Earphone box and earphone assembly

Abstract

The application discloses an earphone box and an earphone assembly, and belongs to the technical field of communication. The earphone box comprises a box body, a cover body and a locking mechanism. The box body is provided with a cavity for accommodating earphones and an opening communicating with the cavity. The cover body is movably arranged at the opening to open or close the opening. The locking mechanism comprises a locking piece and a swing arm. The locking piece is arranged on the box body, and the swing arm is rotatably arranged on the cover body. One of the locking piece and the swing arm is provided with a locking groove, and the other is provided with a locking protrusion. When the movement acceleration of the cover body is less than a first acceleration, the swing arm is fixed relative to the cover body. When the movement acceleration of the cover body is greater than the first acceleration, the swing arm rotates relative to the cover body, and the locking protrusion extends into the locking groove to lock the cover body by the locking piece. The earphone assembly comprises the earphone and the earphone box. The earphone can be arranged in the cavity.

Description

Technical Field

[0001] This application belongs to the field of headphone technology, specifically relating to a headphone case and headphone assembly. Background Technology

[0002] With the development of technology, wireless headphones have gradually become common in people's lives and are widely favored by users because of their portability.

[0003] In existing technology, wireless earphones are usually stored in an earphone case, which includes a case body and a lid. The case body and the lid are rotatably connected. The case body has a cavity for holding the wireless earphones. When the wireless earphones are placed in the cavity, the case body can charge the wireless earphones. Flipping the lid closes the opening of the case body. However, when the charging case is dropped and hits the ground, the lid is relatively easy to rotate relative to the case body and open the opening of the case body. As a result, the wireless earphones inside the case body are also easy to fall out, affecting the user experience. Summary of the Invention

[0004] The purpose of this application is to provide an earphone case and earphone assembly that can solve the problem in related technologies where the earphones inside the earphone case easily detach from the case when it is dropped.

[0005] In a first aspect, embodiments of this application provide an earphone case, including a case body, a cover, and a locking mechanism. The case body has a cavity for accommodating earphones and an opening communicating with the cavity. The cover is movably disposed at the opening to open or close the opening.

[0006] The locking mechanism includes a locking member and a swing arm. The locking member is disposed on the housing, and the swing arm is rotatably disposed on the cover. One of the locking member and the swing arm is provided with a locking groove, and the other is provided with a locking protrusion.

[0007] When the acceleration of the cover is less than the first acceleration, the swing arm is fixed relative to the cover; when the acceleration of the cover is greater than the first acceleration, the swing arm rotates relative to the cover, and the locking protrusion extends into the locking groove so that the locking member locks the cover.

[0008] Secondly, embodiments of this application also provide an earphone assembly, including earphones and the aforementioned earphone case, wherein the earphones can be disposed within the cavity.

[0009] In this embodiment, the locking mechanism can lock the cover. Specifically, when the earphone case falls and impacts the ground, the cover experiences a significant instantaneous force. At this moment, the cover moves relative to the case, opening the opening. The unbalanced force causes the cover's acceleration to exceed the initial acceleration, rapidly increasing its instantaneous velocity relative to the case. The swing arm rotates relative to the cover due to inertia, causing the locking protrusion to extend into the locking groove, thus locking the cover. This fixes the cover's position relative to the case, preventing excessive displacement and avoiding an overly large opening that could cause the earphones to detach from the cavity. Therefore, the earphone case in this embodiment prevents the earphones from detaching when dropped, improving the user experience. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of the box and the cover disclosed in the embodiments of this application;

[0011] Figure 2 This is a schematic diagram of the structure of the headphone assembly disclosed in the embodiments of this application;

[0012] Figure 3 This is a schematic diagram of the headphone assembly structure disclosed in the embodiments of this application when the locking mechanism locks the cover;

[0013] Figure 4 This is a partial structural schematic diagram of the box body and an enlarged schematic diagram of the locking component disclosed in the embodiments of this application;

[0014] Figure 5 This is a schematic diagram of the structure of the cover and a partially enlarged schematic diagram of the locking mechanism disclosed in the embodiments of this application;

[0015] Figure 6 yes Figure 1 A schematic diagram of the locking mechanism in the shown state;

[0016] Figure 7 yes Figure 2 A schematic diagram of the locking mechanism in the shown state;

[0017] Figure 8 yes Figure 3 A schematic diagram of the locking mechanism in the shown state;

[0018] Figure 9 This is a partial structural schematic diagram of the first fixing post, the second fixing post, and the cover body disclosed in the embodiments of this application;

[0019] Figure 10 This is a schematic diagram of the swing arm structure disclosed in the embodiments of this application;

[0020] Figure 11This is a schematic diagram of the structure of the rotating shaft disclosed in the embodiments of this application;

[0021] Figure 12 This is a schematic diagram of the structure of the elastic element disclosed in the embodiments of this application;

[0022] Figure 13 This is a force analysis diagram of the swing arm when the locking mechanism does not lock the cover, as disclosed in the embodiments of this application;

[0023] Figure 14 This is a force analysis diagram of the swing arm when the locking mechanism locks the cover, as disclosed in an embodiment of this application.

[0024] Explanation of reference numerals in the attached figures:

[0025] 100 - Box body, 110 - Cavity, 120 - Opening

[0026] 200-Cover body, a-First rotation axis,

[0027] 300-Locking mechanism

[0028] 310 - Locking element, 311 - Rattle tooth, 3111 - First tooth surface, 3112 - Second tooth surface, 312 - Locking groove

[0029] 320 - Swing arm, b - Second rotation axis, 321 - Locking protrusion, 322 - Slot, 323 - Shaft hole

[0030] 330 - Elastic component, 331 - First elastic part, 332 - Sleeve part, 333 - Second elastic part

[0031] 340 - First fixed column

[0032] 350 - Second fixed column

[0033] 360-spindle

[0034] 400-headphones

[0035] A - First direction, B - Second direction. Detailed Implementation

[0036] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0037] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0038] The earphone charging case and earphone assembly provided in this application will be described in detail below with reference to the accompanying drawings and through specific embodiments and application scenarios.

[0039] Please refer to Figures 1-14 The earphone case disclosed in this application includes a case body 100, a cover 200, and a locking mechanism 300. The case body 100 has a cavity 110 and an opening 120. The cavity 110 is used to accommodate earphones 400, which are wireless earphones. The opening 120 is connected to the cavity 110. The earphones 400 can be placed in the cavity 110 through the opening 120, or can be removed from the case body 100 through the opening 120.

[0040] The cover 200 is movably disposed at the opening 120 to open or close the opening 120. Optionally, the cover 200 can be rotatably disposed at the opening 120, and the opening 120 can be opened or closed by flipping the cover 200. Further optionally, the cover 200 can be hinged to the box 100. The cover 200 can also be slidably disposed at the opening 120, and the opening 120 can be opened or closed by moving the cover 200. Further optionally, the cover 200 and the box 100 can be slidably connected by cooperating slide rails and slide grooves.

[0041] The locking mechanism 300 includes a locking element 310 and a swing arm 320. The locking element 310 is disposed on the housing 100, and the swing arm 320 is rotatably disposed on the cover 200. Optionally, such as Figure 10 As shown, the swing arm 320 is provided with a shaft hole 323; as Figures 6-8 As shown, the cover 200 is provided with a rotating shaft 360, which passes through the shaft hole 323 and is rotatably engaged with the shaft hole 323, thereby realizing the rotatable connection between the swing arm 320 and the cover 200.

[0042] One of the locking member 310 and the swing arm 320 is provided with a locking groove 312, and the other is provided with a locking protrusion 321. When the acceleration of the cover 200 is less than the first acceleration, it means that the velocity change of the cover 200 is small and the centrifugal force on the swing arm 320 is small. At this time, the swing arm 320 is fixed relative to the cover 200. When the acceleration of the cover 200 is greater than the first acceleration, that is, when the headphone box is dropped and collided, causing the cover 200 to be unbalanced, the velocity change of the cover 200 relative to the box 100 is large. The swing arm 320 rotates relative to the cover 200 under the action of inertia, and the locking protrusion 321 extends into the locking groove 312 so that the locking member 310 locks the cover 200. Optionally, the locking groove 312 can be disposed on the locking member 310, and the locking protrusion 321 can be disposed on the swing arm 320; or, the locking groove 312 can be disposed on the swing arm 320, and the locking protrusion 321 can be disposed on the locking member 310. This embodiment does not limit the structure of the locking protrusion 321 and the locking groove 312, as long as the locking protrusion 321 can extend into the locking groove 312 during the rotation of the swing arm 320 relative to the cover 200.

[0043] It should be noted that the first acceleration refers to the acceleration of the cover 200 when the earphone case is impacted during a fall. When the earphone case is dropped or even impacted, the acceleration of the cover 200 will change drastically. This change will directly cause the state of the swing arm 320 to change accordingly. Therefore, this embodiment uses the fact that the acceleration of the cover 200 is greater than the first acceleration to summarize the situation where the cover 200 opens unexpectedly. The first acceleration can be a known acceleration value, and it can refer to either motion acceleration or rotational acceleration.

[0044] In this embodiment, the locking mechanism 300 can lock the cover 200. Specifically, when the earphone case falls and hits the ground, the cover 200 is subjected to a large instantaneous force. At this time, the cover 200 will move relative to the case 100 and open the opening 120. At this time, the unbalanced force causes the acceleration of the cover 200 to be greater than the first acceleration, and the change in velocity of the cover 200 relative to the case 100 increases. The instantaneous velocity of the cover 200 increases rapidly, and the swing arm 320 will rotate relative to the cover 200 under the action of inertia, so that the locking protrusion 321 extends into the locking groove 312, thereby locking the cover 200 with the locking member 310. That is, the position of the cover 200 relative to the case 100 is fixed, preventing the displacement of the cover 200 relative to the case 100 from being too large, and avoiding the opening of the opening 120 from being too large, which would cause the earphone 400 to fall out of the cavity 110.

[0045] Therefore, the earphone case in this embodiment can prevent the earphones 400 inside from detaching from the case body 100 when it is dropped, which helps to improve the user experience.

[0046] In one optional embodiment, the cover 200 is movably disposed at the opening 120. When the moving acceleration of the cover 200 is greater than the first moving acceleration, the swing arm 320 rotates relative to the housing under the action of inertia, so that the locking protrusion 321 extends into the locking groove 312, and the locking member 310 locks the cover 200.

[0047] In another embodiment, such as Figure 9 As shown, the cover 200 has a first rotation axis a; the cover 200 is rotatably disposed at the opening 120 around the first rotation axis a. Optionally, the cover 200 has a first through hole corresponding to the position of the first rotation axis a, the axis of the first through hole being the first rotation axis a. The box 100 has a second through hole, and a cylindrical shaft passes through the first through hole and the second through hole in sequence to achieve a rotatable connection between the cover 200 and the box 100. Figure 10 As shown, the swing arm 320 has a second rotation axis b. Optionally, the swing arm 320 is provided with a shaft hole 323, and the axis of the shaft hole 323 is the second rotation axis b. The swing arm 320 is rotatably disposed on the cover 200 around the second rotation axis b. The second rotation axis b is offset from the first rotation axis a, that is, the first rotation axis a and the second rotation axis b are different axes.

[0048] When the rotational acceleration of the cover 200 is greater than the first rotational acceleration (i.e., the first acceleration mentioned above), that is, when the earphone case is dropped and collided, causing the cover 200 to rotate, since the rotation axis of the swing arm 320 is deviated from the rotation axis of the cover 200, the swing arm 320 needs to rotate with the cover 200. However, the swing arm 320 will be thrown out under the action of centrifugal force, that is, the swing arm 320 rotates relative to the cover 200, causing the locking protrusion 321 to extend into the locking groove 312, and the locking member 310 locks the cover 200.

[0049] In one alternative embodiment, such as Figure 10 As shown, the second rotation axis b is offset from the center of gravity of the swing arm 320. That is to say, the swing arm 320 itself is eccentrically set. Thus, when the earphone case is dropped and hit, causing the cover 200 to rotate, the swing arm 320 is less likely to rotate with the cover 200. The inertial centrifugal force on the swing arm 320 is increased, and the swing arm 320 is more likely to rotate relative to the cover 200 under the action of inertial centrifugal force, making it easier for the locking protrusion 321 to extend into the locking groove 312.

[0050] In optional embodiments, such as Figure 4As shown, the locking member 310 has multiple limiting teeth sequentially arranged along its edge, with two adjacent limiting teeth forming a locking groove 312. The locking member 310 is similar to a gear. A portion of the swing arm 320 serves as a locking protrusion 321. Optionally, the swing arm 320 has an elliptical shape, with the end of the elliptical structure serving as the locking protrusion 321. Of course, the swing arm 320 can also adopt other shapes. (Reference) Figure 6 As shown, the limiting tooth has a first tooth surface 3111, which forms a locking groove 312. When the locking protrusion 321 extends into the locking groove 312, the locking protrusion 321 engages with the first tooth surface 3111 in a limiting engagement. Optionally, the locking protrusion 321 makes limiting contact with the first tooth surface 3111. Thus, through the limiting engagement between the locking protrusion 321 and the first tooth surface 3111, the first tooth surface 3111 prevents the locking protrusion 321 from continuing to move relative to the locking member 310, thereby preventing the cover 200 from moving relative to the box 100 and locking the cover 200.

[0051] In this embodiment, the locking member 310 can directly use existing structural components such as gears, and the locking groove 312 can be directly formed by the limiting teeth, without the need to separately open the locking groove 312 for the locking member 310, which helps to simplify the process.

[0052] Of course, in other embodiments, the locking member 310 may not have multiple limiting teeth, and the locking member may use other structures to form the locking groove 312. The locking protrusion 321 may engage with the groove wall of the locking groove 312 to lock the cover 200.

[0053] In one embodiment, reference Figure 6 As shown, the limiting tooth is a ratchet 311, and the ratchet 311 also has a second tooth surface 3112. In two adjacent ratchets 311, the first tooth surface 3111 of one is opposite to the second tooth surface 3112 of the other, and these two tooth surfaces form a locking groove 312. When the locking protrusion 321 extends into the locking groove 312, the locking protrusion 321 and the first tooth surface 3111 are in a limiting engagement in the first direction A, and the locking protrusion 321 and the second tooth surface 3112 are in a sliding engagement in the second direction B. The cover 200 can move relative to the box 100 along the second direction B to close the opening 120. The first direction A is opposite to the second direction B.

[0054] In other words, when the headphone case is impacted and the locking protrusion 321 extends into the locking groove 312, the first tooth surface 3111 blocks the locking protrusion 321 (i.e., the swing arm 320) from moving along the first direction A with the movement of the cover 200. The locking protrusion 321 cannot move relative to the locking member 310 along the first direction A, and consequently the cover 200 cannot move along the first direction A, thus locking the cover 200. However, since the locking protrusion 321 and the second tooth surface 3112 slide in the second direction B, the second tooth surface 3112 will not block the locking protrusion 321 from moving along the second direction B. When the cover 200 moves relative to the case 100 along the second direction B, the cover 200 drives the locking protrusion 321 to move along the second direction B, and the locking protrusion 321 will not be locked in the second direction B, so that the cover 200 can smoothly close the opening 120.

[0055] Optionally, the lid 200 is rotatably disposed on the box 100 about a first rotation axis a. When the lid 200 rotates relative to the box 100 along a first direction A about the first rotation axis a, the lid 200 gradually opens the opening 120; when the lid 200 rotates relative to the box 100 along a second direction B about the first rotation axis a, the lid 200 gradually closes the opening 120. (Refer to...) Figure 5 As shown. When the earphone case is dropped and impacted, the cover 200 rotates a certain angle around the first rotation axis a in the first direction A. At this time, under the action of centrifugal force, the swing arm 320 rotates relative to the cover 200 around the second rotation axis b in the second direction B, so that the locking protrusion 321 extends into the locking groove 312. Since the ratchet 311 has a one-way engagement structure, its first tooth surface 3111 can prevent the locking protrusion 321 from rotating in the first direction A with the rotation of the cover 200, thus preventing the cover 200 from rotating in the first direction A, thereby locking the cover 200. However, when the cover 200 rotates around the first rotation axis a in the second direction B, the second tooth surface 3112 does not prevent the locking protrusion 321 from rotating in the second direction B with the rotation of the cover 200. Therefore, the locking protrusion 321 can rotate relative to the locking member 310 in the second direction B to disengage from the locking groove 312. During this process, that is, as the cover 200 rotates relative to the box 100 in the second direction B around the first rotation axis a, the locking protrusion 321 will not be locked in the second direction B, and the cover 200 gradually closes the opening 120. The first rotation axis a of the cover 200 is referenced... Figure 9 As shown, the second rotation axis b of the locking protrusion 321 is referenced. Figure 10 As shown.

[0056] In this embodiment, relying on the ratchet 311 structure of the locking member 310, the locking groove 312 can lock the swing arm 320 in one direction, that is, the locking mechanism 300 can lock the cover 200 in one direction. This is beneficial for the cover 200 to be smoothly reversed and reset after the earphone box is dropped and hit, so as to close the opening 120 again, ensuring the safety of the earphone 400 and preventing the earphone 400 from being exposed.

[0057] In other embodiments, the edge of the locking member 310 may be provided with multiple meshing teeth, and two adjacent meshing teeth form a locking groove 312. The meshing teeth here are equivalent to the meshing teeth provided in the spur gear in the prior art. In this way, after the locking protrusion 321 extends into the locking groove 312, the cover 200 cannot rotate relative to the box 100. At this time, an external force is required to act on the swing arm 320 to make the locking protrusion 321 disengage from the locking groove 312, so that the cover 200 can rotate and reset relative to the box 100.

[0058] In an optional embodiment, refer to Figures 5-8 As shown, the locking mechanism 300 also includes an elastic element 330, which is disposed on the cover 200 and connected to the swing arm 320. The elastic element 330 can drive the swing arm 320 to rotate to reset. Optionally, the elastic element 330 can be, but is not limited to, a spring. One end of the spring is connected to the swing arm 320, and the other end of the spring is connected to the cover 200. During the process of the swing arm 320 rotating relative to the cover 200 to extend into the locking groove 312, the elastic deformation generated by the elastic element 330 increases. When the swing arm 320 loses the force exerted on it by the locking groove 312, the elastic element 330 drives the swing arm 320 to rotate to reset.

[0059] With this configuration, the locking mechanism 300 is directly equipped with an elastic element 330. The elastic force of the elastic element 330 can directly drive the swing arm 320 to rotate in the opposite direction to unlock the cover 200. There is no need to rely on external force to act on the swing arm 320, making it easier for the cover 200 to rotate and reset relative to the box 100.

[0060] In optional embodiments, such as Figure 12As shown, the elastic element 330 is a torsion spring, which is a helical spring. The torsion spring includes a first elastic part 331, a sleeve part 332, and a second elastic part 333 connected in sequence. The cover 200 is provided with a first fixing post 340 and a second fixing post 350. The sleeve part 332 is sleeved on the outside of the first fixing post 340 to fix the position of the sleeve part 332. The first elastic part 331 is connected to the swing arm 320, and the second elastic part 333 is connected to the second fixing post 350. Optionally, the second fixing post 350 is provided with a slot, and the second elastic part 333 is inserted into the slot to fix the position of the second elastic part 333 relative to the cover 200. That is, the sleeve part 332 and the second elastic part 333 of the torsion spring are fixed in position relative to the cover 200, and only the first elastic part 331 moves closer to the second elastic part 333 as the swing arm 320 rotates, thereby generating elastic deformation.

[0061] In this embodiment, the sleeve portion 332 and the second elastic portion 333 of the torsion spring are both fixed relative to the cover 200. The first elastic portion 331 only needs to move closer to or further away from the second elastic portion 333 to generate angular displacement, which is beneficial to improving the connection stability of the elastic element 330 and also beneficial to improving the stability of the torsion spring in the process of driving the swing arm 320.

[0062] Of course, in other embodiments, the elastic element 330 may also be other elastic components besides a torsion spring.

[0063] Optionally, such as Figure 6 and Figure 7 As shown, when the locking protrusion 321 does not extend into the locking groove 312, the swing arm 320 is subjected to the elastic force Fk1 of the torsion spring and the supporting force Fn1 of the rotating shaft 360, as follows: Figure 13 As shown, at this time, Fk1 = Fn1, and their directions are opposite, and the swing arm 320 is in a state of force balance; when the earphone case falls and hits the ground, the cover 200 rotates rapidly relative to the case 100, and the swing arm 320 also rotates relative to the cover 200, so that the locking protrusion 321 extends into the locking groove 312, as shown. Figure 8 As shown. At this time, the swing arm 320 is subjected to the supporting forces Fm1 and Fm2 from the first tooth surface 3111 and the second tooth surface 3112 of the two adjacent ratchet teeth 311, the elastic force Fk2 from the torsion spring, and the supporting force Fn2 from the rotating shaft 360, as shown. Figure 14 As shown, the resultant force of these four forces is zero at this time, and the swing arm 320 is instantly in equilibrium. When the impact force disappears, the swing arm 320 separates from the tooth surface of the ratchet 311, that is, Fm1 and Fm2 are zero. At this time, the swing arm 320 rotates relative to the cover 200 under the action of Fk2, and the locking mechanism 300 unlocks the cover 200. The cover 200 can rotate back to close the opening 120.

[0064] Of course, if the locking protrusion 321 does not extend into the locking groove 312, the torsion spring may not produce elastic deformation, that is, the torsion spring does not apply elastic force Fk1 to the swing arm 320. At this time, the swing arm 320 can be kept in a state of force balance by relying on the supporting force of the rotating shaft 360 on the swing arm 320 and the friction.

[0065] In one alternative embodiment, the edge of the swing arm 320 may be fixedly connected to the first elastic part 331 by welding or other means.

[0066] In another embodiment, the swing arm 320 is provided with a slot 322 extending along the edge of the swing arm 320. Optionally, the slot 322 can be an annular slot. The first elastic part 331 extends into the slot 322 and abuts against the groove wall of the slot 322. During the rotation of the swing arm 320 relative to the cover 200, the swing arm 320 presses against the first elastic part 331, and the abutting position of the first elastic part 331 and the slot 322 changes, allowing the first elastic part 331 to slide along the slot 322. Using this embodiment, only the first elastic part 331 and the swing arm 320 need to abut against each other, resulting in a simple structure. This also ensures that the torsion spring can smoothly generate torque to drive the swing arm 320 to reset and accumulate force. Moreover, the slot 322 helps to limit the first elastic part 331, preventing it from moving relative to the swing arm 320 along the rotation axis of the swing arm 320.

[0067] In one optional embodiment, the number of locking mechanisms 300 is one, and the locking mechanism 300 is located on one side of the connection between the cover 200 and the box 100.

[0068] In another embodiment, the cover 200 is rotatably disposed at the opening 120 about a first rotation axis a, and the number of locking mechanisms 300 is at least two, including a first locking mechanism and a second locking mechanism, which are respectively located on opposite sides of the cover 200 in the direction of the first rotation axis a. Optionally, the first locking mechanism and the second locking mechanism are respectively located on opposite sides of the connection between the cover 200 and the housing 100 in the direction of the first rotation axis a. With this embodiment, the first locking mechanism and the second locking mechanism can lock different positions of the cover 200, preventing excessive displacement of different parts of the cover 200 relative to the housing 100, which is more conducive to locking the overall structure of the cover 200, and further prevents the opening 120 from being too large, causing the earphone 400 to detach from the cavity 110.

[0069] In an optional embodiment of this application, the housing 100 is provided with a first magnetic element, and the cover 200 is provided with a second magnetic element. When the cover 200 closes the opening 120, the first and second magnetic elements are arranged opposite to each other. Optionally, the first and second magnetic elements can be, but are not limited to, magnets with opposite magnetic properties. According to the principle of attraction between opposite magnetic poles, a magnetic attraction force is generated between the housing 100 and the cover 200. When the impact force on the earphone case is greater than the magnetic attraction force, the acceleration of the cover 200 is greater than zero. Thus, when the opening 120 of the cover 200 is only slightly open, the attraction force between the first and second magnetic elements comes into play, and the cover 200 and the housing 100 move closer together to close the opening 120. Therefore, the use of magnetic force is more conducive to the mutual attraction between the cover 200 and the housing 100, ensuring that the cover 200 can stably close the opening 120.

[0070] Of course, in other embodiments, the housing 100 may not be provided with the first magnetic component, and the cover 200 may not be provided with the second magnetic component. The earphone case may be made to keep the cover 200 continuously closed in the opening 120 through other structures. Optionally, a spring may be provided at the connection between the housing 100 and the cover 200. When the cover 200 opens the opening 120, the spring undergoes elastic deformation. When the cover 200 closes the opening 120, the spring returns to its elastic deformation.

[0071] Based on the earphone case disclosed in this application, this application embodiment also provides an earphone assembly, which includes an earphone 400 and the earphone case described in the above embodiment. The earphone case includes a housing 100 and a cover 200. The housing 100 has a cavity 110, in which the earphone 400 can be disposed. This design prevents the earphone 400 from detaching from the housing 100 when the earphone case is dropped, thus improving the user experience.

[0072] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. An earphone case, characterized in that, The device includes a housing (100), a cover (200), and a locking mechanism (300). The housing (100) has a cavity (110) for accommodating an earphone (400) and an opening (120) communicating with the cavity (110). The cover (200) is movably disposed at the opening (120) to open or close the opening (120). The locking mechanism (300) includes a locking member (310) and a swing arm (320). The locking member (310) is disposed on the box body (100), and the swing arm (320) is rotatably disposed on the cover body (200). The locking member (310) is provided with a locking groove (312), and the swing arm (320) is provided with a locking protrusion (321). When the acceleration of the cover (200) is less than the first acceleration, the swing arm (320) is fixed relative to the cover (200); when the acceleration of the cover (200) is greater than the first acceleration, the swing arm (320) rotates relative to the cover (200), and the locking protrusion (321) extends into the locking groove (312) so that the locking member (310) locks the cover (200). The locking member (310) has a plurality of limiting teeth arranged sequentially on its edge, and two adjacent limiting teeth form the locking groove (312). The limiting teeth have a first tooth surface (3111), and a part of the swing arm (320) serves as the locking protrusion (321). The limiting tooth is a ratchet (311), and the ratchet (311) also has a second tooth surface (3112). In two adjacent ratchets (311), the first tooth surface (3111) of one is opposite to the second tooth surface (3112) of the other, and the two form the locking groove (312). When the locking protrusion (321) extends into the locking groove (312), the locking protrusion (321) and the first toothed surface (3111) are engaged in a first direction (A), and the locking protrusion (321) and the second toothed surface (3112) are engaged in a second direction (B). The cover (200) can move relative to the box body (100) along the second direction (B) to close the opening (120). The first direction (A) is opposite to the second direction (B).

2. The earphone case according to claim 1, characterized in that, The locking mechanism (300) further includes an elastic element (330), which is disposed on the cover (200) and connected to the swing arm (320). When the locking protrusion (321) extends into the locking groove (312), the elastic element (330) can drive the swing arm (320) to rotate to disengage from the locking groove (312).

3. The earphone case according to claim 2, characterized in that, The elastic element (330) is a torsion spring, which includes a first elastic part (331), a sleeve part (332), and a second elastic part (333) connected in sequence. The cover (200) is provided with a first fixing post (340) and a second fixing post (350). The sleeve part (332) is sleeved on the outside of the first fixing post (340). The first elastic part (331) is connected to the swing arm (320), and the second elastic part (333) is connected to the second fixing post (350).

4. The earphone case according to claim 3, characterized in that, The swing arm (320) is provided with a slot (322), the slot (322) extends along the edge of the swing arm (320), the first elastic part (331) extends into the slot (322), and the first elastic part (331) abuts against the slot (322).

5. The earphone case according to claim 1, characterized in that, The cover (200) is rotatably disposed at the opening (120) about a first rotation axis (a), and the swing arm (320) is rotatably disposed on the cover (200) about a second rotation axis (b). When the acceleration of the cover (200) is greater than the first acceleration, the locking member (310) locks the cover (200).

6. The earphone case according to claim 1, characterized in that, The swing arm (320) is rotatably disposed on the cover (200) about a second rotation axis (b), and the second rotation axis (b) is offset from the center of gravity of the swing arm (320).

7. The earphone case according to claim 1, characterized in that, The cover (200) is rotatably disposed at the opening (120) about a first rotation axis (a). The number of locking mechanisms (300) is at least two, including a first locking mechanism and a second locking mechanism. The first locking mechanism and the second locking mechanism are respectively located on opposite sides of the cover (200) in the direction of the first rotation axis (a).

8. The earphone case according to claim 1, characterized in that, The box body (100) is provided with a first magnetic element, and the cover body (200) is provided with a second magnetic element. When the cover body (200) closes the opening (120), the first magnetic element and the second magnetic element are arranged opposite to each other.

9. An earphone assembly, characterized in that, Includes an earphone (400) and an earphone case as described in any one of claims 1-8, wherein the earphone (400) may be disposed within the cavity (110).

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