CN111866648B - Earphone waterproof structure, in-ear earphone and processing method - Google Patents

Abstract

The invention relates to an earphone waterproof structure and an in-ear earphone, comprising an earphone rear shell, the upper end of the earphone rear shell is vertically connected with the earphone front shell, the end of the earphone front shell is integrally formed with an end sealing sleeve, the earphone front shell and the end The top sealing sleeve is arranged vertically, the connection between the front shell of the earphone and the end sealing sleeve is provided with a middle partition plate, and the upper end of the back shell of the earphone is provided with a 45-degree assembling bevel matching with the middle partition plate. The front shell is detachably installed on the back shell of the earphone, the rear shell of the earphone and the front shell of the earphone are designed in an L shape, and the other end of the front shell of the earphone is detachably installed with a headphone head, and the end of the headphone head is detachably installed. Sleeve features silicone eartip sleeves. The invention also discloses an in-ear processing method. Beneficial effects of the present invention: through the design of the shell and structure of the product, the most tight and closed waterproof and steam-proof effects are achieved. Usually, the waterproof level of this method is higher, reaching the level of IPX7.

Description

Waterproof structure of earphone, in-ear earphone and processing method

technical field

The invention relates to an earphone waterproof structure, an in-ear earphone and a processing method, and belongs to the technical field of earphone manufacturing.

Background technique

Water has always been the natural enemy of many headphones. Many early in-ear headphones have been applied to waterproofing for sports and sweat resistance, and later, such as SONY NWD products. Then there are water sports. In addition to swimming, which has extremely high requirements for waterproofing, exciting projects such as surfing and speedboats need surging music to add to the fun. At least the powerful earphone field should also make up for the product gap in these sports. Therefore, the existence of waterproof headphones with a high degree of protection is necessary.

SUMMARY OF THE INVENTION

According to the above deficiencies in the prior art, the technical problem to be solved by the present invention is: in order to solve one of the above problems, a waterproof structure for earphones, an in-ear earphone and a processing method are provided.

The earphone waterproof structure and the in-ear earphone according to the present invention are characterized by comprising an earphone rear shell, the upper end of the earphone rear shell is vertically connected with the earphone front shell, the end of the earphone front shell is integrally formed with an end sealing sleeve, and the earphone The front shell and the end sealing sleeve are arranged vertically, the connection between the earphone front shell and the end sealing sleeve is provided with a middle partition plate, and the upper end of the earphone rear shell is provided with a 45-degree assembling bevel matching with the middle partition plate. The upper end of the earphone is plugged into the end sealing sleeve, and the earphone front shell is detachably installed on the earphone rear shell through the end sealing sleeve. The other end is detachably installed with a headphone head, the center of the headphone head has a sound outlet hole, and the end of the headphone head is covered with a silicone earplug cover.

Preferably, the back shell of the earphone includes a hollow rear shell body, the cross section of the rear shell shell is circular, the top of the rear shell shell is open, and the bottom end is integrally formed with a bottom end plate. There is a waterproof charging hole in the center of the end plate, and a battery rack is arranged in the rear shell along its length direction. The battery rack is mounted with a circuit board and a battery. The frame has a 45-degree assembling inclined plane matched with the middle partition plate.

Preferably, the earphone front shell is a hollow structure with a circular cross-section, the end sealing sleeve is a hollow structure with a circular cross-section, and the earphone front shell, the end sealing sleeve and the middle partition are all plastic materials , One-piece injection molding, the center of the middle partition plate has a threading hole.

Preferably, the earphone head includes a speaker installation cavity at the rear of the insertion sleeve, a speaker is installed in the speaker installation cavity, a sound outlet hole is formed in the center of the insertion sleeve, and a silicone rubber is detachably installed at the front end of the sound outlet hole. Earplug sleeve, the right end of the insert sleeve has an external thread, the inner wall of the earphone front shell is provided with an internal thread that matches the external thread, and the inner wall of the earphone front shell also has a boss A, which is inserted into the sleeve. There is a boss B in the middle part, and there is a first sealing ring between the boss A and the boss B.

Preferably, the silicone earplug sleeve includes an elastic outer sleeve, the elastic outer sleeve has an inner support sleeve, an outer wall of one end of the inner support sleeve is connected with one end of the elastic outer sleeve, and the inner wall of the other end of the inner support sleeve is provided with an elastic limiter One end of the inner support sleeve is flush with one end of the elastic outer sleeve, and the other end of the inner support sleeve is shorter than the length of the elastic outer sleeve. The outer end of the sleeve is provided with a groove matched with the elastic limiting collar, and the inner support sleeve, the elastic outer sleeve and the elastic limiting collar are all made of silica gel and are integrally formed.

Preferably, a sealing plug ring is arranged on the right side of the middle partition plate, a plug plug is arranged at the center of the middle partition plate, and an annular ring matched with the sealing plug ring is arranged on the left side of the top seal. The groove, the socket body matched with the plug-in plug, the plug-in plug is electrically connected to the speaker through the first wire, the socket body is electrically connected to the circuit board through the second wire, and the circuit board is electrically connected to the battery through the third wire.

Preferably, the battery holder is a hollow structure with a circular cross-section, the upper end of which is integrally formed with the top sealing member, and the lower end is open, the outer diameter of the battery holder fits with the inner diameter of the rear shell with a small gap, and the battery The interior of the frame is provided with an inner baffle along its length direction, a circuit board is installed on the first side of the inner baffle, and a battery is installed on the second side of the inner baffle.

Preferably, the outer wall of the rear shell is in interference fit with the inner wall of the end sealing sleeve, and an outer wall groove is formed on the mating surface of the rear shell outer shell and the end sealing sleeve, and the outer wall groove is installed in the outer wall groove. There is an outer wall sealing ring.

Preferably, the battery is a rechargeable battery, which can be charged through the waterproof charging hole, a switch control circuit and a Bluetooth module are integrated on the circuit board, the charging plug is inserted into the waterproof charging hole, and the speaker, Bluetooth The module is powered off, the charging plug is pulled out from the waterproof charging hole, and the speaker and Bluetooth module are powered on in the non-charging state.

The invention also discloses an in-ear processing method, comprising the following steps:

Step S1, using the mold to process the earphone back shell, the earphone head, the silicone earplug cover, and the assembly of the earphone front shell, the end sealing sleeve and the middle partition plate, and the middle partition plate has a sealing plug ring;

In step S2, a speaker is installed at the rear of the headphone head, a plug-in plug is installed at the alignment position of the middle partition, and a piece of speaker is connected with the plug-in plug by a wire, and then the headphone head is connected to the front end of the headphone front shell;

Step S3, the circuit board and the battery are installed on the battery frame, the socket body and the circuit board are connected through the second wire, and the assembly of the circuit board, the battery, the battery frame and the top seal is installed into the rear casing,

In step S4, the end sealing sleeve is sleeved on the outer shell of the rear shell, and the plug and socket body are plugged together, and the plug ring and the annular groove are plugged together.

In step S5, a silicone earplug cover is installed on the front end of the earphone head, the assembly of the earphone is completed, and a finished earphone is obtained.

Compared with the prior art, the present invention has the following beneficial effects:

The waterproof structure of the earphone, the in-ear earphone and the processing method of the present invention can achieve the most tight and closed waterproof and steam-proof effects by designing the shell and structure of the product. Usually, the waterproof level of this method is higher, reaching IPX7. grade. Meet the needs of wearing headphones for swimming, surfing, speedboats and other projects.

Description of drawings

In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are required to be used in the description of the specific embodiments or the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. In the drawings, each element or section is not necessarily drawn to actual scale.

Fig. 1 is the structural representation of the present invention;

2 is an enlarged schematic view of the structure of the silicone earplug cover of the present invention;

3 is an enlarged schematic view of the structure of the earphone back shell of the present invention;

4 is an enlarged schematic view of the structure of the earphone front shell of the present invention;

5 is an enlarged schematic view of the structure of the battery holder of the present invention;

6 is an enlarged schematic view of the structure of the back shell of the earphone according to the present invention;

In the figure: 1. Headphone rear shell 1.1, rear shell shell 1.2, bottom end plate 1.3, waterproof charging hole 1.4, circuit board 1.5, battery 1.6, battery holder 1.7, top seal 2, headphone front shell 3, headphone head 3.1 , insert sleeve 3.2, speaker 3.3, first sealing ring 4, sound outlet 5, silicone earplug sleeve 5.1, inner support sleeve 5.2, elastic outer sleeve 5.3, elastic limit collar 6, end sealing sleeve 7, intermediate partition 8 , sealing plug ring 9, plug plug 10, wire one 11, annular groove 12, socket body 13, wire two 14, outer wall groove 15, outer wall sealing ring

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings:

The present invention will be further described below through specific examples, but it is not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention. .

Example

As shown in Figures 1-6, the earphone waterproof structure and the in-ear earphone include an earphone rear shell 1, the upper end of the earphone rear shell 1 is vertically connected with the earphone front shell 2, and the tail of the earphone front shell 2 is integrally formed with an end The end sealing sleeve 6, the earphone front shell 2 and the end sealing sleeve 6 are arranged vertically, the connection between the earphone front shell 2 and the end sealing sleeve 6 is provided with a middle partition plate 7, and the upper end of the earphone rear shell 1 is provided with the middle partition plate. 7 with a 45-degree assembling bevel, the upper end of the earphone rear shell 1 is inserted into the end sealing sleeve 6, and the earphone front shell 2 is detachably installed on the earphone rear shell 1 through the end sealing sleeve 6. The earphone rear shell 1 and the earphone front shell 2 are of L-shaped design, and the other end of the earphone front shell 2 is detachably installed with an earphone head 3, the center of the earphone head 3 has a sound outlet 4, and the earphone head 3 has a sound outlet hole 4 in the center. The end sleeve is provided with a silicone earplug sleeve 5 .

In this embodiment, the earphone rear shell 1 includes a hollow rear shell shell 1.1, the rear shell shell 1.1 has a circular cross-section, the top of the rear shell shell 1.1 is open, and the bottom end is integrally formed with a bottom. The end plate 1.2 has a waterproof charging hole 1.3 in the center of the bottom end plate 1.2, and a battery rack 1.6 is arranged in the rear shell body 1.1 along its length direction, and the circuit board 1.4 and the battery are installed on the battery rack 1.6. 1.5, the top of the battery 1.5 is provided with a battery frame 1.6, and the battery frame 1.6 has a 45-degree assembling inclined plane matched with the middle partition plate 7; the earphone front shell 2 is a hollow structure with a circular cross-section, and the The end sealing sleeve 6 is a hollow structure with a circular cross-section. The front shell 2 of the earphone, the end sealing sleeve 6 and the middle partition plate 7 are all plastic materials and are integrally injection molded. The center of the middle partition plate 7 has a thread. The earphone head 3 includes a speaker installation cavity at the rear of the insertion sleeve 3.1, a speaker 3.2 is installed in the speaker installation cavity, and a sound outlet 4 is provided in the center of the insertion sleeve 3.1. The silicone earplug sleeve 5 is disassembled and installed, the right end of the insert sleeve 3.1 has an external thread, the inner wall of the earphone front shell 2 is provided with an internal thread that matches the external thread, and the inner wall of the earphone front shell 2 is provided with an external thread. There is also a boss A, the middle part of the insert sleeve 3.1 has a boss B, and a first sealing ring 3.3 is arranged between the boss A and the boss B; the silicone earplug cover 5 includes an elastic jacket 5.2, the elastic jacket 5.2 There is an inner support sleeve 5.1. One end of the outer wall of the inner support sleeve 5.1 is connected to one end of the elastic outer sleeve 5.2. The inner wall of the other end of the inner support sleeve 5.1 is provided with an elastic limit collar 5.3. One end of the inner support sleeve 5.1 It is flush with one end of the elastic jacket 5.2, and the other end of the inner support jacket 5.1 is shorter than the length of the elastic jacket 5.2. The cross-section of the elastic jacket 5.2 is an arc structure with a high middle and low sides. The outer end of the insertion jacket 3.1 A groove is provided for matching with the elastic limit collar 5.3. The inner support sleeve 5.1, the elastic outer sleeve 5.2 and the elastic limit collar 5.3 are all made of silica gel and are integrally formed; the right side of the middle partition plate 7 A sealing plug ring 8 is provided on the side, a plug plug 9 is provided at the center of the middle partition plate 7, and an annular groove 11 that cooperates with the sealing plug ring 8 is provided on the left side of the top seal 1.7. The socket body 12 matched with the plug 9, the plug 9 is electrically connected to the speaker 3.2 through the wire one 10, the socket body 12 is electrically connected to the circuit board 1.4 through the wire two 13, and the circuit board 1.4 is connected to the circuit board 1.4 through the wire three. The battery 1.5 is electrically connected; the battery holder 1.6 is a hollow structure with a circular cross-section, the upper end of which is integrally formed with the top seal 1.7, and the lower end is open, the outer diameter of the battery holder 1.6 and the inner diameter of the rear shell 1.1 Small clearance fit, the interior of the battery holder 1.6 is provided with an inner partition along its length direction, the circuit board 1.4 is installed on the first side of the inner partition, and the inner partition is A battery 1.5 is installed on the second side of the plate; the outer wall of the rear shell shell 1.1 is in interference fit with the inner wall of the end sealing sleeve 6, and the mating surface of the rear shell outer shell 1.1 and the end sealing sleeve 6 is opened There is an outer wall groove 14, and an outer wall sealing ring 15 is installed in the outer wall groove 14; the battery 1.5 is a rechargeable battery, which can be charged to the battery 1.5 through the waterproof charging hole 1.3, and the circuit board 1.4 is integrated with The switch controls the circuit and the Bluetooth module, the charging plug is inserted into the waterproof charging hole 1.3, the speaker 3.2 and the Bluetooth module are powered off in the charging state, the charging plug is pulled out from the waterproof charging hole 1.3, and the speaker 3.2 and the Bluetooth module are powered on in the non-charging state.

This embodiment also discloses an in-ear processing method, which includes the following steps:

In step S1, the headphone rear shell 1, the headphone head 3, the silicone earplug cover 5, and the earphone front shell 2, the end sealing sleeve 6 and the middle partition plate 7 are processed by using a mold, and the middle partition plate 7 has a sealing plug connection. ring 8;

In step S2, the speaker 3.2 is installed at the rear of the headphone head 3, the plug-in plug 9 is installed at the alignment position of the middle partition 7, and the headphone head 3 is connected to the front shell of the headphone after connecting a 10-piece speaker 3.2 with the plug-in plug 9 using a wire 2 front end;

Step S3, the circuit board 1.4 and the battery 1.5 are installed on the battery frame 1.6, the socket body 12 and the circuit board 1.4 are connected through the wire two 13, and the assembly of the circuit board 1.4, the battery 1.5, the battery frame 1.6 and the top seal 1.7 is installed on the Inside the rear shell body 1.1,

In step S4, the end sealing sleeve 6 is sleeved on the rear shell outer body 1.1, and the plug 9 and the socket body 12 are plugged together, and the sealing plug ring 8 and the annular groove 11 are plugged together.

In step S5, the silicone earplug cover 5 is installed on the front end of the earphone head 3, the assembly of the earphone is completed, and the finished earphone is obtained.

The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and modifications fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (4)

1. An in-ear earphone with an earphone waterproof structure, characterized in that: the in-ear earphone comprises an earphone rear shell (1), and an earphone front shell (2) is vertically connected to the upper end of the earphone rear shell (1), The end of the earphone front shell (2) is integrally formed with an end sealing sleeve (6), the earphone front shell (2) and the end sealing sleeve (6) are vertically arranged, and the earphone front shell (2) and the end sealing sleeve (6) A middle partition plate (7) is arranged at the connection of the earphone, the upper end of the earphone rear shell (1) is provided with a 45-degree assembling bevel matching with the middle partition plate (7), and the upper end of the earphone rear shell (1) is inserted at the end Inside the end sealing sleeve (6), the earphone front shell (2) is detachably mounted on the earphone rear shell (1) through the end sealing sleeve (6). The earphone rear shell (1) and the earphone front shell (2) ) has an L-shaped design, the other end of the earphone front shell (2) is detachably mounted with an earphone head (3), the center of the earphone head (3) has a sound outlet (4), the earphone head (3) ) is sleeved with a silicone earplug cover (5), the earphone rear shell (1) includes a hollow rear shell shell (1.1), the rear shell shell (1.1) has a circular cross-section, and the The top of the rear shell shell (1.1) is open, the bottom end of the rear shell shell (1.1) is integrally formed with a bottom end plate (1.2), and the bottom end plate (1.2) has a waterproof charging hole (1.3) in the center , a battery rack (1.6) is arranged in the rear shell shell (1.1) along its length direction, a circuit board (1.4) and a battery (1.5) are mounted on the battery rack (1.6), and the battery rack (1.6) 1.6) There is a 45-degree assembling inclined plane matched with the middle partition plate (7), the earphone front shell (2) is a hollow structure with a circular cross-section, and the end sealing sleeve (6) is a circular cross-section. A hollow structure, the earphone front shell (2), the end sealing sleeve (6) and the middle partition plate (7) are all made of plastic and are integrally injection-molded, and the center of the middle partition plate (7) has a threading hole, The earphone head (3) includes an insertion sleeve (3.1), the rear of the insertion sleeve (3.1) is provided with a speaker installation cavity, a speaker (3.2) is installed in the speaker installation cavity, and the center of the insertion sleeve (3.1) has a sound outlet. A hole (4), the front end of the sound outlet hole (4) is detachably mounted with a silicone earplug cover (5), the right end of the insertion cover (3.1) has an external thread, and the front end of the earphone front shell (2) The inner wall is provided with an inner thread matched with the outer thread, the inner wall of the earphone front shell (2) also has a boss A, the middle part of the insert sleeve (3.1) has a boss B, the boss A and the boss There is a first sealing ring (3.3) between the stages B, and the silicone earplug cover (5) includes an elastic outer sleeve (5.2), and the elastic outer sleeve (5.2) has an inner support sleeve (5.1) inside, and the inner support sleeve ( The outer wall of one end of 5.1) is connected with one end of the elastic outer sleeve (5.2), the inner wall of the other end of the inner support sleeve (5.1) is provided with an elastic limit collar (5.3), and one end of the inner support sleeve (5.1) is connected to the elastic sleeve (5.1). One end of the jacket (5.2) is flat The length of the inner support sleeve (5.1) is shorter than the length of the elastic outer sleeve (5.2), and the cross-section of the elastic outer sleeve (5.2) is an arc structure with high middle and low sides, and the outer end of the insertion sleeve (3.1) A groove matching with the elastic limiting collar (5.3) is provided, and the inner support sleeve (5.1), the elastic outer sleeve (5.2) and the elastic limiting collar (5.3) are all made of silicone and are integrally formed. A sealing plug ring (8) is arranged on the right side of the middle partition plate (7), a plug plug (9) is arranged at the center of the middle partition plate (7), and the left side of the top seal (1.7) The surface is provided with an annular groove (11) matched with the sealing plug ring (8), and a socket body (12) matched with the plug plug (9), and the plug plug (9) passes through the wire one (10) is electrically connected to the speaker (3.2), the socket body (12) is electrically connected to the circuit board (1.4) through the second wire (13), and the circuit board (1.4) is electrically connected to the battery (1.5) through the third wire; The processing method of the above-mentioned in-ear headphones includes the following steps: In step S1, the earphone back shell (1), the earphone head (3), the silicone earplug cover (5), the earphone front shell (2), the end sealing sleeve (6) and the middle partition plate (7) are processed by using a mold. The assembly has a sealing plug ring (8) on the intermediate partition plate (7); Step S2, install the speaker (3.2) at the rear of the headphone head (3), install the plug (9) at the aligned position of the middle partition plate (7), and connect the speaker (3.2) with the plug by wire 1 (10). (9) After connection, connect the headphone head (3) to the front end of the headphone front shell (2); Step S3, install the circuit board (1.4) and the battery (1.5) on the battery rack (1.6), connect the socket body (12) and the circuit board (1.4) through the second wire (13), connect the circuit board (1.4), the battery The assembly of (1.5), battery holder (1.6) and top seal (1.7) is installed into the rear housing shell (1.1), Step S4, the end sealing sleeve (6) is sleeved on the rear shell outer body (1.1), and the plug (9) and the socket body (12) are inserted into each other at the same time, and the plug ring (8) and the ring are sealed. The grooves (11) are plugged together, In step S5, the silicone earplug cover (5) is installed on the front end of the earphone head (3), the assembly of the earphone is completed, and the finished earphone is obtained. 2. The in-ear earphone with earphone waterproof structure according to claim 1, characterized in that: the battery holder (1.6) is a hollow structure with a circular cross-section, the upper end of which is integrally formed with the top seal (1.7), Its lower end is open, the outer diameter of the battery holder (1.6) fits with the inner diameter of the rear shell (1.1) with a small gap, and the interior of the battery holder (1.6) is provided with an inner partition along its length direction. A circuit board (1.4) is mounted on the first side of the separator, and a battery (1.5) is mounted on the second side of the inner separator. 3. The in-ear earphone with earphone waterproof structure according to claim 2, characterized in that: the outer wall of the rear shell (1.1) is in interference fit with the inner wall of the end sealing sleeve (6), and the rear An outer wall groove (14) is formed on the mating surface of the outer casing (1.1) and the end sealing sleeve (6), and an outer wall sealing ring (15) is installed in the outer wall groove (14). 4. The in-ear earphone with earphone waterproof structure according to claim 3, characterized in that: the accumulator (1.5) is a rechargeable battery, and the accumulator (1.5) can be charged to the accumulator (1.5) through the waterproof charging hole (1.3). For charging, a switch control circuit and a Bluetooth module are integrated on the circuit board (1.4), the charging plug is inserted into the waterproof charging hole (1.3), the speaker (3.2) and the Bluetooth module are powered off in the charging state, and the charging plug is inserted from the waterproof charging hole (1.3) Unplug it, the speaker (3.2) and the Bluetooth module are powered on in the non-charging state.

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