Charging box and earphone system

Abstract

The utility model discloses a charging box and an earphone system. The charging box comprises a base and a cover body, the cover body is movably connected with the base so as to selectively release or compress the earphone, and the weight of the cover body is smaller than that of the base. According to the charging box and the earphone system, the weight of the cover body is smaller than that of the base, so that the gravity center of the charging box can be prevented from being high, the possibility that the charging box is laterally inclined during placement can be reduced, and the placement stability of the charging box is improved.

Description

Technical Field

[0001] This application relates to the field of electronic device technology, and more specifically, to a charging case and earphone system. Background Technology

[0002] In related technologies, users typically utilize charging cases to charge or store earphones. For example, when the earphones are low on battery or no longer needed, users can store them in the charging case. Typically, a charging case includes a base and a lid, with the lid able to move relative to the base to allow the earphones to be placed or removed from the case. However, if the lid is too heavy, it will result in a high center of gravity for the charging case, making it prone to tipping over and affecting its stability. Utility Model Content

[0003] The charging case provided in this application includes a base and a cover. The cover is movably connected to the base to selectively release or press the earphones. The weight of the cover is less than the weight of the base.

[0004] In some embodiments, at least a portion of the cover is a hollow structure.

[0005] In some embodiments, the volume of the cover is less than or equal to the volume of the base; and / or, the wall thickness of the cover is less than the wall thickness of the base.

[0006] In some embodiments, the volume of the cover is less than or equal to the volume of the base; and / or, the density of the material of the cover is less than the density of the material of the base.

[0007] In some embodiments, the orthographic projection of the cover onto the base lies entirely within the range of the base.

[0008] In some embodiments, the cover is provided with reinforcing ribs that extend from the inner wall of the cover toward the center of the cover.

[0009] In some embodiments, the cover includes a main body and an extension, the extension extending from the main body toward the base, the base including a seat and a connector, the connector extending from the seat toward the cover, the extension partially extending into the connector and being able to move up and down relative to the connector, the main body, the extension, the connector and the seat together forming an earphone compartment, the earphone compartment being used to accommodate and limit the earphone.

[0010] In some embodiments, the main body and / or the extension is a hollow structure.

[0011] In some embodiments, the extension is disposed on the side edge of the body, and the connector is disposed on the side edge of the seat.

[0012] The headphone system provided in this application includes headphones and a charging case as described in any of the above embodiments, wherein the charging case is used to charge the headphones.

[0013] In the charging case and earphone system of this application embodiment, the weight of the cover is less than the weight of the base, thereby preventing the center of gravity of the charging case from being too high, thus reducing the possibility of the charging case tipping over when placed and improving the stability of the charging case.

[0014] Additional aspects and advantages of embodiments of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of embodiments of this application. Attached Figure Description

[0015] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, wherein:

[0016] Figure 1 This is a three-dimensional structural diagram of a headphone system according to certain embodiments of this application;

[0017] Figure 2 yes Figure 1 A three-dimensional structural diagram of some components in the headphone system is shown.

[0018] Figure 3 This is a three-dimensional structural diagram of the charging box according to an embodiment of this application;

[0019] Figure 4 yes Figure 3 An exploded 3D view of the charging case shown.

[0020] Figure 5 yes Figure 3 The diagram shows a cross-sectional view of the charging case.

[0021] Description of main component symbols:

[0022] Headphone System 300;

[0023] Charging case 100, rechargeable battery 110, charging circuit 120; earphone 200, transducer 210, first transducer 2101, second transducer 2103, battery compartment 220, control compartment 230, first ear hook assembly 240, second ear hook assembly 250, back hook assembly 260, second electrical connector 270;

[0024] Base 10, earphone compartment 101, first side 1011, second side 1013, third side 1015, fourth side 1017, base 11, base body 111, top cover 113, connector 13, first electrical connector 15;

[0025] Cover 20, main body 21, first cavity 210, first sub-part 211, second sub-part 213, extension 23, second cavity 230, reinforcing rib 25. Detailed Implementation

[0026] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the embodiments of this application, and should not be construed as limiting the embodiments of this application.

[0027] In the description of this application, it should be understood that the terms "thickness," "upper," "top," "bottom," "inner," "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. 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. Therefore, features defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "connection" and "linkage" should be interpreted broadly. In one example, they can be a fixed connection, a detachable connection, or an integral connection; they can be a mechanical connection, an electrical connection, or a connection that allows communication between them; they can be a direct connection or an indirect connection through an intermediate medium; they can be the internal connection of two elements or the interaction between two elements.

[0029] In related technologies, users typically utilize charging cases for functions such as charging or storing earphones. For example, when the earphones are low on battery or no longer needed, users can store them in the charging case. Typically, a charging case includes a base and a lid, with the lid capable of moving relative to the base to open and close the case. However, if the lid is too heavy, it will result in a high center of gravity for the charging case, making it prone to tipping over when placed, affecting its stability. To address this issue, please refer to [link to relevant documentation]. Figure 1This application provides a charging case 100 and an earphone system 300.

[0030] Please see Figure 1 The headphone system 300 provided in this embodiment includes headphones 200 and a charging case 100. The charging case 100 is used to charge the headphones 200. Since the headphone system 300 in this embodiment includes the charging case 100, it is understood that the headphone system 300 includes at least the same beneficial effects as the charging case 100. Therefore, the beneficial effects of the headphone system 300 are described below in relation to the beneficial effects of the charging case 100.

[0031] In some embodiments of this application, the earphone 200 can be worn on the user's ear and can be used in conjunction with devices such as mobile phones, computers, smart wearable devices (such as smartwatches, smart bracelets, smart glasses and smart helmets), head-mounted displays and virtual reality devices.

[0032] Specifically, in some embodiments, the earphone 200 includes air-conduction earphones and bone-conduction earphones. Air-conduction earphones, also known as air-conduction headphones, are earphones that transmit sound through air vibrations. Bone-conduction earphones, also known as bone-conduction headphones, are earphones that convert sound into different mechanical vibrations and transmit sound waves through the skull, bony labyrinth, inner ear fluid, cochlea, auditory center, etc.

[0033] It should be noted that the user's ear includes the external auditory canal, concha, cymba conchae, triangular fossa, helix, and antitragus. Among these, the concha, cymba conchae, and triangular fossa have a certain depth and volume in three-dimensional space. The external auditory canal is a curved tube extending medially from the external auditory meatus deep within the concha to the tympanic membrane.

[0034] Furthermore, in some embodiments, the earphone 200 includes a transducer assembly 210 (including a first transducer assembly 2101 and a second transducer assembly 2103), which is a structure in the earphone 200 used to enable the user to hear sound. In one example, when the earphone 200 is a bone conduction earphone, the transducer assembly 210 is configured to be located on the front side of the ear when the earphone 200 is worn, in which case the transducer assembly 210 does not block the external auditory canal. In another example, when the earphone 200 is an air conduction earphone, the transducer assembly 210 is configured to at least partially extend into at least one part of the concha, cymba conchae, and triangular fossa when the earphone 200 is worn. It should be noted that the embodiments described below only use a bone conduction earphone 200 as an example.

[0035] Furthermore, in some embodiments, the earphone 200 includes a battery compartment 220, a control compartment 230, a first ear hook assembly 240, a second ear hook assembly 250, and a back hook assembly 260 disposed between the first ear hook assembly 240 and the second ear hook assembly 250. The first ear hook assembly 240 and the second ear hook assembly 250 are respectively hooked onto the left and right ears. The battery compartment 220 may be disposed between the first ear hook assembly 240 and the back hook assembly 260, and the control compartment 230 may be disposed between the second ear hook assembly 250 and the back hook assembly 260. The first transducer assembly 2101 and the second transducer assembly 2103 are both used to convert electrical signals into mechanical vibrations so that the user can hear sound. When the earphone 200 is in the wearing state, both the first transducer assembly 2101 and the second transducer assembly 2103 are located on the front side of the ear.

[0036] Please see Figure 1 and Figure 3 The charging case 100 provided in this application includes a base 10 and a cover 20. The cover 20 is movably connected to the base 10 to selectively release or press the earphones 200. The weight of the cover 20 is less than the weight of the base 10.

[0037] The base 10 is a structure in the charging case 100 used to support the earphones 200. The base 10 is made of materials including, but not limited to, plastic, aluminum alloy, copper, iron, steel, and carbon fiber composite materials. For example, the base 10 is made of plastic, which makes the charging case 100 lighter and easier for users to carry.

[0038] Please combine Figure 4 In some embodiments of this application, the base 10 is provided with a charging circuit 120 and a rechargeable battery 110. When the battery compartment 220 of the earphone 200 is placed in the charging case 100, the charging circuit 120 can transfer electrical energy from the rechargeable battery 110 to the battery compartment 220 to charge the earphone 200. Since both the charging circuit 120 and the rechargeable battery 110 are located in the base 10, the overall weight of the base 10 is relatively large, preventing the center of gravity of the charging case 100 from being too high and reducing the possibility of the charging case 100 tipping over when the earphone 200 is stored in it.

[0039] Furthermore, please combine Figure 2 In some embodiments, the charging case 100 is provided with a first electrical connector 15, and the earphone 200 is provided with a second electrical connector 270. When the earphone 200 is placed in the charging case 100, the first electrical connector 15 and the second electrical connector 270 are electrically connected. In some examples, at least one of the first electrical connector 15 and the second electrical connector 270 is included.

[0040] Specifically, in some embodiments, when the first electrical connector 15 and the second electrical connector 270 are electrically connected, the charging case 100 and the earphone 200 can perform functions such as power transmission and data transmission. For example, when the first electrical connector 15 and the second electrical connector 270 are electrically connected, the charging circuit 120 can transmit the electrical energy of the rechargeable battery 110 to the battery compartment 220 of the earphone 200 through the first electrical connector 15 and the second electrical connector 270, thereby charging the earphone 200. It should be noted that in some embodiments, the first electrical connector 15 can be at least one of the devices that can achieve electrical connection, such as a spring pin and a spring sheet; the second electrical connector 270 can be a device that can be electrically connected to the first electrical connector 15.

[0041] The cover 20 is a structure in the charging case 100 that can cooperate with the base 10 to confine the earphones 200. The cover 20 is made of materials including, but not limited to, plastic, aluminum alloy, copper, iron, steel, and carbon fiber composite materials. For example, the cover 20 is made of plastic, which makes the charging case 100 lighter and easier for users to carry. It is understood that the material of the cover 20 and the base 10 can be the same or different.

[0042] A movable connection refers to a connection method between two or more components that allows relative movement between the connected components. In some embodiments of this application, the cover 20 and the base 10 are movably connected, that is, the cover 20 and the base 10 can rotate relative to each other, slide relative to each other, or rise relative to each other. Thus, when the cover 20 moves relative to the base 10, the charging case 100 can operate in both an operational and non-operational state. Figure 1 The earphones can be switched between the charging case 100 and the charging case 100. When the earphones 200 are in the charging case 100, if the charging case 100 is in operation, the cover 20 can release the earphones 200, and the earphones 200 can be taken out of the charging case 100. If the charging case 100 is in operation, the cover 20 can press the earphones 200, and the earphones 200 can be stored in the charging case 100.

[0043] In some embodiments of this application, the weight of the cover 20 being less than the weight of the base 10 may be as follows: the weight of the cover 20 itself is less than the weight of the base 10 itself; or, the weight of the overall structure formed by the cover 20 and the structures disposed on the cover 20 is less than the weight of the base 10 itself; or, the weight of the overall structure formed by the cover 20 and the structures disposed on the cover 20 is less than the weight of the overall structure formed by the base 10 and the structures disposed on the base 10 (e.g., the structure formed by the base 10, the charging circuit 120 disposed on the base 10, and the rechargeable battery 110). It is understood that in some embodiments of this application, no additional structures are disposed on the cover 20.

[0044] In the charging case 100 of this application embodiment, the weight of the cover 20 is less than the weight of the base 10, thereby preventing the center of gravity of the charging case 100 from being too high, thus reducing the possibility of the charging case 100 tilting when placed and improving the stability of the charging case 100 when placed.

[0045] In addition, the weight of the cover 20 is less than the weight of the base 10. On the one hand, compared with the weight of the cover 20 being greater than or equal to the weight of the base 10, the overall weight of the charging case 100 is smaller, making it easier for users to carry. On the other hand, it can prevent the cover 20 from being too heavy, making it difficult or even impossible for the cover 20 to move relative to the base 10, thereby ensuring the normal use of the charging case 100.

[0046] The charging case 100 will be further described below with reference to the attached diagram.

[0047] Please see Figure 3 In some embodiments, the orthographic projection of the cover 20 onto the base 10 lies entirely within the area of ​​the base 10. That is, the projection of the cover 20 in the height direction Z perpendicular to the charging case 100 lies within the projection of the base 10 in the same height direction Z. This ensures that the center of gravity of the charging case 100 is within the area of ​​the base 10. Compared to the case where the center of gravity is outside the base 10, the charging case 100 is less likely to tip over when placed, thus improving its stability. It should be noted that the height direction Z of the charging case 100 can be: the direction from the cover 20 to the base 10 when the charging case 100 is not in operation; or, the direction from the base 10 to the cover 20.

[0048] In other embodiments, the projection of the cover 20 in the height direction Z perpendicular to the charging case 100 coincides with the projection of the base 10 in the height direction Z perpendicular to the charging case 100. This allows the center of gravity of the charging case 100 to be located within the area of ​​the base 10, which reduces the likelihood of the charging case 100 tipping over when placed compared to when the center of gravity of the charging case 100 is outside the area of ​​the base 10, thereby improving the stability of the charging case 100 when placed.

[0049] In this embodiment, the example given is that the cross-section of the cover 20 cut by a plane perpendicular to the height direction Z of the charging box 100 is smaller than the cross-section of the base 10 cut by a plane perpendicular to the height direction Z of the charging box 100.

[0050] Please see Figure 3 and Figure 4In some embodiments, the cover 20 includes a main body 21 and an extension 23. The extension 23 extends from the main body 21 toward the base 10. The base 10 includes a seat 11 and a connector 13. The connector 13 extends from the seat 11 toward the cover 20. The extension 23 partially extends into the connector 13 and is able to move up and down relative to the connector 13.

[0051] Specifically, in some embodiments, a portion of the extension 23 can extend into the connector 13 and can move up and down relative to the connector 13. In this way, the connector 13 can guide and limit the movement of the extension 23, preventing the extension 23 from getting stuck during the movement, thereby improving the stability of the cover 20 moving up and down relative to the base 10.

[0052] It is understood that the projection of the extension 23 on the base 11 is located inside the connector 13, thereby ensuring that the extension 23 can extend into the connector 13, and thus enabling the extension 23 to rise and fall relative to the connector 13.

[0053] In some embodiments, the main body 21 and the extension 23 are an integral structure, that is, the main body 21 and the extension 23 can be integrally molded to form a whole, which can improve the stability of the connection between the main body 21 and the extension 23. In other embodiments, the main body 21 and the extension 23 are separate structures, that is, the main body 21 and the extension 23 are two different structures. In one example, the main body 21 and the extension 23 can be joined together by a detachable connection method, including but not limited to snap-fit ​​connections or bolt connections. In another example, the main body 21 and the extension 23 can be joined together by a non-detachable connection method, including but not limited to adhesive or welding. It is understood that the connection method between the base 11 and the connector 13 is basically the same as the connection method between the main body 21 and the extension 23, and will not be described in detail here.

[0054] Please see Figure 1 , Figure 3 and Figure 4 In some embodiments, the main body 21, the extension 23, the connector 13 and the seat 11 together form an earphone compartment 101, which is used to accommodate and limit the earphone 200.

[0055] Specifically, in some embodiments, when the cover 20 rises relative to the base 10, the size of the earphone compartment 101 in the height direction Z of the charging case 100 increases, and the cover 20 switches from a pressing position to a releasing position. In this case, the earphone 200 can be placed into the earphone compartment 101; or, the earphone 200 can be removed from the earphone compartment 101. When the cover 20 falls relative to the base 10, the size of the earphone compartment 101 in the height direction Z of the charging case 100 decreases, and the cover 20 switches from a releasing position to a pressing position. In this case, the cover 20 can press the earphone 200 into the earphone compartment 101, and the charging case 100 can charge the earphone 200.

[0056] Furthermore, in some embodiments, the seat 11 includes a seat body 111 and a top cover 113 connected together, and a connector 13 extends from the top cover 113 toward the cover 20. The main body 21, the extension 23, the connector 13 and the top cover 113 together form the earphone compartment 101.

[0057] Specifically, in some embodiments, both the charging circuit 120 and the rechargeable battery 110 are disposed within the base 11. The base body 111 and the top cover 113 can be joined together in a detachable manner, including but not limited to snap-fit ​​connections or bolt connections. This facilitates the assembly of the rechargeable battery 110 and the charging circuit 120 within the base 11.

[0058] In some embodiments, the extension 23 is disposed on the side edge of the main body 21, and the connector 13 is disposed on the side edge of the base 11. Therefore, compared to a position where the extension 23 is disposed on the main body 21 away from the side edge (such as the center of the main body 21), and the connector 13 is disposed on a position on the base 11 away from the side edge (such as the center of the base 11), the earphone case 101 is larger, thereby facilitating the installation of the earphones 200 on the charging case 100 and improving the applicability of the charging case 100.

[0059] Please see Figure 1 and Figure 3 In some embodiments, the earphone compartment 101 includes a first side 1011, a second side 1013, a third side 1015, and a fourth side 1017 connected in sequence. At least one of the first side 1011, the second side 1013, the third side 1015, and the fourth side 1017 of the earphone compartment is open to allow the earphone 200 to be inserted into the earphone compartment 101.

[0060] Specifically, in some embodiments, on a plane perpendicular to the height direction Z of the charging case 100, the earphone compartment 101 includes a first side 1011, a second side 1013, a third side 1015, and a fourth side 1017 connected sequentially. At least one of the first side 1011, the second side 1013, the third side 1015, and the fourth side 1017 of the earphone compartment is open. Thus, when the cover 20 is raised relative to the base 10, the earphones 200 can be placed into the earphone compartment 101 through the open side (including at least one of the first side 1011, the second side 1013, the third side 1015, and the fourth side 1017), thereby enabling the charging case 100 to charge and store the earphones 200.

[0061] In some embodiments of this application, the first side 1011 of the earphone compartment is closed, while the second side 1013, the third side 1015, and the fourth side 1017 of the earphone compartment are open. In this case, when the cover 20 rises relative to the base 10, the earphone 200 can be inserted into the earphone compartment 101 through the second side 1013 along the direction from the second side 1013 to the fourth side 1017 of the earphone compartment; or, the earphone 200 can be inserted into the earphone compartment 101 through the third side 1015 along the direction from the third side 1015 to the first side 1011 of the earphone compartment.

[0062] Please see Figures 3 to 5 In some embodiments, at least a portion of the cover 20 is a hollow structure.

[0063] Specifically, in some embodiments, the cover 20 may have a cavity inside (including a first cavity 210 and a second cavity 230). Therefore, compared to a solid structure, the cover 20 is lighter, preventing the center of gravity of the charging case 100 from being closer to the cover 20 than the base 10, thereby improving the stability of the charging case 100. Furthermore, at least a portion of the cover 20 being hollow can reduce material usage, thereby lowering the production cost of the charging case 100.

[0064] Furthermore, please combine Figure 5 In some embodiments, the main body 21 and / or the extension 23 are hollow structures. Specifically, in one example, the main body 21 is a hollow structure. In this case, the interior of the main body 21 may have a first cavity 210. In another example, the extension 23 is a hollow structure. In this case, the interior of the extension 23 may have a second cavity 230. In yet another example, both the main body 21 and the extension 23 are hollow structures. In this case, the interior of the main body 21 may have a first cavity 210, and the interior of the extension 23 may have a second cavity 230.

[0065] More specifically, the main body 21 may include a first sub-part 211 and a second sub-part 213. If the main body 21 has a hollow structure, then when the first sub-part 211 and the second sub-part 213 are combined, the first sub-part 211 and the second sub-part 213 together form a first cavity 210. Therefore, compared to a solid structure for the cover 20, that is, compared to a structure where the first sub-part 211 and the second sub-part 213 are combined and there is no first cavity 210, the cover 20 is lighter in weight.

[0066] In one example, the first sub-part 211 and the second sub-part 213 are an integral structure, that is, the first sub-part 211 and the second sub-part 213 can be formed into a whole by integral molding, which can improve the sealing of the main body 21 and prevent external water or dust from entering the main body 21, thereby improving the stability and reliability of the charging box 100.

[0067] In another example, the first sub-part 211 and the second sub-part 213 are separate structures, that is, the first sub-part 211 and the second sub-part 213 are two different structures. The first sub-part 211 and the second sub-part 213 can be combined by a detachable connection method or a non-detachable connection method. The detachable connection method includes, but is not limited to, snap-fit ​​connection or bolt connection; the non-detachable connection method includes, but is not limited to, adhesive or welding.

[0068] Please see Figure 5 In some embodiments, the cover 20 is provided with reinforcing ribs 25, which protrude from the inner wall of the cover 20 toward the center of the cover 20. The reinforcing ribs 25 increase the structural strength of the cover 20 and reduce the possibility of deformation and damage. Furthermore, compared to reinforcing ribs 25 protruding away from the cover 20, the reinforcing ribs 25 in this embodiment are not visible to the user, thus improving the appearance of the charging case 100.

[0069] In some embodiments of this application, the reinforcing rib 25 may extend from the first sub-part 211 toward the center of the cavity (the first cavity 210 formed by the combination of the first sub-part 211 and the second sub-part 213); and / or, the reinforcing rib 25 may extend from the second sub-part 213 toward the center of the cavity, thereby improving the structural strength of the cover 20 while achieving a lightweight design. It is understood that when the cover 20 is provided with the reinforcing rib 25, the overall weight of the cover 20 and the reinforcing rib 25 is also less than the weight of the base 10.

[0070] Please see Figure 3 and Figure 5In some embodiments, the volume of the cover 20 is smaller than the volume of the base 10; and / or, the wall thickness of the cover 20 is smaller than the wall thickness of the base 10. This makes the cover 20 lighter, thereby preventing the center of gravity of the charging case 100 from being closer to the cover 20 than the base 10, that is, making the center of gravity of the charging case 100 lower, thereby reducing the possibility of the charging case 100 tilting when placed and improving the stability of the charging case 100 when placed.

[0071] For example, when the volume of the cover 20 is smaller than the volume of the base 10 and the cover 20 and the base 10 are made of the same material, the weight of the cover 20 is less than the weight of the base 10; or, when the volume of the cover 20 is smaller than the volume of the base 10 and the wall thickness of the cover 20 is less than the wall thickness of the base 10, the weight of the cover 20 is less than the weight of the base 10.

[0072] In some embodiments, the volume of the cover 20 is smaller than the volume of the base 10; and / or, the density of the material of the cover 20 is less than the density of the material of the base 10. This makes the cover 20 lighter, thereby preventing the center of gravity of the charging case 100 from being closer to the cover 20 than the base 10, that is, making the center of gravity of the charging case 100 lower, thereby reducing the possibility of the charging case 100 tilting when placed, and improving the stability of the charging case 100 when placed.

[0073] For example, when the volume of the cover 20 is smaller than the volume of the base 10, and the density of the material of the cover 20 is less than the density of the material of the base 10, the weight of the cover 20 is less than the weight of the base 10. It is understood that in other examples, when the volume of the cover 20 is equal to the volume of the base 10, and the density of the material of the cover 20 is less than the density of the material of the base 10, the weight of the cover 20 is also less than the weight of the base 10.

[0074] In summary, in some embodiments of this application, the weight of the cover 20 is less than the weight of the base 10 when at least one of the following conditions is met: at least a portion of the cover 20 is a hollow structure; the volume of the cover 20 is less than the volume of the base 10; the wall thickness of the cover 20 is less than the wall thickness of the base 10; and the density of the material of the cover 20 is less than the density of the material of the base 10.

[0075] For example, if at least a portion of the cover 20 is a hollow structure, the volume of the cover 20 is smaller than the volume of the base 10, the wall thickness of the cover 20 is smaller than the wall thickness of the base 10, and the density of the material of the cover 20 is smaller than the density of the material of the base 10, then the weight of the cover 20 is less than the weight of the base 10. This can prevent the center of gravity of the charging box 100 from being too high, reduce the possibility of the charging box 100 tilting when placed, and improve the stability of the charging box 100 when placed.

[0076] In the description of this specification, the references to terms such as "some embodiments," "in one example," "exemplarily," etc., indicate that a specific feature, structure, material, or characteristic described in connection with an embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer 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. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0077] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A charging case for earphones, characterized in that, include: Base; and The cover is movably connected to the base to selectively release or press the earphones. The weight of the cover is less than the weight of the base. The cover can be raised and lowered relative to the base to switch the charging case between an operating state and a non-operating state. When the charging case is in the operating state, the cover can release the earphones. When the charging case is in the non-operating state, the cover can press the earphones.

2. The charging case according to claim 1, characterized in that, At least a portion of the cover is a hollow structure.

3. The charging case according to claim 1, characterized in that, The volume of the cover is smaller than the volume of the base; and / or, the wall thickness of the cover is smaller than the wall thickness of the base.

4. The charging case according to claim 1, characterized in that, The volume of the cover is smaller than the volume of the base; and / or, the density of the material of the cover is smaller than the density of the material of the base.

5. The charging case according to claim 1, characterized in that, The orthographic projection of the cover onto the base lies entirely within the area of ​​the base.

6. The charging case according to claim 1, characterized in that, The cover is provided with reinforcing ribs, which extend from the inner wall of the cover toward the center of the cover.

7. The charging case according to claim 1, characterized in that, The cover includes a main body and an extension. The extension extends from the main body toward the base. The base includes a seat and a connector. The connector extends from the seat toward the cover. The extension partially extends into the connector and can be raised and lowered relative to the connector. The main body, the extension, the connector, and the seat together form an earphone compartment, which is used to accommodate and limit the earphone.

8. The charging case according to claim 7, characterized in that, The main body and / or the extension are hollow structures.

9. The charging case according to claim 7, characterized in that, The extension is disposed on the side edge of the main body, and the connector is disposed on the side edge of the base.

10. A headphone system, characterized in that, include: earphone; and The charging case according to any one of claims 1-9, wherein the charging case is used to charge the earphones.

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