Charging case and earbuds assembly

TWI934324BActive Publication Date: 2026-08-01LUXSHARE PRECISION IND SHENZHEN
View PDF 4 Cites 0 Cited by

Patent Information

Authority / Receiving Office
TW · TW
Patent Type
Patents
Current Assignee / Owner
LUXSHARE PRECISION IND SHENZHEN
Filing Date
2024-10-29
Publication Date
2026-08-01

AI Technical Summary

Technical Problem

Existing earphone charging cases face issues with inconvenient operation due to flip-top designs requiring both hands and structural limitations in sliding covers affecting manufacturing and stability.

Method used

A charging case design featuring a guide groove and rotating component that allows the upper cover to be opened or closed without interference with earphones, using a guide member and steering mechanism with a torsion spring for smooth operation.

Benefits of technology

Enables one-handed operation and improved manufacturing efficiency by avoiding earphone interference during cover opening and closing, enhancing user experience and reducing assembly complexity.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure TWG2TB001903665_001
    Figure TWG2TB001903665_001
  • Figure TWG2TB001903665_002
    Figure TWG2TB001903665_002
  • Figure TWG2TB001903665_003
    Figure TWG2TB001903665_003
Patent Text Reader

Abstract

This invention discloses a charging case and an earphone kit. The charging case includes an upper cover, a guide member, a lower shell, a rotating shaft, and a rotating component. The upper cover includes a cover body and a first inner liner disposed within the cover body. The guide member is fixedly disposed on the first inner liner. The rotating shaft is fixedly disposed on the lower shell. The lower end of the rotating component is rotatably disposed on the rotating shaft, and the upper end of the rotating component is slidably connected to the guide member via a guide groove. When the rotating component is in a first position of the upper cover, it is inclined towards the center of the lower shell; when the rotating component is in a second position of the upper cover, it is inclined towards the outer side of the lower shell. The direction from the first position of the upper cover to the second position of the upper cover is the opening direction of the charging case. Thus, the charging case raises the upper cover by rotating the rotating component, allowing the upper cover to avoid the earphones when opening and closing, thereby achieving a smooth opening and closing.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of wireless earphone technology, and more particularly to a charging case and earphone kit. Prior Technology

[0002] Most earphone charging cases on the market open via a flip-top or a sliding cover. Flip-top designs generally require both hands to open and close the case, which is inconvenient. Sliding covers, on the other hand, are limited in structure due to interference between the cover and the earphones, affecting the efficiency of parts manufacturing and assembly, as well as the stability of the product. Summary of the Invention

[0003] In view of this, the purpose of the present invention is to provide a charging case and earphone kit, wherein the earphones are avoided when the top cover is opened or closed by means of a guide groove inclinedly provided on the guide member and a steering member.

[0004] In a first aspect, embodiments of the present invention provide a charging case, comprising: an upper cover, a guide member, a lower shell, a rotating shaft, and a rotating component. The upper cover includes a cover body and a first inner liner disposed within the cover body. The guide member is fixedly disposed on the first inner liner. A receiving space is formed between the lower shell and the upper cover to receive an earphone. The rotating shaft is fixedly disposed on the lower shell. The lower end of the rotating component is rotatably disposed on the rotating shaft, and the upper end of the rotating component is slidably connected to the guide member. When the rotating component is in a first position of the upper cover, it is inclined toward the center of the lower shell; when the rotating component is in a second position of the upper cover, it is inclined toward the outer side of the lower shell. The direction from the first position of the upper cover to the second position of the upper cover is the opening direction of the charging case.

[0005] In some embodiments, a guide groove is formed on the guide member, the guide groove extends from the first position of the upper cover toward the second position of the upper cover and slopes downward, and the upper end of the rotating member is disposed in the guide groove and is slidably connected to the guide member through the guide groove.

[0006] In some embodiments, the charging box further includes a torsion spring. The torsion spring is sleeved on the rotating shaft, and its two ends are respectively connected to the rotating component and the lower shell.

[0007] In some embodiments, the lower shell has a mounting groove, and a rotating shaft is disposed within the mounting groove. A fixing groove is provided at the lower end of the rotating component. One end of a torsion spring abuts against the side wall of the mounting groove, and the other end of the torsion spring is fixedly disposed within the fixing groove.

[0008] In some embodiments, the mounting groove is provided with a stepped structure that matches the lower end of the rotating component.

[0009] In some embodiments, the upper end of the rotating component is provided with a plurality of balls, each ball being matched with a guide groove to be rolled within the guide groove.

[0010] In some embodiments, the rotating component includes a rotating part, a sliding part, and a mounting part. The rotating part is rotatably mounted on a rotating shaft. The sliding part is located at the upper end of the rotating part. The mounting part is disposed on the sliding part and is provided with a plurality of ball bearings.

[0011] In some embodiments, the mounting part has multiple mounting holes, and multiple balls are arranged in the mounting holes. The sliding part has a clearance groove that matches each ball.

[0012] In some embodiments, the charging case further includes a first magnet, a second magnet, and a third magnet. The first magnet is disposed on the lower shell and located near the rotating member. The second magnet is disposed at a first position on the upper cover and attracts the first magnet when the rotating member is in the first position on the upper cover. The third magnet is disposed at a second position on the upper cover and attracts the first magnet when the rotating member is in the second position on the upper cover.

[0013] Secondly, embodiments of the present invention also provide an earphone kit, the earphone kit comprising: a charging case as described in the first aspect and earphones. The earphones are housed within the charging case.

[0014] This invention provides a charging case and earphone kit. The charging case includes an upper cover, a guide, a lower shell, a rotating shaft, and a rotating component. The upper cover includes a cover body and a first inner liner disposed within the cover body. The guide is fixedly disposed on the first inner liner, and the rotating shaft is fixedly disposed on the lower shell. The lower end of the rotating component is rotatably disposed on the rotating shaft, and the upper end of the rotating component is slidably connected to the guide via a guide groove. When the rotating component is in a first position of the upper cover, it is inclined towards the center of the lower shell; when the rotating component is in a second position of the upper cover, it is inclined towards the outer side of the lower shell. The direction from the first position to the second position of the upper cover is the opening direction of the charging case. Therefore, the rotation of the rotating component raises the upper cover, allowing the upper cover to avoid the earphones when opening and closing, thus achieving a smooth opening and closing. Simple Explanation of the Diagram

[0015] The above and other objects, features and advantages of the present invention will become more apparent from the following description of embodiments of the invention with reference to the accompanying drawings, in which: Figure 1 is a schematic diagram of the charging case in the closed state according to an embodiment of the present invention; Figure 2 is a structural schematic diagram of the charging case in the open state according to an embodiment of the present invention; Figure 3 is an exploded view of the charging box provided in an embodiment of the present invention; Figure 4 is a cross-sectional view of the charging case in the closed state according to an embodiment of the present invention; Figure 5 is a cross-sectional view of the charging case in the open state according to an embodiment of the present invention; Figure 6 is a schematic diagram of the guide component provided in an embodiment of the present invention; Figure 7 is a schematic diagram of the upper inner liner provided in an embodiment of the present invention; Figure 8 is a schematic diagram of the lower inner liner provided in an embodiment of the present invention; Figure 9 is a schematic diagram of the rotating component provided in an embodiment of the present invention; Figure 10 is a partial structural schematic diagram of the rotating component provided in an embodiment of the present invention. Implementation

[0016] The present application is described below based on embodiments, but it is not limited to these embodiments. In the detailed description of the present application below, certain specific details are described in detail. Those skilled in the art will fully understand the present application without these details. To avoid obscuring the substance of the present application, well-known methods, processes, flows, elements, and circuits are not described in detail.

[0017] Furthermore, those skilled in the art should understand that the accompanying drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

[0018] Unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixation" should be interpreted broadly. For example, they can refer to a fixed 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, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0019] For ease of explanation, spatially related terms such as "inside," "outside," "below," "below," "lower part," "above," and "upper part," etc., are used herein to describe the relationship between one element or feature illustrated in the figure and another element or feature. It will be understood that spatially related terms may be intended to encompass different orientations of the device in use or operation besides those depicted in the figure. For example, if the device in the figure is flipped, an element described as "below" or "below" another element or feature would then be positioned "above" that other element or feature. Thus, the exemplified term "below" can encompass both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially related descriptive terms used herein should be interpreted accordingly.

[0020] Unless the context explicitly requires it, words such as "including" or "contains" throughout the application should be interpreted as including rather than exclusive or exhaustive; that is, meaning "including but not limited to".

[0021] In the description of this application, it should be understood that the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, in the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0022] Figure 1 is a structural schematic diagram of the charging case in the closed state according to an embodiment of the present invention, and Figure 2 is a structural schematic diagram of the charging case in the open state according to an embodiment of the present invention. Referring to Figures 1 and 2, the charging case A includes an upper cover 1 and a lower shell 3, and a receiving space is formed between the upper cover 1 and the lower shell 3 to accommodate the earphone B. Further, Figure 3 is an exploded view of the charging case according to an embodiment of the present invention, Figure 4 is a cross-sectional view of the charging case in the closed state according to an embodiment of the present invention, and Figure 5 is a cross-sectional view of the charging case in the open state according to an embodiment of the present invention. Referring to Figures 3, 4, and 5, the charging case A also includes a guide member 2, a rotating shaft 4, and a rotating member 5. Specifically, the guide member 2 is fixedly disposed on the upper cover 1, and the rotating shaft 4 is fixedly disposed on the lower shell 3. The lower end of the rotating member 5 is rotatably disposed on the rotating shaft 4, and the upper end of the rotating member 5 is slidably connected to the guide member 2. It should be noted that, as shown in Figures 4 and 5, the first position and the second position are two relative positions on the upper cover 1. When the charging case A is in the closed state, the rotating part 5 is located in the first position of the upper cover 1, and when the charging case A is in the open state, the rotating part 5 is located in the second position of the upper cover 1. Further, as shown in Figure 4, when the rotating part 5 is in the first position of the upper cover 1, it is tilted towards the center of the lower shell 3. Correspondingly, as shown in Figure 5, when the rotating part 5 is in the second position of the upper cover 1, it is tilted towards the outside of the lower shell 3. When the charging case A changes from the closed state to the open state, or from the open state to the closed state, during the sliding process of the upper cover 1, the rotating part 5 rotates and straightens, raising the upper cover 1 to avoid interference between the upper cover 1 and the earphone B.

[0023] Furthermore, Figure 6 is a structural schematic diagram of the guide member provided in an embodiment of the present invention. Referring to Figures 4, 5, and 6, the guide member 2 is provided with a guide groove 21. As shown in Figure 6, the guide member 2 includes two side plates 22 and two connecting rods 23, with the two connecting rods 23 connected at both ends of the side plates 22. Further, there are two guide grooves 21, with one guide groove 21 on each side plate 22. It is readily understood that the upper end of the rotating member 5 is slidably connected to the guide member 2 via the two guide grooves 21. Thus, when the user pushes the upper cover 1, the rotating member 5 can rotate while sliding relative to the upper cover 1.

[0024] As shown in Figure 4, the guide groove 21 extends from the first position of the upper cover 1 toward the second position of the upper cover 1 and slopes downward. Therefore, by incorporating a rotatable rotating component 5 in conjunction with the sloped guide groove 21, the upper cover 1 is able to lift upward during opening or closing, thus avoiding the earphones B placed inside the charging case A. For example, when the charging case A changes from a closed state to an open state, or vice versa, the upper cover 1 first slides upward at an angle while the rotating component 5 rotates to align. Then, the upper cover 1 slides horizontally until the rotating component 5 is deflected into position. Finally, the upper cover 1 slides downward at an angle, thus completing the sliding action to avoid the earphones B.

[0025] Referring to Figures 3, 4, and 5, in one embodiment, the upper cover 1 includes a cover body 11 and an upper inner liner 12 disposed within the cover body 11, and the lower shell 3 includes a shell 33 and a lower inner liner 34 disposed within the shell 33. Further, a guide member 2 is disposed on the upper inner liner 12, a rotating shaft 4 is disposed on the lower inner liner 34, and a rotating member 5 is disposed on the lower inner liner 34 via the rotating shaft 4. It is readily understood that the charging case A, through the upper inner liner 12 and the lower inner liner 34, can easily adjust its structure for the earphones B, thereby contributing to improved usability and reduced costs.

[0026] Figure 7 is a schematic diagram of the upper inner liner provided in an embodiment of the present invention. As shown in Figure 7, in one embodiment, an elongated perforation 121 is provided at the center of the upper inner liner 12. Specifically, the perforation 121 is rectangular and matches the guide member 2, which is positioned at the location of the perforation 121. Thus, the upper end of the rotating member 5 can pass through the perforation 121 to engage with the guide groove 21 on the guide member 2.

[0027] Referring to Figures 3, 4, and 5, in one embodiment, the charging case A further includes a torsion spring 6. It should be noted that the torsion spring 6 is sleeved on the rotating shaft 4, and its two ends are respectively connected to the rotating component 5 and the lower shell 3. It is easily understood that when the upper cover 1 is opened or closed by sliding, the rotating component 5 rotates, causing the torsion spring 6 to twist. Therefore, when the upper cover 1 is opened or closed, the torsion spring 6 can use its elastic force to assist the rotating component 5, thereby improving the user experience.

[0028] Figure 8 is a schematic diagram of the lower inner liner provided in an embodiment of the present invention. In one embodiment, the lower inner liner 34 is provided with a mounting groove 31, that is, the lower shell 3 is provided with a mounting groove 31. As shown in Figures 4 and 5, the rotating shaft 4 is disposed in the mounting groove 31. Further, Figure 9 is a schematic diagram of the rotating component provided in an embodiment of the present invention. As shown in Figure 9, the lower end of the rotating component 5 is provided with a fixing groove 51. It should be noted that one end of the torsion spring 6 abuts against the inner sidewall of the mounting groove 31, and the other end of the torsion spring 6 is fixedly disposed in the fixing groove 51. Thus, when the upper cover 1 slides, the rotating component 5 rotates around the rotating shaft 4, and the lower end of the rotating component 5 drives one end of the torsion spring 6 to move, so that the torsion spring 6 can rotate synchronously, thereby enabling the torsion spring 6 to use its elastic force to assist the rotating component 5, thereby improving the user experience.

[0029] As shown in Figure 8, in one embodiment, a stepped structure 32 is provided within the mounting groove 31. Specifically, the stepped structure 32 matches the lower end of the rotating member 5. It should be noted that a curved surface is formed on the stepped structure 32 to accommodate the rotational movement of the rotating member 5. Thus, the stepped structure 32 provided within the mounting groove 31 can provide support and limit the rotation of the rotating member 5.

[0030] As shown in Figure 9, in one embodiment, the upper end of the rotating member 5 is provided with multiple balls 52. It is readily understood that multiple balls 52 are provided on both sides of the rotating member 5 to fit into the two guide grooves 21 on the guide member 2. For example, each side of the rotating member 5 is provided with three balls 52 spaced apart along a straight line. Specifically, six balls 52 are matched with the two guide grooves 21, allowing the six balls 52 to roll within the two guide grooves 21. It is readily understood that by providing the balls 52, the smoothness of relative sliding between the rotating member 5 and the upper cover 1 can be improved.

[0031] As shown in Figure 9, in one embodiment, the rotating member 5 includes a rotating part 53, a sliding part 54, and a mounting part 55. Specifically, the rotating part 53 is rotatably mounted on the rotating shaft 4, the sliding part 54 is located at the upper end of the rotating part 53, and the mounting part 55 is disposed on the sliding part 54. Optionally, the sliding part 54 is adapted to the guide member 2 and is configured as a cuboid structure, and the mounting part 55 is fixedly disposed on the outer side of the sliding part 54. Further, a plurality of balls 52 are spaced apart on the mounting part 55, so that they can roll along the guide groove 21 under the limiting action of the mounting part 55. Optionally, the rotating part 53 is configured as a bifurcated structure so that the torsion spring 6 can be disposed within the gap formed by the rotating part 53.

[0032] Figure 10 is a partial structural schematic diagram of the rotating component provided in an embodiment of the present invention. As shown in Figure 10, in one embodiment, the mounting part 55 is provided with a plurality of mounting holes 551, and a plurality of balls 52 are disposed in the corresponding mounting holes 551. It is easy to understand that the shape and size of the mounting holes 551 match the balls 52, thereby ensuring that the mounting holes 551 limit the movement of the balls 52. Further, as shown in Figures 9 and 10, the sliding part 54 is provided with a relief groove 541, which matches the balls 52. Exemplarily, the bottom of the relief groove 541 is set to a curved shape, and the bottom of the guide groove 21 is also set to a curved shape, thereby ensuring that the balls 52 can roll smoothly, and thus ensuring that the upper cover 1 can slide smoothly.

[0033] As shown in Figure 3, in one embodiment, the charging box A further includes a first magnet 7, a second magnet 8, and a third magnet 9. Specifically, the first magnet 7 is disposed on the lower shell 3 and located near the rotating member 5. Optionally, the first magnet 7 is disposed in the cavity between the shell 33 and the lower inner liner 34. Further, the second magnet 8 is disposed at a first position of the upper cover 1, and the third magnet 9 is disposed at a second position of the upper cover 1. Optionally, as shown in Figure 7, the upper surface of the upper inner liner 12 is provided with a first receiving groove 122 and a second receiving groove 123. The first receiving groove 122 is located at the first position of the upper cover 1 and matches with the second magnet 8 to accommodate the second magnet 8, and the second receiving groove 123 is located at the second position of the upper cover 1 and matches with the third magnet 9 to accommodate the third magnet 9. Furthermore, when the rotating member 5 is in the first position of the upper cover 1, the second magnet 8 attracts the first magnet 7, thereby ensuring the closing effect of the upper cover 1. Correspondingly, when the rotating member 5 is in the second position of the upper cover 1, the third magnet 9 attracts the first magnet 7, thereby ensuring the opening effect of the upper cover 1. In this embodiment, there are two first magnets 7 spaced apart on both sides of the rotating member 5, two second magnets 8 spaced apart on both sides of the guide member 2, and two third magnets 9 spaced apart on both sides of the guide member 2. This ensures the stability of the adsorption structure and thus guarantees the opening and closing effect of the top cover 1. Optionally, there are two first receiving grooves 122 to accommodate two second magnets 8, and two second receiving grooves 123 to accommodate two third magnets 9.

[0034] This invention also provides an earphone kit, which includes a charging case A and earphones B. It should be noted that the structure of the charging case A is as described above and will not be repeated here. Furthermore, earphones B are housed within the charging case A. Therefore, when using the earphone kit, the user can open or close the top cover 1 by a combination of rotation and sliding, allowing the top cover 1 to avoid the earphones B, thus facilitating easy access to and removal of the earphones B.

[0035] This invention provides a charging case and earphone kit. The charging case includes an upper cover, a guide member, a lower shell, a rotating shaft, and a rotating component. The upper cover includes a cover body and a first inner liner disposed within the cover body. The guide member is fixedly disposed on the first inner liner, and a guide groove extends from a first position of the upper cover toward a second position of the upper cover and slopes downwards. The rotating shaft is fixedly disposed on the lower shell. The lower end of the rotating component is rotatably disposed on the rotating shaft, and the upper end of the rotating component is slidably connected to the guide member via the guide groove. When the rotating component is in the first position of the upper cover, it slopes toward the center of the lower shell; when the rotating component is in the second position of the upper cover, it slopes toward the outer side of the lower shell. The direction from the first position of the upper cover to the second position of the upper cover is the opening direction of the charging case. Therefore, the rotation of the rotating component of the charging case raises the upper cover, allowing the earphones to be avoided when the upper cover is opened or closed, thus achieving a smooth opening and closing.

[0036] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can 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 should be included within the protection scope of this application.

[0037] 1: Top cover 11: Cover 12: Upper lining 121: Leakage 122: First receiving tank 123: Second receiving tank 2: Guide components 21: Guide groove 22: Side panel 23: Connecting rod 3: Lower shell 31: Mounting slot 32: Step structure 33: Shell 34: Lower Lining 4: Rotating shaft 5: Rotating parts 51: Fixing slot 52: Ball bearing 53: Rotating part 54: Sliding part 541: Clearance slot 55: Installation Department 551: Mounting hole 6: Torsion Spring 7: First magnet 8: Second magnet 9: The third magnet A: Charging case B: Headphones

Claims

1. A charging case, comprising: The upper cover (1) includes a cover body (11) and a first inner liner (12) disposed inside the cover body (11); a guide member (2) is fixedly disposed on the first inner liner (12), and a guide groove (21) is formed on the guide member (2), the guide groove (21) extends from a first position of the upper cover (1) toward a second position of the upper cover (1) and slopes downward; a lower shell (3) forms an accommodating space with the upper cover (1) to accommodate the earphone (B); A rotating shaft (4) is fixedly mounted on the lower shell (3); and a rotating member (5), the lower end of which is rotatably mounted on the rotating shaft (4), the upper end of which is mounted in the guide groove (21) and slidably connected to the guide member (2) through the guide groove (21), the rotating member (5) tilts toward the center of the lower shell (3) when it is in the first position of the upper cover (1), and tilts toward the outside of the lower shell (3) when it is in the second position of the upper cover (1), the direction from the first position of the upper cover (1) toward the second position of the upper cover (1) is the opening direction of the charging box (A).

2. The charging case according to claim 1, wherein, The charging box also includes a torsion spring (6), which is sleeved on the rotating shaft (4), and the two ends of the torsion spring (6) are respectively connected to the rotating part (5) and the lower shell (3).

3. The charging case according to claim 2, wherein, The lower shell (3) is provided with a mounting groove (31), and the rotating shaft (4) is provided in the mounting groove (31); the lower end of the rotating component (5) is provided with a fixing groove (51); one end of the torsion spring (6) abuts against the side wall of the mounting groove (31), and the other end of the torsion spring (6) is fixedly installed in the fixing groove (51).

4. The charging case according to claim 3, wherein, The mounting groove (31) is provided with a stepped structure (32), which matches the lower end of the rotating part (5).

5. The charging case according to claim 1, wherein, The upper end of the rotating component (5) is provided with a plurality of balls (52), each of the plurality of balls (52) being matched with the guide groove (21) to be rolled in the guide groove (21).

6. The charging case according to claim 5, wherein, The rotating component (5) includes: a rotating part (53) rotatably disposed on the rotating shaft (4); a sliding part (54) located at the upper end of the rotating part (53); and a mounting part (55) disposed on the sliding part (54), wherein a plurality of the balls (52) are provided on the mounting part (55).

7. The charging case according to claim 6, wherein, The mounting part (55) is provided with a plurality of mounting holes (551), and a plurality of the ball bearings (52) are provided in the plurality of mounting holes (551); the sliding part (54) is provided with a clearance groove (541), and the clearance groove (541) matches each of the plurality of ball bearings (52).

8. The charging case according to claim 1, wherein, The charging case further includes: a first magnet (7) disposed on the lower shell (3) and located near the rotating member (5); a second magnet (8) disposed at the first position of the upper cover (1) and attracting the first magnet (7) when the rotating member (5) is in the first position of the upper cover (1); and a third magnet (9) disposed at the second position of the upper cover (1) and attracting the first magnet (7) when the rotating member (5) is in the second position of the upper cover (1).

9. A headphone kit, comprising: The charging box as described in any one of claims 1 to 8; And the earphones (B) are housed within the charging case.