WO2023184089A1 - Wireless charger for watches and bracelets - Google Patents

Abstract

Disclosed in the present application is a wireless charger (100) for watches and bracelets. The wireless charger comprises: a housing structure (10), which is provided with an accommodating slot (101) and a placement cavity (111) spaced apart from the accommodating slot (101), a wireless charging structure (20) at least partially being accommodated in the accommodating cavity (111); and a plug-in structure (30), which is partially accommodated in the accommodating slot (101), is slidably connected to a slot wall of the accommodating slot (101) and is electrically connected to the wireless charging structure (20), wherein the plug-in structure (30) slides a predetermined distance in the accommodating slot (101) so as to adjust the distance between the plug-in structure (30) and the wireless charging structure (20). The wireless charger (100) for watches and bracelets of the present application can adapt to smart watches or smart bracelets of different sizes, thereby improving the convenience of use of the wireless charger (100) for watches and bracelets.

Description

A watch ring wireless charger Technical field

The present application belongs to the technical field of smart watch wireless charging, and in particular relates to a watch ring wireless charger.

Background technique

The statements herein merely provide background information relevant to the present application and do not necessarily constitute prior art.

At present, wearable smart devices such as smart watches and smart bracelets are gradually entering people's daily lives. These devices provide people with increasingly rich functions and greatly change the way modern people work and relax. However, due to wear requirements, smart watches and smart bracelets are required to be compact in design, so they are not suitable for battery replacement. In addition, the connector design method of connecting and charging external power supply equipment is not suitable for smart watches. The charging interface of watches and smart bracelets not only affects the appearance, but also accumulates dust in the interface after long-term use and is prone to charging failures, affecting the service life of smart watches and smart bracelets. Therefore, smart watches and smart bracelets should adopt wireless charging technology.

When charging a smart watch, the wireless charging structure needs to be aligned with the power receiving position of the smart watch. Generally, the side surface of the smart watch contacts the plug structure, that is, the plug structure provides support to the smart watch, and the power receiving position of the smart watch Facing the charging surface of the wireless charging structure.

However, smart watches of different sizes have different optimal power receiving positions, and current wireless charging equipment cannot adjust its position adaptively according to smart watches of different sizes, resulting in inconvenience.

technical problem

The purpose of the embodiments of the present application is to provide a watch ring wireless charger.

Technical solutions

In order to achieve the above purpose, the technical solution adopted in this application is:

A watch ring wireless charger is provided, which includes: a shell structure with an accommodating slot and an accommodation cavity spaced apart from the accommodating slot; the accommodation cavity has an opening; a wireless charging structure, at least partially accommodated in the accommodating cavity; The placement cavity is capable of wirelessly charging the device to be powered; and a plug-in structure is used to electrically connect the wireless charging structure to the power source, and the plug-in structure is partially received in the accommodation slot and slidably connected to the container. The wall of the slot is electrically connected to the wireless charging structure, and the plug-in structure slides a predetermined distance in the accommodation slot to adjust the distance between the plug-in structure and the wireless charging structure.

In some embodiments, guide grooves are provided on both side walls of the accommodating groove, and the plug-in structure includes a plug-in part partially located in the accommodating groove, a plug-in connector connected to the plug-in part, and The guide posts connected to the plug-in part are provided with guide posts on both sides of the plug-in part, and the free ends of the two guide posts are respectively slidably arranged in the guide grooves.

In some embodiments, the cross-sectional shape of the guide post is circular, elliptical or polygonal.

In some embodiments, the watch ring wireless charger further includes a positioning member used to fix the connection position between the guide post and the inner wall of the guide groove.

In some embodiments, the placement cavity extends and communicates with at least one of the guide grooves, and the watch ring wireless charger further includes a limiting plate located in the placement cavity and disposed relative to the notch of the guide groove, The limiting plate is provided with a plurality of positioning holes, and each positioning hole is arranged linearly along the sliding direction of the guide column. The end surface of the guide column is provided with positioning protrusions toward the limiting plate. The positioning holes are adapted to the positioning protrusions.

In some embodiments, each of the positioning holes is arranged at linear intervals in sequence.

In some embodiments, each of the positioning holes is arranged continuously in sequence, and any two adjacent positioning holes are connected, and each of the positioning holes jointly forms a positioning groove.

In some embodiments, there are multiple positioning protrusions, each of the positioning protrusions is circumferentially arranged on the end surface of the guide column, and each of the positioning protrusions is provided with the positioning hole correspondingly.

In some embodiments, the inner wall of the placement cavity is further provided with two spaced positioning slots, and the two ends of the limiting plate are respectively clamped in the two positioning slots.

In some embodiments, the plug-in structure further includes a support pad made of flexible material, and the support pad is connected to the side surface of the plug portion.

In some embodiments, the plug connector is a TYPC-C plug connector or a lightning plug connector.

In some embodiments, the housing structure includes an upper housing and a lower housing, the upper housing and the lower housing are detachably connected and together form the placement cavity, and the opening is located in the On the upper case, the wireless charging structure is connected to the upper case at the opening.

In some embodiments, the watch ring wireless charger further includes a buckle structure for detachably connecting the upper case and the lower case, and the buckle structure includes a protrusion. The buckle on the lower shell and the buckle groove on the upper shell.

beneficial effects

The beneficial effect of the watch ring wireless charger provided by this application is that: the charging surface is arranged in the vertical direction, and the plug-in direction of the plug-in structure is set horizontally. The smart watch or smart bracelet is coated on one end of the housing structure, and the plug-in structure The upward side surface of the smart watch or smart bracelet contacts and supports the smart watch or smart bracelet, so that the power receiving position of the smart watch or smart bracelet is facing the charging surface, and the plug-in structure slides upward or downward along the accommodating groove for a predetermined distance. , and the subsequent smart watch or smart bracelet placed on the plug-in structure can subsequently adjust the relative position of its power receiving position and the charging surface, which is beneficial to the wireless charging of the smart watch or smart bracelet, making the watch ring wireless charger It can be adapted to smart watches or smart bracelets of different sizes, which improves the convenience of using the watch ring wireless charger.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments or exemplary technologies will be briefly introduced below. Obviously, the drawings in the following description are only for the purpose of the present application. For some embodiments, for those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic three-dimensional structural diagram of the plug-in structure of the watch ring wireless charger provided by an embodiment of the present application, with the plug-in direction parallel to the charging surface;

Figure 2 is a schematic diagram of the three-dimensional structure of the watch ring wireless charger in Figure 1 when the plug-in structure is rotated 90 degrees and vertically adapted to a watch with an outer diameter of 38mm;

Figure 3 is a schematic three-dimensional structural diagram of the plug-in structure of Figure 2 sliding a predetermined distance away from the charging surface and vertically adapting to a watch with an outer diameter of 40mm;

Figure 4 is an exploded schematic diagram of the watch ring wireless charger of Figure 3;

Figure 5 is an exploded schematic diagram of the watch ring wireless charger in another embodiment of Figure 4;

Figure 6 is a schematic three-dimensional structural diagram of the limiting plate of Figure 5;

Figure 7 is a partial cross-sectional view of the watch ring wireless charger 3;

Figure 8 is a schematic three-dimensional structural diagram of the plug-in structure of Figure 3 sliding a predetermined distance away from the charging surface and vertically adapting to a watch with an outer diameter of 42mm;

Figure 9 is a schematic three-dimensional structural diagram of the plug-in structure of Figure 8 sliding a predetermined distance away from the charging surface and vertically adapting to a watch with an outer diameter of 44~45mm;

Figure 10 is a schematic three-dimensional structural diagram of the plug-in structure of Figure 9 sliding a predetermined distance away from the charging surface and vertically adapting to a watch with an outer diameter of 45mm and a 2mm jacket.

Embodiments of the invention

In order to make the purpose, technical solutions and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application and are not used to limit the present application.

It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly on the other component. When a component is referred to as being "connected to" another component, it may be directly or indirectly connected to the other component. The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the orientation or positional relationship shown in the drawings. They are only for convenience of description and do not indicate or imply the device to which they are referred. Or elements must have specific orientations, be constructed and operated in specific orientations, and therefore cannot be construed as limitations to the application. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances. The terms "first" and "second" are only used for convenience of description and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of technical features. "Plural" means two or more, unless otherwise expressly and specifically limited.

Referring to Figures 1 to 3, an embodiment of the present application provides a watch ring wireless charger 100, which can wirelessly charge a device to be powered. Optionally, the device to be powered includes a smart watch or smart bracelet.

Optionally, the watch ring wireless charger 100 includes a housing structure 10 , a wireless charging structure 20 and a plug-in structure 30 . The housing structure 10 is provided with an accommodating groove 101 and a mounting cavity 111 spaced apart from the accommodating slot 101 . The mounting cavity 111 has an opening 112 . Optionally, the housing structure 10 is made of plastic material and is injection molded through an injection molding process.

The injection molding process is a method of stirring completely molten plastic material through a screw at a certain temperature, injecting it into the mold cavity with high pressure, and then cooling and solidifying to obtain a molded product. This method is suitable for mass production of components with complex shapes and is one of the important processing methods. Injection molding, also known as injection molding, is a molding method that combines injection and molding.

The advantages of the injection molding method are fast production speed and high efficiency, the operation can be automated, there are many designs and colors, the shapes can be from simple to complex, and the sizes can be from large to small, and the product dimensions are accurate, the products are easy to replace, and can be made into complex shapes Parts, injection molding is suitable for mass production and complex-shaped products and other molding processing fields.

Referring to FIGS. 1 to 3 , optionally, the wireless charging structure 20 is at least partially accommodated in the placement cavity 111 and can wirelessly charge the device to be powered; the wireless charging structure 20 includes a charging cavity and is at least partially accommodated in the placement cavity 111 . The wireless housing 22 in the cavity 111, the transmitting coil located in the charging cavity, and the magnetic piece matching the transmitting coil and located in the charging cavity.

The wireless housing 22 is also provided with a charging surface 21. The charging surface 21 is substantially parallel to the plane determined by the opening 112. The transmitting coil projects the wireless charging signal toward the charging surface 21. The power receiving position of the device to be powered is aligned with the charging surface 21 and follows the charging surface 21. The charging surface 21 receives wireless charging signals.

Referring to FIGS. 1 to 3 , optionally, the plug-in structure 30 is used to electrically connect the wireless charging structure 20 to a power source, so that the wireless charging structure 20 can wirelessly charge the device to be powered. One end of the plug-in structure 30 is received in the accommodating groove 101 and is slidably connected to the wall of the accommodating groove 101 and electrically connected to the wireless charging structure 20 . The other end of the plug-in structure 30 is electrically connected to a power adapter. The plug-in structure 30 slides a predetermined distance in the accommodating groove 101 to adjust the distance between the plug-in structure 30 and the wireless charging structure 20 .

Please refer to Figures 1 to 3. Alternatively, in this embodiment, the charging surface 21 is arranged in the vertical direction, while the plug-in direction of the plug-in structure 30 is arranged horizontally, and the smart watch or smart bracelet is covered with the housing structure 10. At one end, the upward side surface of the plug-in structure 30 abuts and supports the smart watch or smart bracelet, so that the power receiving position of the smart watch or smart bracelet is facing the charging surface 21, and the plug-in structure 30 is used along the accommodating groove. 101 slides up or down a predetermined distance, and the smart watch or smart bracelet subsequently placed on the plug-in structure 30 can adjust the relative position of its power receiving position and the charging surface 21 accordingly, which is beneficial to the smart watch or smart bracelet. The wireless charging of the watch ring enables the watch ring wireless charger 100 to adapt to smart watches or smart bracelets of different sizes, which improves the convenience of using the watch ring wireless charger 100.

Please refer to FIGS. 4 to 5 . In some embodiments, guide slots 102 are provided on both sides of the accommodating slot 101 . The plug-in structure 30 includes a plug connector partially located in the accommodating slot 101 . part 33, a plug connector 32 connected to the plug part 33, and a guide post 34 connected to the plug part 33. The guide posts 34 are provided on both sides of the plug part 33. The two guide posts The free ends of 34 are respectively slidably disposed in the guide grooves 102 .

Referring to FIGS. 4 and 5 , it can be understood that the sliding connection between the plug-in structure 30 and the housing structure 10 is achieved by sliding the free ends of the two guide posts 34 respectively in the two guide grooves 102 . The sliding direction of the two guide posts 34 is parallel to the charging surface 21 , so that the distance between the plug-in structure 30 and the wireless charging structure 20 can be adjusted by the two guide posts 34 sliding along the two guide grooves 102 without interruption.

Referring to FIGS. 4 and 5 , in some embodiments, the cross-sectional shape of the guide post 34 is circular, elliptical or polygonal.

Referring to FIGS. 4 and 5 , it can be understood that when the cross section of the guide post 34 is oval or polygonal, the guide post 34 can only slide along the guide groove 102 but cannot rotate around its centerline in the guide groove 102 .

Referring to FIGS. 4 to 5 , it can be understood that when the cross-sectional shape of the guide post 34 is circular, the guide post 34 is arranged in a columnar shape, and the two side surfaces of the guide post 34 slide against both sides of the guide groove 102 . On the side groove wall, the guide post 34 can slide along the guide groove 102, and the guide post 34 can also rotate at a predetermined angle around its center line in the guide groove 102, thereby adjusting the angle between the plug-in structure 30 and the charging surface 21.

Referring to FIGS. 4 and 5 , in some embodiments, the watch ring wireless charger 100 further includes a positioning member used to fix the connection position of the guide post 34 and the inner wall of the guide groove 102 .

Referring to FIGS. 4 to 5 , optionally, after the guide post 34 slides or rotates in place, the positioning member can position the connection position between the guide post 34 and the housing structure 10 or the inner wall of the guide groove 102 to keep the plug-in structure 30 The position is fixed.

Please refer to Figure 4 to Figure 5. It can be understood that the positioning member can be a bolt, and a positioning threaded hole can be opened on the surface of the housing structure 10. The positioning threaded hole and the guide groove 102 are arranged oppositely. After the guide column 34 slides in place, the bolt One end of the guide post 34 is screwed into the positioning threaded hole and contacts and limits the guide post 34 , thereby achieving relative fixation of the positions of the guide post 34 and the housing structure 10 .

Referring to FIGS. 4 and 5 , in some embodiments, the placement cavity 111 extends and communicates with at least one of the guide grooves 102 . Optionally, in this embodiment, the placement cavity 111 communicates with two guide grooves 102 .

Referring to FIGS. 6 to 7 , the watch ring wireless charger 100 further includes a limiting plate 41 located in the placement cavity 111 and disposed relative to the notch of the guide groove 102 . The limiting plate 41 has multiple openings. Each positioning hole 411 is linearly arranged along the sliding direction of the guide post 34. The end surface of the guide post 34 is provided with a positioning protrusion 42 toward the limiting plate 41. The positioning holes 411 are arranged linearly along the sliding direction of the guide post 34. 411 is adapted to the positioning protrusion 42 .

Referring to FIGS. 6 to 7 , it can be understood that after the guide post 34 slides into place, the relative position of the guide post 34 and the housing structure 10 can be positioned through the cooperation of the positioning holes 411 and the positioning protrusions 42 .

Please refer to FIGS. 6 to 7 . In some embodiments, each of the positioning holes 411 is arranged at linear intervals in order to allow the guide post 34 to slide intermittently in the guide groove 102 , that is, at least two positioning holes need to be slid for each sliding movement. The distance between 411.

In some embodiments, each of the positioning holes 411 is arranged continuously in sequence, and any two adjacent positioning holes 411 are connected, and each of the positioning holes 411 jointly forms a positioning groove 412 .

Referring to FIGS. 6 to 7 , optionally, each positioning hole 411 is connected in sequence to form a positioning groove 412 , thereby improving the convenience of the guide column 34 sliding in the guide groove 102 , and only the positioning protrusion 42 needs to be pushed in. The predetermined positioning holes 411 can realize the positioning of the guide posts 34 in the corresponding guide grooves 102, which is convenient to use.

Please refer to FIG. 4 . In some embodiments, multiple positioning protrusions 42 are provided. Each positioning protrusion 42 is circumferentially arranged on the end surface of the guide column 34 , and each positioning protrusion 42 is provided correspondingly. There is the positioning hole 411.

Please refer to Figure 4. Optionally, in this embodiment, four positioning protrusions 42 are provided. The four positioning protrusions 42 are circumferentially symmetrically arranged on the end surface of the limiting column, and each positioning protrusion 42 is provided with a corresponding Positioning slot 412.

It can be understood that each positioning groove 412 is formed by a plurality of positioning holes 411 connected in sequence.

Please refer to Figure 4. In some embodiments, the inner wall of the placement cavity 111 is also provided with two spaced positioning slots 103, and the two ends of the limiting plate 41 are respectively clamped in the two positioning slots 103. Inside, the limiting plate 41 can be kept stable through the two positioning slots 103 .

In some embodiments, the plug-in structure 30 further includes a support pad 31 made of flexible material, and the support pad 31 is connected to the side surface of the plug portion 33 . Optionally, the support pad 31 can be made of rubber material, thereby preventing the surface of the smart bracelet or smart watch from being scratched.

Referring to FIGS. 8 to 10 , in some embodiments, the plug connector 32 is a TYPC-C plug connector 32 or a lightning plug connector 32 . It can be understood that the TYPC-C plug connector 32 can be adapted to the TYPC-C plug interface, and the lightning plug connector 32 can be adapted to the lightning plug interface.

Referring to Figures 4 to 7, in some embodiments, the housing structure 10 includes an upper housing 11 and a lower housing 12, the upper housing 11 and the lower housing 12 are detachably connected, and Together, they form the placement cavity 111 , the opening 112 is located in the upper housing 11 , and the wireless charging structure 20 is connected to the upper housing 11 at the opening 112 .

It can be understood that the upper housing 11 or the lower housing 12 are both made of plastic materials and formed through an injection molding process. The opening 112 is located at one end of the housing structure 10 , and the accommodating groove 101 is located at the other end of the housing structure 10 .

Referring to FIGS. 4 to 7 , in some embodiments, the watch ring wireless charger 100 further includes a buckle structure 50 for detachably connecting the upper case 11 and the The buckle structure 50 of the lower housing 12 includes a buckle head 51 protruding from the lower housing 12 and a buckle groove 52 opened in the upper housing 11 .

Optionally, multiple buckles 51 are provided along the circumferential direction of the lower housing 12 , and the extension path of the buckle groove 52 is arranged in an annular shape, so that each buckle 51 is buckled in the buckle groove 52 .

The above are only optional embodiments of the present application and are not used to limit the present application. Various modifications and variations may be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this application shall be included in the scope of the claims of this application.

Claims (13)

A watch ring wireless charger, which is characterized by including: The shell structure is provided with an accommodation groove and a placement cavity spaced apart from the accommodation groove, and the placement cavity has an opening; A wireless charging structure, at least partially received in the placement cavity and capable of wirelessly charging the device to be powered; and A plug-in structure for electrically connecting the wireless charging structure to a power source. The plug-in structure is partially received in the accommodating groove and is slidably connected to the wall of the accommodating groove and is electrically connected to the wireless charging structure. , the plug-in structure slides a predetermined distance in the accommodation slot to adjust the distance between the plug-in structure and the wireless charging structure. The watch ring wireless charger of claim 1, wherein guide grooves are provided on both side walls of the accommodating groove, and the plug-in structure includes a plug-in portion partially located in the accommodating groove. , a plug joint connecting the plug part and a guide post connecting the plug part, the guide posts are provided on both sides of the plug part, and the free ends of the two guide posts are respectively slidingly arranged on the The guide groove. The watch ring wireless charger according to claim 2, wherein the cross-sectional shape of the guide post is circular, elliptical or polygonal. The watch ring wireless charger according to claim 2, characterized in that: the watch ring wireless charger further includes a positioning member, and the positioning member is used to fix the connection position between the guide column and the inner wall of the guide groove. The watch ring wireless charger according to any one of claims 2 to 4, characterized in that: the placement cavity extends and communicates with at least one of the guide grooves, and the watch ring wireless charger further includes a device located in the placement cavity. cavity and a limit plate provided relative to the notch of the guide groove. The limit plate is provided with a plurality of positioning holes. Each of the positioning holes is arranged linearly along the sliding direction of the guide column. The end of the guide column A positioning protrusion is provided facing the limiting plate, and the positioning hole is adapted to the positioning protrusion. The watch ring wireless charger according to claim 5, characterized in that: each of the positioning holes is arranged at linear intervals in sequence. The watch ring wireless charger according to claim 5, characterized in that: each of the positioning holes is arranged continuously in order, and any two adjacent positioning holes are connected, and each of the positioning holes jointly forms a positioning groove. The watch ring wireless charger of claim 5, wherein a plurality of positioning protrusions are provided, each of the positioning protrusions is circumferentially arranged on the end face of the guide column, and each of the positioning protrusions is evenly spaced. The positioning holes are correspondingly provided. The watch ring wireless charger according to claim 5, characterized in that: the inner wall of the placement cavity is also provided with two spaced positioning slots, and both ends of the limiting plate are respectively clamped in the two positioning slots. inside the card slot. The watch ring wireless charger according to any one of claims 2 to 4, wherein the plug-in structure further includes a support pad made of flexible material, and the support pad is connected to the side of the plug-in part. surface. The watch ring wireless charger according to any one of claims 2 to 4, characterized in that: the plug connector is a TYPC-C plug connector or a lightning plug connector. The watch ring wireless charger according to any one of claims 1 to 4, characterized in that: the housing structure includes an upper housing and a lower housing, and the upper housing and the lower housing are detachable. are connected and jointly form the placement cavity, the opening is located on the upper housing, and the wireless charging structure is connected to the upper housing at the opening. The watch ring wireless charger according to claim 12, characterized in that: the watch ring wireless charger further includes a buckle structure, the buckle structure is used to detachably connect the upper housing and the lower case. Shell, the buckle structure includes a buckle head protruding from the lower shell and a buckle groove opened on the upper shell.