CN-122027939-A - Earphone box and earphone assembly

Abstract

The embodiment of the invention discloses an earphone box and an earphone assembly, wherein the earphone box comprises a box main body, a connecting assembly and a box cover, the connecting assembly comprises a crank, a first connecting rod and a second connecting rod, the crank comprises a rotating end, a first connecting end and a second connecting end, the rotating end, the first connecting end and the second connecting end are arranged at intervals, the rotating end is rotationally connected with the box main body through a first rotating shaft, the first connecting rod is provided with a third connecting end and a fourth connecting end, the first connecting end is rotationally connected with the third connecting end, the fourth connecting end is rotationally connected with the second connecting rod, the second connecting rod is rotationally connected with the box main body through a second rotating shaft, the second rotating shaft is arranged at intervals with the first rotating shaft, the first connecting rod and the second connecting rod are arranged in an installation cavity, and the box cover is fixedly connected with the second connecting end, so that the connecting assembly can be hidden and protected, the working stability of the connecting assembly is enhanced, the occurrence of looseness and abnormal sound of the box cover is reduced, the movement track of the box cover is easy to control, and a user can conveniently take and place the earphone.

Inventors

• YANG CHAOYONG
• WANG CHENGYONG

Assignees

• 立讯精密工业股份有限公司

Dates

Publication Date

20260512

Application Date

20260122

Claims (20)

1. 1. An earphone box, characterized by comprising: a case body having a receiving groove for receiving the earphone, the case body having an installation cavity therein; The connecting assembly comprises a crank, a first connecting rod and a second connecting rod, wherein the crank comprises a rotating end, a first connecting end and a second connecting end, the rotating end, the first connecting end and the second connecting end are arranged at intervals, the rotating end is rotationally connected with the box main body through a first rotating shaft, the first connecting rod is provided with a third connecting end and a fourth connecting end, the first connecting end is rotationally connected with the third connecting end, the fourth connecting end is rotationally connected with the second connecting rod, the second connecting rod is rotationally connected with the box main body through a second rotating shaft, the second rotating shaft is arranged at intervals with the first rotating shaft, the first connecting rod and the second connecting rod are arranged in the mounting cavity, and The box cover is provided with a mounting groove and fixedly connected with the second connecting end, and the box cover is provided with a closing position for shielding the containing groove and an opening position for opening the containing groove when rotating around the first rotating shaft.
2. 2. The earphone pod of claim 1, wherein the pod body comprises a first housing having an opening and a second housing disposed in the opening and coupled to the first housing, the second housing having first and second sides disposed opposite one another, the receiving slot disposed in the first side of the second housing, the second side of the second housing defining the mounting cavity with the first housing; the second side of the second shell is provided with a fulcrum part, and the second connecting rod is rotationally connected with the fulcrum part through the second rotating shaft.
3. 3. The earphone pod of claim 2, wherein the first housing has a first side wall and a second side wall disposed in spaced opposition, the second housing having a mounting notch, an opening of the mounting notch being opposite the first side wall, the crank passing through the mounting notch.
4. 4. The earphone pod of claim 3, wherein the crank has a first relief groove opposite the first sidewall, the first relief groove having a first curved surface of rotation disposed about a circumference of the first axis of rotation, and wherein an upper edge of the first sidewall moves along the first curved surface of rotation in the first relief groove during rotation of the lid from the closed position to the open position.
5. 5. The earphone pod of claim 4, wherein the second side of the second housing has two shaft mounting portions disposed at intervals, the two shaft mounting portions are disposed on opposite sides of the mounting notch, respectively, the rotating end and the first connecting end are disposed between the two shaft mounting portions, the shaft mounting portions have shaft mounting holes, and both ends of the first shaft are connected to the shaft mounting holes of a corresponding one of the shaft mounting portions, respectively.
6. 6. The earphone case of claim 5, wherein each of the shaft mounting portions has a limit groove on a side opposite to the crank, the crank has a limit projection corresponding to the limit groove, the limit projection is inserted into the limit groove, and the limit projection rotates in the limit groove when the cover rotates.
7. 7. The earphone case of claim 6, wherein the rotation end is disposed on the limit bump, the shaft mounting hole is disposed on a bottom of the limit groove, and the first connection end is disposed outside the limit bump.
8. 8. The earphone pod of claim 5, wherein the first connector end has a first stop surface and the second housing has a second stop surface, the second stop surface being opposite the first stop surface when the lid is in the closed position.
9. 9. The earphone box of claim 4, wherein the first connection end has a second avoidance groove, the second avoidance groove is opposite to the first avoidance groove, the rotation end is disposed between the first avoidance groove and the second avoidance groove, and the third connection end is disposed in the second avoidance groove.
10. 10. The earphone pod of claim 9, wherein the first link has a first segment and a second segment, the third link is disposed on the first segment, the fourth link is disposed on the second segment, a predetermined angle is formed between the first segment and the second segment, and a connection portion between the first segment and the second segment has a corner portion disposed opposite to the first sidewall; One side of the second avoidance groove, which is far away from the rotating end, is provided with a limit flange, and when the box cover is positioned at the closing position, the corner part is opposite to the limit flange.
11. 11. The earphone pod of claim 10, wherein the first link has a first planar surface disposed opposite the corner portion, the first planar surface being opposite the first side wall when the lid is in the closed position.
12. 12. The earphone case of claim 4, wherein the case cover has a mounting groove, the second connection end is fixed in the mounting groove, the case cover has a second rotation curved surface extending from an edge of the mounting groove to an edge of the case cover, the second rotation curved surface is coaxially disposed with the first rotation axis and opposite to one end of the first rotation curved surface, and during rotation of the case cover from the closed position to the open position, an upper edge of the first side wall sequentially passes through the second rotation curved surface and the first rotation curved surface.
13. 13. The earphone pod of claim 4, wherein said first relief slot has a hanging recess and said lid has a rear wall; The lower edge of the rear wall being aligned with the upper edge of the first side wall when the lid is in the closed position; When the box cover is positioned at the opening position, the hanging concave part spans the first side wall, and the lower edge of the rear wall is positioned at one side of the first side wall away from the second side wall.
14. 14. The earphone pod of claim 3, wherein the second housing has a guide hole penetrating the first and second sides, the guide hole being disposed adjacent to the second side wall, the second link having a fifth connection end and a sixth connection end, the fifth connection end being rotatably connected to the fourth connection end, the connection location of the second hinge to the second link being between the fifth connection end and the sixth connection end; The lid has the locked groove, coupling assembling still includes: The locking piece is arranged in the guide hole in a penetrating way and comprises a seventh connecting end and a locking end, the seventh connecting end is arranged in the mounting cavity and connected with the sixth connecting end, and the locking end is matched with the locking groove; When the box cover is at the closing position, the locking end stretches into the locking groove; when the box cover is in the open position, the locking end is retracted into the guide hole.
15. 15. The earphone pod of claim 14, wherein said first side wall has a greater height than said second side wall, said pod body has a first end surface, said receiving slot is recessed in said first end surface, said first end surface is inclined with respect to said first side wall and said second side wall, said locking end has a beveled surface, and said beveled surface is flush with said first end surface when said lid is in the open position.
16. 16. The earphone case of claim 1, wherein the case body has a guide hole, the case cover has a locking groove, the second link has a fifth connection end and a sixth connection end, the fifth connection end is rotatably connected with the fourth connection end, and a connection position of the second rotation shaft and the second link is located between the fifth connection end and the sixth connection end; The connection assembly further includes: The locking piece is arranged in the guide hole in a penetrating way and comprises a seventh connecting end and a locking end, the seventh connecting end is arranged in the mounting cavity and connected with the sixth connecting end, and the locking end is matched with the locking groove; When the box cover is at the closing position, the locking end stretches into the locking groove; when the box cover is in the open position, the locking end is retracted into the guide hole.
17. 17. The earphone pod of any of claims 14-16, wherein a distance between the second shaft and the fifth connection is greater than a distance between the sixth connection.
18. 18. The earphone case according to any one of claims 14 to 16, wherein the sixth connection end has a connection hole which is a long hole and extends in a direction parallel to a line connecting the sixth connection end and the second rotation shaft; the connecting assembly further comprises a third rotating shaft, one end of the third rotating shaft is connected with the seventh connecting end, and the other end of the third rotating shaft is arranged in the connecting hole.
19. 19. The earphone pod of any of claims 1-16, wherein the mounting slot has a first positioning structure therein and the second connection end has a second positioning structure corresponding to the first positioning structure, the second connection end being inserted into the mounting slot, the first positioning structure being connected to the second positioning structure.
20. 20. The earphone pod of claim 19, wherein the mounting slot has a plurality of spaced apart webs, and wherein the surface of the second connecting end has a plurality of connecting slots, the extending direction of the connecting slots intersecting the extending direction of the webs.

Description

Earphone box and earphone assembly Technical Field The invention relates to the technical field of headphones, in particular to a headphone box and a headphone assembly. Background The wireless earphone forms a signal transmission path through a wireless communication protocol, so that a user gets rid of the constraint of a cable when using the earphone, and the wireless earphone is more convenient to use and carry and is favored by more and more consumers. In order to facilitate the storage and charging of the wireless earphone, an earphone box capable of charging the wireless earphone is usually matched with the wireless earphone. The main earphone charging box on the market at present adopts a hinge type cover opening structure, and a transmission connection mechanism of the main earphone charging box usually depends on a simple combination of a rotating shaft and a torsion spring. The traditional scheme has a simple structure, but in the long-term frequent opening and closing use, the problems of fatigue of the torsion spring, abrasion of the rotating shaft and the like are easy to occur, so that the opening and closing force of the box cover is uneven, abnormal sound is generated, even the box cover is loose and the like, and the use experience and the service life of the product are influenced. Disclosure of Invention Accordingly, an object of the present invention is to provide an earphone box and an earphone assembly, which are beneficial to improving the reliability of the connection mechanism between the box cover and the box body of the earphone box. In a first aspect, an embodiment of the invention provides an earphone box, which comprises a box main body, a connecting assembly and a box cover, wherein the box main body is provided with a containing groove for containing an earphone, a mounting cavity is formed in the box main body, the connecting assembly comprises a crank, a first connecting rod and a second connecting rod, the crank comprises a rotating end, a first connecting end and a second connecting end, the rotating end, the first connecting end and the second connecting end are arranged at intervals, the rotating end is rotationally connected with the box main body through a first rotating shaft, the first connecting rod is provided with a third connecting end and a fourth connecting end, the first connecting end is rotationally connected with the third connecting end, the fourth connecting end is rotationally connected with the second connecting rod, the second connecting rod is rotationally connected with the box main body through a second rotating shaft, the first connecting rod and the second connecting rod are arranged in the mounting cavity, the box cover is fixedly connected with the second connecting end, and the box cover is provided with a closing position for shielding the containing groove and an opening position for opening the containing groove when rotating around the first rotating shaft. Further, the box main body comprises a first shell and a second shell, wherein the first shell is provided with an opening, the second shell is arranged on the opening and is connected with the first shell, the second shell is provided with a first side and a second side which are arranged opposite to each other, the accommodating groove is formed in the first side of the second shell, the second side of the second shell and the first shell define a mounting cavity, the second side of the second shell is provided with a fulcrum portion, and the second connecting rod is rotationally connected with the fulcrum portion through a second rotating shaft. Further, the first shell is provided with a first side wall and a second side wall which are oppositely arranged at intervals, the second shell is provided with a mounting notch, an opening of the mounting notch is opposite to the first side wall, and the crank penetrates through the mounting notch. Further, the crank is provided with a first avoidance groove which is opposite to the first side wall, the first avoidance groove is provided with a first rotating curved surface which is arranged around the circumference of the first rotating shaft, and the upper edge of the first side wall moves along the first rotating curved surface in the first avoidance groove in the process of rotating the box cover from the closed position to the open position. Further, the second side of the second shell is provided with two rotating shaft installation parts which are arranged at intervals, the two rotating shaft installation parts are respectively arranged on two opposite sides of the installation notch, the rotating end and the first connecting end are arranged between the two rotating shaft installation parts, the rotating shaft installation parts are provided with rotating shaft installation holes, and two ends of the first rotating shaft are respectively connected with the rotating shaft installation holes of one corresponding rotating shaft install