CN106686482B

CN106686482B - Earphone

Info

Publication number: CN106686482B
Application number: CN201611257275.9A
Authority: CN
Inventors: 周诗勇; 冈本良成; 吴海全; 师瑞文
Original assignee: Shenzhen Grandsun Electronics Co Ltd
Current assignee: Shenzhen Grandsun Electronics Co Ltd
Priority date: 2016-12-30
Filing date: 2016-12-30
Publication date: 2023-05-12
Anticipated expiration: 2036-12-30
Also published as: CN106686482A

Abstract

The invention relates to the technical field of electronic equipment, in particular to an earphone, which comprises a front shell, a rear shell, a decorative cover and a loudspeaker, wherein the front shell is provided with a front cavity, the rear shell is provided with a middle cavity, the decorative cover is provided with a rear cavity, the middle cavity is communicated between the front cavity and the rear cavity, and the loudspeaker is arranged in the front cavity; the inner wall of preceding cavity is equipped with first internal thread, the inner wall of well cavity is equipped with the reference column, the inner wall of back cavity is equipped with the second internal thread, wear to be equipped with a connecting piece in the well cavity, the first end of connecting piece stretches into in the preceding cavity to press loudspeaker, the second end stretches into in the back cavity, be equipped with first external screw thread and the second external screw thread of interval arrangement on the connecting piece and along the square groove of axial arrangement of connecting piece, the reference column stretches into in the square groove, first external screw thread and second external screw thread respectively with first internal screw thread and second internal screw thread adaptation are connected. According to the earphone, the front shell, the rear shell and the decorative cover are connected by the connecting piece, glue is not needed in the assembly process, and the function of the earphone is not affected.

Description

Earphone

Technical Field

The invention relates to the technical field of electronic equipment, in particular to an earphone.

Background

When designing the earphone, the components to be connected are usually fixed by quick-drying adhesive and/or slow-drying adhesive, but the functions of the earphone can be affected to a certain extent by using the quick-drying adhesive and/or the slow-drying adhesive, and the problem of poor appearance can be brought, therefore, the earphone assembled without adhesive is necessary to be designed to ensure that the functions and the appearance of the earphone are not affected by images.

Disclosure of Invention

The invention aims to provide an earphone, and aims to solve the technical problem that the functions of the earphone are affected due to the fact that quick-drying adhesive and/or slow-drying adhesive are adopted to connect parts of the earphone in the prior art.

In order to achieve the above purpose, the technical scheme of the invention is as follows: the earphone comprises a front shell, a rear shell, a decorative cover and a loudspeaker, wherein the front shell is provided with a front cavity, the rear shell is provided with a middle cavity, the decorative cover is provided with a rear cavity, the middle cavity is communicated between the front cavity and the rear cavity, and the loudspeaker is arranged in the front cavity; the inner wall of preceding cavity is equipped with first internal thread, the inner wall of well cavity is equipped with the reference column, the inner wall of back cavity is equipped with the second internal thread, wear to be equipped with a connecting piece in the well cavity, the first end of connecting piece stretches into support in the preceding cavity and press loudspeaker, second end stretch into in the back cavity, be equipped with first external screw thread and the second external screw thread of interval arrangement and follow on the connecting piece the square groove of axial arrangement of connecting piece, the reference column stretches into in the square groove, first external screw thread with first internal screw thread adaptation is connected, the second external screw thread with second internal screw thread adaptation is connected.

Preferably, the connecting piece comprises a straight rod section and a round head part, the round head part is propped against the loudspeaker in the front cavity, the first external thread is arranged on the outer circumferential surface of the round head part, the second external thread is arranged on the outer circumferential surface of the straight rod section, and the square groove is arranged on the straight rod section and is axially arranged along the straight rod section.

Preferably, the end face of the round head is provided with a containing groove for containing part of the horn.

Preferably, the straight rod section is provided with an annular clearance groove which is staggered with the positioning column along the axial direction of the straight rod section.

Preferably, the square groove is internally provided with a reinforcing rib for reinforcing the strength of the straight rod section.

Preferably, at least two connecting holes which are symmetrical in position and communicated with the rear cavity are arranged outside the decorative cover, and each connecting hole is penetrated and provided with a fastener which extends into the rear cavity and abuts against the straight rod section.

Preferably, the straight rod section is provided with an annular connecting groove corresponding to the connecting hole, and the fastener extends into the annular connecting groove to abut against the straight rod section.

Preferably, the rear shell is provided with a connecting part, the connecting part is provided with a wiring hole which is communicated with the middle cavity and is used for the power supply wire to pass through, and the round head part is provided with a through hole which is communicated with the square groove so that the power supply wire passing through the wiring hole and the square groove passes through and is electrically connected with the loudspeaker.

Preferably, an annular positioning groove is formed in the inner wall of the middle cavity and close to the decorative cover, an annular positioning part is arranged at the end part of the decorative cover, close to the rear shell, in an extending mode, and the annular positioning part extends into the annular positioning groove to be connected with the annular positioning groove in an adaptive mode.

Preferably, a first sealing ring for improving the tightness between the front shell and the rear shell is arranged between the front shell and the rear shell; and a second sealing ring for improving the tightness between the rear shell and the decorative cover is arranged between the rear shell and the decorative cover.

The invention has the beneficial effects that: according to the earphone disclosed by the invention, the connecting piece is arranged in the middle cavity of the rear shell in a penetrating way, the positioning column of the middle cavity is connected with the square groove of the connecting piece in an adapting way, so that the rotation of the connecting piece can be limited, then the front shell and the decorative cover are respectively arranged at two ends of the rear shell, the front shell and the decorative cover are rotated, the connecting piece is fixed and not rotated, the first internal thread arranged on the inner wall of the front cavity is connected with the first external thread arranged on the connecting piece in an adapting way, the second internal thread arranged on the inner wall of the rear cavity is connected with the second external thread arranged on the connecting piece in an adapting way, meanwhile, the first end of the connecting piece is abutted against the loudspeaker, and the whole earphone is assembled and connected without using quick-drying glue and/or slow-drying glue, so that the earphone function is not influenced, and the appearance is more attractive.

Drawings

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

Fig. 2 is an exploded schematic view of a headset according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of an internal structure of an earphone according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a connector of an earphone according to an embodiment of the present invention.

Fig. 5 is a front view of a connector of an earphone according to an embodiment of the present invention.

Fig. 6 is a bottom view of a connector of an earphone according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a rear case of an earphone according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a front case of an earphone according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a decorative cover of an earphone according to an embodiment of the present invention.

The reference numerals include:

10-front shell 11-front chamber 12-first internal thread

20-rear shell 21-middle chamber 22-positioning column

23-connecting part 24-wiring hole 25-annular positioning groove

30-decorative cover 31-rear chamber 32-second internal screw thread

33-connecting hole 34-fastener 35-annular positioning portion

40-connecting piece 41-straight bar section 42-round head

50-first seal ring 60-second seal ring 70-first rubber pad

80-second rubber pad 90-earmuff 100-horn

110-power line 411-second external screw thread 412-square groove

413-annular clearance groove 414-reinforcing rib 415-annular connecting groove

421-first external screw 422-receiving groove 423-through hole.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 9 are exemplary and intended to illustrate the present invention and should not be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are 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 one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1 to 9, an embodiment of the present invention provides an earphone, including a front case 10, a rear case 20, a decorative cover 30, and a speaker 100, where the front case 10 is provided with a front chamber 11, the rear case 20 is provided with a middle chamber 21, the decorative cover 30 is provided with a rear chamber 31, the middle chamber 21 is communicated between the front chamber 11 and the rear chamber 31, and the speaker 100 is disposed in the front chamber 11; the inner wall of preceding cavity 11 is equipped with first internal thread 12, the inner wall of well cavity 21 is equipped with reference column 22, the inner wall of back cavity 31 is equipped with second internal thread 32, wear to be equipped with a connecting piece 40 in the well cavity 21, the first end of connecting piece 40 stretches into in the preceding cavity 11 supports and presses loudspeaker 100, the second end stretches into in the back cavity 31, be equipped with first external thread 421 and second external thread 411 of interval arrangement and follow on the connecting piece 40 the square groove 412 of axial arrangement of connecting piece 40, reference column 22 stretches into in the square groove 412, first external thread 421 with first internal thread 12 fit connection, second external thread 411 with second internal thread 32 fit connection.

Specifically, in the earphone of the embodiment of the present invention, a connecting piece 40 is disposed in the middle cavity 21 of the rear shell 20 in a penetrating manner, the positioning column 22 of the middle cavity 21 is connected with the square groove 412 of the connecting piece 40 in an adapting manner, so that the rotation of the connecting piece 40 can be limited, then the front shell 10 and the decorative cover 30 are respectively disposed at two ends of the rear shell 20, the front shell 10 and the decorative cover 30 are rotated, the connecting piece 40 is fixed and not rotated, the first internal thread 12 disposed on the inner wall of the front cavity 11 is connected with the first external thread 421 disposed on the connecting piece 40 in an adapting manner, the second internal thread 32 disposed on the inner wall of the rear cavity 31 is connected with the second external thread 411 disposed on the connecting piece 40 in an adapting manner, meanwhile, the first end of the connecting piece 40 abuts against the horn 100, and the whole earphone is assembled and connected without using quick-drying glue and/or slow-drying glue, so that the function of the earphone is not affected, and the appearance is more beautiful.

As shown in fig. 2 to 5, in the present embodiment, the connecting member 40 includes a straight rod section 41 and a round head 42, the round head 42 is disposed at one end of the straight rod section 41, the round head 42 presses the horn 100 in the front chamber 11, the first external thread 421 is disposed on an outer circumferential surface of the round head 42, the second external thread 411 is disposed on an outer circumferential surface of the straight rod section 41, and the square groove 412 is disposed on the straight rod section 41 and is disposed along an axial direction of the straight rod section 41. Specifically, the outer diameter of the round head 42 is larger than the outer diameter of the middle chamber 21, so that when the connecting member 40 is inserted into the middle chamber 21, the round head 42 does not pass through the middle chamber 21, and it is ensured that the first external thread 421 provided on the round head 42 can be fittingly connected with the first internal thread 12 provided in the front chamber 11 of the front case 10. When the connecting piece 40 is inserted into the middle chamber 21, the straight rod section 41 of the connecting piece 40 is inserted toward the middle chamber 21, and the straight rod section 41 is rotated until the square groove 412 corresponds to the positioning column 22 arranged on the inner wall of the middle chamber 21, the square groove 412 forms a clearance for the positioning column 22, so that the straight rod section 41 can be inserted into the middle chamber 21, and the rotation of the straight rod section 41 is limited by the positioning column 22, so that the connecting piece 40 cannot rotate when the front shell 10 and the decorative cover 30 are rotationally connected with the connecting piece 40, and the normal assembly of the earphone is ensured.

As shown in fig. 3 and 6, in this embodiment, an accommodating groove 422 for accommodating a part of the structure of the horn 100 is formed on an end surface of the round head 42. Specifically, the arrangement of the accommodating groove 422 can fix part of the structure of the horn 100, and the horn 100 is placed to shake in the front chamber 11. Further, a first rubber pad 70 may be added between the rounded head 42 and the horn 100, so that hard contact between the rounded head 42 and the horn 100 may be avoided. Similarly, a second rubber pad 80 may be added between the horn 100 and the inner wall of the front chamber 11, so that hard contact between the horn 100 and the front case 10 can be avoided.

In this embodiment, as shown in fig. 4 to 5, an annular clearance groove 413 is formed on the straight rod section 41 and is offset from the positioning column 22 along the axial direction of the straight rod section 41. Specifically, the annular clearance groove 413 is arranged to enable the power line 110 to run, and the annular clearance groove 413 is staggered with the positioning column 22 in the axial direction, so that interference caused by the arrangement of the positioning column 22 to the running of the power line 110 in the annular clearance groove 413 is avoided, and normal installation of the earphone can be ensured.

In this embodiment, as shown in fig. 4 to 5, a reinforcing rib 414 for reinforcing the strength of the straight bar section 41 is provided in the square groove 412. Specifically, the reinforcing ribs 414 can strengthen the strength of the straight rod section 41, so that the problem of weakening the strength of the straight rod section 41 caused by the square groove 412 is avoided.

As shown in fig. 2 to 3 and fig. 9, in this embodiment, at least two connecting holes 33 which are symmetrical in position and are communicated with the rear chamber 31 are provided outside the decorative cover 30, and a fastener 34 which extends into the rear chamber 31 and abuts against the straight rod section 41 is provided on each connecting hole 33 in a penetrating manner. Specifically, the fastening piece 34 is inserted through the connecting hole 33 provided in the decorative cover 30 to abut against and compress the straight rod section 41, so that the decorative cover 30 and the straight rod section 41 are fixedly connected, and the fixed connection between the connecting piece 40 and the decorative cover 30 can be realized without using quick-drying adhesive and/or slow-drying adhesive

As shown in fig. 3 to 5, in this embodiment, further, an annular connecting groove 415 corresponding to the position of the connecting hole 33 is provided on the straight rod section 41, and the fastener 34 extends into the annular connecting groove 415 to abut against the straight rod section 41. In particular, the provision of the annular connecting slot 415 serves to limit the fastener 34 extending into the rear chamber 31, thus enabling further strengthening of the connection between the straight bar section 41 and the fastener 34 and thus the connection between the decorative cover 30 and the connecting piece 40.

The fastener 34 may be a screw, a bolt, a screw, or the like.

As shown in fig. 1 to 3 and fig. 7, in the present embodiment, a connection portion 23 is disposed outside the rear case 20, the connection portion 23 is provided with a routing hole 24 that communicates with the middle chamber 21 and is used for the power cord 110 to pass through, and the round head 42 is provided with a through hole 423 that communicates with the square groove 412 so that the power cord 110 passing through the routing hole 24 and the square groove 412 passes through and is electrically connected with the horn 100. Specifically, the power cord 110 for electrically connecting with the horn 100 passes through the wiring hole 24 and the through hole 423 to be electrically connected with the horn 100, that is, the space and the position provided by the setting of the wiring hole 24 and the through hole 423 for the setting of the power cord 110 are not affected, and meanwhile, the connection between other components is not affected, so that the structure design is ingenious, and the practicability is strong.

Further, the connection portion 23 may also protect the power cord 110, so as to ensure that the power cord 110 is not easily broken at this position.

As shown in fig. 3, 7 and 9, in this embodiment, an annular positioning groove 25 is provided on the inner wall of the middle chamber 21 near the decorative cover 30, an annular positioning portion 35 is provided on the end of the decorative cover 30 near the rear housing 20 in an extending manner, and the annular positioning portion 35 extends into the annular positioning groove 25 and is connected with the annular positioning groove 25 in an adapting manner. Specifically, the annular positioning groove 25 is connected with the annular positioning groove 25 in a fit way. This increases the overlapping portion between the rear case 20 and the decorative cover 30, on the one hand, facilitating the rapid positioning and mounting between the rear case 20 and the decorative piece, and on the other hand, also enhancing the stability of the connection between the rear case 20 and the decorative piece. Preferably, the second internal thread 32 is provided in the annular positioning portion 35.

As shown in fig. 2 to 3, more specifically, in the present embodiment, a first seal ring 50 for improving the sealing property between the front case 10 and the rear case 20 is provided between the front case 10 and the rear case 20; a second sealing ring 60 for improving the tightness between the rear shell 20 and the decorative cover 30 is arranged between the rear shell 20 and the decorative cover 30. The stability and the reliability of connection among the front shell 10, the rear shell 20 and the decorative cover 30 are enhanced through the arrangement of the first sealing ring 50 and the second sealing ring 60, so that the earphone performance is guaranteed, the earphone is sealed and airtight, the sensitivity consistency is good, and meanwhile, the earphone has a cushioning and waterproof effect.

In this embodiment, the front end of the front shell 10 is further provided with an ear cap 90 to flexibly contact with the human ear, so as to avoid the human ear from being damaged by the front shell 10.

In view of the above, the present invention has the above-mentioned excellent characteristics, so that it can be used to improve the performance and practicality of the prior art, and is a product with great practical value.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but any modifications, equivalents, or improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The earphone comprises a front shell, a rear shell, a decorative cover and a loudspeaker, wherein the front shell is provided with a front cavity, the rear shell is provided with a middle cavity, the decorative cover is provided with a rear cavity, the middle cavity is communicated between the front cavity and the rear cavity, and the loudspeaker is arranged in the front cavity; the method is characterized in that: the inner wall of preceding cavity is equipped with first internal thread, the inner wall of well cavity is equipped with the reference column, the inner wall of back cavity is equipped with the second internal thread, wear to be equipped with a connecting piece in the well cavity, the first end of connecting piece stretches into support in the preceding cavity and press loudspeaker, second end stretch into in the back cavity, be equipped with first external screw thread and the second external screw thread of interval arrangement and follow on the connecting piece the square groove of axial arrangement of connecting piece, the reference column stretches into in the square groove, first external screw thread with first internal screw thread adaptation is connected, the second external screw thread with second internal screw thread adaptation is connected.

2. The earphone according to claim 1, wherein: the connecting piece comprises a straight rod section and a round head part, the round head part is propped against the loudspeaker in the front cavity, the first external thread is arranged on the outer circumferential surface of the round head part, the second external thread is arranged on the outer circumferential surface of the straight rod section, and the square groove is arranged on the straight rod section and is axially arranged along the straight rod section.

3. The earphone according to claim 2, wherein: the end face of the round head is provided with a containing groove for containing part of the structure of the loudspeaker.

4. The earphone according to claim 2, wherein: the straight rod section is provided with an annular clearance groove which is staggered with the positioning column along the axial direction of the straight rod section.

5. The earphone according to claim 2, wherein: and reinforcing ribs for reinforcing the strength of the straight rod sections are arranged in the square grooves.

6. The earphone according to claim 2, wherein: the decorative cover is provided with at least two connecting holes which are symmetrical in position and communicated with the rear cavity, and each connecting hole is penetrated and provided with a fastener which extends into the rear cavity and abuts against the straight rod section.

7. The earphone according to claim 6, wherein: the straight rod section is provided with an annular connecting groove corresponding to the connecting hole, and the fastening piece stretches into the annular connecting groove to be abutted against the straight rod section.

8. The earphone according to any one of claims 2 to 7, wherein: the rear shell is provided with a connecting part, the connecting part is provided with a wiring hole which is communicated with the middle cavity and used for the power supply wire to pass through, and the round head part is provided with a through hole which is communicated with the square groove so as to enable the power supply wire passing through the wiring hole and the square groove to pass through and be electrically connected with the loudspeaker.

9. The earphone according to any one of claims 1 to 7, wherein: the inner wall of the middle cavity is provided with an annular positioning groove close to the decorative cover, the end part of the decorative cover close to the rear shell is provided with an annular positioning part in an extending mode, and the annular positioning part stretches into the annular positioning groove to be connected with the annular positioning groove in an adapting mode.

10. The earphone according to any one of claims 1 to 7, wherein: a first sealing ring for improving the tightness between the front shell and the rear shell is arranged between the front shell and the rear shell; and a second sealing ring for improving the tightness between the rear shell and the decorative cover is arranged between the rear shell and the decorative cover.