CN219107615U

CN219107615U - Earphone charging box

Info

Publication number: CN219107615U
Application number: CN202223162166.2U
Authority: CN
Inventors: 刘熙民; 黄超
Original assignee: Shenzhen Ruier Electronic Co ltd
Current assignee: Shenzhen Ruier Electronic Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-30
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses an earphone charging box, which comprises a lower shell, a lining, a PCB and a first waterproof piece, wherein a sleeved part of the first waterproof piece covers a charging interface on the PCB, the charging interface is arranged in a containing space formed by the sleeved part and the PCB, one side of a supporting part is abutted with the end part of the charging interface, and the other side of the supporting part is abutted with the peripheral area of a charging hole, so that the charging hole and the charging interface can be isolated from the inner space of the lower shell, and the waterproof performance of the charging interface is improved.

Description

Earphone charging box

Technical Field

The utility model relates to the field of wireless earphones, in particular to an earphone charging box.

Background

With the continuous development of electronic technology, TWS (True Wireless Stereo, i.e. true wireless stereo), the functions of the earphone are also becoming more and more diversified, and TWS earphones are also becoming more and more favored by users. In addition to the function of charging, most earphone charging boxes are currently provided with a function of accommodating TWS earphones, which is indispensable for the case of charging the earphones. When the user wants to use the TWS headset, the user needs to open the headset charging box and take out the headset.

The waterproof performance of current earphone charging box is relatively poor, and after the earphone charging box was stained with water, water was easy to flow into the inside of earphone charging box along the hole that charges on the earphone charging box, and then damaged the inside circuit board of earphone charging box, led to the earphone charging box to scrap.

Disclosure of Invention

The utility model mainly aims to provide an earphone charging box, and aims to solve the problem that the waterproof performance of a charging port of the existing earphone charging box is poor.

To achieve the above object, the present utility model provides an earphone charging case comprising:

the lower shell is internally provided with a containing cavity, and a charging hole which is communicated with the containing cavity and the outside is formed in the lower shell;

the lining comprises a sealing plate covered on the accommodating cavity and a mounting frame extending from one side of the sealing plate to the accommodating cavity;

the PCB comprises a plate body arranged on the mounting frame and a charging interface arranged on the plate body;

the first waterproof piece comprises a sleeving part which is sleeved on the charging interface and is abutted with the plate body, and an abutting part which is arranged at one end of the sleeving part, wherein one side of the abutting part abuts against the peripheral area of the charging hole, and the other side of the abutting part abuts against the end part of the charging interface.

In some embodiments, the plate body is fixedly connected with the mounting frame, and one end of the sleeving part, which is abutted with the plate body, is outwards extended to be provided with a flanging, and the flanging is clamped between the mounting frame and the plate body.

In some embodiments, the charging hole is disposed at the bottom of the lower case, and a first mounting position for accommodating the charging interface is disposed at an end of the mounting frame facing the charging hole.

In some embodiments, the periphery of the sealing plate is provided with a mounting groove in which a second waterproof member is mounted, the second waterproof member being clamped between the sealing plate and the inner wall of the lower case.

In some embodiments, the lower shell is further provided with a key hole for communicating the accommodating cavity with the outside, and the inner wall of the lower shell is provided with a second sinking groove positioned at the periphery of the key hole; install the second presser towards the button hole on the mounting bracket, install the third waterproof piece in the heavy inslot of second, the third waterproof piece centre gripping is between heavy groove of second and mounting bracket.

In some embodiments, the second sink is provided with a first sink communicated with the key hole; the earphone charging box further comprises a first pressing piece, one end of the first pressing piece is arranged in the key hole, and the other end of the first pressing piece is clamped between the first sinking groove and the third waterproof piece.

In some embodiments, a propping groove is arranged on one side of the charging hole, which is close to the accommodating cavity, and a fourth protrusion propping against the propping groove is arranged on the end part of the propping part, which is far away from the sleeving part.

In some embodiments, the surface of the propping groove propping against the fourth protrusion is a first propping surface, the surface of the fourth protrusion propping against the propping groove is a second propping surface, and the first propping surface and/or the second propping surface are/is inclined surfaces.

In some embodiments, a plurality of limiting protrusions are arranged on the inner wall of the lower shell, and a guiding inclined plane for guiding the installation frame to be installed in the accommodating cavity is arranged on one side, facing the plate body and/or the installation frame, of the limiting protrusions.

In some embodiments, the limit protrusion is disposed at the periphery of the charging hole, and at least two guide slopes are opposite in orientation.

According to the earphone charging box, the earphone charging box comprises the lower shell, the inner lining, the PCB and the first waterproof piece, the sleeving part of the first waterproof piece covers the charging interface on the PCB, the charging interface is arranged in the accommodating space formed by the sleeving part and the PCB, one side of the abutting part abuts against the end part of the charging interface, and the other side abuts against the peripheral area of the charging hole, so that the charging hole and the charging interface can be isolated from the inner space of the lower shell, and the waterproof performance of the charging interface is improved.

Drawings

FIG. 1 is an exploded view of the structure of the earphone charging case of the present utility model;

fig. 2 is a schematic structural diagram of another view angle of the earphone charging case according to the present utility model;

FIG. 3 is a schematic view of the lower shell of the embodiment of FIG. 1;

fig. 4 is a cross-sectional view of the battery charging cartridge of the embodiment of fig. 1;

FIG. 5 is an enlarged view of a portion of the embodiment of FIG. 4 at the charging interface;

fig. 6 is an enlarged view of a portion of the embodiment of fig. 4 at the key hole.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				10	Lower shell	22	Mounting rack
11	Charging hole	23	First mounting position
				11a	Propping groove		24	Second mounting position
11b	A first supporting surface	30	PCB (printed circuit board)
				12	Button hole	31	Charging interface
12a	First sinking groove	41	First waterproof piece
				12b	Second sink	41a	Abutting part
13a	First protrusion	41b	Socket joint
				13b	Second protrusion	41c	Flanging edge
13c	Third protrusion	41d	Fourth protrusion
				14	Clamping protrusion	42	Second waterproof piece
21	Sealing plate	43a	Third waterproof piece
				21a	Mounting groove		43b	First pressing piece
21b	Clamping groove	43c	Second pressing piece
				41e	A second supporting surface

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made more clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The present utility model proposes a headset charging case, referring to fig. 1 to 6, comprising:

the lower shell 10, the inside of the lower shell 10 is provided with a containing cavity, and the lower shell 10 is provided with a charging hole 11 which is communicated with the containing cavity and the outside;

a liner including a sealing plate 21 covered on the accommodating chamber and a mounting frame 22 extending from one side of the sealing plate 21 to the accommodating chamber;

the PCB comprises a plate body 30 arranged on the mounting frame 22 and a charging interface 31 arranged on the plate body 30;

the first waterproof member 41 includes a sleeve portion 41b sleeved on the charging port 31 and abutting against the plate body 30, and an abutting portion 41a disposed at one end of the sleeve portion 41b, wherein one side of the abutting portion 41a abuts against the outer peripheral region of the charging hole 11, and the other side of the abutting portion 41a abuts against the end of the charging port 31.

In this embodiment, the lower case 10 is provided with an opening at one end thereof, a receiving chamber is formed therein, and the charging hole 11 may be provided at the bottom or side wall of the lower case for communicating the receiving chamber with an external space. The sealing plate 21 is disposed at the opening of the lower case 10, and a receiving groove for receiving the earphone is provided in the sealing plate 21, and extends from the surface of the sealing plate 21 to the inside of the lower case 10. The mounting frame 22 extends from the surface of the sealing plate 21 to the inside of the lower shell 10, the mounting frame 22 is located between the two accommodating grooves, the end of the mounting frame 22 is also connected with the outer wall of the accommodating groove, and the plate body 30 is fixed on one side of the mounting frame 22 through screws.

The PCB board has the shell fragment that charges that extends to the holding tank, places the earphone in the holding tank after, and the charging electrode of earphone and the shell fragment butt joint that charges, and then realize the charging of earphone. The outer wall of sealing plate 21 is provided with draw-in groove 21b, and the inner wall of inferior valve 10 opening part is provided with joint protruding 14, and the inside lining is installed in inferior valve 10, through the butt joint of joint protruding 14 and draw-in groove 21b, and then has realized the fixed connection of inside lining and inferior valve 10.

The first waterproof member 41 is made of an elastic material such as rubber, silica gel, or the like. The socket 41b has a cover shape with one end open, so that the first waterproof member 41 can be fastened to the charging port 31. The edge area of the opening of the sleeving part 41b abuts against the board 30, and after the board 30 is fixed on the mounting frame 22, the first waterproof piece 41 can be clamped between the board 30 and the mounting frame 22.

The socket joint portion 41b is provided with a supporting portion 41a towards one side of the charging interface 31, the supporting portion 41a is communicated with the inner cavity of the socket joint portion 41b, the inner wall of the supporting portion 41a inwards extends to form a circle of annular bulge, the size of the annular bulge is slightly smaller than the peripheral size of the charging interface 31, when the end portion of the charging interface 31 is inserted into the supporting portion 41a, the charging interface 31 is supported on the annular bulge, and moisture can be prevented from entering from a gap between the supporting portion and the annular bulge. After the engaging protrusion 14 is abutted with the engaging groove 21b, the first waterproof member 41 is pressed, the abutting portion 41a is compressed in the axial direction, and the abutting portion 41a abuts against the charging hole 11, so that moisture can be prevented from entering the lower case 10 from the charging hole 11.

According to the utility model, the socket joint part 41b of the first waterproof piece 41 is sleeved on the charging interface 31 on the PCB, the charging interface 31 is accommodated in the accommodating space formed by the socket joint part 41b and the board body 30, one side of the supporting part 41a is supported against the end part of the charging interface 31, the other side of the supporting part 41a is supported against the peripheral region of the charging hole 11, and the inner space of the lower shell 10 can be isolated from the outside through the interference fit of the socket joint part 41b and the charging interface 31, the interference fit of the supporting part 41a and the end part of the charging interface 31 and the interference fit between the supporting part 41a and the charging hole 11, so that the waterproof performance of the earphone charging box at the charging interface 31 is improved.

In some embodiments, referring to fig. 1 to 6, the plate 30 is fixedly connected to the mounting frame 22, and a flange 41c is disposed at an end of the socket portion 41b abutting against the plate 30 in an extending manner, and the flange 41c is clamped between the mounting frame 22 and the plate 30.

In this embodiment, the charging hole 11 is disposed at the bottom of the lower case 10, and the end of the mounting frame 22 facing the charging hole 11 is provided with a first mounting position 23 for accommodating the charging interface 31. Specifically, the first installation position 23 is a rectangular notch arranged at the edge of one end of the installation frame 22, facing the charging hole 11, a limiting plate is arranged at the edge of the rectangular notch along the direction perpendicular to the PCB, the flange 41c of the sleeving part 41b is clamped between the limiting plate and the plate body 30, and the supporting part 41a is clamped between the end part of the limiting plate and the charging hole 11, and the waterproof performance of the earphone charging box is further improved by arranging the flange 41c and the limiting plate.

In some embodiments, referring to fig. 1 to 6, a propping groove 11a is formed on one side of the charging hole 11 close to the accommodating cavity, and the propping groove 11a is positioned on the inner surface of the lower shell 10; the end of the abutting portion 41a away from the socket portion 41b is provided with a fourth projection 41d abutting against the abutting groove 11 a. By the engagement between the abutting groove 11a and the fourth protrusion 41d, the waterproof performance of the earphone charging case at the charging hole 11 can be further improved.

In the present embodiment, the surfaces of the abutting groove 11a and/or the fourth projection 41d abutting each other may be provided as inclined surfaces. Specifically, the surface of the abutting groove 11a abutting against the fourth protrusion 41d is a first abutting surface 11b, the surface of the fourth protrusion 41d abutting against the abutting groove 11a is a second abutting surface 41e, and the first abutting surface 11b and/or the second abutting surface 41e are inclined surfaces. Preferably, the first abutting surface 11b and the second abutting surface 41e are inclined surfaces.

It can be understood that, by setting the first abutting surface 11b and/or the second abutting surface 41e as inclined surfaces, when the inner liner is embedded in the lower shell 10, the first waterproof member 41 abuts against the abutting groove 41a, and the first abutting surface 11b and the second abutting surface 41e exert pressure mutually, because the first abutting surface 11b and the second abutting surface 41e are inclined surfaces, the component force of the pressure acting on the inclined surfaces promotes the fit degree between the fourth protrusion 41d and the abutting groove 41a, so that the fourth protrusion 41d and the abutting groove 41a form interference connection, and the waterproof performance of the earphone charging box at the charging hole 11 can be further improved.

In some embodiments, referring to fig. 1 to 6, the outer circumference of the sealing plate 21 is provided with a mounting groove 21a, and a second waterproof member 42 is mounted in the mounting groove 21a, and the second waterproof member 42 is clamped between the sealing plate 21 and the lower case 10. In this embodiment, the second waterproof member 42 is an elastic sealing ring, and is made of rubber or silica gel. The elastic sealing ring is clamped by the inner wall of the lower shell 10 and the peripheral wall of the sealing plate 21, so that moisture can be prevented from entering the lower shell 10 from a gap between the lower shell 10 and the sealing plate 21, and the waterproof performance of the earphone charging box is further improved.

In some embodiments, referring to fig. 1 to 6, the inner wall of the lower case 10 is provided with a plurality of limit protrusions 13 located at the outer circumference of the charging hole 11, one side of the limit protrusions 13 facing the plate body 30 and/or the mounting frame 22 is provided with guide inclined surfaces for guiding the mounting frame 22 to be mounted in the receiving cavity, and at least two guide inclined surfaces are opposite in orientation.

In the present embodiment, the limit projection 13 extends from the inner bottom surface of the lower case 10 toward the opening of the lower case 10. Preferably, the limit protrusion 13 may include first and

second protrusions

13a and 13b distributed along the length direction of the charging hole 11, and a third protrusion 13c provided at one side of a line connecting the first and

second protrusions

13a and 13 b. The mounting frame 22 and the plate body 30 form a module, and the front and rear sides of the module are limited by the three limiting protrusions 13, so that one end of the module, which is far away from the sealing plate 21, is restrained, and the situation that the first waterproof piece 41 is deviated due to falling or shaking of the earphone charging box is avoided. The three limit protrusions 13 are disposed as guide slopes toward one side of the module, and the guide slopes play a role of guiding when the module is inserted into the lower case 10, so that the module can be inserted into the receiving cavity along the guide slopes, thereby improving the accuracy of the installation of the first waterproof member 41 and ensuring the waterproof performance of the first waterproof member 41.

In some embodiments, referring to fig. 1 to 6, a key hole 12 communicating the receiving chamber with the outside is further provided on the lower case 10, and a second sink 12b located at the outer circumference of the key hole 12 is provided on the inner wall of the lower case 10; the mounting frame 22 is provided with a second pressing piece 43c facing the key hole 12, a third waterproof piece 43a is arranged in the second sinking groove 12b, and the third waterproof piece 43a is clamped between the second sinking groove 12b and the mounting frame 22.

In the present embodiment, the second sinking groove 12b is provided with a first sinking groove 12a connected to the key hole 12; the earphone charging case further includes a first pressing piece 43b, one end of the first pressing piece 43b is disposed in the key hole 12, and the other end of the first pressing piece 43b is clamped between the first sink 12a and the third waterproof piece 43 a.

Specifically, the first and second settling

grooves

12a and 12b are provided at the inner wall of the lower case 10, the first pressing piece 43b is provided in the key hole 12, the second mounting position 24 for mounting the second pressing piece 43c is provided on one side of the mounting frame 22, and one end of the first pressing piece 43b located in the lower case 10 is enlarged and restrained in the first settling groove 12 a. The third waterproof member 43a is disposed in the second sink 12b, and the third waterproof member 43a includes a fitting region, a deformation region, and a butt region nested in this order from outside to inside. The upper and lower surfaces of the attaching region and the butt-joint region are planes, the upper and lower surfaces of the deformation region are wavy surfaces, and two sides of the attaching region are respectively attached and abutted against the second sinking groove 12b, so that the key hole 12 is isolated from the inner space of the lower shell 10. The abutting area is arranged in the center, and the abutting area can be thickened because the abutting area can be subjected to larger abutting force between the first pressing piece 43b and the second pressing piece 43c in the use process. The deformation region is stretched and deformed with the movement of the first pressing piece 43b, and thus is provided with a certain stretch space for the wavy surface. The second pressing member 43c is disposed opposite to the first pressing member 43b through the third waterproof member 43a, the second pressing member 43c is a control switch connected to the PCB board, the first pressing member 43b is a button disposed in the key hole 12, an inward end of the button corresponds to the control switch, and when a pressing force is applied, the button applies a pressure to the third waterproof member 43a, so that the third waterproof member 43a presses the second pressing member 43c, and control of the PCB board is further achieved. By arranging the third waterproof piece 43a, a sealing environment is formed in the button area of the earphone charging box, so that the earphone charging box is isolated from the outside, and the waterproof performance of the earphone charging box in the button area is improved.

It should be noted that a protrusion may be further disposed in the attaching area, a groove abutting against the protrusion is disposed on the first pressing member 43b to connect the button and the third waterproof member 43a, and a certain glue may be disposed in the groove to avoid the detachment of the button and the third waterproof member 43 a.

The above description of the preferred embodiments of the present utility model should not be taken as limiting the scope of the utility model, but rather should be understood to cover all modifications, variations and adaptations of the present utility model using its general principles and the following detailed description and the accompanying drawings, or the direct/indirect application of the present utility model to other relevant arts and technologies.

Claims

1. A headset charging case, comprising:

the charging device comprises a lower shell, a charging device and a charging device, wherein a containing cavity is arranged in the lower shell, and a charging hole which is communicated with the containing cavity and the outside is formed in the lower shell;

the lining comprises a sealing plate covered on the containing cavity and a mounting frame extending from one side of the sealing plate to the containing cavity;

the first waterproof piece comprises a sleeving part which is sleeved on the charging interface and is abutted with the plate body, and a propping part which is arranged at one end of the sleeving part, one side of the propping part is propped against the peripheral area of the charging hole, and the other side of the propping part is propped against the end part of the charging interface.

2. The earphone charging case according to claim 1, wherein the plate body is fixedly connected with the mounting frame, a flange is provided to extend outwards from one end of the socket joint portion, which is abutted against the plate body, and the flange is clamped between the mounting frame and the plate body.

3. The earphone charging case according to claim 1, wherein the charging hole is provided at the bottom of the lower case, and one end of the mounting bracket facing the charging hole is provided with a first mounting position for accommodating the charging interface.

4. The earphone charging case according to claim 1, wherein a mounting groove is provided at an outer periphery of the sealing plate, a second waterproof member is mounted in the mounting groove, and the second waterproof member is clamped between the sealing plate and an inner wall of the lower case.

5. The earphone charging case according to claim 1, wherein the lower case is further provided with a key hole communicating the accommodating chamber with the outside, and the inner wall of the lower case is provided with a second countersink located at the outer periphery of the key hole; install on the mounting bracket towards the second presser of button hole, install the third waterproof piece in the second heavy inslot, the third waterproof piece centre gripping in between second heavy groove and the mounting bracket.

6. The earphone charging case of claim 5, wherein the second countersink is provided with a first countersink connected to the key hole; the earphone charging box further comprises a first pressing piece, one end of the first pressing piece is arranged in the key hole, and the other end of the first pressing piece is clamped between the first sinking groove and the third waterproof piece.

7. The earphone charging case according to any one of claims 1 to 6, wherein a propping groove is provided on a side of the charging hole close to the accommodating chamber, and a fourth protrusion propping against the propping groove is provided on an end of the propping portion away from the socket portion.

8. The earphone charging case according to claim 7, wherein a surface of the abutting groove abutting against the fourth protrusion is a first abutting surface, a surface of the fourth protrusion abutting against the abutting groove is a second abutting surface, and the first abutting surface and/or the second abutting surface is an inclined surface.

9. The earphone charging case according to claim 1, wherein a plurality of limit protrusions are provided on an inner wall of the lower case, and a guide slope for guiding the mounting frame to be fitted into the accommodating chamber is provided on a side of the limit protrusions toward the plate body and/or the mounting frame.

10. The earphone charging case of claim 9, wherein said limit projection is disposed at the outer periphery of said charging hole, and at least two of said guide slopes are opposite in orientation.