Rotary connection structure and wearable device
Patent Information
- Application Number
- CN202522117368.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-30
- Publication Date
- 2026-09-15
- Estimated Expiration
- 2035-09-30
AI Technical Summary
[0025] Secondly, this application provides a wearable device, including the rotating connection structure described in the first aspect, wherein the first main body is the host body of the wearable device, and the second main body is the wrist rest of the wearable device.
Smart Images
Figure CN224758907U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wearable device technology, and more particularly to a rotating connection structure and a wearable device. Background Technology
[0002] In recent years, with the continuous development and innovation of electronic technology, wearable smart devices have become an indispensable part of modern production and life, and are gradually being applied to more diverse scenarios. Currently, wearable smart devices on the market, such as smartwatches, generally have functions such as video calls and taking photos, in addition to the conventional function of telling time. In order to facilitate quick changes in the orientation of the main unit's screen to meet users' needs for video calls and taking photos, the main unit of existing smartwatches is usually rotated and connected to the wrist rest for flexible flipping.
[0003] Most existing smartwatches use a long shaft coaxially running through the connection point between the main unit and the wrist rest to achieve rotational connection. However, this connection structure is prone to localized wear or deformation due to stress concentration during long-term use, leading to misalignment of the shaft and hole. This can cause the main unit to rotate unevenly or produce abnormal noises, reducing the user experience and requiring improvement. Utility Model Content
[0004] The purpose of this invention is to provide a rotary connection structure and wearable device that enables a reliable rotary connection between two main bodies, reduces the risk of local wear or deformation of the rotating parts due to stress concentration during long-term flipping use, and improves the user experience.
[0005] The technical solution provided by this utility model is as follows:
[0006] This utility model provides a rotary connection structure for rotary connection between a first body and a second body. One side of the first body is a first connecting part, and one side of the second body is a second connecting part. An assembly cavity is formed between the first connecting part and the second connecting part.
[0007] The rotary connection structure is disposed within the assembly cavity, and the rotary connection structure includes: a main shaft and a secondary shaft, the main shaft and the secondary shaft being coaxially arranged, and the difference in length between the main shaft and the secondary shaft being less than a preset distance; a first end of the main shaft is fixedly connected to the first body, a second end of the main shaft is movably connected to the first end of the secondary shaft, and the secondary shaft is also fixedly connected to the second body through a connector, so that the first body and the second body are rotatably connected through the main shaft and the secondary shaft;
[0008] The outer sides of the main shaft and the secondary shaft are provided with decorative parts that are adapted to the assembly cavity, and the rotational connection between the first main body and the second main body is limited by the decorative parts.
[0009] This application employs a rotary connection structure comprising a main shaft and a secondary shaft, with the secondary shaft being at least as long as the main shaft. The first and second main bodies are rotaryly connected via the main shaft and the secondary shaft. Compared to using a single long shaft running through both bodies for this connection, this method disperses the stress generated during the rotation of the two bodies, facilitating a reliable rotary connection and reducing the risk of localized wear or deformation of the rotating parts due to stress concentration. This improves product lifespan and user experience. Furthermore, using a main shaft and a secondary shaft for the rotary connection simplifies manufacturing processes and facilitates component disassembly and replacement, thus reducing costs.
[0010] In some embodiments, a first rotating groove is provided at the first end of the secondary shaft;
[0011] The second end of the main shaft is inserted into the first rotating groove; or, the second end of the main shaft is provided with a first rotating shaft, the diameter of the first rotating shaft is smaller than the diameter of the main shaft, and the first rotating shaft is inserted into the first rotating groove.
[0012] In some embodiments, a second rotating groove is provided at the second end of the spindle;
[0013] The first end of the secondary shaft is inserted into the second rotating groove; or, the first end of the secondary shaft is provided with a second rotating shaft, the diameter of the second rotating shaft is smaller than the diameter of the secondary shaft, and the second rotating shaft is inserted into the second rotating groove.
[0014] In some embodiments, the connector is disposed between the sub-shaft and the second body;
[0015] The connector is fixedly connected to the sub-shaft and the second main body by a bolt assembly, or the connector is a fixing adhesive disposed between the sub-shaft and the second main body.
[0016] In some embodiments, the first main body is further provided with a first rotating groove on the side near the secondary shaft, and the second end of the secondary shaft is movably inserted into the first rotating groove; or,
[0017] The first main body is also provided with a rotating connecting block on the side near the secondary shaft. The rotating connecting block is provided with a second rotating groove on the side facing the second end of the secondary shaft. The second end of the secondary shaft is movably inserted into the second rotating groove, or the second end of the secondary shaft is movably inserted into the second rotating groove through a third rotating shaft.
[0018] In some embodiments, a first slot is provided on the side of the first connecting portion facing the second connecting portion, and the first slot and the second connecting portion form the assembly cavity; or,
[0019] The second connecting part has a second slot on the side facing the first connecting part, and the second slot and the first connecting part form the assembly cavity; or,
[0020] The first connecting part has a first slot on the side facing the second connecting part, and the second connecting part has a second slot on the side facing the first connecting part. The first slot and the second slot form the assembly cavity.
[0021] In some embodiments, the bottom end of the decorative element is snapped or bonded to the bottom end of the assembly cavity;
[0022] The width of the decorative component is slightly smaller than the width of the assembly cavity; or, the width of the decorative component is slightly larger than the width of the assembly cavity, and the two sides of the assembly cavity are provided with strip grooves that are adapted to the decorative component.
[0023] The top of the assembly cavity is provided with a slot that matches the top of the decorative part. When the first body and the second body rotate to a preset angle, the top of the decorative part abuts against the bottom of the slot and is limited in position.
[0024] In some implementations, the preset distance is half the length of the main shaft or the secondary shaft.
[0025] Secondly, this application provides a wearable device, including the rotating connection structure described in the first aspect, wherein the first main body is the host body of the wearable device, and the second main body is the wrist rest of the wearable device.
[0026] In some implementations, the wearable device is a smartwatch.
[0027] According to the present invention, a rotary connection structure and wearable device are provided. The rotary connection structure includes a main shaft and a secondary shaft, with the secondary shaft being at least as long as the main shaft. The first main body and the second main body are rotatably connected via the main shaft and the secondary shaft. Compared to using a long shaft running through the first and second main bodies for this connection, the stress generated during the rotation of the two main bodies can be dispersed, facilitating a reliable rotary connection between the two bodies. This also reduces the risk of localized wear or deformation of the rotating parts due to stress concentration, improving product lifespan and user experience. Furthermore, using a main shaft and a secondary shaft for the rotary connection of the first and second main bodies requires less sophisticated manufacturing processes and facilitates the disassembly and replacement of components, thus reducing costs. Attached Figure Description
[0028] The preferred embodiments will now be described in a clear and easy-to-understand manner, with reference to the accompanying drawings, to further explain the above-mentioned characteristics, technical features, advantages, and implementation methods of this solution.
[0029] Figure 1 This is a schematic diagram of the overall structure of one embodiment of the present utility model;
[0030] Figure 2 This is a schematic diagram of the structure from one observation angle according to one embodiment of the present invention;
[0031] Figure 3 This is a structural schematic diagram from another viewing angle of one embodiment of the present invention.
[0032] The numbers in the diagram are: 10-first main body; 20-second main body; 30-assembly cavity; 41-main shaft; 42-sub-shaft; 43-first rotating shaft; 44-rotating connecting block; 50-connecting piece; 60-decorative piece. Detailed Implementation
[0033] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the specific implementation methods of this utility model will be described below with reference to the accompanying drawings. Obviously, the drawings described below are merely some embodiments of this utility model. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without any creative effort.
[0034] To keep the drawings concise, only the parts relevant to this invention are shown schematically in each figure, and they do not represent the actual structure of the product. Furthermore, for ease of understanding, in some figures, only one of the components with the same structure or function is schematically depicted, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one."
[0035] Currently, wearable smart devices on the market, such as smartwatches, generally offer features beyond just telling time, including video calls and taking photos. To facilitate quick changes in the screen orientation of the main unit for video calls and photography, existing smartwatches typically have the main unit rotatably connected to a wrist rest for easy flipping. Most current smartwatches use a long, coaxial shaft running through the connection point between the main unit and the wrist rest to achieve this rotatable connection. However, this connection structure is prone to stress concentration during prolonged use, leading to localized wear or deformation, misalignment of the shaft and holes, and resulting in uneven rotation or unusual noises from the main unit, thus degrading the user experience and warranting improvement. To disperse stress generated during the structural flipping process, this application replaces the original single long shaft with two rotatably connected shafts, each fixedly connected to one of the two main bodies. This allows the rotational stress, originally concentrated at the ends, to be distributed throughout the entire rotatable connection structure, thus preventing localized wear or deformation of the rotating parts due to stress concentration. Furthermore, even if the rotating parts wear out after prolonged use, replacement of these parts is easier without needing to replace the entire rotatable connection structure, thereby reducing costs. The following is a detailed description of this solution with reference to the accompanying drawings:
[0036] In one embodiment, refer to the appendix to the specification. Figure 1 To be continued Figure 3 This utility model provides a rotary connection structure for rotating connection between a first body 10 and a second body 20. One side of the first body 10 is a first connecting portion, and one side of the second body 20 is a second connecting portion. An assembly cavity 30 is formed between the first and second connecting portions. The first body 10 and the second body 20 are two parts of a device. For example, when the product is a wearable device such as a smartwatch, the first body 10 is the main body of the wearable device, and the second body 20 is the wrist rest of the wearable device. To enable the first body 10 and the second body 20 to flip, the rotary connection structure is located on the same side of the first body 10 and the second body 20, i.e., on the same side edge. The rotary connection structure of this application can also be used in the rotary connection parts of other products, and this application is not limited thereto.
[0037] A rotary connection structure is disposed within the assembly cavity 30, and the rotary connection structure includes a main shaft 41 and a secondary shaft 42, which are coaxially arranged, and the difference in length between the main shaft 41 and the secondary shaft 42 is less than a preset distance. The main shaft 41 and the secondary shaft 42 are typically cylindrical. When the main shaft 41 is movably connected to the secondary shaft 42 via a rotating shaft, the main shaft 41 and the secondary shaft 42 can also be of other shapes, such as cuboids, etc., which are not limited in this application. When the product is a wearable device, the main shaft 41 and the secondary shaft 42 are typically made of plastic or metal. To facilitate the rotation of the first body 10 and the second body 20, and to avoid generating additional stress, the main shaft 41 and the secondary shaft 42 need to be coaxially arranged; at the same time, to disperse the stress generated during the flipping process of the first body 10 and the second body 20, this application extends the length of the secondary shaft 42, which can be equal to or nearly equal to the length of the main shaft 41. In one specific implementation, the preset distance is half the length of the main shaft 41 or the secondary shaft 42. In the prior art, there are also methods that use an additional secondary shaft (or a connector, connecting block, support block, etc. similar to a secondary shaft). However, in this method, the length of the secondary shaft is generally smaller than that of the main shaft. Although this solution is better than using a single long shaft, there is still a lot of room for improvement. In this application, the length of the secondary shaft 42 is increased, so that the long shaft is completely divided into two shafts, which can realize the stress dispersion generated during the flipping of the first main body 10 and the second main body 20.
[0038] The first end of the main shaft 41 is fixedly connected to the first body 10, and the second end of the main shaft 41 is movably connected to the first end of the secondary shaft 42. The secondary shaft 42 is also fixedly connected to the second body 20 through the connector 50, so that the first body 10 and the second body 20 are rotatably connected through the main shaft 41 and the secondary shaft 42.
[0039] To achieve a rotatable connection between the first main body 10 and the second main body 20, and to adapt to the structure of a smartwatch, this application provides a first end of the main shaft 41 fixedly connected to the first main body 10, and a secondary shaft 42 fixedly connected to the second main body 20 via a connector 50. The main shaft 41 and the secondary shaft 42 are movably connected, allowing the first main body 10 and the second main body 20 to be rotated via the main shaft 41 and the secondary shaft 42. The fixed connection between the main shaft 41 and the first main body 10, and the fixed connection between the secondary shaft 42 and the second main body 20, can be achieved through various connection methods, such as welding, bonding, or threaded connection, depending on the materials of the main shaft 41, the secondary shaft 42, the first main body 10, and the second main body 20. This application does not impose any restrictions on these methods.
[0040] A decorative element 60, adapted to the assembly cavity 30, is provided on the outer side of the main shaft 41 and the secondary shaft 42, and the rotational connection between the first main body 10 and the second main body 20 is limited by the decorative element 60. By providing the decorative element 60, on the one hand, the assembly cavity 30 can be easily opened to facilitate the disassembly, installation, and replacement of structures such as the main shaft 41 and the secondary shaft 42; on the other hand, the rotation of the first main body 10 and the second main body 20 can be limited. For example, when the product is a smartwatch, the rotation angle between the main body and the wrist rest is less than 90°. In this case, the rotation angle of the main body and the wrist rest needs to be limited to facilitate the use of the watch. This application can use the decorative element 60 to limit this rotation, allowing the decorative element 60 to have more functions and saving on components. Of course, since the decorative element 60 is located on the side of the wearable device, different shapes and colors can also be provided to decorate the wearable device.
[0041] This application employs a rotary connection structure comprising a main shaft 41 and a secondary shaft 42, with the secondary shaft 42 being at least as long as the main shaft 41. The first main body 10 and the second main body 20 are rotaryly connected via the main shaft 41 and the secondary shaft 42. Compared to using a long shaft running through the first and second main bodies for rotary connection, this method disperses the stress generated during the flipping and reversing of the first and second main bodies 10 and 20, facilitating a reliable rotary connection between the two bodies and reducing the risk of localized wear or deformation of the rotating parts due to stress concentration, thereby improving product lifespan and user experience. Furthermore, using the main shaft 41 and the secondary shaft 42 for rotary connection of the first and second main bodies 10 requires less sophisticated manufacturing processes and facilitates the disassembly and replacement of components, thus reducing costs.
[0042] In one embodiment, based on the aforementioned embodiments, the movable connection between the main shaft 41 and the secondary shaft 42 can be varied. For example, in one specific implementation, the first end of the secondary shaft 42 is provided with a first rotating groove; the second end of the main shaft 41 is inserted into the first rotating groove, allowing the main shaft 41 and the secondary shaft 42 to be movably connected. As another example, in one specific implementation, the first end of the secondary shaft 42 is provided with a first rotating groove; the second end of the main shaft 41 is provided with a first rotating shaft 43, the diameter of which is smaller than the diameter of the main shaft 41, and the first rotating shaft 43 is inserted into the first rotating groove, allowing the main shaft 41 and the secondary shaft 42 to be movably connected. Yet another example, in one specific implementation, the second end of the main shaft 41 is provided with a second rotating groove; the first end of the secondary shaft 42 is inserted into the second rotating groove, allowing the main shaft 41 and the secondary shaft 42 to be movably connected. For example, in one specific implementation, the second end of the main shaft 41 is provided with a second rotating groove; the first end of the secondary shaft 42 is provided with a second rotating shaft, the diameter of which is smaller than the diameter of the secondary shaft 42, and the second rotating shaft is inserted into the second rotating groove, so that the main shaft 41 and the secondary shaft 42 can be movably connected. In other embodiments, other rotary connection methods can also be used, such as using bearings to achieve the movable connection between the main shaft 41 and the secondary shaft 42, etc., which are not limited in this application.
[0043] In one embodiment, based on the foregoing embodiments, the connector 50 is disposed between the sub-shaft 42 and the second body 20. The connector 50 of this application can take various forms. For example, in one specific implementation, the connector 50 is fixedly connected to the sub-shaft 42 and the second body 20 by a bolt assembly. Yet another specific implementation uses a fixing adhesive disposed between the sub-shaft 42 and the second body 20.
[0044] In one embodiment, based on the aforementioned embodiment, the first main body 10 is further provided with a first rotating groove on the side near the secondary shaft 42, and the second end of the secondary shaft 42 is movably inserted into the first rotating groove, so that the first main body 10 can provide further support for the secondary shaft 42, facilitating the stability of the rotating connection structure. In other embodiments, other support methods can also be adopted. For example, a rotating connecting block 44 is further provided on the side of the first main body 10 near the secondary shaft 42, and a second rotating groove is provided on the side of the rotating connecting block 44 facing the second end of the secondary shaft 42, with the second end of the secondary shaft 42 movably inserted into the second rotating groove, or the second end of the secondary shaft 42 is movably inserted into the second rotating groove via a third rotating shaft.
[0045] In one embodiment, based on the foregoing embodiments, the assembly cavity 30 can also have various implementations. For example, in one specific implementation, a first slot is provided on the side of the first connecting portion facing the second connecting portion, and the first slot and the second connecting portion form the assembly cavity 30. As another example, in one specific implementation, a second slot is provided on the side of the second connecting portion facing the first connecting portion, and the second slot and the first connecting portion form the assembly cavity 30. Yet another example, in one specific implementation, a first slot is provided on the side of the first connecting portion facing the second connecting portion, and a second slot is provided on the side of the second connecting portion facing the first connecting portion, and the first slot and the second slot form the assembly cavity 30.
[0046] In one embodiment, based on the aforementioned embodiments, this application uses a decorative element 60 to limit the rotational connection of the first body 10 and the second body 20. Specifically, the bottom end of the decorative element 60 is engaged or bonded to the bottom end of the assembly cavity 30, and the width of the decorative element 60 is slightly smaller than the width of the assembly cavity 30; or, the width of the decorative element 60 is slightly larger than the width of the assembly cavity 30, but the two sides of the assembly cavity 30 are provided with strip-shaped grooves adapted to the decorative element 60. Simultaneously, the top end of the assembly cavity 30 is provided with a groove adapted to the top end of the decorative element 60, allowing the decorative element 60 to slide longitudinally along the assembly cavity 30. When the first body 10 and the second body 20 rotate to a preset angle, the top end of the decorative element 60 abuts against the bottom of the groove and achieves limiting. The preset angle can be adjusted according to actual needs, for example, a preset angle of 90°.
[0047] In one embodiment, based on the foregoing embodiments, this application also provides a wearable device, including the rotating connection structure of the foregoing embodiments, wherein the first main body is the main body of the wearable device and the second main body is the wrist rest of the wearable device.
[0048] The rotating part of the wearable device provided in this application uses a main shaft and a secondary shaft instead of a conventional long shaft. This disperses the stress generated during the rotation of the main body and wrist rest, facilitating a reliable rotational connection and reducing the risk of localized wear or deformation of the rotating part due to stress concentration, thereby improving product lifespan and user experience. Furthermore, using a main shaft and secondary shaft for the rotational connection between the main body and wrist rest requires less sophisticated manufacturing processes and facilitates the disassembly and replacement of components, thus reducing costs. The specific structural details of this wearable device have been described in the foregoing embodiments and will not be repeated here.
[0049] In one specific implementation, the wearable device is a smartwatch.
[0050] It should be noted that the above embodiments can be freely combined as needed. The above description is only a preferred embodiment of this utility model. It should be pointed out that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.
Claims
1. A rotary connection structure characterized by comprising: For rotational connection between a first body and a second body, one side of the first body is a first connecting part, one side of the second body is a second connecting part, and an assembly cavity is formed between the first connecting part and the second connecting part; The rotary connection structure is disposed within the assembly cavity, and the rotary connection structure includes a main shaft and a secondary shaft, the main shaft and the secondary shaft being coaxially arranged, and the difference in length between the main shaft and the secondary shaft being less than a preset distance; The first end of the main shaft is fixedly connected to the first body, the second end of the main shaft is movably connected to the first end of the secondary shaft, and the secondary shaft is also fixedly connected to the second body through a connector, so that the first body and the second body are rotatably connected through the main shaft and the secondary shaft; The outer sides of the main shaft and the secondary shaft are provided with decorative parts that are adapted to the assembly cavity, and the rotational connection between the first main body and the second main body is limited by the decorative parts.
2. The rotary connection structure of claim 1, wherein The first end of the sub-shaft is provided with a first rotating groove; The second end of the main shaft is inserted into the first rotating groove; or, the second end of the main shaft is provided with a first rotating shaft, the diameter of the first rotating shaft is smaller than the diameter of the main shaft, and the first rotating shaft is inserted into the first rotating groove.
3. The rotary connection structure of claim 1, wherein The second end of the main shaft is provided with a second rotating groove; The first end of the secondary shaft is inserted into the second rotating groove; or, the first end of the secondary shaft is provided with a second rotating shaft, the diameter of the second rotating shaft is smaller than the diameter of the secondary shaft, and the second rotating shaft is inserted into the second rotating groove.
4. The rotary connection structure according to any one of claims 1 to 3, characterized in that, The connector is disposed between the sub-shaft and the second main body; The connector is fixedly connected to the sub-shaft and the second main body by a bolt assembly, or the connector is a fixing adhesive disposed between the sub-shaft and the second main body.
5. The rotary connection structure according to claim 4, characterized by The first main body is further provided with a first rotating groove on the side near the secondary shaft, and the second end of the secondary shaft is movably inserted into the first rotating groove; or, The first main body is also provided with a rotating connecting block on the side near the secondary shaft. The rotating connecting block is provided with a second rotating groove on the side facing the second end of the secondary shaft. The second end of the secondary shaft is movably inserted into the second rotating groove, or the second end of the secondary shaft is movably inserted into the second rotating groove through a third rotating shaft.
6. The rotary connection structure of claim 1, wherein The first connecting portion has a first slot on the side facing the second connecting portion, and the first slot and the second connecting portion form the assembly cavity; or, The second connecting part has a second slot on the side facing the first connecting part, and the second slot and the first connecting part form the assembly cavity; or, The first connecting part has a first slot on the side facing the second connecting part, and the second connecting part has a second slot on the side facing the first connecting part. The first slot and the second slot form the assembly cavity.
7. The rotary connection structure of claim 1, wherein The bottom end of the decorative part is snapped or glued to the bottom end of the assembly cavity; The width of the decorative component is slightly smaller than the width of the assembly cavity; or, the width of the decorative component is slightly larger than the width of the assembly cavity, and the two sides of the assembly cavity are provided with strip grooves that are adapted to the decorative component. The top of the assembly cavity is provided with a slot that matches the top of the decorative part. When the first body and the second body rotate to a preset angle, the top of the decorative part abuts against the bottom of the slot and is limited in position.
8. The rotary connection structure of claim 1, wherein The preset distance is half the length of the main shaft or the secondary shaft.
9. A wearable device, comprising: It includes the rotating connection structure as described in any one of claims 1-8, wherein the first main body is the main body of the wearable device, and the second main body is the wrist rest of the wearable device.
10. The wearable device of claim 9, wherein, The wearable device is a smartwatch.