Earbud case and earbud assembly

Abstract

Disclosed in the present invention are an earbud case and an earbud assembly. The earbud case comprises a housing, earbud holders, a knob, and a transmission structure; the earbud holders are used for holding earbuds; the earbud holders are rotatably connected to the housing; the knob is rotatably arranged on the housing and is at least partially exposed out of the surface of the housing; the transmission structure is arranged in the housing and is transmittingly connected to the knob and the earbud holders; the knob can rotate under an external force to drive the transmission structure to drive the earbud holders to rotate relative to the housing, so as to extend out of the housing or retract into the housing. According to the technical solution of the present invention, a user can drive the earbud holders to rotatably extend out of the housing or rotatably retract into the housing from the outside simply by rotating the knob, thereby facilitating taking and placing of the earbuds by the user, and improving the operation convenience of the user.

Description

Headphone box and headphone components

[0001] This application claims priority to the Chinese patent application filed with the China Patent Office on August 28, 2023, application number 202311088843.7, and application name “Earphone Box and Earphone Assembly”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of electronic technology, and in particular to an earphone box and an earphone assembly. Background Art

[0003] With the improvement of people's living standards, TWS (True Wireless Stereo) headphones are becoming more and more popular.

[0004] In the related art, when a user takes out the earphones from the earphone box, he needs to pry open the upper cover of the earphone box, which is inconvenient to operate.

[0005] Summary of the Invention

[0006] The main purpose of the present invention is to provide an earphone box, aiming to improve the operational convenience of users in taking and placing earphones.

[0007] To achieve the above-mentioned object, the present invention provides an earphone box, comprising:

[0008] case;

[0009] An earphone seat, used for loading earphones, the earphone seat being rotatably connected to the housing;

[0010] a knob rotatably disposed on the housing and at least partially exposed on a surface of the housing; and

[0011] A transmission structure is provided in the housing and is configured to transmit and connect the knob and the earphone seat;

[0012] The knob can be rotated under the action of an external force, driving the transmission structure to drive the earphone seat to rotate relative to the shell, so as to extend out of the shell or be accommodated in the shell.

[0013] In one embodiment of the present application, the transmission structure is a gear train transmission structure; the knob is provided with a tooth structure meshing with the gear train transmission structure, and one end of the headphone seat is provided with a first gear meshing with the gear train transmission structure.

[0014] In one embodiment of the present application, the shell has a top surface and a side surface connected at an angle, the earphone seat is located on the side surface of the shell, and the knob is located on the top surface of the shell.

[0015] In one embodiment of the present application, the earphone box includes two earphone seats, and the two earphone seats are respectively provided on opposite sides of the housing;

[0016] The gear train transmission structure is connected to the tooth structure of the knob and the two first gears of the two earphone seats, so that the two earphone seats are rotated to extend out or be accommodated in the shell.

[0017] In one embodiment of the present application, the housing is a rectangular structure.

[0018] The two earphone seats are respectively arranged at diagonal positions of the shell, and the knob is located between the two earphone seats.

[0019] In one embodiment of the present application, the gear train transmission structure includes:

[0020] a first transmission assembly, the first transmission assembly comprising a first rotating shaft disposed in the housing and a second gear disposed on the first rotating shaft, the second gear being meshedly connected to the first gear;

[0021] a second transmission assembly, the second transmission assembly comprising a second rotating shaft disposed in the housing and a third gear disposed on the second rotating shaft, the third gear being meshedly connected with the tooth structure of the knob; and

[0022] The reversing assembly is configured to transmission-connect the first transmission assembly and the second transmission assembly.

[0023] In one embodiment of the present application, the reversing component includes:

[0024] a first bevel gear mounted on the first rotating shaft; and

[0025] The second bevel gear is mounted on the second rotating shaft, and the second bevel gear is meshed with the first bevel gear.

[0026] In one embodiment of the present application, the shell is provided with an installation opening, the knob is inserted into the installation opening, the portion of the knob exposed outside the shell is provided with an operating protrusion, and the portion of the knob located inside the shell is provided with the tooth structure.

[0027] In one embodiment of the present application, a limiting rib is further provided in the shell to limit the position of the earphone in the earphone seat.

[0028] To achieve the above object, the present application further provides an earphone assembly, comprising an earphone and the above earphone box, wherein the earphone is arranged in the earphone seat; the earphone box comprises:

[0029] case;

[0030] An earphone seat, used for loading earphones, the earphone seat being rotatably connected to the housing;

[0031] a knob rotatably disposed on the housing; and

[0032] A transmission structure is provided in the housing and is configured to transmit and connect the knob and the earphone seat;

[0033] The knob can be rotated under the action of an external force, driving the transmission structure to drive the earphone seat to rotate relative to the shell, so as to extend out of the shell or be accommodated in the shell.

[0034] In the earphone box of the technical solution of the present invention, the earphone seat is rotatably connected to the shell, and the knob is rotatably connected to the shell. By arranging a transmission structure inside the shell, the transmission structure transmits the connection between the knob and the earphone seat, so that the user only needs to turn the knob to drive the earphone seat to rotate out from the shell or rotate out from the outside of the shell and retract into the shell, which is convenient for the user to take and put the earphones and improves the user's operating convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0036] FIG1 is a schematic diagram of the appearance of an earphone box according to an embodiment of the present invention;

[0037] FIG2 is a schematic diagram of the internal structure of an embodiment of the earphone case of the present invention when the earphone seat is accommodated in the housing;

[0038] FIG3 is a schematic structural diagram of an embodiment of the present invention in which the earphone seat of the earphone case extends out of the housing;

[0039] FIG4 is a schematic diagram of the internal structure of the embodiment in FIG3 ;

[0040] FIG5 is a schematic diagram of the internal structure of the embodiment in FIG2 .

[0041] Description of Figure Numbers:

[0042] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments. DETAILED DESCRIPTION

[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0044] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0045] At the same time, the meaning of "and / or" or "and / or" appearing in the full text includes three options. Taking "A and / or B" as an example, it includes option A, or option B, or an option in which both A and B are satisfied.

[0046] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features specified as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0047] The present invention provides an earphone box.

[0048] In an embodiment of the present invention, as shown in FIG. 1 to FIG. 5 , the earphone box includes a housing 100 , an earphone seat 200 , a knob 300 and a transmission structure 400 .

[0049] The earphone socket 200 is used to load the earphone 600, and the earphone socket 200 is rotatably connected to the shell 100; the knob 300 is rotatably provided on the shell 100 and is at least partially exposed on the surface of the shell 100; the transmission structure 400 is provided in the shell 100 and is transmission-connected to the knob 300 and the earphone socket 200; the knob 300 can rotate under the action of external force, driving the transmission structure 400 to drive the earphone socket 200 to rotate relative to the shell 100, so as to extend out of the shell 100 or be stored in the shell 100.

[0050] In this embodiment, the housing 100 supports and fixes components of the earphone case, such as the earphone holder 200, the knob 300, the transmission structure 400, the charging module, the cleaning module, or other functional modules. The earphone holder 200 is used to hold the earphones 600 and can be rotated relative to the housing 100 to extend out of the housing 100 or be stored in the housing 100 to achieve the function of taking the earphones 600 out. The knob 300 is rotatably mounted on the housing 100 and acts as a trigger switch. The transmission structure 400 transmits the power of the knob 300 to the earphone holder 200 through transmission. This allows the user to drive the earphone holder 200 to rotate out of the housing 100 or rotate out of the housing 100 to be stored in the housing 100, making it easier for the user to take the earphones 600 out and improve user convenience.

[0051] It is understandable that the shape and structure of the shell 100 in this embodiment can be determined according to actual conditions, such as a cylindrical, rectangular, square or other special-shaped structures. The shape and structure of the knob 300 can also be determined according to actual conditions, such as a cylindrical handle structure, a snap-on structure or other structures, as long as it is convenient for the user to rotate and operate. The shape and structure of the earphone holder 200 can also be determined according to actual conditions, as long as it can hold the earphone 600 and can be rotatably connected to the shell 100. The earphone holder 200 is rotatably connected to the shell 100 and can be rotated to extend or be received from the side of the shell 100, or it can be rotated to extend or be received from the top or bottom of the shell 100. Taking into account user usage habits and anti-drop factors, as an example, the earphone holder 200 is installed on the side of the shell 100, and is rotated to extend or be received from the side of the shell 100 to prevent the earphone 600 from falling.

[0052] In actual use, one earphone holder 200 can accommodate one or two earphones 600. For example, one earphone holder 200 can accommodate one earphone 600. A contoured cavity for accommodating the earphone 600 can be provided within the earphone holder 200 to ensure secure installation of the earphone 600. Based on this, the earphone case can include two earphone holders 200, both of which can be rotated, extended, or retracted relative to the housing 100. It is understood that both earphone holders 200 can be connected to a single transmission structure 400, or the two earphone holders 200 can be independently connected to two transmission structures 400. Accordingly, a single knob 300 can simultaneously control the rotation, extension, or retraction of both earphone holders 200, or two knobs 300 can independently control the rotation, extension, or retraction of the two earphone holders 200. The specific structure can be determined based on actual conditions and is not limited here; as long as rotating the knob 300 can drive the earphone holder 200 to rotate, extend, or retract relative to the housing 100, it will suffice.

[0053] The transmission structure 400 transmits and connects the knob 300 and the earphone socket 200. It can be understood that the specific structure of the transmission structure 400 can be determined according to actual conditions. For example, it can be a gear system transmission structure, a wedge block transmission structure, an electronically controlled transmission structure or a connecting rod transmission structure, etc. Its specific structure is not limited here.

[0054] In the earphone box of the technical solution of the present invention, the earphone seat 200 is rotatably connected to the shell 100, and the knob 300 is rotatably connected to the shell 100. By setting a transmission structure 400 in the shell 100, the transmission structure 400 transmits and connects the knob 300 and the earphone seat 200, so that the user only needs to rotate the knob 300 to drive the earphone seat 200 to rotate out from the shell 100 or rotate from the outside of the shell 100 to be retracted into the shell 100, which is convenient for the user to take and place the earphone 600 and improves the user's operating convenience.

[0055] In one embodiment of the present application, referring to Figures 2 to 5, the transmission structure 400 is a gear train transmission structure; the knob 300 is provided with a tooth structure 301 meshingly connected to the gear train transmission structure, and one end of the earphone seat 200 is provided with a first gear 210 meshingly connected to the gear train transmission structure.

[0056] This embodiment illustrates the specific structure of the transmission structure 400. The transmission structure 400 is a gear train transmission structure. It is understood that the connection between the transmission structure 400, the knob 300, and the headphone jack 200 is a gear meshing connection, achieving the transmission function between the knob 300 and the headphone jack 200 through a purely mechanical structure. Specifically, the knob 300 is provided with a tooth structure 301, and one end of the headphone jack 200 is provided with a first gear 210. The knob 300 is meshed with the gear train transmission structure via the tooth structure 301. Rotating the knob 300 drives the gear train transmission structure to move, and the gear train transmission structure can drive the first gear 210 to rotate, thereby rotating the headphone jack 200 to extend or retract into the housing 100.

[0057] In actual application, the gear train transmission structure can be a single-stage transmission, a two-stage transmission, or a multi-stage transmission, etc., which can be determined based on the size of the internal space of the housing 100 and / or the positional relationship between the knob 300 and the earphone socket 200. For example, when the rotation direction of the knob 300 is consistent with the rotation direction of the earphone socket 200, the gear train transmission structure does not need to be reversed, and a single-stage transmission method can be used. If the rotation direction of the knob 300 is different from the rotation direction of the earphone socket 200, the gear train transmission structure needs to have a reversing function, and in this case, a two-stage transmission method or a multi-stage transmission method can be used. The specific gear train transmission structure is not limited here.

[0058] It should be noted that the gear train transmission structure is not limited to a specific type of gear structure, and may include spur gears, helical gears, bevel gears, worm gears, or other structures with tooth structures.

[0059] As an example, please refer to Figures 2 to 5. The gear train transmission structure includes a first transmission component 410, a second transmission component 420 and a reversing component 430. The first transmission component 410 includes a first rotating shaft 411 provided in the housing 100 and a second gear 412 provided on the first rotating shaft 411, and the second gear 412 is meshed with the first gear 210; the second transmission component 420 includes a second rotating shaft 421 provided in the housing 100 and a third gear 422 provided on the second rotating shaft 421, and the third gear 422 is meshed with the tooth structure 301 of the knob 300; the reversing component 430 is transmission-connected to the first transmission component 410 and the second transmission component 420.

[0060] This embodiment illustrates the specific structure of the gear train transmission structure, wherein the first transmission component 410 is engaged and connected with the first gear 210 of the earphone seat 200, the second transmission component 420 is engaged and connected with the tooth structure 301 of the knob 300, and the reversing component 430 is used to transmit and reverse power between the second transmission component 420 and the first transmission component 410.

[0061] Specifically, the second transmission assembly 420 includes a second rotating shaft 421 and a third gear 422 mounted on the second rotating shaft 421. The third gear 422 is meshed with the tooth structure 301 of the knob 300. When the user rotates the knob 300, the third gear 322 is driven to rotate about the second rotating shaft 421. The power of the second transmission assembly 420 is transmitted to the first transmission assembly 410 via the reversing assembly 430. The first transmission assembly 410 includes a first rotating shaft 411 and a second gear 412 mounted on the first rotating shaft 411. The second gear 412 is meshed with the first gear 210. In this way, the second gear 412 can drive the first gear 210 to rotate, thereby realizing the function of rotating the headphone jack 200 to extend or retract into the housing 100.

[0062] In actual application, to ensure structural reliability, a first bracket 710 for mounting the first rotating shaft 411 and a second bracket 720 for mounting the second rotating shaft 421 can be provided inside the housing 100. The first rotating shaft 411 can be rotatably connected to the first bracket 710, and the second rotating shaft 421 can be rotatably connected to the second bracket 720. The second gear 412 can be fixed to the first rotating shaft 411 by a retaining spring, and correspondingly, the third gear 422 can be fixed to the second rotating shaft 421 by a retaining spring.

[0063] Furthermore, the reversing assembly 430 includes a first bevel gear 431 and a second bevel gear 432 . The first bevel gear 431 is mounted on the first rotating shaft 411 , and the second bevel gear 432 is mounted on the second rotating shaft 421 . The second bevel gear 432 is meshed with the first bevel gear 431 .

[0064] This embodiment illustrates the specific structure of the reversing assembly 430. The meshing connection between the first bevel gear 431 and the second bevel gear 432 achieves both reversing and power transmission. It will be appreciated that the rotation axis of the first bevel gear 431 and the rotation axis of the second bevel gear 432 are arranged at an angle. The rotation axes of the first bevel gear 431 and the second gear 412 coincide with each other, while the rotation axes of the second bevel gear 432 and the third gear 422 coincide with each other.

[0065] As an example, when the user turns the knob 300, the tooth structure 301 of the knob 300 drives the third gear 422 to rotate, which in turn drives the second bevel gear 432 installed on the second rotating shaft 421 to rotate, and then drives the first bevel gear 431 to rotate, which in turn drives the second gear 412 installed on the first rotating shaft 411 to rotate, thereby driving the first gear 210 to rotate, realizing the function of the earphone socket 200 rotating out of the shell 100 or being stored in the shell 100.

[0066] In one embodiment of the present application, referring to Figures 1 to 5, the housing 100 has a top surface 100a and a side surface 100b connected at an angle, the earphone seat 200 is located on the side surface 100b of the housing 100, and the knob 300 is located on the top surface 100a of the housing 100.

[0067] In this embodiment, the knob 300 and the earphone holder 200 are located on different surfaces of the housing 100. By locating the knob 300 on the top surface 100a of the housing 100 and the earphone holder 200 on the side 100b of the housing 100, interference between the movement of the knob 300 and the earphone holder 200 is prevented, while also simplifying the layout of the gear train transmission structure. Furthermore, locating the earphone holder 200 on the side 100b of the housing 100 allows the earphone holder 200 to rotate within a horizontal plane. This arrangement prevents the earphones 600 from falling during the movement of the earphone holder 200, improving the reliability of the earphone 600 handling process. Furthermore, locating the knob 300 on the top surface 100a of the housing 100 is more in line with user habits and facilitates one-handed operation.

[0068] In one embodiment of the present application, please refer to Figures 2 to 5. The earphone box includes two earphone sockets 200, and the two earphone sockets 200 are respectively arranged on opposite sides of the shell 100; the gear train transmission structure transmits the tooth structure 301 of the connection knob 300 and the two first gears 210 of the two earphone sockets 200, so that the two earphone sockets 200 are rotated to extend or be stored in the shell 100.

[0069] In this embodiment, the earphone case includes two earphone holders 200, each corresponding to a headphone 600. By arranging the two earphone holders 200 on opposite sides of the housing 100, the gear train transmission structure connects the tooth structure 301 of the knob 300 with the two first gears 210 of the two earphone holders 200. In other words, the two earphone holders 200 share the same gear train transmission structure and knob 300. Therefore, when the knob 300 is turned, both earphone holders 200 are driven to rotate relative to the housing 100, achieving the function of controlling the extension or retraction of the two earphone holders 200 by a single knob 300.

[0070] Specifically, the gear train transmission structure includes two first rotating shafts 411, two second gears 412 respectively mounted on the two first rotating shafts 411, and two first bevel gears 431. Accordingly, the second rotating shaft 412 is provided with two second bevel gears 432 respectively meshing with the two first bevel gears 431. In actual application, when the knob 300 is rotated, the tooth structure 301 of the knob 300 drives the third gear 422 to rotate, thereby driving the second rotating shaft 412 to rotate, and further driving the two second bevel gears 432 to rotate. Correspondingly, the two second bevel gears 432 respectively drive the corresponding two first bevel gears 431 to rotate, driving the two first rotating shafts 411 to rotate, and further driving the two second gears 412 on the two first rotating shafts 411 to rotate, thereby simultaneously driving the two first gears 210 of the two headphone jacks 200 to rotate, thereby enabling the two headphone jacks 200 to rotate, extend out, or be retracted into the housing 100.

[0071] As an example, the knob 300 is located between the two headphone sockets 200, and the two second bevel gears 432 are located on either side of the third gear 422. This ensures a more balanced and stable force on the second rotating shaft 421, thereby improving the reliability of the transmission structure 400. Accordingly, two second brackets 720 for mounting the second rotating shaft 421 can be provided, with the two second brackets 720 supporting each end of the second rotating shaft 421.

[0072] Further, referring to FIG. 1 to FIG. 5 , the housing 100 is a rectangular structure, the two earphone sockets 200 are respectively disposed at diagonal positions of the housing 100 , and the knob 300 is located between the two earphone sockets 200 .

[0073] In this embodiment, the two earphone sockets 200 are respectively arranged at diagonal positions of the shell 100, and the knob 300 is arranged between the two earphone sockets 200, which can simplify the structure of the gear train transmission structure, further save space, make the structural layout more compact, and the appearance size of the earphone box more compact.

[0074] As an example, the housing 100 includes a bottom shell 110 and an upper cover 120. The upper cover 120 is placed on the bottom shell 110 to form a relatively closed accommodation space to accommodate structures such as the earphone seat 200 and the transmission assembly 400. Optionally, the bottom shell 110 and the upper cover 120 can be fixed by gluing.

[0075] The knob 300 can be installed on the upper cover 120. Specifically, the inner wall of the upper cover 120 is provided with a third bracket 730 and a third rotating shaft installed on the third bracket 730. The knob 300 is installed on the third rotating shaft through a retaining spring to realize the rotational connection function of the knob 300 and the shell 100.

[0076] As an example, please refer to Figures 1 to 5. The shell 100 is provided with an installation opening 101, the knob 300 is passed through the installation opening 101, the portion of the knob 300 exposed outside the shell 100 is provided with an operating protrusion 302, and the portion of the knob 300 located inside the shell 100 is provided with a tooth structure 301.

[0077] This embodiment illustrates the structure of the knob 300. The knob 300 is installed through the mounting opening 101 of the housing 100. The knob 300 has a portion exposed outside the housing 100 and a portion housed within the housing 100. Providing an operating protrusion 302 on the portion of the knob 300 exposed outside the housing 100 facilitates user operation. Providing the tooth structure 301 on the portion of the knob 300 located within the housing 100 ensures reliable meshing between the tooth structure 301 and the third gear 422.

[0078] In actual application, the opening size of the installation port 101 can be set to match the size of the knob 300, so that the operating protrusion 302 can only move outside the shell 100, and will not enter the inside of the shell 100 from the installation port 101. The shell 100 plays a role in limiting the position of the operating protrusion 302, thereby realizing the limiting effect on the opening and closing position of the earphone socket 200.

[0079] Furthermore, the tooth structure 301 is only provided on a partial contour of the knob 300 , which can avoid interference between the tooth structure 301 and the mounting opening 101 of the housing 100 during the rotation of the knob 300 , thereby ensuring the reliability of the fit between the mounting opening 101 and the knob 300 .

[0080] In one embodiment of the present application, referring to FIG. 2 , a limiting rib 500 is further provided in the housing 100 for limiting the position of the earphone 600 in the earphone seat 200 .

[0081] In this embodiment, by providing limiting ribs 500 in the housing 100 , the earphones 600 in the earphone holder 200 can be limited, thereby preventing the earphones 600 from falling off when the earphone box is shaken or turned over.

[0082] Optionally, two limiting ribs 500 are provided in the housing 100 , and each limiting rib 500 corresponds to limiting one earphone 600 .

[0083] The present invention further provides an earphone assembly, comprising an earphone 600 and an earphone case. The specific structure of the earphone case is similar to that of the above-described embodiments. Since the present earphone assembly utilizes all the technical solutions of all the above-described embodiments, it at least possesses all the beneficial effects brought about by the technical solutions of the above-described embodiments, and therefore will not be further detailed here. The earphone 600 is disposed within the earphone holder 200.

[0084] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present description and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An earphone box, characterized in that: include: case; An earphone holder, used for loading earphones, the earphone holder being rotatably connected to the shell; A knob, rotatably disposed on the housing and at least partially exposed on a surface of the housing; as well as A transmission structure is disposed in the housing and is transmission-connected between the knob and the earphone seat; The knob can rotate under the action of external force, driving the transmission structure to drive the earphone seat to rotate relative to the shell, so as to extend out of the shell or be received in the shell.

2. The earphone box according to claim 1, characterized in that: The transmission structure is a gear train transmission structure; the knob is provided with a tooth structure meshingly connected with the gear train transmission structure, and one end of the earphone seat is provided with a first gear meshingly connected with the gear train transmission structure.

3. The earphone box according to claim 2, characterized in that: The shell has a top surface and a side surface connected at an angle, the earphone seat is located on the side surface of the shell, and the knob is located on the top surface of the shell.

4. The earphone box according to claim 3, characterized in that: The earphone box comprises two earphone seats, which are respectively arranged on opposite sides of the shell; The gear train transmission structure is transmission-connected between the tooth structure of the knob and the two first gears of the two earphone seats, so that the two earphone seats are rotated to extend out or be received in the shell.

5. The earphone box according to claim 4, characterized in that: The housing is in a rectangular structure. The two earphone sockets are respectively arranged at diagonal positions of the shell, and the knob is located between the two earphone sockets.

6. The earphone box according to any one of claims 2 to 5, characterized in that: The gear train transmission structure comprises: A first transmission assembly, the first transmission assembly comprising a first rotating shaft disposed in the housing and a second gear disposed on the first rotating shaft, the second gear being meshed and connected with the first gear; a second transmission assembly, the second transmission assembly comprising a second rotating shaft disposed in the housing and a third gear disposed on the second rotating shaft, the third gear being meshedly connected with the tooth structure of the knob; and A reversing assembly is transmission-connected to the first transmission assembly and the second transmission assembly.

7. The earphone box according to claim 6, characterized in that: The switching assembly comprises: A first bevel gear mounted on the first rotating shaft; and The second bevel gear is mounted on the second rotating shaft, and the second bevel gear is meshed and connected with the first bevel gear.

8. The earphone box according to any one of claims 2 to 5, characterized in that: The shell is provided with a mounting opening, the knob is inserted through the mounting opening, the portion of the knob exposed outside the shell is provided with an operating convex portion, and the portion of the knob located inside the shell is provided with the tooth structure.

9. The earphone box according to any one of claims 1 to 5, characterized in that: The shell is also provided with limiting ribs for limiting the position of the earphone in the earphone seat.

10. An earphone assembly, characterized in that: It comprises an earphone and an earphone box as claimed in any one of claims 1 to 9, wherein the earphone is arranged in the earphone seat.

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