CN218450456U - Earphone box and earphone device - Google Patents

Abstract

The utility model discloses an earphone box and an earphone device, belonging to the technical field of earphones, wherein the earphone box comprises a box body, a cover body and a supporting seat, and the box body is provided with a first end and a second end which are opposite; the two cover bodies are arranged, one cover body is rotatably connected to the first end, the other cover body is rotatably connected to the second end, and a sealed cavity is formed by the two cover bodies and the box body; the supporting seat is arranged in the sealing cavity, and the end face of the supporting seat, which faces one end of the cover body, and the end face of the supporting seat, which faces the other end of the cover body, are respectively provided with a charging groove. The utility model provides a bluetooth headset of earphone box and earphone device convenience of customers only takes, and can not influence another bluetooth headset when a bluetooth headset of taking for there is not the risk that drops in another bluetooth headset, has higher reliability.

Description

Earphone box and earphone device

Technical Field

The utility model relates to an earphone technical field especially relates to an earphone box and earphone device.

Background

The wireless Bluetooth headset is connected with the electronic equipment without a wire, so that the headset is more convenient to use, and more users' loves are obtained.

Among the prior art, wireless bluetooth headset charges through the box that charges usually, and specifically, the box that charges includes the box body and rotates the lid of connecting in the box body, and the top surface of box body is equipped with two charging grooves, and the lid has two caulking grooves towards the surface of box body, and two caulking grooves and two charging groove one-to-ones form two charging storehouse, and two earphones are arranged in two charging storehouses respectively. When the earphones need to be taken, a user manually opens the cover body to expose the two earphones.

However, to the user of some trades, only need wear an earphone usually, and earphone box among the prior art, open the lid back, two earphones expose simultaneously, when leading to taking an earphone, another earphone has the risk that drops, and then leads to charging box's reliability lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an earphone box and earphone device, convenience of customers only takes a bluetooth headset, and can not influence another bluetooth headset when a bluetooth headset of taking for there is not the risk that drops in another bluetooth headset, has higher reliability.

As the conception, the utility model adopts the technical proposal that:

earphone box includes:

a cartridge body having opposing first and second ends;

two cover bodies are arranged, one cover body is rotationally connected to the first end, the other cover body is rotationally connected to the second end, and a sealed cavity is formed by the two cover bodies and the box body;

the supporting seat is arranged in the sealing cavity, and the supporting seat faces towards one end face of one end of the cover body and the other end face of one end of the cover body and is respectively provided with a charging groove.

Optionally, the locking device further comprises two locking pieces respectively connected to the box body in a sliding manner, wherein the two locking pieces correspond to the two cover bodies in a one-to-one manner, one of the locking pieces corresponds to one of the cover bodies, and the other locking piece corresponds to one of the cover bodies, one of the locking pieces corresponds to one of the cover bodies, and the other locking piece corresponds to the other cover body, wherein one locking piece is provided with a clamping groove, the other locking piece is provided with a buckle, and the buckle is clamped into the clamping groove.

Optionally, the supporting seat includes a partition plate fixedly connected to the case body and two supporting components respectively located at two sides of the partition plate, each of the supporting components includes a lining and an elastic member disposed between the lining and the partition plate, and the lining faces the end face of one end of the cover body and is provided with the charging slot.

Optionally, the supporting component further comprises a limiting rod, a limiting groove is formed in the side wall of the lining, one end of the limiting rod is fixedly connected to the partition plate, and the other end of the limiting rod is located in the limiting groove.

Optionally, the spacing groove includes first subslot and the second subslot that is the contained angle setting, the one end in first subslot with the one end intercommunication in second subslot, the other end in first subslot with the other end in the second subslot is in first end is directional relative in the direction of second end, two locking piece and two the inside lining one-to-one, and every the locking piece supports rather than corresponding the inside lining, presses the locking piece promotes the inside lining removes, so that the other end of gag lever post by the other end sliding in first subslot extremely the one end in first subslot, the elastic component promotes the inside lining removes, so that the other end of gag lever post by the one end sliding in first subslot extremely the other end in second subslot.

Optionally, the spacing groove still includes third subslot and the fourth subslot that is the contained angle setting, the one end in third subslot with the other end intercommunication in second subslot, the other end in third subslot with the one end intercommunication in fourth subslot, the other end in fourth subslot with the other end intercommunication in first subslot presses the inside lining so that the other end of gag lever post is in the third subslot reaches slide in the fourth subslot.

Optionally, the first subslot and the fourth subslot are of an axisymmetrical structure, and the second subslot and the third subslot are of an axisymmetrical structure.

Optionally, the locking member has a first inclined surface, the lining has a second inclined surface matching with the first inclined surface, and the locking member abuts against the lining through the first inclined surface and the second inclined surface.

Optionally, the charging device further comprises an elastic pad, one elastic pad is arranged on the surface of each cover body facing the box body, and the elastic pad is opposite to the charging slot in the direction from the first end to the second end.

The earphone device comprises the earphone box and two Bluetooth earphones, wherein the two Bluetooth earphones correspond to the two charging grooves one by one, and the Bluetooth earphones are arranged in the charging grooves corresponding to the charging grooves.

The utility model discloses following beneficial effect has at least:

the utility model provides an earphone box and earphone device, rotate the lid of connecting in the first end of box body and second end respectively through setting up two, and the supporting seat has two charging grooves, make the lid, box body and supporting seat can form two mutually independent charging bins, and then make and open a lid, only expose a charging groove, also only expose a bluetooth headset, convenience of customers only takes a bluetooth headset, and can not influence another bluetooth headset when taking a bluetooth headset, make another bluetooth headset not have the risk that drops, the reliability of earphone box has been improved.

Drawings

Fig. 1 is a schematic view of an earphone box according to an embodiment of the present invention in a closed state;

fig. 2 is an exploded schematic view of an earphone box according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a first earphone box according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a second earphone box according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a part of the earphone box according to an embodiment of the present invention;

fig. 6 is an exploded view of the cover, the locking member, the elastic pad and the lock spring according to the embodiment of the present invention;

fig. 7 is a schematic view illustrating a cover of an earphone box according to an embodiment of the present invention in an opened state;

fig. 8 is a first schematic view of an earphone box not shown in the box body according to an embodiment of the present invention;

fig. 9 is a second schematic view of an earphone box not shown in the box body according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of an inner liner according to an embodiment of the present invention.

In the figure:

1. a box body; 11. a first end; 12. a second end;

2. a cover body; 21. a card slot;

3. a supporting seat; 31. a charging slot; 32. a partition plate; 33. a liner; 331. a limiting groove; 3311. a first subslot; 3312. a second subslot; 3313. a third subslot; 3314. a fourth subslot; 332. a second inclined plane; 34. an elastic member; 35. a limiting rod;

4. a locking member; 41. buckling; 42. a first inclined plane; 43. a return spring;

5. an elastic pad; 51. a spherical groove; 6. a charging interface; 7. a rechargeable battery; 8. a torsion spring;

10. a bluetooth headset.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

This embodiment provides an earphone box, and two earphones are placed alone, and another earphone drops when having avoided an earphone of taking, has improved earphone box's reliability.

As shown in fig. 1 and 2, the earphone box includes a box body 1, a cover body 2, and a supporting base 3 located in the box body 1.

The box body 1 has a first end 11 and a second end 12 which are opposite, in this embodiment, the box body 1 is rectangular, and the first end 11 and the second end 12 are opposite in the length direction of the box body 1. It is understood that the box body 1 may have other shapes, which is not limited in this embodiment. The box body 1 is a hollow body, and both ends are open.

The number of the cover bodies 2 is two, one cover body 2 is rotatably connected to the first end 11, the other cover body 2 is rotatably connected to the second end 12, and the two cover bodies 2 are independent and can be opened independently. The two cover bodies 2 and the box body 1 form a sealed cavity. Above-mentioned supporting seat 3 is located sealed intracavity, specifically, supporting seat 3 locates sealed intracavity's middle part, and all there is the interval between supporting seat 3 and two lid 2. Moreover, the end surface of the support base 3 facing one end of one cover 2 and the end surface facing one end of the other cover 2 are respectively provided with a charging slot 31, and the charging slots 31 are used for charging the bluetooth headset 10. Optionally, the one end of lid 2 rotates to be connected in box body 1, and the mode that lid 2 is connected with box body 1 has the multiple, in some embodiments, as shown in fig. 5 and fig. 6, the one end of lid 2 has the pivot, the cover is equipped with torsional spring 8 in the pivot, the one end of torsional spring 8 supports in box body 1, the other end supports in lid 2, the setting of torsional spring 8 can realize on the one hand that lid 2 rotates for box body 1, on the other hand, lid 2 relieves the constraint back, torsional spring 8 can be bounced open lid 2.

A charging bin is formed among the supporting seat 3, the cover body 2 and part of the box body 1, and the charging bin can charge a Bluetooth headset; another charging bin is formed between the supporting seat and the other cover body 2 and between the supporting seat and part of the box body 1, and the charging bin can charge another Bluetooth headset.

The earphone box that this embodiment provided, rotate the lid 2 of connecting in the first end 11 and the second end 12 of box body 1 respectively through setting up two, and supporting seat 3 has two charging grooves 31, make the lid 2, box body and supporting seat 3 can form two mutually independent charging chambers, and then make and open a lid 2, only expose a charging groove 31, also only expose a bluetooth headset 10, convenience of customers only takes a bluetooth headset 10, and can not influence another bluetooth headset 10 when taking a bluetooth headset 1, make another bluetooth headset 10 not have the risk that drops, the reliability of earphone box has been improved.

Optionally, as shown in fig. 2 or fig. 3, the earphone box further includes two locking members 4 respectively slidably connected to the box body 1, in this embodiment, the two locking members 4 are located on the side walls of the box body 1 and can slide along a direction perpendicular to the side walls. Two locking parts 4 correspond to two covers 2 one by one, and each locking part 4 is used for locking the cover 2 corresponding to the locking part on the box body 1. Specifically, in a corresponding set of the locking member 4 and the cover 2, one of the locking member 4 and the cover 2 has a slot 21, and the other has a buckle 41, in this embodiment, as shown in fig. 6, the cover 2 has a slot 21, the locking member 4 has a buckle 41, and the buckle 41 is clamped in the slot 21, so that the locking member 4 locks the cover 2 on the box 1. The structure of the locking member 4 when locking the cover 2 is shown in fig. 3, the buckle 41 is located in the slot 21, when the cover 2 needs to be unlocked, the locking member 4 is pressed, so that the buckle 41 is separated from the slot 21, and at this time, under the action of the torsion spring 8, the cover 2 rotates around the rotating shaft to open the first end 11 or the second end of the box body 1. In some embodiments, the other end of the cover 2 is magnetically connected to the box 1, that is, the other end of the cover 2 and the end of the box 1 are respectively provided with a magnet, and the cover of the cover 2 can be closed by magnetic attraction.

Further, please refer to fig. 6 continuously, the locking member 4 has a groove structure, a return spring 43 is disposed in the groove structure, one end of the return spring 43 abuts against a groove wall of the groove structure, and the other end abuts against a side wall of the box body 1, when the locking member 4 is pressed, the return spring 43 is compressed, and after the locking member 4 is released, the locking member 4 is reset under the action of elastic potential energy of the return spring 43.

Alternatively, as shown in fig. 2 or fig. 5, the supporting seat 3 includes a partition plate 32 fixed to the middle of the box body 1 and two supporting components respectively located at two sides of the partition plate 32. The divider plate 32 is disposed parallel to the cover 2 with one support assembly adjacent the first end 11 and the other support assembly adjacent the second end 12. Each support assembly includes a liner 33 and an elastic member 34 provided between liner 33 and partition 32, and a charging groove 31 is provided on an end surface of each liner 33 facing one end of lid body 2. When the bluetooth headset 10 is located in the charging slot 31, the top is lower than the cover body 2, and the elastic member 34 is compressed; when lid 2 is opened, elastic component 34 can promote inside lining 33 and remove and predetermine the distance for bluetooth headset 10 can be close to the tip of box body 1 or the tip of protrusion box body 1, and the user of being convenient for takes bluetooth headset 10, has improved the convenience of earphone box. In this embodiment, the elastic member 34 between each liner 33 and the partition plate 32 may be provided in plurality, so that the liner 33 can be uniformly stressed. The elastic member 34 is preferably a spring.

Further, please refer to fig. 4, each supporting component further includes a limiting rod 35, a limiting groove 331 is disposed on a side wall of the liner 33, one end of the limiting rod 35 is fixedly connected to the partition plate 32, the other end of the limiting rod 35 is located in the limiting groove 331, an extending direction of the limiting groove 331 is parallel to a length direction of the box body 1, and when the liner 33 moves, the limiting rod 35 slides in the limiting groove 331. The limiting rod 35 can limit the moving limit of the lining 33, prevent the lining 33 from being excessively ejected by the elastic piece 34, and prevent the elastic piece 34 from being excessively pressed. In this embodiment, the stop lever 35 is L-shaped, one end of the vertical portion of the stop lever 35 is fixed to the partition plate 32, and one end of the horizontal portion of the stop lever 35 is located in the stop groove 331.

In some embodiments, as shown in FIG. 4, the position-limiting groove 331 includes a first sub-groove 3311 and a second sub-groove 3312 that are disposed at an included angle. In this embodiment, an included angle between the first sub-groove 3311 and the second sub-groove 3312 is an acute angle. One end of the first sub-groove 3311 is communicated with one end of the second sub-groove 3312, so that the position-limiting rod 35 can slide from the first sub-groove 3311 to the second sub-groove 3312, and the other end of the first sub-groove 3311 is opposite to the other end of the second sub-groove 3312 in the direction (and the length direction of the box body 1) in which the first end 11 points to the second end 12, so as to ensure that the extending direction of the vertical part of the position-limiting rod 35 is parallel to the length direction of the box body 1.

In this embodiment, the two locking members 4 correspond to the two liners 33 one-to-one, each locking member 4 abuts against the corresponding liner 33, the locking member 4 is pressed to push the liner 33 to move, so that the other end of the position-limiting rod 35 slides from the other end of the first sub-groove 3311 to one end of the first sub-groove 3311, the elastic member 34 pushes the liner 33 to move, so that the other end of the position-limiting rod 35 slides from one end of the first sub-groove 3311 (i.e., one end of the second sub-groove 3312) to the other end of the second sub-groove 3312, and the position-limiting rod 35 is located at the other end of the second sub-groove 3312, so as to limit the liner 33.

In fig. 10, when the bluetooth headset 10 is present in the charging slot 31, the limiting rod 35 is located at the third position W3 (i.e. the other end of the first sub-slot 3311), when pushing the locking member 4, the locking member 4 pushes the lining 33 to move close to the partition plate 32 until the limiting rod 35 is located at the second position W2, at this time, the elastic member 34 is compressed, after the locking member 4 is released, the pressing on the lining 33 is released, at this time, under the effect of the elastic force of the elastic member 34, the lining 33 is pushed to move away from the partition plate 32 until the other end of the limiting rod 35 is located at the first position W1, in this process, the bluetooth headset 10 is pushed out, and the user can take the bluetooth headset conveniently. In this embodiment, the first sub-groove 3311 and the second sub-groove 3312 are curved to reduce the friction between the stopper rod 35 and the liner 33. It should be noted that, during the movement of the liner 33, the other end of the stopper rod 35 may be inclined.

After taking out the bluetooth headset 10, because there is sufficient space in the case 1, the other end of the limiting rod 35 may be always located at the first position W1, when the bluetooth headset 10 is put into the charging slot 31 again, the bluetooth headset 10 may be manually pressed, or the bluetooth headset 10 may be pressed through the cover 2, in some embodiments, the moving track of the limiting rod 35 relative to the lining 33 may be opposite to the track of the bluetooth headset 10 when taken out, in other embodiments, as shown in fig. 4 or fig. 10, the limiting groove 331 further includes a third sub-groove 3313 and a fourth sub-groove 3314 arranged at an included angle. One end of the third sub-groove 3313 is connected to the other end of the second sub-groove 3312, the other end of the third sub-groove 3313 is connected to one end of the fourth sub-groove 3314, the other end of the fourth sub-groove 3314 is connected to the other end of the first sub-groove 3311, and the inner liner 33 is pressed to slide the other end of the stopper rod 35 in the third sub-groove 3313 and the fourth sub-groove 3314. The other end of the stopper rod 35 is located at the first position W1, and after the lining 33 is pressed, the stopper rod 35 slides in the third sub-groove 3313 until the stopper rod moves to the fourth position W4, at which time the lining 33 cannot move any more, the elastic member 34 is compressed, and the other end of the stopper rod 35 tilts. After the external force for pressing the liner 33 is removed, the limiting rod 35 moves from the fourth position W4 to the third position W3 under the urging of the restoring force of the limiting rod 35 and the elastic force of the elastic member 34.

Optionally, referring to fig. 10, the first sub-slot 3311 and the fourth sub-slot 3314 are axially symmetric, and the second sub-slot 3312 and the third sub-slot 3313 are axially symmetric, so that the first sub-slot 3311, the second sub-slot 3312, the third sub-slot 3313 and the fourth sub-slot 3314 are entirely arrow-shaped. Further, the symmetry axes of the first sub-groove 3311 and the fourth sub-groove 3314 are collinear with the symmetry axes of the second sub-groove 3312 and the third sub-groove 3313.

In this embodiment, in each supporting component, the limiting rod 35 and the limiting groove 331 are respectively and correspondingly provided with two, the two limiting grooves 331 are respectively provided on the two opposite side walls of the lining 33, and the other end of each limiting rod 35 is located in the corresponding limiting groove 331, so that the lining 33 can move more stably.

Alternatively, as shown in fig. 6 and 8, the locking member 4 has a first inclined surface 42, the lining 33 has a second inclined surface 332 matching with the first inclined surface 42, the first inclined surface 42 and the second inclined surface 332 can abut against each other, and the locking member 4 abuts against the lining 33 through the first inclined surface 42 and the second inclined surface 332. When the locking member 4 is pressed, the lining 33 is pushed to move by the first inclined surface 42 and the second inclined surface 332, and a pressing force is applied to the elastic member 34, so that the lining 33 is ejected by the elastic member 34. The bluetooth headset 10 at the top in fig. 8 is in a pop-up state, and at this time, the first inclined surface 42 and the second inclined surface 332 are no longer attached. The lower bluetooth headset 10 in fig. 8 is in a charging state, and the first inclined surface 42 is attached to the second inclined surface 332.

As shown in fig. 7 and fig. 8, the earphone case further includes an elastic pad 5, one elastic pad 5 is disposed on a surface of each cover 2 facing the case 1, the elastic pad 5 is opposite to the charging slot 31 in a direction from the first end 11 to the second end 12, and the elastic pad 5 is configured to contact the bluetooth earphone 10, so that the cover 2 is in elastic contact with the bluetooth earphone 10 to prevent damage to the bluetooth earphone 10. In this embodiment, the surface of cushion 5 is equipped with spherical groove 51, and spherical groove 51 and bluetooth headset 10's top surface phase-match to supplementary charging groove 31 location bluetooth headset 10 prevents that bluetooth headset 10 from rocking in the storehouse of charging.

In this embodiment, as shown in fig. 2, the earphone box further includes a rechargeable battery 7, a main board (not shown) and a charging interface 6, the rechargeable battery 7 is charged through the charging interface 6, and the main board is connected to the rechargeable battery 7. In some embodiments, a charging contact (not shown) electrically connected to the motherboard is disposed in the charging slot 31, and the bluetooth headset can be charged through the charging contact; in other embodiments, a wireless charging module (not shown) electrically connected to the motherboard is disposed in the case 1, and the bluetooth headset 10 has a wireless receiving coil, and the bluetooth headset 10 is charged by the wireless charging module.

The embodiment further provides an earphone device, which includes the earphone box and two bluetooth earphones 10. Two bluetooth headsets 10 are in one-to-one correspondence with two charging slots 31, and each bluetooth headset 10 is placed in its corresponding charging slot 31 to be stored and charged.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. Earphone box, its characterized in that includes:

a box (1) having opposite first (11) and second (12) ends;

the two cover bodies (2) are arranged, one cover body (2) is rotatably connected to the first end (11), the other cover body (2) is rotatably connected to the second end (12), and a sealed cavity is formed by the two cover bodies (2) and the box body (1);

the supporting seat (3) is arranged in the sealing cavity, and the supporting seat (3) faces the end face of one end of the cover body (2) and faces the end face of the other end of the cover body (2) and is provided with a charging groove (31) respectively.

2. The earphone box according to claim 1, further comprising two locking members (4) slidably connected to the box body (1), wherein the two locking members (4) correspond to the two covers (2) one by one, and one of the locking members (4) and the cover (2) has a slot (21) and the other has a buckle (41), and the buckle (41) is clamped into the slot (21).

3. Earphone box according to claim 2, wherein the support base (3) comprises a partition plate (32) fixed to the box body (1) and two support members respectively located at two sides of the partition plate (32), each support member comprises a lining (33) and an elastic member (34) arranged between the lining (33) and the partition plate (32), and the end surface of the lining (33) facing one end of the cover body (2) is provided with the charging slot (31).

4. The earphone box according to claim 3, wherein the supporting assembly further comprises a limiting rod (35), a limiting groove (331) is formed in a side wall of the inner liner (33), one end of the limiting rod (35) is fixedly connected to the partition plate (32), and the other end of the limiting rod (35) is located in the limiting groove (331).

5. The earphone box according to claim 4, wherein the position-limiting groove (331) comprises a first sub-groove (3311) and a second sub-groove (3312) arranged at an included angle, one end of the first sub-groove (3311) is communicated with one end of the second sub-groove (3312), the other end of the first sub-groove (3311) is opposite to the other end of the second sub-groove (3312) in a direction in which the first end (11) points to the second end (12), the two locking members (4) correspond to the two liners (33) one by one, each locking member (4) abuts against the corresponding liner (33), the locking member (4) is pressed to push the liner (33) to move, so that the other end of the position-limiting rod (35) slides from the other end of the first sub-groove (3311) to one end of the first sub-groove (3311), and the elastic member (34) pushes the liner (33) to move, so that the other end of the position-limiting rod (35) slides from the first sub-groove (3312) to the other end of the second sub-groove (3312).

6. The earphone box according to claim 5, wherein the position-limiting groove (331) further comprises a third sub-groove (3313) and a fourth sub-groove (3314) disposed at an included angle, one end of the third sub-groove (3313) is communicated with the other end of the second sub-groove (3312), the other end of the third sub-groove (3313) is communicated with one end of the fourth sub-groove (3314), the other end of the fourth sub-groove (3314) is communicated with the other end of the first sub-groove (3311), and the inner liner (33) is pressed to enable the other end of the position-limiting rod (35) to slide in the third sub-groove (3313) and the fourth sub-groove (3314).

7. The earphone box of claim 6, wherein the first sub-groove (3311) and the fourth sub-groove (3314) are axisymmetrical, and the second sub-groove (3312) and the third sub-groove (3313) are axisymmetrical.

8. Earphone box according to any of claims 3-7, characterized in that the locking means (4) has a first slope (42), that the liner (33) has a second slope (332) cooperating with the first slope (42), and that the locking means (4) abuts against the liner (33) via the first slope (42) and the second slope (332).

9. Earphone box according to any of claims 1-7, further comprising an elastic pad (5), wherein one elastic pad (5) is provided on the surface of each cover (2) facing the box (1), and the elastic pad (5) is opposite to the charging slot (31) in the direction from the first end (11) to the second end (12).

10. Earphone arrangement, comprising an earphone box according to any of claims 1-9 and two bluetooth earphones (10), wherein the two bluetooth earphones (10) are in one-to-one correspondence with the two charging slots (31), and wherein the bluetooth earphones (10) are placed in the charging slots (31) corresponding thereto.

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