CN215499536U

CN215499536U - Earphone box and earphone set

Info

Publication number: CN215499536U
Application number: CN202122357812.XU
Authority: CN
Inventors: 王志伟
Original assignee: Weifang Goertek Electronics Co Ltd
Current assignee: Weifang Goertek Electronics Co Ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-01-11
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses an earphone box and an earphone set, wherein the earphone box is used for accommodating earphones, each earphone is provided with an ear handle, the earphone box comprises a box body and a positioning assembly, and the box body is provided with a handle groove capable of accommodating the ear handle; the locating component comprises a charging contact piece and a balancing buffer piece which are arranged in the handle groove, the charging contact piece is used for charging the earphone, a limiting space is formed between the charging contact piece and the balancing buffer piece, and the limiting space is used for accommodating and limiting the ear handle so that the ear handle is elastically abutted against the charging contact piece and the balancing buffer piece. The earphone box provided by the utility model can realize reliable positioning and charging of earphones.

Description

Earphone box and earphone set

Technical Field

The utility model relates to the technical field of Bluetooth earphones, in particular to an earphone box and an earphone set.

Background

True wireless bluetooth headset obtains the wide use because of its portable characteristic, and true wireless bluetooth headset generally disposes the box that charges, and the box that charges is used for charging for the earphone in order to promote the continuation of the journey of earphone.

In the related art, a metal contact for charging is provided at the bottom end of the ear stem of the earphone, a containing groove capable of containing the ear stem of the earphone is provided in the earphone box, an electrode pin is provided at the bottom wall of the containing groove, and the earphone is charged when the electrode pin is in contact with the metal contact. When the earphone ear handle is inserted into the accommodating groove, because a certain spacing space generally exists between the side wall of the accommodating groove and the outer wall of the ear handle, when the electrode pin is contacted with the metal contact of the ear handle, the electrode pin is easy to push the ear handle of the earphone to enable the ear handle to move laterally in the accommodating groove, so that the electrode pin and the metal contact are possibly in poor contact, and the normal charging of the earphone is influenced; meanwhile, the ear handle is easy to rub the side wall of the containing groove when the ear handle is laterally moved in the containing cavity, so that the ear handle is scraped and damaged, and the appearance of the earphone is affected.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an earphone box, aiming at improving the reliability of charging earphones.

In order to achieve the above object, the present invention provides an earphone box for accommodating an earphone, the earphone having an ear stem, the earphone box comprising:

the box body is provided with a handle groove which can contain the ear handle; and

the locating component, the locating component is including locating charge contact piece and balanced bolster in the handle inslot, the contact piece that charges is used for giving the earphone charges, charge the contact piece with be formed with spacing space between the balanced bolster, spacing space is used for the holding and spacing the ear handle, so that the ear handle with charge the contact piece with balanced bolster elastic butt.

In an embodiment of the present invention, the balanced buffer includes:

the first supporting part is arranged in the handle groove and matched with the charging contact part to form the limiting space, and the first supporting part is provided with a position avoiding opening; and

the first elastic part is arranged on the inner wall of the position avoiding opening and is used for being elastically abutted against the ear handle.

In an embodiment of the utility model, the balanced buffer further includes a buffer portion, the buffer portion is disposed on the first elastic portion, and at least a part of the buffer portion is located on a side of the first elastic portion facing the charging contact.

In an embodiment of the utility model, the buffer portion is provided with an assembling groove, and the first elastic portion is inserted into the assembling groove.

In an embodiment of the utility model, a limit convex portion is disposed on a side of the first elastic portion facing the charging contact, a limit groove corresponding to the limit convex portion is disposed on a side wall of the assembly groove, and when the first elastic portion is inserted into the assembly groove, the limit convex portion is limited in the limit groove.

In an embodiment of the present invention, an elastic protrusion is disposed on a side of the buffer portion facing the charging contact.

In an embodiment of the present invention, the charging contact includes two electrode clips, each of the electrode clips includes:

the second supporting parts are arranged in the handle grooves, and the two second supporting parts are matched with the balance buffer part to form the limiting space;

the second elastic part is connected with the second supporting part and is partially positioned in the limiting space; the second elastic part is used for elastically abutting against the ear handle.

In an embodiment of the present invention, the earphone box further includes a circuit board;

the circuit board is arranged in the handle groove, the charging contact piece and the balance buffer piece are arranged on the circuit board at intervals, and the charging contact piece is electrically connected with the circuit board.

In an embodiment of the present invention, the circuit board is provided with a first jack, and a part of the structure of the charging contact is inserted into the first jack;

and/or the circuit board is provided with a second jack, and part of the structure of the balance buffer part is inserted into the second jack.

In addition, the present invention also provides a headset set, which includes:

the earphone box is described above; and

the earphone, the earphone has the ear handle, the lateral wall of ear handle is equipped with the metal contact, the ear handle spacing in the spacing space of earphone box, the metal contact with the touching piece elasticity butt that charges of earphone box, the ear handle dorsad one side of metal contact with the balanced bolster elasticity butt of earphone box.

According to the technical scheme, the charging contact part and the balance buffer part in the handle groove are arranged at intervals, and a limit space is formed between the charging contact part and the balance buffer part, when the ear handle of the earphone is placed into the handle groove for charging, the ear handle is limited in the limit space, meanwhile, the charging contact part can be elastically abutted with a charging structure such as a metal contact on the ear handle, the charging function of the earphone is realized, and one side of the ear handle, which is back to the charging contact part, is elastically abutted with the balance buffer part. Therefore, the charging contact piece and the balance buffer piece are matched to clamp and position the lug, and under the action of elastic extrusion force of the charging contact piece and the balance buffer piece, on one hand, the lug can be reliably positioned in the lug groove and is not easy to laterally move, and the charging reliability of the lug is improved; on the other hand, the ear handle can be prevented from being scraped due to friction with the side wall of the handle groove when the ear handle is laterally moved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of the earphone set of the present invention;

fig. 2 is a state view of the earphone set of fig. 1 with the positioning member fitted in the handle groove;

FIG. 3 is a schematic diagram of the positioning assembly and circuit board of FIG. 1;

fig. 4 is a schematic structural diagram of the earphone, the positioning assembly and the circuit board in fig. 1.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. The meaning of "and/or" appearing throughout is to include three scenarios side-by-side, exemplified by "A and/or B," including either the A scenario, or the B scenario, or both A and B scenarios. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an earphone box, as shown in fig. 1, the earphone box is used for accommodating an earphone 4, the earphone 4 is provided with an ear handle 41, the earphone box comprises a box body 1 and a positioning component 2, and the box body 1 is provided with a handle groove 1a capable of accommodating the ear handle 41; the positioning assembly 2 comprises a charging contact piece 21 and a balance buffer piece 22 which are arranged in the handle groove 1a, the charging contact piece 21 is used for charging the earphone 4, a limiting space 2a is formed between the charging contact piece 21 and the balance buffer piece 22, and the limiting space 2a is used for accommodating and limiting the ear handle 41, so that the ear handle 41 is elastically abutted against the charging contact piece 21 and the balance buffer piece 22.

In this embodiment, the earphone 4 is a wireless earphone 4, such as a bluetooth earphone 4, the earphone 4 includes an ear handle 41 for being inserted into an ear of a person and being at least partially exposed out of the ear of the person when in use, generally, a sound generating module such as a speaker is disposed in the ear, and a circuit module for driving the sound generating unit to generate sound and an electric storage module for supplying power to the circuit module are disposed in the ear handle 41.

The earphone box is used for holding earphone 4 and charging for earphone 4, is provided with power module in the earphone box, and this power module accessible external power supply charges and the electric power storage, is provided with metal contact 42 on 4 earphones's ear handle 41, and when the ear handle 41 was put into handle groove 1a, metal contact 42 on the ear handle 41 will contact with the touching piece 21 that charges, and power module charges to the electric power storage module in earphone 4 through touching piece 21 and metal contact 42 that charges to promote the duration of a journey ability of earphone 4.

The positioning assembly 2 is used for positioning the lug 41, and the positioning assembly 2 comprises a charging contact 21 and a balance buffer member 22, wherein the charging contact 21 is used for being in elastic abutting fit with a charging structure such as a metal contact 42 on the lug 41, and the balance buffer member 22 is used for being in elastic abutting fit with one side of the lug 41, which faces away from the charging contact 21. As shown in fig. 2, the charging contact 21 and the balancing buffer 22 may be fixed to a sidewall of the shank slot 1a by means of insertion, clamping, or the like, the charging contact 21 and the balancing buffer 22 are arranged at an interval, and a certain interval region is formed between the charging contact 21 and the balancing buffer 22, and the interval region is the limiting space 2 a. When the ear handle 41 of the earphone 4 is inserted into the handle slot 1a, the ear handle 41 moves downwards along the side wall of the handle slot 1a and enters the limiting space 2a between the charging contact piece 21 and the balancing buffer piece 22, the charging structure on the ear handle 41 elastically abuts against the charging contact piece 21, and one side of the ear handle 41, which is opposite to the charging contact piece 21, elastically abuts against the balancing buffer piece 22, so that the charging contact piece 21 and the balancing buffer piece 22 are matched to clamp and position the ear handle 41, and under the action of the elastic extrusion force of the charging contact piece 21 and the balancing buffer piece 22, on one hand, the ear handle 41 can be reliably positioned in the handle slot 1a and is not easy to move laterally, and the charging reliability of the ear handle 41 is improved; on the other hand, the lug 41 can be prevented from being scraped by rubbing against the side wall of the lug groove 1a when being laterally moved.

The charging contact 21 is a conductive structure with elasticity for charging the earphone 4, and includes, but is not limited to, a conductive metal spring piece and a conductive metal spring pin; the counterbalancing bumpers 22 are resilient cushioning structures for cushioning lateral movement of the ear stems 41, including but not limited to silicone cushioning pads. When the ear handle 41 is located in the spacing space 2a, the charging structure on the ear handle 41 will abut against the charging contact 21 and the balancing buffer 22, if the pressing force exerted by the charging contact 21 on the charging structure on the ear handle 41 changes due to human factors or environmental factors, the ear handle 41 has the tendency of lateral movement, the ear handle 41 will press the balance buffer member 22, so that the balance buffer member 22 is deformed and applies elastic acting force to the ear handle 41, the ear handle 41 is stressed in balance to maintain the original posture of the ear handle 41, the charging structure on the ear handle 41 is kept in reliable contact with the charging contact member 21, the condition that the charging structure on the ear handle 41 is in poor contact with the charging contact member 21 is avoided, at the same time, the charging contact 21 can also be designed to have a sufficiently large surface area to provide a sufficiently large contact surface between the charging contact 21 and the charging structure on the ear 41 to ensure good contact between the charging structure on the ear 41 and the charging contact 21.

In an embodiment of the present invention, as shown in fig. 1 and 3, the balanced buffer 22 includes a first supporting portion 221 and a first elastic portion 222; the first supporting part 221 is arranged in the handle groove 1a and is matched with the charging contact piece 21 to form a limiting space 2a, and the first supporting part 221 is provided with a position avoiding opening 22 a; the first elastic portion 222 is provided on the inner wall of the escape opening 22a and is elastically abutted against the ear stem 41.

In this embodiment, the first supporting portion 221 may be fixed to the sidewall of the handle slot 1a by bonding, inserting, or clipping, and the first supporting portion 221 may be a block-shaped or a sheet-shaped structure, and may be made of metal, plastic, or the like. The first supporting portion 221 has an avoiding opening 22a, the second elastic portion 213 is disposed on the inner sidewall of the avoiding opening 22a and can be integrally formed with the first supporting portion 221, and the first elastic portion 222 can be a sheet structure made of metal, plastic, etc. The first elastic part 222 is used for being in abutting fit with the ear handle 41, when the ear handle 41 is unbalanced in stress and lateral movement occurs, the ear handle 41 pushes the first elastic part 222 to move towards the avoiding opening 22a, the first elastic part 222 deforms and applies elastic acting force to the ear handle 41 to buffer the lateral movement of the ear handle 41 and drive the ear handle 41 to reset, reliable contact between the ear handle 41 and the charging contact piece 21 is guaranteed, and reliability of charging of the earphone 4 is improved. The avoiding opening 22a can penetrate through the first supporting portion 221, so that the avoiding opening 22a can provide enough space for the elastic deformation of the first elastic portion 222.

In an embodiment of the present invention, as shown in fig. 3, the balanced buffer 22 further includes a buffer portion 223, the buffer portion 223 is disposed on the first elastic portion 222, and the buffer portion 223 is at least partially located on a side of the first elastic portion 222 facing the charging contact 21.

In the embodiment, when the ear stem 41 is inserted into the spacing space 2a, one side of the ear stem 41, which is opposite to the charging contact 21, is abutted against the buffer part 223, when the ear stem 41 moves laterally under the influence of external force, the ear stem 41 is rubbed with the buffer part 223, and the buffer part 223 is made of soft rubber materials such as silica gel and thermoplastic polyurethane elastomer rubber, so that the risk that the appearance of the earphone 4 is affected by the scraping of the surface of the ear stem 41 when the first elastic part 222 is contacted and rubbed with the ear stem 41 can be reduced; on the other hand, the ear handle 41 can be restored under the elastic action of the buffer part 223, so that the charging structure on the ear handle 41 can be ensured to be reliably contacted with the charging contact piece 21, and the charging reliability of the earphone 4 is improved.

In an embodiment of the present invention, as shown in fig. 3 and 4, the buffering portion 223 is provided with a mounting groove (not shown), and the first elastic portion 222 is inserted into the mounting groove.

In this embodiment, when the first elastic portion 222 is inserted into the assembling groove, the buffering portion 223 is sleeved on the first elastic portion 222, and the first elastic portion 222 abuts against the inner peripheral wall of the assembling groove for limiting, so that on one hand, the buffering portion 223 is not easy to move relative to the first elastic portion 222, and the assembling reliability of the buffering portion 223 and the first elastic portion 222 is improved; on the other hand, the buffer portion 223 is easily assembled and disassembled on and from the first elastic portion 222 by means of a plug-in fit.

In an embodiment of the present invention, as shown in fig. 3 and 4, a limit protrusion 224 is disposed on a side of the first elastic portion 222 facing the charging contact 21, a limit groove corresponding to the limit protrusion 224 is disposed on a side wall of the mounting groove (not shown), and when the first elastic portion 222 is inserted into the mounting groove, the limit protrusion 224 is limited in the limit groove.

In this embodiment, when the first elastic part 222 is inserted into the mounting groove, the limit protrusion 224 on the first elastic part 222 at least partially receives and limits in the limit groove of the side wall of the mounting groove, so that the limit fit between the limit protrusion 224 and the limit groove improves the tightness and reliability of the fit between the buffer 223 and the first elastic part 222, prevents the buffer 223 from moving relative to the first elastic part 222, enables the buffer 223 to reliably abut and support the side of the ear stem 41 facing away from the charging contact 21, prevents the ear stem 41 from moving laterally, and improves the charging reliability of the earphone 4.

In an embodiment of the present invention, as shown in fig. 3 and 4, a side of the buffer 223 facing the charging contact 21 is provided with an elastic protrusion 225.

In this embodiment, when the ear stem 41 is located in the spacing space 2a, the side of the ear stem 41 facing away from the charging contact 21 abuts against the elastic protrusion 225 on the buffer portion 223, and when the ear stem 41 is pressed, both the elastic protrusion 225 and the first elastic portion 222 can be elastically deformed, so that the supporting strength of the balancing buffer 22 on the ear stem 41 can be improved, and the reliability of spacing and fixing of the ear stem 41 in the spacing space 2a can be improved. One side of the elastic convex part 225, which faces away from the buffer part 223, can be provided with a circular arc-shaped arch surface, so that the elastic convex part 225 is not easy to scratch the ear stem 41, and meanwhile, the elastic convex part 225 can be sufficiently deformed when being squeezed, so that the charging structure on the ear stem 41 can be reliably contacted with the charging contact part 21, and the charging reliability of the earphone 4 is ensured.

In an embodiment of the present invention, as shown in fig. 3 and 4, the charging contact 21 includes two electrode elastic pieces 211, each electrode elastic piece 211 includes a second supporting portion 212 and a second elastic portion 213, the second supporting portion 212 is disposed in the handle slot 1a, and the two second supporting portions 212 and the balancing buffer 22 cooperate to form a limiting space 2 a; the second elastic part 213 is connected with the second supporting part 212 and is partially positioned in the spacing space 2 a; the second elastic portion 213 is elastically abutted against the ear stem 41.

In this embodiment, the two electrode elastic pieces 211 are respectively connected to the positive electrode and the negative electrode of the output end of the power module in the earphone box, so that when the charging structure on the ear handle 41 contacts with the charging contact 21, the two electrode elastic pieces 211 can form a closed loop with the power storage module in the earphone 4 through the charging structure, thereby realizing the charging of the power storage module in the earphone 4.

The second supporting portion 212 of each electrode spring 211 can be fixed to the sidewall of the handle slot 1a by means of adhesion, insertion, and clamping, the second supporting portion 212 can be a rod-shaped, block-shaped, or sheet-shaped structure, and the material of the second supporting portion 212 can be metal or metal alloy. The second elastic portion 213 and the second supporting portion 212 are integrally formed, the second elastic portion 213 may be a sheet structure, and one end of the second elastic portion 213 away from the second supporting portion 212 extends into the limiting space 2a and abuts against the charging structure on the ear stem 41, so as to charge the earphone 4. The second elastic portion 213 may be at least partially disposed in a bending section, so that the second elastic portion 213 is bent to form a V-shaped structure, and a vertex of the V-shaped structure may be used to contact a charging structure, such as the metal contact 42 with a smaller area on the ear stem 41, so that the second elastic portion 213 is conducted with the charging structure on the ear stem 41.

In an embodiment of the present invention, as shown in fig. 1, the earphone box further includes a circuit board 3; the circuit board 3 is disposed in the shank groove 1a, the charging contact 21 and the balance buffer 22 are disposed at intervals on the circuit board 3, and the charging contact 21 is electrically connected to the circuit board 3.

In this embodiment, the circuit board 3 is used to control the current and voltage input to the earphone 4 through the charging contact 21, so as to control the current and voltage input to the power storage module in the earphone 4, and ensure that the earphone 4 is charged at a safe charging voltage and charging current. A power module is further arranged in the earphone 4, and the power module is electrically connected with the circuit board 3 and used for supplying power to the related control circuit on the circuit board 3. The contact piece 21 and the balanced buffer piece 22 that charge set up in circuit board 3 at the interval to contact piece 21 and the balanced buffer piece 22 that charge are fixed through circuit board 3, make the interval between contact piece 21 and the balanced buffer piece 22 that charge fixed, so, when ear 41 inserts the spacing space 2a between contact piece 21 and the balanced buffer piece 22 that charge at every turn, the contact piece 21 and the balanced buffer piece 22 that charge can both with ear 41 elastic abutment, and cooperate centre gripping location ear 41, stability and reliability when guaranteeing earphone 4 to charge.

In an embodiment of the present invention, as shown in fig. 3 and 4, the circuit board 3 is provided with a first jack 3a, and part of the structure of the charging contact 21 is inserted into the first jack 3 a; and/or the circuit board 3 is provided with a second insertion hole 3b, and part of the structure of the balance buffer 22 is inserted into the second insertion hole 3 b.

In this embodiment, the second supporting portion 212 of the charging contact 21 can be partially inserted into the first insertion hole 3a, so as to realize the insertion and fixation of the charging contact 21 and the circuit board 3. For example, the bottom end of the second supporting portion 212 may be provided with a second protrusion for plugging and mating with the first insertion hole 3 a. Through the mode of grafting cooperation, can promote the fixed reliability of connecting between the contact 21 that charges and the circuit board 3, also make things convenient for the assembly and the dismantlement between contact 21 that charge and the circuit board 3 simultaneously.

The first supporting portion 221 of the balanced buffer 22 can be partially inserted into the second insertion hole 3b, so as to fix the balanced buffer 22 to the circuit board 3. For example, the bottom end of the first supporting part 221 may be provided with a first protrusion for mating with the second insertion hole 3 b. Through the mode of grafting cooperation, can promote the fixed reliability of connecting between balanced bolster 22 and the circuit board 3, also make things convenient for the assembly and the dismantlement between balanced bolster 22 and the circuit board 3 simultaneously.

The utility model further provides an earphone set, as shown in fig. 4, the earphone set includes an earphone 4 and an earphone box in each embodiment, the earphone 4 has an ear handle 41, a metal contact 42 is disposed on an outer side wall of the ear handle 41, the ear handle 41 is limited in a limiting space 2a of the earphone box, the metal contact 42 is elastically abutted with the charging contact piece 21 of the earphone box, and one side of the ear handle 41, which is opposite to the metal contact 42, is elastically abutted with the balance buffer piece 22 of the earphone box.

In this embodiment, the earphone 4 is a wireless earphone 4, such as a bluetooth earphone 4, the earphone 4 includes an ear handle 41 that is used for plugging in the ear of the person and at least partially exposes on the ear of the person when in use, a sound generating module such as a speaker is arranged in the ear, a circuit module for driving the sound generating unit to generate sound is arranged in the ear handle 41, and an electric storage module for supplying power to the circuit module is arranged.

The earphone box is used for containing the earphones 4 and charging the earphones 4, a power supply module is arranged in the earphone box, and the power supply module can charge and store power through an external power supply. When the ear handle 41 is placed in the handle groove 1a, the metal contact 42 on the ear handle 41 contacts with the charging contact 21, one side of the ear handle 41 opposite to the metal contact 42 contacts with the balance buffer 22 of the earphone box, the ear handle 41 is clamped and limited between the charging contact 21 and the balance buffer 22, and the power supply module charges the power storage module in the earphone 4 through the charging contact 21 and the metal contact 42, so that the cruising ability of the earphone 4 is improved.

The specific structure of the earphone box in this embodiment refers to the above embodiments, and since the earphone set in this embodiment adopts all the technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An earphone case for housing an earphone, the earphone having an ear stem, the earphone case comprising:

2. The earphone case of claim 1, wherein the counterbalancing buffer comprises:

3. The earphone box of claim 2, wherein the balanced buffer further comprises a buffer portion disposed on the first elastic portion, the buffer portion being at least partially disposed on a side of the first elastic portion facing the charging contact.

4. The earphone box of claim 3, wherein the buffer portion is provided with an assembly slot, and the first elastic portion is inserted into the assembly slot.

5. The earphone box of claim 4, wherein a side of the first elastic portion facing the charging contact is provided with a limiting protrusion, a side wall of the assembly groove is provided with a limiting groove corresponding to the limiting protrusion, and when the first elastic portion is inserted into the assembly groove, the limiting protrusion is limited in the limiting groove.

6. The earphone box of claim 3, wherein a side of the buffer portion facing the charging contact is provided with a resilient protrusion.

7. The earphone case of any one of claims 1-6, wherein the charging contact comprises two electrode clips, each electrode clip comprising:

8. The headset case of any one of claims 1-6, further comprising a circuit board;

9. The headset case of claim 8, wherein the circuit board defines a first receptacle, wherein a portion of the charging contact is configured to be inserted into the first receptacle;

10. A headset kit, characterized in that the headset kit comprises:

the headset case of any one of claims 1-9; and