to the external environment through the ventilation hole 110. The aerogel fabric layer 112 utilizes aerogel, a nano-porous solid material. It provides support for the cooling fabric layer 113 and the bamboo cotton fabric layer 114, while also providing insulation. The aerogel fabric layer 112 prevents heat from being conducted upwards, thus avoiding any impact on the first magnet 102 and the second magnet 202.

[0043] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A watch strap, comprising: A first watch strap and a second watch strap, wherein the free end of the first watch strap is provided with a first buckle, and the first buckle contains a first magnet; the free end of the second watch strap is provided with a second buckle, and the second buckle contains a second magnet corresponding to the first magnet; characterized in that the first buckle includes a support base and a connecting plate, the support base is connected to the first watch strap, the connecting plate is fixed to the side of the support base away from the first watch strap, the bottom surface of the connecting plate is in contact with human skin, the top surface of the connecting plate is provided with a hook, the bottom surface of the second buckle is provided with a limiting insertion hole that engages with the hook, the free end of the second buckle is provided with a locking block, and the side wall of the support base is provided with a locking groove that engages with the locking block.

2. A watch strap as described in claim 1, characterized in that, The bottom of the card block is provided with a guide slope.

3. A watch strap as described in claim 1, characterized in that, The bottom surface of the second buckle has a receiving groove that is adapted to the connecting plate, and the depth of the receiving groove is equal to the thickness of the connecting plate.

4. A watch strap as described in claim 1, characterized in that, The limiting insertion hole is a through hole that passes through the second buckle from top to bottom.

5. A watch strap as described in claim 4, characterized in that, The top surface of the second buckle is provided with a relief groove, which is connected to the limiting hole, and the bottom surface of the relief groove is lower than the top surface of the hook.

6. A watch strap as described in claim 1, characterized in that, The bottom surface of the connecting plate has weight-reduction holes.

7. A watch strap as described in claim 6, characterized in that, The hook has a notch on the side facing the support base, and the notch communicates with the weight reduction hole.

8. A watch strap as described in claim 1, characterized in that, The top surface of the connecting plate has a first cavity for placing the first magnet, and a first sealing plate is installed at the top opening of the first cavity. The bottom surface of the second buckle has a second cavity for placing the second magnet, and a second sealing plate is installed at the bottom opening of the second cavity.

9. A watch strap as described in claim 6, characterized in that, The connecting plate has ventilation holes inside, which penetrate the connecting plate horizontally and communicate with the weight reduction holes.

10. A watch strap as described in claim 1, characterized in that, A sweat-absorbing component is installed at the bottom of the connecting plate.