CN111757212B

CN111757212B - Earphone box and audio assembly

Info

Publication number: CN111757212B
Application number: CN202010749213.XA
Authority: CN
Inventors: 巩宪波; 张亚雄; 王晓丽
Original assignee: Goertek Techology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2022-06-21
Anticipated expiration: 2040-07-29
Also published as: CN111757212A

Abstract

The invention discloses an earphone box and an audio assembly, wherein the earphone box comprises: the earphone comprises an inner shell, an outer shell and a self-locking component, wherein a containing groove for containing the earphone is arranged on the side surface of the inner shell; the outer shell is provided with an accommodating cavity with an opening at one end, and the inner shell is movably arranged in the accommodating cavity; the auto-lock subassembly is located hold the chamber, the inner shell towards the auto-lock subassembly sets up inner shell butt portion, the auto-lock subassembly include the movable plate, connect in the buckle spare and the pull rod of movable plate, the face of movable plate is equipped with the slide rail, the slide rail has the joint point, the inner shell drives inner shell butt portion supports the pressure when the movable plate removes, the pull rod slidable extremely in the slide rail, and in the joint point is spacing fixed, or certainly the joint point is deviate from. The technical scheme of the invention can avoid using a rotating shaft and ensure the effectiveness of an opening and closing mode.

Description

Earphone box and audio assembly

Technical Field

The invention relates to the technical field of earphones, in particular to an earphone box and an audio assembly.

Background

A TWS (true Wireless earphone) headset is an earphone with Wireless connection between both ears. TWS earphones are usually placed in an earphone box, at present, the mode of opening the earphone box to take and place the earphones is an opening and closing mode of an upper flip cover and a lower flip cover, and the opening and closing cover needs to be connected with the earphone box through a rotating shaft. Repeated cover turning easily causes the abrasion of the rotating shaft, and the opening and closing mode is easy to lose efficacy.

Disclosure of Invention

Based on this, to the problem that the existing opening and closing mode of the upper and lower flip covers causes the wear of the drill and the opening and closing mode is easy to lose efficacy, it is necessary to provide an earphone box and an audio component, aiming at avoiding the wear of the rotating shaft and ensuring the effective opening and closing mode.

In order to achieve the above object, the present invention provides an earphone box, including:

the earphone comprises an inner shell, wherein a containing groove for containing the earphone is formed in the side surface of the inner shell;

the outer shell is provided with an accommodating cavity with an opening at one end, and the inner shell is movably arranged in the accommodating cavity; and

the self-locking assembly is arranged in the accommodating cavity, the inner shell faces the self-locking assembly and is provided with an inner shell abutting part, the self-locking assembly comprises a moving plate, a clamping part and a pull rod, the moving plate is connected with the clamping part and the pull rod, a sliding rail is arranged on the surface of the moving plate, the sliding rail is provided with a clamping point, the inner shell drives the inner shell abutting part to press the moving plate when moving, the pull rod can slide to the inside of the sliding rail, and the clamping point is limited and fixed or separated from the clamping point.

Optionally, the auto-lock subassembly includes the box body, the box body is located hold the bottom in chamber, the box body has installation space, the movable plate the buckle spare, and the pull rod is located in the installation space, the box body is equipped with the intercommunication installation space's mouth of crossing, inner shell butt portion certainly the mouth of crossing stretches into support in the box body and presses the movable plate.

Optionally, the self-locking assembly comprises a first elastic piece arranged in the installation space, the first elastic piece is arranged on one side, back to the bottom end of the accommodating cavity, of the moving plate, one end of the first elastic piece is connected to the box body, and the other end of the first elastic piece is connected to the moving plate.

Optionally, the through opening includes a first sliding inlet facing one end of the inner shell abutting portion and a second sliding inlet disposed on a side surface of the box body, the first sliding inlet is communicated with the second sliding inlet, and the inner shell abutting portion slides into the mounting space through the first sliding inlet and moves along the second sliding inlet to abut against the moving plate, so that the moving plate moves along an extending direction of the second sliding inlet.

Optionally, the box body includes an upper cover and a lower cover, the upper cover is buckled on the lower cover, the upper cover and the lower cover enclose the installation space, the moving plate is connected to the lower cover in a sliding manner, one end of the pull rod is connected to the lower cover in a rotating manner, and the other end of the pull rod is arranged in the slide rail.

Optionally, the clamping piece is arranged on one side, away from the bottom end of the accommodating cavity, of the moving plate, a guide portion is arranged on one side, facing the lower cover, of the clamping piece, the lower cover is provided with a guide groove corresponding to the guide portion, the guide portion is connected to the guide groove in a sliding mode, and the opening area of the guide groove is gradually reduced towards the direction of the bottom end far away from the accommodating cavity.

Optionally, the slide rail includes the initial section, first joint section, second joint section and the section that resets that end to end connect gradually, initial section first joint section the second joint section with the slope of the section that resets all risees gradually, just the terminal point end of initial section is higher than the starting point end of first joint section, the terminal point end of first joint section is higher than the starting point end of second joint section, the terminal point end of second joint section is higher than the starting point end of the section that resets, the terminal point end of the section that resets is higher than the starting point end of initial section, first joint section with the hookup location of second joint section forms the joint point.

Optionally, the earphone box further includes a second elastic member, and the second elastic member is disposed on one side of the bottom end of the inner shell facing the containing cavity.

Optionally, the earphone box includes a plurality of guiding members, the inner case is provided with guiding grooves corresponding to the guiding members, and the guiding members are disposed at the bottom end of the accommodating cavity.

In addition, in order to achieve the above object, the present invention further provides an audio component, where the audio component includes an earphone and the earphone box as described above, and the receiving slots include two receiving slots, and the two receiving slots are disposed on two opposite sides of the inner shell in an interlaced manner.

According to the technical scheme, when the earphones are stored, the earphones are placed in the containing groove, the inner shell is placed in the containing cavity of the outer shell, the inner shell is pressed, and the inner shell moves towards the bottom end of the containing cavity. The inner shell butt portion of inner shell supports and presses the movable plate to hold the bottom in chamber and remove. When the movable plate moves, the pull rod moves along the sliding rail, and the pull rod is clamped at the clamping point, so that the movable plate is hooked by the pull rod, and the movable plate cannot move towards the bottom end deviating from the accommodating cavity. The buckling piece blocks the abutting part of the inner shell, the inner shell is limited in the containing cavity of the outer shell, the inner shell is locked, and the containing groove is shielded by the outer shell. When taking the earphone, press the inner shell once more, the inner shell removes to the bottom that holds the chamber once more, and the inner shell butt portion of inner shell supports once more and presses the movable plate to holding the chamber and removing, and the pull rod continues to remove along the slide rail, and the pull rod breaks away from in the joint. Buckle spare avoids inner shell butt portion this moment, and the inner shell can be in holding the intracavity free activity, realizes shifting out the unblock that holds the chamber to the inner shell, holds the groove and exposes under external environment, from holding the inslot completion earphone of taking. Through the mode of this kind of inner shell and shell lock, can avoid using the pivot, avoid the pivot wearing and tearing then to can guarantee the validity of the mode of opening and shutting.

Drawings

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

Fig. 1 is a schematic structural diagram of an embodiment of an earphone box according to the present invention;

FIG. 2 is a schematic structural view of the inner shell of FIG. 1;

FIG. 3 is a schematic view of the housing of FIG. 1;

FIG. 4 is a schematic structural view of the self-locking assembly of FIG. 1;

FIG. 5 is a schematic view of the structure of FIG. 4 with the upper cover opened;

FIG. 6 is an exploded view of the self-locking assembly of FIG. 4;

FIG. 7 is a schematic structural view of the lower cover of FIG. 4;

FIG. 8 is a schematic view of the structure of the moving plate of FIG. 4;

fig. 9 is a schematic view of the self-locking assembly shown in fig. 1 from another perspective.

The reference numbers illustrate:

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

Detailed Description

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

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

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

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

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

A TWS earphone is an earphone which realizes wireless connection between two ears. TWS earphones are usually placed in an earphone box, at present, the mode of opening the earphone box to take and place the earphones is an opening and closing mode of an upper flip cover and a lower flip cover, and the opening and closing cover needs to be connected with the earphone box through a rotating shaft. Repeated cover turning easily causes the abrasion of the rotating shaft, and the opening and closing mode is easy to lose efficacy.

Therefore, in order to solve the above problems, the present invention provides an earphone box, as shown in fig. 1 to 3, the earphone box includes: inner shell 10, outer shell 20 and self-locking assembly 30. The inner shell 10 is arranged in the outer shell 20, and the self-locking assembly 30 can connect and lock the inner shell 10 and the outer shell 20 together.

The side of the inner case 10 is provided with a receiving groove 110 for receiving the earphone 50; typically, the headset 50 includes two, one for the left ear and one for the right ear when worn for use. The shape of the inner wall of the receiving groove 110 matches the outer shape of the earphone 50. In order to enable a more secure placement of the earphone 50, the receiving groove 110 and the earphone 50 may be provided with a tight fit. In addition, since the earphone 50 itself has a certain length, in order to allow the inner case 10 to receive the earphone 50, the two earphones 50 are usually staggered on opposite sides of the inner case 10. In this way, the installation space of the inner case 10 can be saved. Of course, the receiving grooves 110 may be provided on the same side of the inner case 10.

The outer shell 20 is provided with a containing cavity 210 with one open end, and the inner shell 10 is movably arranged in the containing cavity 210; the inner case 10 can be accommodated in the outer case 20 by the accommodation function of the accommodation chamber 210, and the outer case 20 can cover the notch of the accommodation groove 110, so that the earphone 50 can be stored in the accommodation groove 110, and the earphone 50 is prevented from falling. When taking out the earphone 50, the receiving groove 110 is exposed to the external environment by drawing the inner case 10 out of the receiving cavity 210, whereby the earphone 50 can be taken out of the receiving groove 110.

Referring to fig. 4 and 5, the self-locking assembly 30 is disposed in the accommodating cavity 210, the inner shell 10 faces the self-locking assembly 30 and is provided with an inner shell abutting portion 121, the self-locking assembly 30 includes a moving plate 310, a locking member 330 connected to the moving plate 310, and a pull rod 340, and a slide rail 320 is disposed on a surface of the moving plate 310. Referring to fig. 8, the slide rail 320 has a clamping point 325, and when the inner housing 10 drives the inner housing abutting portion 121 to press the moving plate 310 to move, the pull rod 340 can slide into the slide rail 320 and is limited and fixed at the clamping point 325, so that the inner housing 10 is fixed in the outer housing 20 to complete locking. Pressing the inner shell 10 again, the inner shell 10 moves to the bottom end of the accommodating cavity 210 again, the inner shell abutting part 121 presses the moving plate 310 to move to the bottom end of the accommodating cavity 210, and the pull rod 340 slides to release the clamping point 325, so that the moving plate 310 is not limited by the pull rod 340, the moving plate 310 can move to the bottom end deviating from the accommodating cavity 210, and the clamping piece 330 avoids the inner shell abutting part 121. The inner shell 10 can be moved away from the outer shell 20 to complete the unlocking. The movable plate 310 is provided with an inclined surface corresponding to the inner shell abutting portion 121, and the inner shell abutting portion 121 abuts against the movable plate 310 corresponding to the inclined surface, so that the movable plate 310 is moved under stress.

In the solution proposed in this embodiment, when the earphone 50 is received, the earphone 50 is placed in the receiving groove 110, the inner housing 10 is placed in the receiving cavity 210 of the outer housing 20, and the inner housing 10 is pressed, so that the inner housing 10 moves toward the bottom end of the receiving cavity 210. The inner housing abutting portion 121 of the inner housing 10 presses the moving plate 310 to move toward the bottom end of the accommodating chamber 210. When the moving plate 310 moves, the pull rod 340 moves along the slide rail 320, and the pull rod 340 is clamped to the clamping point 325, so that the pull rod 340 hooks the moving plate 310, and the moving plate 310 cannot move towards the bottom end away from the accommodating cavity 210. At this time, the latch 330 blocks the inner housing abutting portion 121, the inner housing 10 is confined in the receiving cavity 210 of the outer housing 20, the inner housing 10 is locked, and the receiving groove 110 is blocked by the outer housing 20. When the earphone 50 is taken, the inner case 10 is pressed again, the inner case 10 moves to the bottom end of the accommodating cavity 210 again, the inner case abutting portion 121 of the inner case 10 presses the moving plate 310 to move to the accommodating cavity 210 again, the pull rod 340 continues to move along the slide rail 320, and the pull rod 340 is separated from the clamping point 325. At this time, the locking member 330 avoids the inner housing abutting portion 121, the inner housing 10 can move freely in the accommodating cavity 210, so as to unlock the inner housing 10, move the inner housing 10 out of the accommodating cavity 210, expose the accommodating cavity 110 in the external environment, and finish taking the earphone 50 from the accommodating cavity 110. Through the buckling mode of the inner shell 10 and the outer shell 20, the use of a rotating shaft can be avoided, and then the abrasion of the rotating shaft is avoided, so that the effectiveness of the opening and closing mode can be ensured.

In the above embodiment, the self-locking assembly 30 includes a box body (not labeled), the box body is disposed at the bottom end of the accommodating cavity 210, the box body has an installation space, the moving plate 310, the locking member 330, and the pull rod 340 are disposed in the installation space, the box body is provided with an opening 390 communicating with the installation space, and the inner shell abutting portion 121 extends into the box body from the opening 390 to press the moving plate 310. The case provides an installation space for installing the moving plate 310, the latch 330, and the pull rod 340. The fastener 330 includes a fastening portion 331, a groove 120 is disposed at the bottom end of the inner shell 10, and an inner shell abutting portion 121 is disposed in the groove 120. The pull rod 340 slides to the clamping point 325, the buckling part 331 moves to block the through hole 390 to block the inner shell abutting part 121, and the earphone 50 box is in a locking state; the pull rod 340 slides out of the engaging point 325, the engaging portion 331 avoids the inner housing abutting portion 121, and the earphone 50 box is in an unlocked state. The box body comprises an upper cover 380 and a lower cover 350, a buckling part 331 protrudes towards the upper cover 380, the buckling part 331 can move to block the through hole 390 under the driving of the moving plate 310, because one end of the pull rod 340 is positioned at the clamping point 325, the pull rod 340 completes the fixing of the moving plate 310, the moving plate 310 cannot move towards the bottom end direction away from the accommodating cavity 210, and under the condition that the moving plate 310 cannot move, the buckling part 331 of the buckling piece 330 also cannot move. In this way, the inner case contact portion 121 of the inner case 10 is blocked in the installation space, the inner case 10 cannot move, and the earphone box is locked. When the inner shell 10 is pressed again, the pull rod 340 continues to move along the rail, the pull rod 340 returns to the initial state, and the pull rod 340 is separated from the clamping point 325, so that the force cannot be applied to the moving plate 310. The moving plate 310 can move towards the direction away from the bottom end of the accommodating cavity 210, and the buckling part 331 is away from the upper cover 380, so that the inner shell 10 can be separated from the accommodating cavity 210 and slide out, and the earphone box is in an unlocked state.

In the above embodiment, referring to fig. 6, the self-locking assembly includes a first elastic member 370 disposed in the installation space, the first elastic member 370 is disposed on a bottom end side of the moving plate 310 facing away from the accommodating cavity 210, one end of the first elastic member 370 is connected to the box body, and the other end of the first elastic member 370 is connected to the moving plate 310. The case includes an upper cover 380 and a lower cover 350, wherein the first elastic member 310 may be connected to the upper cover 380 and also connected to the lower cover 350. For example, one end of the first elastic member 370 is connected to the lower cover 350, the other end of the first elastic member 370 is connected to the moving plate 310, one end of the pull rod 340 is rotatably connected to the lower cover 350, and the other end of the pull rod 340 is disposed on a slide rail. Wherein, both ends of the pull rod 340 are hook-shaped, the lower cover 350 is fixed at the bottom end of the accommodating cavity 210, and one end of the pull rod 340 is rotatably connected to the lower cover 350, so that it can be understood that one end of the pull rod 340 is rotatably connected to the bottom end of the accommodating cavity 210, and one end of the pull rod 340 cannot be separated from the bottom end of the accommodating cavity 210. When the pull rod 340 is at the snap point 325, the first elastic member 370 is extended due to the movement of the moving plate 310, the first elastic member 370 generates a deforming elastic force, and when the other end of the pull rod 340 is separated from the snap point 325, the moving plate 310 moves away from the bottom end of the accommodating cavity 210 under the deforming elastic force of the first elastic member 370. The first elastic element 370 is a spring, two ends of the first elastic element 370 are provided with circular rings, the moving plate 310 is provided with a first fixed column 311, the lower cover 350 is provided with a second fixed column 352, one end of the first elastic element 370 is sleeved on the first fixed column 311, and the other end of the second elastic element 40 is sleeved on the second fixed column 352.

In the above embodiment, the opening 390 includes the first slide inlet and the second slide inlet 391 facing one end of the inner housing abutting portion 121 and the second slide inlet 392 disposed at the side of the case, the first slide inlet 391 communicates with the second slide inlet 392, and the inner housing abutting portion 121 slides into the installation space at the first slide inlet 391 and moves along the second slide inlet 392 to press the moving plate 310, so that the moving plate 310 moves along the extending direction of the second slide inlet 392. It will be appreciated that the second slide-in port 392 has a guiding function to ensure that the inner housing abutment 121 moves in the direction of the entrance and exit of the receiving chamber 210.

In the above embodiment, the box body includes the upper cover 380 and the lower cover 350, the upper cover 380 is fastened on the lower cover 350, the upper cover 380 and the lower cover 350 enclose an installation space, the moving plate 310 is slidably connected to the lower cover 350, one end of the pull rod 340 is rotatably connected to the lower cover 350, and the other end of the pull rod 340 is disposed in the slide rail 320. The lower cover 350 is provided with a guide rail facing the moving plate 310, and the moving plate 310 is provided on the guide rail, so that the moving plate 310 is reciprocally slid along the lower cover. In addition, the pressing limiting function of the upper cover 380 on the pull rod 340 ensures that the pull rod 340 moves in the same plane, and the pull rod 340 is prevented from separating from the slide rail 320.

Referring to fig. 6 and 7, the self-locking assembly 30 further includes a lower cover 350, the moving plate 310 is slidably connected to the lower cover 350, the locking member 330 is disposed on one side of the moving plate 310, which is away from the bottom end of the accommodating cavity 210, the locking member 330 is disposed on one side of the moving plate 310, which faces the moving plate 310, and is provided with a guide portion 332, the lower cover 350 is provided with a guide groove 351 corresponding to the guide portion 332, the guide portion 332 is disposed in the guide groove 351, and an opening area of the guide groove 351 gradually decreases toward the bottom end far away from the accommodating cavity 210. The locking member 330 has a certain elasticity, or the locking member 330 is movably connected to the moving plate 310, and the direction of decreasing the opening area of the guide groove 351 is gradually away from the upper cover 380. During the moving process of the moving plate 310, the moving plate brings the latch 330 to move, and the guide portion 332 slides in the guide groove 351, so that the guide portion 332 approaches or leaves the upper cover 380. The engaging portion 331 also moves closer to or away from the upper cover 380 in synchronization with the sliding of the guide portion 332 along the guide groove 351, so that the engaging portion 331 completes the locking or unlocking of the inner housing abutting portion 121.

In the above embodiment, referring to fig. 9, the self-locking assembly 30 further includes a limiting member 360, the limiting member 360 is disposed at the bottom end of the guiding groove 351 close to the accommodating cavity 210, and the limiting member 360 is disposed at a side of the fastening member 330 opposite to the upper cover 380. The opening area of the guide groove 351 in the direction of the bottom end near the accommodating chamber 210 is large, and it is difficult to ensure the accuracy of the sliding direction of the guide portion 332 when the guide portion 332 slides in the guide groove 351. Therefore, the limiting member 360 is disposed on a side of the locking member 330 opposite to the upper cover 380, so that when the guiding portion 332 slides in the guiding groove 351, the locking member 330 is blocked by the limiting member 360, and the guiding portion 332 can only move back and forth in a single back and forth direction by the blocking force of the limiting member 360, thereby ensuring that the locking portion 331 is close to or away from the upper cover 380.

Referring to fig. 8 again, the slide rail 320 includes an initial section 321, a first clamping section 322, a second clamping section 323, and a reset section 324 connected end to end in sequence, where the slopes of the initial section 321, the first clamping section 322, the second clamping section 323, and the reset section 324 are all gradually increased, and an end point of the initial section 321 is higher than a start point of the first clamping section 322, an end point of the first clamping section 322 is higher than a start point of the second clamping section 323, an end point of the second clamping section 323 is higher than a start point of the reset section 324, an end point of the reset section 324 is higher than a start point of the initial section 321, and a clamping point 325 is formed at a connection position of the first clamping section 322 and the second clamping section 323. Therefore, the slide rail 320 makes the pull rod move in one direction, the end point of each segment is higher than the start point of the previous segment, and if the pull rod 340 slides in the opposite direction, the pull rod will abut against the wall surface of the previous segment, and the sliding cannot be continued. Therefore, the pull rod 340 is ensured to slide in a single direction, and the pull rod 340 can be ensured to move in a single direction smoothly under the action of pressing the inner shell 10 each time, so that the pull rod 340 is accurately clamped on the clamping point 325 or is accurately separated from the clamping point 325.

In the above embodiment, the self-locking assembly 30 further includes the upper cover 380, the upper cover 380 is fastened to the lower cover 350, the assembling manner of the self-locking assembly 30 can be simplified by the fastening manner, and the self-locking assembly 30 is also easily disassembled and assembled. In addition, the earphone 50 box includes a fixing plate 70, the fixing plate 70 is disposed at the bottom end of the accommodating cavity 210, a fixing space is formed between the two fixing plates 70, and the self-locking assembly 30 is installed in the fixing space, wherein the fixing mode may be a snap mode, or a glue dispensing mode, or a screw fixing mode.

In the above embodiment, referring to fig. 2 again, the earphone 50 box further includes the second elastic member 40, and the second elastic member 40 is disposed on the bottom end side of the inner casing 10 facing the accommodating cavity 210. Wherein, the bottom at inner shell 10 corresponds second elastic component 40 and sets up mounting hole 140, second elastic component 40 is located in mounting hole 140, accomplish the back of locking at inner shell 10, second elastic component 40 is under compression deformation state, inner shell 10 is after the unblock, deformation is replied to second elastic component 40, inner shell 10 can pop out fast under the effect of second elastic component 40 restoring force and hold chamber 210, thereby it takes earphone 50 to do benefit to the user more quick, it is also more laborsaving that the user simultaneously, needn't hard to remove and draw inner shell 10.

In the above embodiment, referring to fig. 3 again, the earphone 50 case includes a plurality of guide members 60, the inner case 10 is provided with guide grooves 130 corresponding to the guide members 60, and the guide members 60 are disposed at the bottom end of the accommodating cavity 210. When the inner shell 10 slides in the accommodating cavity 210, the guide slot 130 is aligned with the guide member 60 to slide, so as to ensure that the inner shell abutting portion 121 of the inner shell 10 can be accurately clamped to the self-locking assembly 30. The guide 60 may be plate-shaped, column-shaped, or other anisotropic structure. The position of the guide member 60 and the self-locking assembly 30 is fixed, and the inner shell 10 enters the accommodating cavity 210 along the guide member 60, so that the inner shell abutting part 121 can be accurately clamped on the self-locking assembly 30. For example, the guiding element 60 and the self-locking assembly 30 are located at the bottom end of the accommodating cavity 210 in a mutually perpendicular orientation, so that the guiding element 60 can smoothly slide along the guiding slot 130, and the inner shell abutting portion 121 can be ensured to accurately correspond to the self-locking assembly 30. In addition, it should be noted that, in order to lock the inner housing 10 more firmly, the self-locking assembly 30 includes two, the guide member 60 includes two sets, each set includes two guide members 60, and a connecting line between the two sets of guide members 60 and a connecting line between the two self-locking assemblies 30 are perpendicular to each other.

The invention also provides an audio component, which comprises an earphone and the earphone box, wherein the two accommodating grooves are arranged on the two opposite sides of the inner shell in a staggered manner. The staggered arrangement of the containing grooves can effectively save the installation space.

The specific implementation of the audio component of the present invention refers to the above embodiments of the earphone box, and is not described herein again.

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

Claims

1. An earphone box, comprising:

the self-locking assembly is arranged in the accommodating cavity, the inner shell is provided with an inner shell abutting part facing the self-locking assembly, the self-locking assembly comprises a moving plate, a clamping part connected to the moving plate and a pull rod, the surface of the moving plate is provided with a slide rail, the slide rail is provided with a clamping point, and when the inner shell drives the inner shell abutting part to abut against and press the moving plate to move, the pull rod can slide into the slide rail and is limited and fixed at the clamping point or separated from the clamping point;

the self-locking assembly comprises a box body, the box body is arranged at the bottom end of the accommodating cavity, the box body is provided with an installation space, the moving plate, the clamping piece and the pull rod are arranged in the installation space, the box body is provided with a through opening communicated with the installation space, and the abutting part of the inner shell extends into the box body from the through opening and presses against the moving plate;

the box body comprises an upper cover and a lower cover, the upper cover is buckled on the lower cover, the upper cover and the lower cover enclose to form the installation space, the movable plate is connected to the lower cover in a sliding mode, one end of the pull rod is connected to the lower cover in a rotating mode, and the other end of the pull rod is arranged in the sliding rail;

the clamping piece is arranged on one side, away from the bottom end of the accommodating cavity, of the moving plate, the clamping piece is provided with a guide portion facing one side of the lower cover, the lower cover is provided with a guide groove corresponding to the guide portion, the guide portion is connected to the guide groove in a sliding mode, and the opening area of the guide groove is gradually reduced towards the direction of the bottom end far away from the accommodating cavity.

2. The earphone box of claim 1, wherein the self-locking assembly comprises a first elastic member disposed in the installation space, the first elastic member is disposed on a side of the moving plate opposite to the bottom end of the containing cavity, one end of the first elastic member is connected to the box body, and the other end of the first elastic member is connected to the moving plate.

3. The earphone box of claim 2, wherein the through opening comprises a first slide-in opening facing one end of the inner casing abutting portion and a second slide-in opening arranged on a side surface of the box body, the first slide-in opening is communicated with the second slide-in opening, and the inner casing abutting portion slides into the installation space through the first slide-in opening and moves along the second slide-in opening to abut against the moving plate, so that the moving plate moves along an extending direction of the second slide-in opening.

4. The earphone box according to any one of claims 1-3, wherein the slide rail comprises an initial section, a first clamping section, a second clamping section, and a reset section that are sequentially connected end to end, wherein the slopes of the initial section, the first clamping section, the second clamping section, and the reset section are gradually increased, the end point of the initial section is higher than the start point of the first clamping section, the end point of the first clamping section is higher than the start point of the second clamping section, the end point of the second clamping section is higher than the start point of the reset section, the end point of the reset section is higher than the start point of the initial section, and the connection position of the first clamping section and the second clamping section forms the clamping point.

5. The earphone box according to any of claims 1-3, further comprising a second elastic member disposed on a bottom end side of the inner case facing the receiving cavity.

6. The earphone box according to any of claims 1-3, wherein the earphone box comprises a plurality of guide members, wherein the inner case is provided with guide grooves corresponding to the guide members, and the guide members are disposed at the bottom end of the accommodating cavity.

7. An audio assembly, wherein the audio assembly comprises an earphone and the earphone case as defined in any one of claims 1 to 6, and the receiving slots comprise two receiving slots, and the two receiving slots are alternately disposed on two opposite sides of the inner case.