Anti-toppling TWS earphone charging box

Abstract

The utility model discloses an anti-toppling TWS earphone charging box which comprises a box body and a charging assembly, the box body comprises a balancing weight, an upper half egg-shaped shell, a lower half egg-shaped shell, a lower inner shell and an upper inner shell, and the balancing weight and the charging assembly are located at the bottom of an inner cavity of the lower half egg-shaped shell. The upper half egg-shaped shell can be turned over to be covered with the lower half egg-shaped shell to form a complete egg shape. The earphone box is reasonable in structural design, the upper half egg-shaped shell and the lower half egg-shaped shell are connected through the hinge shaft, the upper half egg-shaped shell can be overturned to be opened or closed, the earphone is convenient to take and place, a complete egg-shaped structural design is formed, the balancing weight is arranged at the bottom, the gravity center is low and stable, and the earphone box can be automatically overturned and straightened to be in a vertical state when placed at any angle and can be conveniently placed on a table top. Problems of earphone displacement and poor charging contact caused by toppling of the charging box are effectively avoided, and the charging effect is ensured. In addition, the overall shape is novel and round, and the uniqueness and attractiveness of the product are improved.

Description

Technical Field

[0001] This utility model relates to the field of headphone charging case technology, specifically to an anti-tipping TWS headphone charging case. Background Technology

[0002] Bluetooth earphones need to be charged after a period of use. The Bluetooth earphone charging case is a portable power bank that is very convenient to use. When charging, simply put the Bluetooth earphones into the corresponding earphone slots. It can also store the Bluetooth earphones well and prevent them from being lost.

[0003] Currently, most Bluetooth earphone charging cases consist of a body and a lid, and are generally designed with a square shape. To address this, utility model patent CN114374908A, entitled "A Charging Case," discloses a charging case including a body, a lid, a battery, a charging component, and a circuit component. The body has a product compartment for holding the earphones, and the lid is foldable at the opening. The battery is located inside the body, and the bottom of the body is curved with a counterweight. While this design allows the earphones to stand upright, the lid is cylindrical with a flat top, making it difficult for the case to automatically return to its original position when inverted or tilted. This can lead to the earphones shifting, poor contact at the charging port, and ultimately, reduced charging performance. Utility Model Content

[0004] To address the aforementioned shortcomings, the purpose of this utility model is to provide a TWS earphone charging case with a reasonable structural design that facilitates easy placement and removal of earphones and prevents tipping.

[0005] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0006] A tilt-resistant TWS earphone charging case includes a case body and a charging assembly. The case body includes a counterweight, an upper egg-shaped shell, a lower egg-shaped shell, a lower inner shell, and an upper inner shell. The counterweight and the charging assembly are located at the bottom of the inner cavity of the lower egg-shaped shell. The lower inner shell is disposed on the inner opening of the lower egg-shaped shell and has a charging cavity adapted to the shape of the earphones to be charged. The upper inner shell is disposed on the inner opening of the upper egg-shaped shell and has a flip arm. The end of the flip arm is hinged to the lower inner shell through a hinge shaft. The upper egg-shaped shell flips open around the hinge shaft to expose the charging cavity or flips open to cover the lower egg-shaped shell to form a complete egg shape.

[0007] In a preferred embodiment of this invention, the contour line of the mating surface between the upper and lower egg-shaped shells is in the shape of regular or irregular egg crack lines. This increases the product's uniqueness and aesthetics, making the charging case more visually appealing and meeting consumers' demand for personalized products.

[0008] In a preferred embodiment of this invention, the outer wall of the lower inner shell is provided with a hook lug, and the inner wall of the lower oval shell is provided with a latch that matches the hook lug. This ensures the stable installation of the lower inner shell within the lower oval shell, preventing the lower inner shell from loosening due to shaking or movement during use, and improving the overall structural stability of the product.

[0009] In a preferred embodiment of this invention, the inner wall of the lower oval shell is provided with support bars to support the lower inner shell, and the lower inner shell has a locking slot corresponding to the position of the support bars. The support bars provide support for the lower inner shell, and the locking slots on the lower inner shell cooperate with the support bars to further enhance the installation firmness of the lower inner shell.

[0010] In a preferred embodiment of this invention, the charging assembly includes a charging circuit board, a charging interface, earphone contacts, and an indicator light. The charging interface and indicator light are soldered to the lower surface of the charging circuit board for easy insertion of the charging cable connector and display of the charging status. The earphone contacts are soldered to the upper surface of the charging circuit board at the bottom position of the charging cavity. The bottom of the charging cavity has an opening for the earphone contacts to extend into, ensuring precise contact with the earphone contacts and guaranteeing good charging performance. A charging opening is provided at the center of the bottom surface of the lower oval shell to expose the charging interface.

[0011] In a preferred embodiment of this invention, the charging circuit board has mounting holes, and the lower inner shell has downwardly extending mounting posts corresponding to the mounting holes. The mounting posts have screw holes, and screws pass through the mounting holes and are screwed into the screw holes to fix the charging circuit board onto the mounting posts. This installation is secure and reliable, facilitating the installation and removal of the charging circuit board, and also aiding in subsequent maintenance or replacement.

[0012] As a preferred embodiment of this utility model, the outer wall of the mounting column is provided with a reinforcing plate extending in its radial direction. The reinforcing plate can enhance the structural strength of the mounting column. The edge of the reinforcing plate is provided with a positioning post. The charging circuit board is provided with a positioning hole that matches the positioning post. By cooperating with the positioning post and the positioning hole, the accuracy and stability of the charging circuit board during installation can be ensured, avoiding the offset or loosening of the charging circuit board during use, and improving the quality and reliability of the product.

[0013] In a preferred embodiment of this invention, the counterweight is fixed to the lower half of the egg-shaped shell with screws, ensuring a secure installation and effectively lowering the center of gravity of the entire charging box, thus enhancing its anti-tipping performance. The counterweight has a through-hole for the charging interface to pass through, allowing it to pass smoothly without affecting its normal use, while maintaining the compactness of the product's internal structure.

[0014] As a preferred embodiment of this utility model, the lower inner shell is provided with a hinge recess at its edge, and the two side walls of the hinge recess are provided with shaft holes that are compatible with the hinge shaft, so as to ensure the smoothness and stability of the upper half of the egg-shaped shell when it is flipped, and make the opening and closing between the upper half of the egg-shaped shell and the lower half of the egg-shaped shell more flexible and reliable, without any jamming or loosening, thus improving the user experience.

[0015] As a preferred embodiment of this utility model, a lanyard hole is provided at the top center of the upper egg-shaped shell. This allows users to easily attach a lanyard, making it convenient to carry the charging case and preventing the inability to charge the earphones due to forgetting or losing the charging case. It also adds to the portability and practicality of the product.

[0016] The beneficial effects of this utility model are as follows: The utility model has a reasonable structural design, adopting an egg-shaped structure with a counterweight at the bottom, resulting in a low and stable center of gravity. It automatically flips and straightens to an upright position regardless of the angle at which it is placed, making it easy to place on a table. This effectively prevents the earphones from shifting and causing poor charging contact due to the charging case tipping over, ensuring effective charging. The upper and lower egg-shaped shells are connected by a hinge shaft, allowing the upper shell to be flipped open or closed for easy placement and removal of the earphones. The complete egg shape facilitates carrying and storage. Furthermore, the overall design is novel and rounded, increasing the product's uniqueness and aesthetic appeal.

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0019] Figure 2 This is a schematic diagram of the opened structure of this utility model.

[0020] Figure 3 This is a structural diagram showing the disassembled structure of this utility model.

[0021] Figure 4 This is a schematic diagram of the lower half of the egg-shaped shell in this utility model.

[0022] Figure 5 This is a schematic diagram of the structure of this utility model when the earphone is inserted. Detailed Implementation

[0023] Example: See Figures 1 to 5 This embodiment provides an anti-tipping TWS earphone charging case, which includes a case body and a charging component. The case body includes a counterweight 1, an upper egg-shaped shell 2, a lower egg-shaped shell 3, a lower inner shell 4, and an upper inner shell 5.

[0024] The counterweight 1 and the charging assembly are located at the bottom of the inner cavity of the lower oval shell 3. The lower inner shell 4 is disposed on the inner cavity opening of the lower oval shell 3 and has a charging cavity 43 adapted to the shape of the earphone to be charged. Specifically, a hook 41 is provided on the outer side wall of the lower inner shell 4, and a latch 31 adapted to the hook 41 is provided on the inner wall of the lower oval shell 3. This ensures the stable installation of the lower inner shell 4 within the lower oval shell 3 and prevents the lower inner shell 4 from loosening due to shaking or movement during use, thereby improving the overall structural stability of the product. A support bar 32 is provided on the inner wall of the lower oval shell 3 to support the lower inner shell 4, and a latch 42 is provided on the lower inner shell 4 corresponding to the position of the support bar 32. The support bar 32 provides support for the lower inner shell 4, and the latch 42 on the lower inner shell 4 cooperates with the support bar 32 to further enhance the installation firmness of the lower inner shell 4.

[0025] Specifically, the charging assembly includes a charging circuit board 6, a charging interface 7, earphone contacts 8, and an indicator light 9. The charging interface 7 and indicator light 9 are soldered to the lower surface of the charging circuit board 6 for easy insertion of the charging cable connector and display of the charging status. The earphone contacts 8 are soldered to the upper surface of the charging circuit board 6 at the bottom position of the charging cavity 43. The bottom of the charging cavity 43 has an opening 431 for the earphone contacts 8 to extend into, ensuring precise contact with the earphone contacts and good charging performance. The lower half of the egg-shaped shell 3 has a charging opening 33 at the center of its bottom surface, exposing the charging interface 7. The charging circuit board 6 has a mounting hole 61, and the lower inner shell 4 has a downwardly extending mounting post 44 corresponding to the mounting hole 61. The mounting post 44 has a screw hole, and a screw passes through the mounting hole 61 and is screwed into the screw hole to fix the charging circuit board 6 onto the mounting post 44. The installation is firm and reliable, facilitating the installation and removal of the charging circuit board 6, and also facilitating subsequent maintenance or replacement. A reinforcing plate 45 extending radially is provided on the outer wall of the mounting post 44. The reinforcing plate 45 can enhance the structural strength of the mounting post 44. The edge of the reinforcing plate 45 is provided with a positioning post 46. The charging circuit board 6 is provided with a positioning hole 61 that matches the positioning post 46. By cooperating with the positioning post 46 and the positioning hole 61, the accuracy and stability of the charging circuit board 6 during installation can be ensured, avoiding the displacement or loosening of the charging circuit board 6 during use, and improving the quality and reliability of the product.

[0026] The counterweight 1 is fixed to the lower half of the egg-shaped shell 3 with screws, ensuring a secure installation and effectively lowering the center of gravity of the entire charging box, thus enhancing its anti-tipping performance. The counterweight 1 has a through-hole for the charging interface 7 to pass through, allowing the charging interface 7 to pass through smoothly without affecting its normal use, while also ensuring the compactness of the product's internal structure.

[0027] The upper inner shell 5 is disposed on the inner cavity opening of the upper oval shell 2 and is provided with a flipping arm. The end of the flipping arm is hinged to the lower inner shell 4 through a hinge shaft. Specifically, a hinge recess is provided at the edge of the lower inner shell 4, and shaft holes adapted to the hinge shaft are provided on the two side walls of the hinge recess to ensure the smoothness and stability of the upper oval shell 2 when flipping, making the opening and closing between the upper oval shell 2 and the lower oval shell 3 more flexible and reliable, without any jamming or loosening, thus improving the user experience.

[0028] The upper egg-shaped shell 2 flips open around the hinge axis to expose the charging cavity 43, or flips open to cover the lower egg-shaped shell 3, forming a complete egg shape. Preferably, the contour line of the covering surface between the upper egg-shaped shell 2 and the lower egg-shaped shell 3 is in the shape of regular or irregular egg crack lines. The egg crack lines can be wavy or serrated, which can increase the uniqueness and aesthetics of the product, making the charging case more attractive in appearance and meeting consumers' demand for personalized products.

[0029] For easy carrying, a lanyard hole 10 is provided at the top center of the upper egg-shaped shell 2. This allows users to easily attach a lanyard and carry the charging case, preventing the inability to charge the earphones due to forgetting or losing the charging case. It also adds to the portability and practicality of the product.

[0030] When charging is required, please refer to Figure 5 The upper half of the egg-shaped shell 2 can be flipped open for easy access to the earphones 20. When closed, it forms a complete egg shape. Moreover, due to the counterweight 1 at the bottom, the center of gravity is low and stable. It will automatically flip and straighten to an upright position regardless of the angle of placement, effectively avoiding the problem of earphone displacement and poor charging contact caused by the charging case tipping over, resulting in good charging performance.

[0031] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to this utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model. As described in the above embodiments of this utility model, charging boxes with other structures obtained using the same or similar structures are all within the protection scope of this utility model.

Claims

1. A tilt-resistant TWS earphone charging case, comprising a case body and a charging assembly, characterized in that, The box body includes a counterweight, an upper egg-shaped shell, a lower egg-shaped shell, a lower inner shell, and an upper inner shell. The counterweight and charging assembly are located at the bottom of the inner cavity of the lower egg-shaped shell. The lower inner shell is disposed on the inner cavity opening of the lower egg-shaped shell and has a charging cavity adapted to the shape of the earphone to be charged. The upper inner shell is disposed on the inner cavity opening of the upper egg-shaped shell and has a flip arm. The end of the flip arm is hinged to the lower inner shell through a hinge shaft. The upper egg-shaped shell flips open around the hinge shaft to expose the charging cavity or flips to cover the lower egg-shaped shell to form a complete egg shape.

2. The anti-tipping TWS earphone charging case according to claim 1, characterized in that, The outline of the mating surface between the upper and lower egg-shaped shells is in the shape of regular or irregular egg crack lines.

3. The anti-tipping TWS earphone charging case according to claim 1, characterized in that, The outer wall of the lower inner shell is provided with a hook lug, and the inner wall of the lower oval shell is provided with a hook that matches the hook lug.

4. The anti-tipping TWS earphone charging case according to claim 1, characterized in that, The inner wall of the lower half of the egg-shaped shell is provided with support bars to support the lower inner shell, and the lower inner shell is provided with a locking slot corresponding to the position of the support bars.

5. The anti-tipping TWS earphone charging case according to claim 1, characterized in that, The charging assembly includes a charging circuit board, a charging interface, earphone contacts, and an indicator light. The charging interface and indicator light are soldered to the lower surface of the charging circuit board. The earphone contacts are soldered to the upper surface of the charging circuit board at the bottom position of the charging cavity. The bottom of the charging cavity has an opening for the earphone contacts to extend into it. The center of the bottom surface of the lower half of the egg-shaped shell has a charging opening for the charging interface to be exposed.

6. The anti-tipping TWS earphone charging case according to claim 5, characterized in that, The charging circuit board has mounting holes, and the lower inner shell has a downwardly extending mounting post corresponding to the mounting holes. The mounting post has a screw hole, and a screw passes through the mounting hole and is screwed into the screw hole to fix the charging circuit board on the mounting post.

7. The anti-tipping TWS earphone charging case according to claim 6, characterized in that, The outer wall of the mounting post is provided with a reinforcing plate extending in its radial direction, and the edge of the reinforcing plate is provided with a positioning post. The charging circuit board is provided with a positioning hole that matches the positioning post.

8. The anti-tipping TWS earphone charging case according to claim 5, characterized in that, The counterweight is fixed to the lower half of the egg-shaped shell by screws, and the counterweight is provided with a through-hole for the charging interface to pass through.

9. The anti-tipping TWS earphone charging case according to claim 1, characterized in that, The lower inner shell has a hinge recess at its edge, and the two side walls of the hinge recess have shaft holes that are adapted to the hinge shaft.

10. The anti-tipping TWS earphone charging case according to claim 1, characterized in that, A rope hole is provided at the top center of the upper half of the egg-shaped shell.

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