A charging case of a deformable earphone
Patent Information
- Application Number
- CN202521614532.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-30
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-07-30
AI Technical Summary
[0019]本实用新型实施例通过垂直方向重叠排布第一凹槽(耳挂式)、第二凹槽(入耳式或半入耳式),显著压缩充电盒厚度,解决多形态耳机共存时体积过大的核心问题,实现空间利用率最大化;分设专用凹槽结构,首次实现单充电盒同时适配三种主流耳机形态(耳挂式/入耳式/半入耳式),满足用户场景切换需求。
Smart Images

Figure CN224790763U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of headphone technology, and in particular to a charging case for a convertible headphone. Background Technology
[0002] The current headphone market offers various headphone types (such as over-ear, ear-hook, and in-ear), requiring users to switch between them for different scenarios. However, traditional headphone charging cases only support one type of headphone. If users need to carry multiple types of headphones, they must use multiple charging cases simultaneously, resulting in bulky size and poor portability. While modular headphone designs exist (such as CN202311603359), they haven't solved the integration and storage problem of the charging case—the number of charging slots and the structure of the storage compartment cannot simultaneously accommodate both in-ear and ear-hook headphones, and the spatial arrangement of different headphones within the charging case is not optimized, leading to overall bulkiness. Utility Model Content
[0003] The technical problem to be solved by this utility model is to provide a charging case for a variable-form earphone. Through the vertically overlapping groove structure, it can be compatible with three earphone forms while reducing the thickness of the charging case, thus solving the problem of volume redundancy when carrying multiple earphones.
[0004] To address the aforementioned technical problems, this utility model discloses a charging case for a shape-shifting earphone, comprising:
[0005] The upper shell assembly has a first groove on its inner side for placing at least one ear hook-type earphone; the bottom surface of the ear hook-type earphone abuts against the first groove.
[0006] The lower shell assembly has a second groove on both sides of its inner side for placing an in-ear or semi-in-ear headphone, and a third groove for accommodating the front part of an ear hook headphone.
[0007] Connector, electrically connecting the upper shell assembly and the lower shell assembly;
[0008] The first groove overlaps with the second and third grooves in the vertical direction.
[0009] As an optional implementation, the lower shell assembly also has a fourth groove on the middle of its inner side for accommodating the tail of the ear-hook earphone.
[0010] As another optional implementation, the upper shell assembly has an upper cavity, and a first charging pin is provided in the upper cavity. The bottom of the first groove has a first through hole for the first charging pin to be exposed in the upper cavity.
[0011] As another alternative implementation, the first groove can simultaneously accommodate both the left and right ear hook headphones, with their tails overlapping when placed.
[0012] As another optional implementation, the lower shell assembly has a lower cavity, in which a second charging pin and a third charging pin are provided. The bottom of the second groove has a second through hole for the second charging pin to be exposed in the lower cavity, and the bottom of the third groove has a third through hole for the third charging pin to be exposed in the lower cavity.
[0013] As another optional implementation, a power module is provided inside the lower cavity.
[0014] As another optional implementation, a PCB circuit board is provided inside the lower cavity.
[0015] As another optional implementation, the connector is provided with electronic wires that electrically connect the upper shell assembly and the lower shell assembly.
[0016] As another alternative implementation, the first charging pin is a spring pin structure, and the portion of it exposed above the first through hole is a movable pin tip.
[0017] As another optional implementation, both the upper shell assembly and the lower shell assembly have built-in magnetic modules for closing the charging case.
[0018] Compared with the prior art, the embodiments of this utility model have the following beneficial effects:
[0019] This utility model embodiment significantly reduces the thickness of the charging case by vertically overlapping the first groove (ear hook type) and the second groove (in-ear type or semi-in-ear type), solving the core problem of excessive volume when multiple types of headphones coexist, and maximizing space utilization; the separate dedicated groove structure enables a single charging case to simultaneously adapt to three mainstream headphone types (ear hook type / in-ear type / semi-in-ear type) for the first time, meeting the user's needs for switching between scenarios. Attached Figure Description
[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0021] Figure 1 This is a schematic diagram of the structure of a charging case for a variable-form earphone disclosed in an embodiment of the present utility model;
[0022] Figure 2 This is a schematic diagram of the structure of the upper shell assembly of a charging box disclosed in an embodiment of the present utility model;
[0023] Figure 3 This is a schematic diagram of the structure of the upper shell assembly of an ear-hook type earphone disclosed in an embodiment of the present utility model;
[0024] Figure 4 This is a schematic diagram of the structure of the lower shell assembly of a charging box disclosed in an embodiment of the present utility model;
[0025] Figure 5 This is a schematic diagram of the structure of a lower shell assembly for an in-ear headphone and an ear-hook headphone, as disclosed in an embodiment of this utility model. Detailed Implementation
[0026] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0027] See Figures 1-5 This utility model discloses a charging case for a variable-form earphone, comprising:
[0028] The upper shell assembly 1 has a first groove 11 on its inner side for placing at least one ear hook earphone A; the bottom surface of the ear hook earphone A abuts against the first groove.
[0029] The lower shell assembly 2 has a second groove 21 on both sides of its inner side for placing an in-ear headphone B or a semi-in-ear headphone (in the attached figure, the in-ear headphone B is a semi-in-ear headphone when the earplug is removed), and a third groove 22 for accommodating the front part of the ear hook headphone A.
[0030] Connector 3 electrically connects the upper shell assembly 1 and the lower shell assembly 2;
[0031] The first groove 11, the second groove 21, and the third groove 22 are arranged in an overlapping manner in the vertical direction.
[0032] This utility model embodiment significantly reduces the thickness of the charging case by vertically overlapping the first groove 11 (ear hook type) and the second groove 21 (in-ear type or semi-in-ear type), solving the core problem of excessive volume when multiple types of headphones coexist, and maximizing space utilization; the separate dedicated groove structure enables a single charging case to simultaneously adapt to three mainstream headphone types (ear hook type / in-ear type / semi-in-ear type) for the first time, meeting the user's needs for switching between scenarios.
[0033] In an optional embodiment, the lower shell assembly 2 is further provided with a fourth groove 25 on the middle of the inner side for accommodating the tail of the ear-hook earphone A.
[0034] In another optional embodiment, the upper shell assembly 1 has an upper cavity, and a first charging pin 12 is provided in the upper cavity. The bottom of the first groove 11 has a first through hole 13 for exposing the first charging pin 12 to the upper cavity. Exposing the first charging pin 12 (spring pin structure) through the first through hole 13 ensures precise contact with the charging point of the ear hook-type headphones, avoiding charging interruption caused by displacement (the pin's mobility adapts to the headphone placement tolerance).
[0035] In yet another alternative embodiment, see Figure 3 The first groove 11 can simultaneously accommodate both a left ear hook earphone and a right ear hook earphone, and the tails of the left and right ear hook earphones overlap when placed. Placing the tails of the left and right ear hook earphones overlapping, compared to placing them parallel, can shorten the length of the first groove 11 and reduce the size of the upper shell assembly 1.
[0036] In another optional embodiment, the lower shell assembly 2 is provided with a lower cavity, and a second charging pin 23 and a third charging pin (not shown in the figure) are provided in the lower cavity. The bottom of the second groove 21 is provided with a second through hole 24 for the second charging pin 23 to be exposed in the lower cavity, and the bottom of the third groove 22 is provided with a third through hole (not shown in the figure) for the third charging pin to be exposed in the lower cavity.
[0037] In yet another optional embodiment, a power module is provided within the lower cavity.
[0038] In yet another alternative embodiment, a PCB circuit board is provided within the lower cavity.
[0039] In another optional embodiment, the connector 3 incorporates an electronic wire that electrically connects the upper shell assembly 1 and the lower shell assembly 2. The built-in electronic wire in the connector 3 directly connects to the upper and lower shell assemblies 2, avoiding wireless signal attenuation and ensuring real-time synchronization of charging control commands.
[0040] In another alternative embodiment, the first charging pin 12 is a spring pin structure, and the portion of it exposed above the first through hole is a movable pin tip.
[0041] In another optional embodiment, both the upper shell assembly 1 and the lower shell assembly 2 have built-in magnetic modules for closing the charging case.
[0042] The contents disclosed in this utility model embodiment are merely preferred embodiments of this utility model and are only used to illustrate the technical solutions of this utility model, not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of this utility model.
Claims
1. A charging case for a convertible earphone, characterized in that, include: The upper shell assembly has a first groove on its inner side for placing at least one ear hook-type earphone; the bottom surface of the ear hook-type earphone abuts against the first groove. The lower shell assembly has a second groove on both sides of its inner side for placing an in-ear or semi-in-ear headphone, and a third groove for accommodating the front part of an ear hook headphone. Connector, electrically connecting the upper shell assembly and the lower shell assembly; The first groove overlaps with the second and third grooves in the vertical direction.
2. The charging case according to claim 1, characterized in that, The lower shell assembly also has a fourth groove on the middle of its inner side surface for accommodating the tail of the ear-hook earphone.
3. The charging case according to claim 1, characterized in that, The upper shell assembly has an upper cavity, and a first charging pin is provided in the upper cavity. The bottom of the first groove has a first through hole for the first charging pin to be exposed in the upper cavity.
4. The charging case according to claim 1, characterized in that, The first groove can accommodate both the left and right ear hook headphones simultaneously, and the tails of the left and right ear hook headphones overlap when placed.
5. The charging case according to claim 1, characterized in that, The lower shell assembly has a lower cavity, and a second charging pin and a third charging pin are provided in the lower cavity. The bottom of the second groove has a second through hole for the second charging pin to be exposed in the lower cavity, and the bottom of the third groove has a third through hole for the third charging pin to be exposed in the lower cavity.
6. The charging case according to claim 5, characterized in that, A power module is installed inside the lower cavity.
7. The charging case according to claim 5, characterized in that, A PCB circuit board is installed inside the lower cavity.
8. The charging case according to claim 1, characterized in that, The connector contains electronic wires that electrically connect the upper shell assembly and the lower shell assembly.
9. The charging case according to claim 3, characterized in that, The first charging pin is a spring pin structure, and the part of it exposed above the first through hole is a movable pin tip.
10. The charging case according to claim 1, characterized in that, Both the upper shell assembly and the lower shell assembly have built-in magnetic modules for closing the charging case.
Citation Information
Patent Citations
Modularized shell-changing earphone
CN117750263A