CN220965099U

CN220965099U - Earphone charging box and earphone assembly thereof

Info

Publication number: CN220965099U
Application number: CN202322528677.XU
Authority: CN
Inventors: 张清森; 陈俊灵; 韩俊俊; 黄丽斌
Original assignee: Shenzhen Lvlian Technology Co Ltd
Current assignee: Shenzhen Lvlian Technology Co Ltd
Filing date: 2023-09-15
Publication date: 2024-05-14
Anticipated expiration: 2033-09-15

Abstract

The utility model relates to the technical field of earphone charging boxes, in particular to an earphone charging box and an earphone assembly thereof. The earphone charging box comprises a box body, an upper cover capable of being covered on the box body, and two double-shaft center rotating shafts; the double-spindle rotating shaft comprises a first rotating shaft part, a second rotating shaft part and a connecting part. The first rotating shaft part is connected with one end of the connecting part, the second rotating shaft part is connected with the other end of the connecting part, and the axes of the first rotating shaft part and the second rotating shaft part are parallel. The edge of the upper cover facing the box body is provided with a shaft mounting part, a first rotating shaft part of one double-shaft rotating shaft is rotatably mounted at one end of the shaft mounting part, and a first rotating shaft part of the other double-shaft rotating shaft is rotatably mounted at the other end of the shaft mounting part; the second rotating shaft parts of the two double-shaft rotating shafts are rotatably arranged in the box body. The structural strength of the shaft installation part can be ensured, and the shaft is not easy to damage. After the upper cover is covered, the gap between the upper cover and the top edge near the mounting position of the shell shaft is small.

Description

Earphone charging box and earphone assembly thereof

Technical Field

The utility model relates to the technical field of earphone charging boxes, in particular to an earphone charging box and an earphone assembly thereof.

Background

The earphone charging box is a device for storing and charging a wireless earphone, and is usually provided with a battery and a charging interface, so that the wireless earphone can be placed in the device for charging. The earphone charging box can charge the wireless earphone at any time, so that the wireless earphone can keep sufficient electric quantity, and the wireless earphone can be better stored, and the wireless earphone is prevented from being lost.

The box body and the upper cover of the existing earphone charging box are connected in a rotating mode through a single straight shaft, and in order to install two ends of the straight shaft, an installation rubber piece is required to be arranged on the shell of the box body, and two ends of the straight shaft are installed in the installation rubber piece. In order to avoid or set up the installation glue piece, need carry out thickness to the shell of box body and throw thin, this structural strength that can lead to box body shell axle installation department reduces, leads to the damage of straight axle installation department easily after the atress. In addition, when the upper cover is opened, the top edge near the installation position of the shell shaft of the box body needs to avoid the upper cover so as to prevent interference with the upper cover, so that a larger gap is formed between the upper cover and the top edge near the installation position of the shell shaft after the upper cover is covered.

Disclosure of utility model

The technical problem to be solved by the embodiment of the utility model is to provide a headset charging box and a headset assembly thereof, so as to solve the problems that in the prior art, the structural strength of a mounting position of a housing shaft is low, the mounting position of a straight shaft is easy to damage after being stressed, and a gap between an upper cover and a top edge near the mounting position of the housing shaft is large after the upper cover is covered.

The utility model discloses an earphone charging box, which comprises a box body, an upper cover capable of being covered on the box body and two double-shaft rotating shafts, wherein the upper cover is provided with a plurality of grooves; the double-shaft-center rotating shaft comprises a first rotating shaft part, a second rotating shaft part and a connecting part;

The first rotating shaft part is connected with one end of the connecting part, the second rotating shaft part is connected with the other end of the connecting part, and the axes of the first rotating shaft part and the second rotating shaft part are parallel;

The edge of the upper cover, which faces the box body, is provided with a shaft mounting part, the first rotating shaft part of one double-shaft rotating shaft is rotatably mounted at one end of the shaft mounting part, and the first rotating shaft part of the other double-shaft rotating shaft is rotatably mounted at the other end of the shaft mounting part; the second rotating shaft parts of the two double-shaft rotating shafts are rotatably arranged in the box body.

Optionally, the box body comprises a shell and an inner support, the inner support is installed in the shell, two oppositely arranged installation bosses are arranged on the inner support, and an installation cavity is formed in each installation boss; the second rotating shaft part of one double-shaft rotating shaft is rotatably arranged in the mounting cavity of one mounting boss, and the second rotating shaft part of the other double-shaft rotating shaft is rotatably arranged in the mounting cavity of the other mounting boss.

Optionally, the earphone charging box further includes an elastic member disposed in the box body, one end of the elastic member is mounted on the shaft mounting portion, the other end of the elastic member is mounted in the box body, and the elastic member is in a compressed state so as to provide thrust for the upper cover.

Optionally, a mounting sub-portion is provided on a side of the shaft mounting portion facing the earphone accommodating cavity of the case body, a first mounting hole is penetrated through the mounting sub-portion, and one end of the elastic member is mounted in the first mounting hole.

Optionally, the box body includes shell and interior support, the interior support is installed in the shell, set up on the interior support and enclose the edge, enclose and be provided with spacing arch in the range of enclosing of edge, one end card of elastic component is limited spacing arch with enclose between the edge.

Optionally, a plurality of first protrusions are arranged at intervals on one side of the surrounding edge, which faces the limiting protrusion, of the part, which is opposite to the limiting protrusion.

Optionally, a mounting opening is formed in the edge of the housing, and the shaft mounting part is mounted in the mounting opening; the bottom of axle installation department is provided with and keeps out the sand grip, the upper cover lid closes when on the box body, keep out the sand grip shelter from the axle installation department bottom with install the clearance between the opening.

Optionally, the elastic element is a torsion spring.

Optionally, a first magnet is disposed in a side of the upper cover opposite to the shaft mounting portion, and a second magnet is disposed in the case corresponding to the first magnet.

The utility model also discloses an earphone assembly, which comprises an earphone and an earphone charging box as described above; the earphone accommodating cavity is formed in the box body, and the earphone can be placed in the earphone accommodating cavity.

Compared with the prior art, the earphone charging box provided by the embodiment of the utility model has the beneficial effects that: the earphone charging box is provided with the two double-shaft rotating shafts, the double-shaft rotating shafts are provided with the first rotating shaft part and the second rotating shaft part, the first rotating shaft part is arranged on the shaft mounting part, and the second rotating shaft part is parallel to the first rotating shaft part and is in a staggered state, so that the second rotating shaft part can be arranged in the box body, the thickness of the outer shell is thinned without arranging an installation rubber piece on the outer shell of the box body, the structural strength of the shaft mounting part can be ensured, and the earphone charging box is not easy to damage. Meanwhile, the double-shaft rotating shaft is provided with two shaft centers which are staggered, namely, the shaft centers of the first rotating shaft part and the second rotating shaft part are respectively arranged in the box body, the rotating angle of the second rotating shaft part is large when the upper cover is opened, interference with the top edge near the mounting position of the shell shaft is not easy to occur, therefore, the top edge near the mounting position of the shell shaft of the box body does not need to avoid the upper cover, and after the upper cover is covered, the gap between the upper cover and the top edge near the mounting position of the shell shaft is small.

Drawings

The technical scheme of the utility model will be further described in detail below with reference to the accompanying drawings and examples, wherein:

Fig. 1 is a schematic view of an earphone charging case according to an embodiment of the present utility model;

FIG. 2 is a schematic view of two dual-axis spindles mounted on a spindle mount according to an embodiment of the present utility model;

FIG. 3 is an exploded view of two dual spindle shafts and shaft mounting portions of an embodiment of the present utility model;

FIG. 4 is a schematic view of an embodiment of the lid and inner support of the present utility model;

FIG. 5 is a schematic illustration of an inner support according to an embodiment of the present utility model;

FIG. 6 is an enlarged partial view of portion A of FIG. 5;

fig. 7 is a sectional view of the earphone charging case in a state where the upper cover is closed in accordance with the embodiment of the present utility model;

fig. 8 is a sectional view of the earphone charging case in a state in which the upper cover is opened according to the embodiment of the present utility model;

FIG. 9 is a partial schematic view of an embodiment of the utility model with an elastic member mounted on the inner support;

fig. 10 is an exploded view of the inner support, battery, PCB board, EVA foam emulsion according to an embodiment of the present utility model.

The reference numerals in the drawings are as follows:

1. a case body; 11. a housing; 111. a mounting opening; 12. an inner support; 121. a mounting boss; 121a, a mounting cavity; 122. a surrounding edge; 122a, first protrusions; 123. a limit protrusion; 124. an earphone accommodating chamber; 2. an upper cover; 21. a shaft mounting portion; 211. a mounting sub-section; 211a, a first mounting hole; 212. resisting the raised strips; 3. a biaxial rotation shaft; 31. a first rotating shaft portion; 32. a second rotating shaft portion; 33. a connection part; 4. an elastic member; 5. a first magnet; 6. a second magnet; 7. a battery; 8. a PCB board; 81. a charging interface; 9. EVA foam latex.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. Preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 10, an embodiment of the present utility model provides an earphone charging case, and as shown in fig. 1 to 4, the earphone charging case includes a case body 1, an upper cover 2 capable of being covered on the case body 1, and two biaxial axes of rotation 3; the biaxial rotation shaft 3 includes a first rotation shaft portion 31, a second rotation shaft portion 32, and a connecting portion 33. The first rotating shaft portion 31 is connected to one end of the connecting portion 33, the second rotating shaft portion 32 is connected to the other end of the connecting portion 33, and the first rotating shaft portion 31 is parallel to the axis of the second rotating shaft portion 32. The edge of the upper cover 2 facing the box body 1 is provided with a shaft mounting part 21, a first rotating shaft part 31 of one double-shaft rotating shaft 3 of the upper cover is rotatably mounted at one end of the shaft mounting part 21, and a first rotating shaft part 31 of the other double-shaft rotating shaft 3 is rotatably mounted at the other end of the shaft mounting part 21; the second rotating shaft portions 32 of the two biaxial rotating shafts 3 are rotatably mounted in the case 1.

The box body 1 of the existing earphone charging box is rotationally connected with the upper cover 2 through a single straight shaft, and in order to install two ends of the straight shaft, an installation rubber piece is required to be arranged on the shell 11 of the box body 1, and two ends of the straight shaft are installed in the installation rubber piece. In order to avoid or set the mounting glue piece, the thickness of the outer shell 11 of the box body 1 needs to be thinned, which can lead to the reduction of the structural strength of the shaft mounting position of the outer shell 1 of the box body 1, and the damage of the straight shaft mounting position is easy to cause after stress. In addition, when the upper cover 2 is opened, the top edge near the shaft mounting position of the housing 1 of the box body 1 needs to avoid the upper cover 2 to prevent interference with the upper cover 2, so that a gap between the upper cover 2 and the top edge near the shaft mounting position of the housing 11 is larger after the upper cover 2 is covered.

The earphone charging box of the utility model is provided with two double-shaft rotating shafts 3, the double-shaft rotating shaft 3 is provided with a first rotating shaft part 31 and a second rotating shaft part 32, the first rotating shaft part 31 is installed on the shaft installation part 21, and the second rotating shaft part 32 is parallel to the first rotating shaft part 31 and is in a staggered state, so that the second rotating shaft part 32 can be installed inside the box body 1, and the thickness of the shell 11 is thinned without installing an installation glue piece on the shell 11 of the box body 1, thereby ensuring the structural strength of a shaft installation part and being not easy to damage. Meanwhile, the double-shaft rotating shaft 3 has two shaft centers which are staggered, namely the shaft centers of the first rotating shaft part 31 and the second rotating shaft part 32, the second rotating shaft part 32 is arranged in the box body 1, when the upper cover 2 is opened, the rotating angle is large, interference with the top edge near the shaft installation position of the shell 11 is difficult to occur, therefore, the top edge near the shaft installation position of the shell 11 of the box body 1 does not need to avoid the upper cover 2, and after the upper cover 2 is covered, the gap between the top edge near the shaft installation position of the upper cover 2 and the shell 11 is small.

As shown in fig. 4 to 7, the box 1 includes a housing 11 and an inner support 12, the inner support 12 is mounted in the housing 11, two oppositely arranged mounting bosses 121 are provided on the inner support 12, and a mounting cavity 121a is provided on the mounting bosses 121; the second rotating shaft portion 32 of one of the biaxial rotation shafts 3 is rotatably mounted in the mounting cavity 121a of one of the mounting bosses 121, and the second rotating shaft portion 32 of the other biaxial rotation shaft 3 is rotatably mounted in the mounting cavity 121a of the other mounting boss 121. The mounting boss 121 is arranged on the inner support 12, and the second rotating shaft part 32 is rotatably mounted in the mounting cavity 121a in the mounting boss 121, so that the structure is simple, and the assembly is convenient. Specifically, when the upper cover 2 is rotated, the second rotating shaft portion 32 is rotated in the mounting cavity 121 a. The inner holder 12 is provided with an earphone accommodating chamber 124, and when charged, the earphone is placed in the earphone accommodating chamber 124. The inner holder 12 may be fixedly mounted in the housing 11 by a snap-fit or the like.

As shown in fig. 4 and 7 to 9, the earphone charging case further includes an elastic member 4, where the elastic member 4 is disposed in the case 1, and one end of the elastic member is mounted on the shaft mounting portion 21, and the other end of the elastic member is mounted in the case 1, and the elastic member 4 is in a compressed state to provide a pushing force to the upper cover 2. The elastic piece 4 applies an extra pushing force to the upper cover 2 all the time, when the upper cover 2 is covered on the box body 1, the pushing force of the elastic piece 4 pushes the upper cover 2 to be more tightly covered on the box body 1, and when the upper cover 2 falls, the earphone in the upper cover 2 is not easy to open, so that the earphone falls out; in the process of rotating and opening the upper cover 2, the elastic piece 4 can always apply thrust to the upper cover 2, so that the upper cover 2 rotates more stably, is not easy to shake, and has higher opening speed; when the upper cover 2 is completely opened, the elastic member 4 still applies a pushing force to the upper cover 2, and the upper cover 2 can be more stably maintained in the opened state.

As shown in fig. 2 and 4, the shaft mounting portion 21 is provided with a mounting sub-portion 211 on a side facing the earphone receiving chamber 124 of the case 1, a first mounting hole 211a is penetrated through the mounting sub-portion 211, and one end of the elastic member 4 is mounted in the first mounting hole 211 a. Providing the mounting sub-portion 211 on the side of the shaft mounting portion 21 facing the earphone receiving chamber 124 of the case 1 can facilitate the mounting of the elastic member 4. Specifically, one end of the elastic member 4 is penetrated in the first mounting hole 211a, realizing that one end of the elastic member 4 is mounted on the shaft mounting portion 21.

As shown in fig. 4, 6 and 9, the inner support 12 is provided with a surrounding edge 122, a limiting protrusion 123 is arranged in the surrounding range of the surrounding edge 122, and one end of the elastic member 4 is clamped between the limiting protrusion 123 and the surrounding edge 122. In this scheme, through enclosing the formation installation space between edge 122 and spacing protruding 123, install the one end of elastic component 4 between spacing protruding 123 and edge 122, realize the purpose of elastic component 4 installation on the inner support 12. The arrangement of the surrounding edge 122 can also improve the limit of one end of the elastic piece 4, and ensure that the elastic piece 4 is more firmly and stably installed. One end of the elastic piece 4 can be bent to be clamped between the limiting protrusion 123 and the surrounding edge 122, and one end of the elastic piece 4 can slightly move between the limiting protrusion 123 and the surrounding edge 122 or can be clamped on the limiting protrusion 123. Specifically, as shown in fig. 9, the portion of the surrounding edge 122 opposite to the limiting protrusion 123 is provided with a plurality of first protrusions 122a at intervals on one side of the limiting protrusion 123, and the first protrusions 122a can further limit the space between the limiting protrusion 123 and the surrounding edge 122, so that the limitation of the elastic element 4 is improved, and the installation of the elastic element 4 is more stable. The elastic member 4 may be a torsion spring, one end of which is penetrated in the first mounting hole 211a of the mounting sub-portion 211, and the other end of which is mounted between the limiting protrusion 123 and the surrounding edge 122.

As shown in fig. 7 and 8, the rim of the housing 11 is provided with a mounting opening 111, and the shaft mounting portion 21 is mounted in the mounting opening 111; the bottom of axle installation department 21 is provided with keeps out sand grip 212, and when upper cover 2 lid was closed on box body 1, keep out sand grip 212 and shelter from the clearance between axle installation department 21 bottom and the installation opening 111, avoid earphone charging box inner structure's exposure. A first magnet 5 is arranged on one side, opposite to the shaft mounting part 21, of the upper cover 2, a second magnet 6 is arranged in the box body 1 corresponding to the first magnet 5, and when the upper cover 2 is covered, the first magnet 5 and the second magnet 6 are mutually magnetically attracted, so that the covering stability of the upper cover 2 is ensured.

Specifically, as shown in fig. 10, the earphone charging case further includes a battery 7 and a PCB board 8, and the battery 7 may be fixed on one side of the inner support 12 through EVA foam latex 9 (ethylene vinyl acetate) to supply power to the earphone charging case. The PCB 8 can be mounted on a threaded post provided on the inner support 12 by screws, and a charging interface 81 is provided on the PCB 8, and the charging interface 81 is used for charging the battery 7.

The utility model also discloses an earphone assembly, which comprises an earphone and an earphone charging box as described above; the earphone accommodating cavity 124 is formed in the box body 1, and the earphone can be placed in the earphone accommodating cavity 124. In the earphone assembly, the earphone charging box is provided with the two double-shaft rotating shafts 3, the double-shaft rotating shafts 3 are provided with the first rotating shaft part 31 and the second rotating shaft part 32, and after the first rotating shaft part 31 is installed on the shaft installation part 21, the second rotating shaft part 32 and the first rotating shaft part 31 are in a parallel staggered state, so that the second rotating shaft part 32 can be installed in the box body 1, and the thickness of the shell 11 is thinned without installing an installation rubber on the shell 11 of the box body 1, so that the structural strength of a shaft installation part can be ensured, and the earphone assembly is not easy to damage. Meanwhile, the double-shaft rotating shaft 3 has two shaft centers which are staggered, namely the shaft centers of the first rotating shaft part 31 and the second rotating shaft part 32, the second rotating shaft part 32 is arranged in the box body 1, when the upper cover 2 is opened, the rotating angle is large, interference with the top edge near the shaft installation position of the shell 11 is difficult to occur, therefore, the top edge near the shaft installation position of the shell 11 of the box body 1 does not need to avoid the upper cover 2, and after the upper cover 2 is covered, the gap between the top edge near the shaft installation position of the upper cover 2 and the shell 11 is small.

Specifically, the earphone receiving chamber 124 is provided on the inner holder 12. The earphone receiving chamber 124 may include a left ear earphone receiving chamber and a right ear earphone receiving chamber, the earphone including a left ear earphone and a right ear earphone, the left ear earphone being disposed in the left ear earphone receiving chamber and the right ear earphone being disposed in the right ear earphone receiving chamber.

It should be understood that the foregoing embodiments are merely illustrative of the technical solutions of the present utility model, and not limiting thereof, and that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art; all such modifications and substitutions are intended to be included within the scope of this disclosure as defined in the following claims.

Claims

1. The earphone charging box is characterized by comprising a box body, an upper cover capable of being covered on the box body and two double-shaft rotating shafts; the double-shaft-center rotating shaft comprises a first rotating shaft part, a second rotating shaft part and a connecting part;

2. The earphone charging case according to claim 1, wherein the case body comprises a housing and an inner support, the inner support is mounted in the housing, two oppositely arranged mounting bosses are arranged on the inner support, and a mounting cavity is formed in the mounting bosses; the second rotating shaft part of one double-shaft rotating shaft is rotatably arranged in the mounting cavity of one mounting boss, and the second rotating shaft part of the other double-shaft rotating shaft is rotatably arranged in the mounting cavity of the other mounting boss.

3. The earphone charging case according to claim 1 or 2, further comprising an elastic member provided in the case body, one end of which is mounted on the shaft mounting portion, the other end of which is mounted in the case body, and the elastic member being in a compressed state to provide a pushing force to the upper cover.

4. A headset charging case according to claim 3, wherein a mounting sub-portion is provided on a side of the shaft mounting portion facing the headset receiving chamber of the case body, a first mounting hole is perforated in the mounting sub-portion, and one end of the elastic member is mounted in the first mounting hole.

5. The earphone charging case according to claim 3, wherein the case body comprises a housing and an inner support, the inner support is mounted in the housing, a surrounding edge is arranged on the inner support, a limiting protrusion is arranged in a surrounding range of the surrounding edge, and one end of the elastic member is clamped between the limiting protrusion and the surrounding edge.

6. The earphone charging case according to claim 5, wherein a portion of the peripheral edge opposite to the limit projection is provided with a plurality of first projections at intervals on a side facing the limit projection.

7. The earphone charging case according to claim 2 or 5, wherein a mounting opening is opened at an edge of the housing, the shaft mounting portion being mounted in the mounting opening; the bottom of axle installation department is provided with and keeps out the sand grip, the upper cover lid closes when on the box body, keep out the sand grip shelter from the axle installation department bottom with install the clearance between the opening.

8. A headset charging case according to claim 3, wherein the resilient member is a torsion spring.

9. The earphone charging case according to claim 1 or 2, wherein a first magnet is provided in a side of the upper cover opposite to the shaft mounting portion, and a second magnet is provided in the case body corresponding to the first magnet.

10. A headset assembly comprising a headset, a headset charging box according to any of claims 1 to 9; the earphone accommodating cavity is formed in the box body, and the earphone can be placed in the earphone accommodating cavity.