Limiting device and all-in-one wireless charger
Through innovative design of the base, rotating parts, and elastic parts of the limiting device, the problems of high cost and short life of traditional mechanical limiting structures are solved, achieving flexible shape adaptation and high durability, reducing production costs and optimizing space utilization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 深圳市美仕奇科技有限公司
- Filing Date
- 2025-04-27
- Publication Date
- 2026-06-02
AI Technical Summary
Most three-in-one wireless chargers and watch wireless chargers on the market use mechanical limiting structures such as hinges and pivots, which have problems such as high cost, short lifespan, difficulty in production and assembly, limited structural design and limited adjustable angle.
The device employs a limiting mechanism, including a base, a rotating component, and an elastic component. The flexible shape adaptation of the rotating component is achieved by the insertion and release of the elastic component. The elastic component is made of metal and undergoes quenching and anodizing treatment to improve durability. Combined with the design of fasteners and connecting parts, it breaks through the traditional hinge/shaft connection method and reduces production costs.
It achieves flexible shape adaptation and high durability, significantly reduces production costs (spindles reduced by 60%, hinges by 90%), and optimizes the utilization of internal space.
Smart Images

Figure CN224319087U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wireless charger technology, and in particular to a limiting device and an all-in-one wireless charger. Background Technology
[0002] Currently, most three-in-one wireless chargers and watch wireless chargers on the market use mechanical limiting structures such as hinges and pivots. These connection methods have problems such as high cost and short lifespan, and also face bottlenecks such as high production and assembly difficulty, limited structural design and limited adjustable angle. Utility Model Content
[0003] The technical problem to be solved by this utility model embodiment is that mechanical limiting structures such as hinges and pivots on the market are expensive and have a short lifespan.
[0004] To address the aforementioned issues, this utility model discloses a limiting device and an all-in-one wireless charger, breaking through the limitations of traditional hinge / rotary connection methods, achieving flexible shape adaptation and high durability, while significantly reducing production costs.
[0005] This utility model provides a limiting device, which includes a base, a rotating member, and an elastic member; the elastic member includes a fixed part and at least one elastic part, and the fixed part is detachably connected to the base; the rotating member includes a shaft, a first groove, and a second groove, the first groove and the second groove are respectively provided on the shaft, and the shaft is connected to the base; the elastic part is embedded in the first groove, or the elastic part is embedded in the second groove.
[0006] A further technical solution is that the elastic part includes a first bending part and a second bending part, the first bending part bends upward along the fixed part, and the second bending part bends downward along the first bending part; the second bending part is embedded in the first groove, or the second bending part is embedded in the second groove.
[0007] A further technical solution includes a fastener, wherein the fixing part is provided with a connecting hole, the fastener passes through the connecting hole and is connected to the base.
[0008] A further technical solution is that the elastic element is made of a metal material that has elasticity and fatigue resistance.
[0009] A further technical solution is that the rotating component further includes a connecting portion, which is connected to the first groove and the second groove respectively. The first groove and the connecting portion are rounded at the corners, and the second groove and the connecting portion are also rounded at the corners.
[0010] A further technical solution is that the rotating component also includes a limiting part, which is disposed on the shaft and on one side of the first groove.
[0011] A further technical solution is that the base includes a cover and a base, the rotating member and the elastic member are respectively disposed on the base, and the cover and the base are detachably connected.
[0012] A further technical solution is that the shaft body has an end, the base has an arc-shaped groove, and the end is connected to the arc-shaped groove.
[0013] A further technical solution is that the shaft body is made of engineering plastic.
[0014] This utility model also provides an all-in-one wireless charger, which includes a limiting device as described in any of the above embodiments.
[0015] Compared with the prior art, the technical effects achieved by the embodiments of this utility model include:
[0016] By connecting rotating and elastic components, the limitations of traditional hinge / rotary connection methods are broken, achieving flexible shape adaptation and high durability, while significantly reducing production costs (60% reduction for rotary components and 90% reduction for hinges) and optimizing internal space utilization. Attached Figure Description
[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 An exploded view of a limiting device structure provided in an embodiment of this utility model;
[0019] Figure 2 An exploded view of another limiting device structure provided in this embodiment of the utility model;
[0020] Figure 3 A schematic diagram of a limiting device structure provided in an embodiment of this utility model;
[0021] Figure 4 This is a schematic diagram of another limiting device structure provided in an embodiment of the present utility model;
[0022] Figure 5 A schematic diagram of the elastic element-shaft structure provided in the embodiment of this utility model;
[0023] Figure 6A schematic diagram of the elastic element-shaft structure provided in the embodiment of this utility model;
[0024] Figure 7 A schematic diagram of the elastic element-shaft structure provided in the embodiment of this utility model;
[0025] Figure 8 A schematic diagram of the elastic element-shaft structure provided in the embodiment of this utility model;
[0026] Figure 9 A schematic diagram of the shaft structure provided in an embodiment of this utility model;
[0027] Figure 10 A schematic diagram of the shaft structure provided in an embodiment of this utility model;
[0028] Figure 11 A schematic diagram of the shaft structure provided in an embodiment of this utility model;
[0029] Figure 12 A schematic diagram of the elastic element structure provided in an embodiment of this utility model;
[0030] Figure 13 A schematic diagram of the elastic element structure provided in an embodiment of this utility model;
[0031] Figure 14 A schematic diagram of the cover structure provided for an embodiment of this utility model;
[0032] Figure 15 A schematic diagram of the base structure provided for an embodiment of this utility model;
[0033] Figure 16 A schematic diagram of the base structure provided for an embodiment of this utility model;
[0034] Figure 17 A schematic diagram of the elastic element-base structure provided in an embodiment of this utility model;
[0035] Figure 18 This is a schematic diagram of the elastic element-base structure provided in an embodiment of the present utility model.
[0036] Figure Labels
[0037] 1. Base; 2. Rotating component; 3. Elastic component; 31. Fixed part; 32. Elastic part; 21. Shaft; 22. First groove; 23. Second groove;
[0038] 321. First bend; 322. Second bend;
[0039] 4. Fasteners; 311. Connecting holes;
[0040] 24. Connecting parts;
[0041] 25. Limiting part;
[0042] 11. Cover; 12. Base;
[0043] 211, end; 121, arc groove. Detailed Implementation
[0044] The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Similar component reference numerals in the drawings represent similar components. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0045] It should be understood that, when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or collections thereof.
[0046] It should also be understood that the terminology used in this specification of embodiments of the present invention is for the purpose of describing particular embodiments only and is not intended to limit the embodiments of the present invention. As used in this specification of embodiments of the present invention and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.
[0047] See Figure 1-18 This utility model provides a limiting device. The limiting device includes a base 1, a rotating member 2, and an elastic member 3. The specific details of each component are as follows:
[0048] In this embodiment, the elastic member 3 includes a fixing part 31 and at least one elastic part 32, the fixing part 31 being detachably connected to the base 1; the rotating member 2 includes a shaft 21, a first groove 22 and a second groove 23, the first groove 22 and the second groove 23 being respectively disposed on the shaft 21, the shaft 21 being connected to the base 1; the elastic part 32 is embedded in the first groove 22, or the elastic part 32 is embedded in the second groove 23.
[0049] Specifically, the fixing part 31 and the elastic part 32 are integrally formed. The fixing part 31 is installed on the base 1 and the connection method includes snap-fit, bolt, and welding. The rotating part 2 is rotatably connected to the base 1. The elastic part 32 is embedded in the first groove 22 as the starting position of the rotating part 2, and the elastic part 32 is embedded in the second groove 23 as the limiting position of the rotating part 2. Understandably, the angle between the first groove 22 and the second groove 23 on the shaft 21 is the rotation angle of the elastic part 3 on the base 1.
[0050] In this embodiment, the elastic member 3 includes a fixed part 31 and two elastic parts 32. The two elastic parts 32 are on the same side of the fixed part 31. The elastic parts 32 are elastic. Specifically, the elastic parts 32 can be embedded in the first groove 22 / second groove 23. When the rotating member 2 is rotated by an external force, the rotating member 2 squeezes the elastic parts 32, causing the elastic parts 32 to disengage from the first groove 22 / second groove 23. As the rotating member 2 rotates, when the first groove 22 is directly above the elastic part 32, the elastic part 32 is embedded in the first groove 22 according to its own elastic force. When the rotating member 2 rotates the second groove 23 is directly above the elastic part 32, the elastic part 32 is embedded in the second groove 23 according to its own elastic force.
[0051] This limiting device, through the connection between the rotating part 2 and the elastic part 3, breaks through the limitations of traditional hinge / spindle connection methods, achieving flexible shape adaptation and high durability, while significantly reducing production costs (spindle costs are reduced by 60%, and hinge costs by 90%) and optimizing the utilization of internal space.
[0052] See also Figure 1-18 In this embodiment, the elastic part 32 includes a first bending part 321 and a second bending part 322. The first bending part 321 bends upward along the fixed part 31, and the second bending part 322 bends downward along the first bending part 321. The second bending part 322 is embedded in the first groove 22, or the second bending part 322 is embedded in the second groove 23.
[0053] In this embodiment, the elastic element 3 is a metal sheet, and the elastic part 32
[0054] Furthermore, it also includes a fastener 4, the fixing part 31 is provided with a connecting hole 311, the fastener 4 passes through the connecting hole 311 and is connected to the base 1.
[0055] Specifically, the fastener 4 includes bolts and screws, and the base 1 is provided with an internally threaded columnar structure corresponding to the fastener 4. In this embodiment, the fastener 4 is a bolt. The bolt passes through the connecting hole 311 and is screwed into the internally threaded columnar structure of the base 1 to achieve a fixed connection between the fixing part 31 and the base 1.
[0056] Furthermore, the elastic element 3 is made of a metal material that is both elastic and fatigue-resistant.
[0057] Specifically, the metal materials include pure metals and alloys, such as piano steel (high carbon steel), phosphor bronze (phosphor bronze alloy), titanium alloy, and carbon steel (medium and high carbon steel). In this embodiment, the elastic element 3 is made of stainless steel. After quenching and anodizing processes, the elastic element 3 has a long service life and is not prone to deformation or loss of elasticity.
[0058] Furthermore, the rotating component 2 also includes a connecting portion 24, which is connected to the first groove 22 and the second groove 23 respectively. The first groove 22 and the connecting portion 24 are rounded, and the second groove 23 and the connecting portion 24 are also rounded.
[0059] Specifically, during the rotation of the rotating member 2 on the base 1, the connecting part 24 and the elastic part 32 remain connected. The connecting part 24 is a protruding structure formed between the first groove 22 and the second groove 23. In this embodiment, the fillet of the first groove 22 and the connecting part 24 is R1, and the fillet of the first groove 22 and the connecting part 24 is R2. The radius of R1 is greater than the radius of R2. The larger the radius of the fillet, the smaller the external force required for the elastic part 32 to detach from the groove. For example, when the elastic part 32 is embedded in the first groove 22, it is the starting position of the rotating member 2. The larger the radius of the fillet of the first groove 22 and the connecting part 24, the smaller the external force required for the elastic part 32 to switch from the first groove 22 to the second groove 23.
[0060] In one embodiment, the elastic part 32 is also connected to a straight part along the second bending part 322. During the process of the elastic part 32 switching from the first groove 22 to the second groove 23, the radius of the rounded corner R1 is increased, which is beneficial for the rounded corner R1 to press the second bending part 322 downward along the straight part.
[0061] Furthermore, the rotating member 2 also includes a limiting part 25, which is disposed on the shaft 21 and on one side of the first groove 22.
[0062] Specifically, the limiting part 25 is mounted on the shaft 21. In one embodiment, when the elastic part 32 is embedded in the second groove 23, the limiting part 25 contacts the bottom surface of the cover 11. The cover 11 is connected to the limiting part 25, thereby improving the stability of the elastic part 32 when it is embedded in the second groove 23, that is, improving the stability of the rotating part 2 in the limiting position.
[0063] Furthermore, the base 1 includes a cover 11 and a base 12, the rotating member 2 and the elastic member 3 are respectively disposed on the base 12, and the cover 11 and the base 12 are detachably connected.
[0064] Specifically, the cover 11 and the base 12 are connected by a snap fastener. The cover 11 is provided with a hook, and the base 12 is provided with a mating part corresponding to the hook. In this embodiment, both ends of the shaft 21 are provided with hooks and mating parts corresponding to the hooks. The end 211 of the shaft 21 is covered by the cover 11 and the base 12, so that the shaft 21 is rotatably connected on the base 1. The connection is strengthened by providing hooks and mating parts at the end 211 of the shaft 21.
[0065] Furthermore, the shaft 21 is provided with an end 211, and the base 12 is provided with an arc-shaped groove 121, and the end 211 is connected to the arc-shaped groove 121.
[0066] Specifically, the shaft 21 has two ends 211 and a main body. The two ends 211 are respectively installed at both ends of the main body. The base 12 has two arc-shaped grooves 121. Each end 211 is embedded in an arc-shaped groove 121. The ends 211 of the shaft 21 are supported by the arc-shaped grooves 121. Usually, the space of the arc-shaped grooves 121 is slightly larger than the volume of the ends 211, so that the shaft 21 can be rotated on the base 12.
[0067] Furthermore, the shaft 21 is made of engineering plastic.
[0068] Specifically, engineering plastics include ABS (acrylonitrile-butadiene-styrene copolymer) and PC (polycarbonate). PC has higher strength and toughness, while ABS has higher strength and toughness, but is slightly inferior to PC. PC is more expensive than ABS. Generally, PC is chosen to prioritize the durability of shaft 21, while ABS is chosen to prioritize the cost of shaft 21.
[0069] This utility model provides an all-in-one wireless charger, which includes a limiting device as described in any of the above embodiments.
[0070] In the above embodiments, the descriptions of each embodiment have different focuses. For parts that are not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.
[0071] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to 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 utility model.
[0072] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0073] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a 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 utility model according to the specific circumstances.
[0074] In this invention, unless otherwise explicitly 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 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 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.
[0075] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," 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 the present invention. The illustrative expressions of the above terms in this specification should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.
[0076] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Since these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.
[0077] The above description describes specific embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the scope of protection of this utility model. Therefore, the scope of protection of this utility model should be determined by the scope of the claims.
Claims
1. A limiting device, characterized in that, Includes base, rotating parts, and elastic parts; The elastic element includes a fixing part and at least one elastic part, and the fixing part is detachably connected to the base; The rotating component includes a shaft, a first groove, and a second groove, the first groove and the second groove being respectively disposed on the shaft, and the shaft being connected to the base; The elastic part is embedded in the first groove, or the elastic part is embedded in the second groove.
2. The limiting device according to claim 1, characterized in that, The elastic portion includes a first bending portion and a second bending portion, wherein the first bending portion bends upward along the fixed portion, and the second bending portion bends downward along the first bending portion; The second bent portion is embedded in the first groove, or the second bent portion is embedded in the second groove.
3. The limiting device according to claim 1, characterized in that, It also includes fasteners, the fixing part having a connecting hole, the fastener passing through the connecting hole and being connected to the base.
4. The limiting device according to claim 1, characterized in that, The elastic element is made of a metallic material that is both elastic and fatigue-resistant.
5. The limiting device according to claim 1, characterized in that, The rotating component also includes a connecting portion, which is connected to the first groove and the second groove respectively. The first groove and the connecting portion are rounded at the corners, and the second groove and the connecting portion are also rounded at the corners.
6. The limiting device according to claim 1, characterized in that, The rotating component also includes a limiting part, which is disposed on the shaft and on one side of the first groove.
7. The limiting device according to claim 1, characterized in that, The base includes a cover and a base, the rotating member and the elastic member are respectively disposed on the base, and the cover and the base are detachably connected.
8. The limiting device according to claim 7, characterized in that, The shaft has an end, the base has an arc-shaped groove, and the end is connected to the arc-shaped groove.
9. The limiting device according to claim 1, characterized in that, The shaft is made of engineering plastic.
10. A multi-functional wireless charger, characterized in that, Includes the limiting device as described in any one of claims 1-9.