CN219999547U - Earphone - Google Patents

Abstract

The embodiment of the utility model belongs to the technical field of headphones and relates to a headphone, which is provided with a ventilation structure, wherein the ventilation structure comprises a shell and a ventilation pipe, a cavity is arranged in the shell, a first ventilation opening is arranged on the shell, a second ventilation opening and a third ventilation opening are arranged on the ventilation pipe, the second ventilation opening is directly communicated with the first ventilation opening, the third ventilation opening is directly communicated with the cavity, and when the ventilation structure is in a use state, the position of the third ventilation opening is higher than that of the first ventilation opening. According to the technical scheme provided by the utility model, the cavity in the shell can be smooth with the outside air, water drops (flows) naturally flow downwards under the action of gravity, the water drops are prevented from entering the cavity, devices such as a voice coil of the earphone in the cavity are prevented from being affected by moisture, the waterproof effect is good, meanwhile, the vibrating diaphragm of the loudspeaker of the earphone can vibrate well in a low frequency band, the sound quality of the low frequency band is improved, and materials such as a waterproof film covered on the first ventilation port and the third ventilation port are saved.

Description

Earphone

Technical Field

The utility model relates to the technical field of earphones, in particular to an earphone.

Background

Headphones are often worn with people to listen to music, news and the like, and in some use scenes, the headphones can be affected by moisture, for example, people run in summer, so that the people are full of sweat, sweat can flow into the headphones, or people suddenly rain in an open field, rainwater can enter the headphones, or water mist can enter the headphones when people enjoy a fountain. If the electrical components such as voice coil contact with the moisture entering the earphone, the circuit will corrode or short circuit, so the earphone needs to be waterproof.

At present, a waterproof membrane is generally covered on a tuning hole of an earphone to prevent moisture from entering a cavity where electrical components such as a voice coil are mounted. Because the ventilation amount of the waterproof membrane is low, air is difficult to enter and exit the tuning hole, and the vibration amplitude of the vibrating diaphragm of the earphone loudspeaker is small, so that the electric signal of the low frequency band is difficult to be converted into sound by the vibrating diaphragm to be played, namely, the sound effect of the earphone in the low frequency band is poor.

Disclosure of Invention

The embodiment of the utility model is used for solving the technical problem that the earphone with the waterproof membrane in the prior art has poor sound effect in a low frequency band.

In order to solve the above technical problems, an embodiment of the present utility model provides a ventilation structure, which adopts the following technical scheme:

the utility model provides an earphone, earphone has ventilation structure, ventilation structure includes casing and breather pipe, the inside cavity that is provided with of casing, be provided with first ventilative mouth on the casing, be provided with second ventilative mouth and third ventilative mouth on the breather pipe, the second ventilative mouth directly with first ventilative mouth communicates with each other, the third ventilative mouth directly with the cavity is in, ventilation structure is in the in-service condition, the position of third ventilative mouth is higher than first ventilative mouth.

Further, at least two first ventilation openings are formed.

Further, each of the first ventilation openings is arranged in a vertical or horizontal direction.

Further, along the length direction, part of the pipe wall of the ventilation pipe coincides with the shell.

Further, the shell comprises a first cover piece and a second cover piece, and the first cover piece and the second cover piece are mutually covered to form the cavity;

the first ventilation opening is arranged on the first cover piece or the second cover piece, or one part of the first ventilation opening is arranged on the first cover piece, and the other part of the first ventilation opening is arranged on the second cover piece;

the pipe wall of the ventilation pipe comprises a first wall, a second wall and a third wall, wherein the first wall is overlapped with the first cover piece or/and the second cover piece, the second wall is arranged on the first cover piece or the second cover piece, the third wall is arranged on the second cover piece or the first cover piece, the third wall is two layers, and the second wall protrudes out of the first cover piece or the end part of the second cover piece is clamped between the two layers.

Further, a sealant is arranged at the joint of the first cover piece and the second cover piece.

Further, the ventilation structure further comprises a net piece, and the net piece is arranged on the first ventilation opening or/and the third ventilation opening.

Further, the mesh number of the net is less than three hundred mesh.

Further, the housing includes an auricle portion and an ear canal portion, the auricle portion is connected with the ear canal portion, the auricle portion is used for being worn on the auricle of the ear, the cavity is arranged in the ear canal portion, and the ear canal portion is matched with the ear canal of the ear.

Further, at least a portion of the ear canal portion is arcuate.

Compared with the prior art, the embodiment of the utility model has the following main beneficial effects: by arranging the cavity in the earphone shell, devices such as voice coils and the like can be arranged in the cavity, by arranging the first ventilation opening in the shell and arranging the second ventilation opening and the third ventilation opening in the ventilation pipe, the second ventilation opening is directly communicated with the first ventilation opening, the third ventilation opening is directly communicated with the cavity, the cavity can be communicated with the outside air, and by enabling the position of the third ventilation opening to be higher than that of the first ventilation opening, even if water drops (flow) such as rainwater and sweat enter the ventilation pipe from the first ventilation opening, the water drops (flow) can be timely discharged out of the shell from the first ventilation opening due to the gravity action of the rainwater and the sweat, and the water cannot flow back to the third ventilation opening to enter the cavity, so that the devices in the cavity can be prevented from being affected by moisture.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being apparent that the drawings in the following description are some embodiments of the present utility model and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is an exploded view of the earphone of FIG. 1;

FIG. 3 is a schematic view of the first closure of FIG. 2;

FIG. 4 is a schematic view of the second closure of FIG. 2;

fig. 5 is another exploded view of an earphone according to an embodiment of the present utility model.

Reference numerals: 1000-ventilation structure, 1-shell, 10-first ventilation opening, 11-first cover piece, 12-second cover piece, 13-auditory canal part, 14-auricle part, 100-cavity, 2-ventilation pipe, 20-third ventilation opening, 21-second wall, 22-third wall, 3-net piece, 4000-earphone, 4-loudspeaker, 5-circuit board.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

An embodiment of the present utility model provides an earphone, which includes a ventilation structure, referring to a ventilation structure 1000 shown in fig. 1 and 2, where fig. 2 is an exploded schematic view of an embodiment of the earphone of the present utility model, in order to highlight the ventilation structure 1000 and hide devices such as a speaker, the ventilation structure 1000 includes a housing 1 and a ventilation tube 2, a cavity 100 is disposed in the housing 1, a first ventilation opening 10 is disposed on the housing 1, a second ventilation opening and a third ventilation opening 20 are disposed on the ventilation tube 2, the second ventilation opening is directly communicated with the first ventilation opening 10, the third ventilation opening 20 is directly communicated with the cavity 100, and positions of the first ventilation opening 10 and the third ventilation opening 20 can be determined according to specific situations, so long as the ventilation structure 1000 is ensured to be in a use state, and the position of the third ventilation opening 20 is higher than that of the first ventilation opening 10. The pipe wall between the second ventilation opening and the third ventilation opening 20 on the ventilation pipe 2 is in a sealed state, that is, the cavity 100 can only be communicated with the air outside the shell 1 through the third ventilation opening 20 and the first ventilation opening 10 in sequence. Obviously, the second ventilation opening and the third ventilation opening 20 are in a set distance and are communicated with each other.

By providing the first ventilation opening 10 on the housing 1 and providing the second ventilation opening and the third ventilation opening 20 on the ventilation pipe 2, the second ventilation opening is directly communicated with the first ventilation opening 10, the third ventilation opening 20 is directly communicated with the cavity 100, so that the cavity 100 can be communicated with the outside air, and by making the position of the third ventilation opening 20 higher than that of the first ventilation opening 10, that is, the third ventilation opening 20 and the first ventilation opening 10 form a level difference in the vertical direction, even if water drops or water flows such as rainwater, sweat enter the ventilation pipe 2 from the first ventilation opening 10 due to the gravity effect, the water drops or water flows can be discharged from the first ventilation opening 10 to the outside of the housing 1 in time, and the backflow to the third ventilation opening 20 is impossible, so that the entry of rainwater, sweat and the like into the cavity 100 can be avoided, and the waterproof effect is good. The waterproof effect meets the waterproof grade requirements of liquid protection grade (Ingress Protection Ratung, IP) IPX6 (X in IPX6 represents all solid protection grades in the protection safety grade) and below in the protection safety grade.

Further, in some embodiments, the cavity 100 may be partitioned into a plurality of areas, the third ventilation opening 20 may be directly connected to only one of the areas requiring waterproofing, and the remaining areas without waterproofing may be connected to the outside through an opening provided separately. For areas where waterproofing is required, two points need to be described: first, in an embodiment in which the ventilation amount of the area and the outside air needs to be precisely controlled, the area is communicated with the outside air only through the first ventilation opening 10, that is, other parts of the casing 1 corresponding to the area except the first ventilation opening 10 arranged on the casing 1 corresponding to the area are in a sealed state, so that water and air are prevented from entering the area, for example, for the casing 1 formed by combining and splicing, a sealant or/and a rubber ring can be arranged at the splicing part; second, in embodiments where precise control of the ventilation of the area to the outside is not required, the housing 1 may be sealed from the air at a location where water droplets or water flow into the area can be avoided, in which case the first ventilation port 10 and the third ventilation port 20 may be understood to be used to supplement ventilation of the area.

Further, in one embodiment, the first ventilation opening 10 is provided with four. Of course, in other embodiments, the number of the first ventilation ports 10 may be increased or decreased, and only one first ventilation port 10 may be provided, as the case may be. The larger the number of first ventilation openings 10, the smaller each first ventilation opening 10 is, which is advantageous to avoid entry of foreign matters such as mosquitoes into the ventilation pipe 2, under the same ventilation amount. In the case that each first ventilation opening 10 has a certain size, the greater the number of first ventilation openings 10, the greater the total ventilation amount, and the more the cavity 100 is free from the outside air. Of course, the respective first ventilation ports 10 may be the same or different in size. In order to avoid the first ventilation ports 10 from being accidentally blocked or the ventilation amount being too small, at least two first ventilation ports 10 should be provided, and when one first ventilation port 10 is blocked, the remaining first ventilation ports 10 may also be ventilated and the water is discharged. The number and positions of the third ventilation ports 20 may be adjusted, so long as the ventilation structure 1000 is in a use state, and the positions of the third ventilation ports 20 are higher than those of the first ventilation ports 10.

Further, in one embodiment, each first ventilation opening 10 is arranged in the vertical direction, so that the case 1 is conveniently provided with a plurality of first ventilation openings 10 in a smaller dimension in the horizontal direction. Of course, in other embodiments, when the size of the housing 1 in the vertical direction is small, the respective first ventilation ports 10 may be arranged in the horizontal direction. In other embodiments, the arrangement of the first ventilation ports 10 may be adjusted, so long as the ventilation structure 1000 is ensured to be in a use state, where the third ventilation ports 20 are located higher than the first ventilation ports 10.

Further, in one embodiment, along the length direction, a part of the pipe wall of the ventilation pipe 2 coincides with the casing 1, so that materials and space occupied by the ventilation pipe 2 can be saved, and the ventilation pipe 2 is convenient to fix. Of course, in other embodiments, the ventilation tube 2 may be provided separately and connected to the housing 1 only where the second ventilation port communicates with the first ventilation port 10. In other embodiments, in order to save material and space occupied by the vent pipe 2, at least a portion of the wall of the vent pipe 2 should be coincident with the housing 1, i.e., at least a portion of the wall of the vent pipe 2 borrows a portion of the material of the housing 1.

Further, with continued reference to fig. 2, in combination with fig. 3 and 4, in one embodiment, the housing 1 includes a first cover 11 and a second cover 12, and the first cover 11 and the second cover 12 are mutually covered to form a cavity 100. The first ventilation opening 10 is provided on the first closure 11. The pipe wall of the ventilation pipe 2 comprises a first wall, a second wall 21 (see fig. 2) and a third wall 22 (see fig. 4), the first wall, the second wall 21 and the third wall 22 are connected in a surrounding manner to form the ventilation pipe 2, the first wall is overlapped with the first cover piece 11 and the second cover piece 12, namely, the first wall is made of a part of materials of the first cover piece 11 and a part of materials of the second cover piece 12, the second wall 21 is arranged on the first cover piece 11, the third wall 22 is arranged on the second cover piece 12, the third wall 22 is two layers, the second wall 21 protrudes out of the end part of the first cover piece 11 and is clamped between the two layers, the third ventilation opening 20 is arranged on the second wall 21, and the second ventilation opening is formed by surrounding the first wall, the second wall 21 and the third wall 22. Of course, in other embodiments, the following may be provided: the first ventilation opening 10 is provided on the second cover 12, or a part of the first ventilation opening 10 is provided on the first cover 11, and another part of the first ventilation opening 10 is provided on the second cover 12; the first wall is overlapped with the first cover member 11 or the second cover member 12, the second wall 21 is arranged on the second cover member 12, the third wall 22 is arranged on the first cover member 11, the third wall 22 is two layers, and the end part of the second wall 21 protruding out of the second cover member 12 is clamped between the two layers. The first wall, the second wall 21 and the third wall 22 are adopted to conveniently form the vent pipe 2, the assembly of the shell 1 is facilitated, the third wall 22 is two layers, the second wall 21 and the third wall 22 can be guaranteed to be tightly combined, water is prevented from entering the cavity 100 from a gap, and sealing glue can be filled in the combined position of the second wall 21 and the third wall 22 for further enhancing the sealing performance.

Further, in the present embodiment, the joint between the first cover member 11 and the second cover member 12 is provided with a sealant, so as to prevent water from entering the cavity 100 from the joint between the first cover member 11 and the second cover member 12.

Further, in this embodiment, the ventilation structure 1000 further includes a mesh 3 (see fig. 2), and the mesh 3 is disposed on the first ventilation opening 10 and/or the third ventilation opening 20. So as to adjust the ventilation volume between the cavity 100 and the outside and prevent the impurities such as mosquitoes and the like from entering the cavity 100.

Further, in the present embodiment, the mesh number of the net 3 is less than three hundred mesh, of which two hundred mesh is preferable. To avoid that the net 3 has too much resistance to ventilation, resulting in too little ventilation. The shape and mesh number of the net member 3 on the first ventilation port 10 and the third ventilation port 20 may be the same or different.

Further, in this embodiment, the ventilation pipe 2 is linear. Of course, in other embodiments, the specific shape of the ventilation tube 2 may be determined according to the specific situation, as long as the ventilation structure 1000 is ensured to be in the use state, where the third ventilation openings 20 are located higher than the respective first ventilation openings 10. The more the third ventilation openings 20 are located above each first ventilation opening 10, the greater the ability to avoid water from entering the cavity 100.

In one embodiment, referring to the exploded schematic view of the headset 4000 shown in fig. 5, the headset 4000 includes the ventilation structure 1000 described above, and the speaker 4, the circuit board 5, and other devices of the headset 4000 are mounted in the cavity 100. The vibrating diaphragm of loudspeaker 4 divides cavity 100 into two parts that keep apart each other, and when wearing earphone 4000, the one part cavity 100 that is close to the ear's ear canal is called preceding sound cavity, and another part cavity 100 that keeps away from the ear canal is called back sound cavity, and electric components such as loudspeaker 4's voice coil, circuit board 5 are located back sound cavity, so back sound cavity needs waterproof strictly. When the ventilation structure 1000 is used for the earphone 4000, the sound outlet is formed in the position, matched with the auditory canal, of the shell 1 corresponding to the front sound cavity, if water enters from the sound outlet normally, the front sound cavity can relate to the vibrating diaphragm, and the vibrating diaphragm has certain water resistance normally, so that water can be thrown out from the sound outlet by hands after entering the front sound cavity, the front sound cavity does not need to be considered waterproof, and waterproof materials such as waterproof films and the like do not need to be covered on the sound outlet. When the ventilation structure 1000 is used in the earphone 4000, the first ventilation opening 10 and the third ventilation opening 20 are also called tuning holes, and the third ventilation opening 20 is directly communicated with the rear acoustic cavity. The vent structure 1000 of the present utility model can prevent the earphone 4000 from being waterproofed without covering the first ventilation port 10 and the third ventilation port 20 with a waterproof material such as a waterproof film, thereby greatly reducing the material cost, achieving good waterproof effect and meeting the requirement of the earphone 4The waterproof grade requirement below IPX6 (including) grade of 000 products can avoid water from invading the earphone 4000, can prolong the service life of the earphone 4000, and the earphone 4000 works reliably. Because the ventilation structure 1000 of the utility model is adopted without considering the waterproof performance of the net 3, when the net 3 is used for tuning the front acoustic cavity and the rear acoustic cavity, the net 3 with larger ventilation quantity (namely the net 3 with smaller mesh number) can be used, so that the front acoustic cavity and the rear acoustic cavity are smooth with the outside air, the vibrating diaphragm of the loudspeaker 4 can easily push the air, the vibrating diaphragm can be well vibrated in the low frequency band, the electric signal of the low frequency band is converted into sound by the vibrating diaphragm to be played, and the sound effect of the earphone 4000 in the low frequency band is improved _。

Further, in one embodiment, the first ventilation ports 10 are provided in plurality along the vertical direction of the use state of the earphone 4000, one first ventilation port 10 remaining at the lowest position is not covered with the net member 3 so as to drain water in time, and the remaining first ventilation ports 10 and third ventilation ports 20 determine whether to cover the net member 3 according to tuning needs.

Further, in one embodiment, the housing 1 includes an ear canal portion 13 and an auricle portion 14, the auricle portion 14 is connected with the ear canal portion 13, the auricle portion 14 is used for being worn on the auricle of an ear, the auricle portion 14 is in shape fit with the auricle, the ear canal portion 13 is matched with the ear canal of the ear, the cavity 100 is arranged in the ear canal portion 13, the first ventilation opening 10 is arranged on the ear canal portion 13, the overall shape of the housing 1 can ensure that the direction of wearing the headset 4000 is fixed, the position of the third ventilation opening 20 is always higher than that of each first ventilation opening 10 after wearing the headset 4000, and the situation that the position of the third ventilation opening 20 is lower than that of the first ventilation opening 10 due to the change of the wearing direction is avoided. In the present embodiment, the ear canal portion 13 is formed by covering the first cover 11 and the second cover 12 shown in fig. 2. Of course, in other embodiments, the ear canal part 13 may have other structures, so long as it is ensured that each component in the earphone can be mounted, and the ventilation structure 1000 of the present utility model is conveniently implemented.

Further, with continued reference to fig. 5, in one embodiment, at least a portion of the ear canal portion 13 is curved to better conform to the shape of the pinna and avoid injuring the pinna.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims (10)

1. An earphone, characterized in that: the earphone is provided with a ventilation structure, the ventilation structure comprises a shell and a ventilation pipe, a cavity is arranged in the shell, a first ventilation opening is formed in the shell, a second ventilation opening and a third ventilation opening are formed in the ventilation pipe, the second ventilation opening is directly communicated with the first ventilation opening, the third ventilation opening is directly communicated with the cavity, and when the ventilation structure is in a use state, the position of the third ventilation opening is higher than that of the first ventilation opening.

2. The earphone according to claim 1, wherein: at least two first ventilation openings are formed.

3. The earphone according to claim 2, wherein: each of the first ventilation openings is arranged in a vertical or horizontal direction.

4. A headset according to any one of claims 1 to 3, characterized in that: along the length direction, part of the pipe wall of the vent pipe coincides with the shell.

5. The earphone as recited in claim 4, wherein: the shell comprises a first cover piece and a second cover piece, and the first cover piece and the second cover piece are mutually covered to form the cavity;

the first ventilation opening is arranged on the first cover piece or the second cover piece, or one part of the first ventilation opening is arranged on the first cover piece, and the other part of the first ventilation opening is arranged on the second cover piece;

the pipe wall of the ventilation pipe comprises a first wall, a second wall and a third wall, wherein the first wall is overlapped with the first cover piece or/and the second cover piece, the second wall is arranged on the first cover piece or the second cover piece, the third wall is arranged on the second cover piece or the first cover piece, the third wall is two layers, and the second wall protrudes out of the first cover piece or the end part of the second cover piece is clamped between the two layers.

6. The earphone according to claim 5, wherein: and a sealant is arranged at the joint of the first cover piece and the second cover piece.

7. A headset according to any one of claims 1 to 3, characterized in that: the ventilation structure further comprises a net piece, and the net piece is arranged on the first ventilation opening or/and the third ventilation opening.

8. The earphone according to claim 7, wherein: the mesh number of the net piece is less than three hundred meshes.

9. A headset according to any one of claims 1 to 3, characterized in that: the shell comprises an auricle part and an auditory canal part, wherein the auricle part is connected with the auditory canal part, the auricle part is used for being worn on the auricle of an ear, the cavity is arranged in the auditory canal part, and the auditory canal part is matched with the auditory canal of the ear.

10. The earphone according to claim 9, wherein: at least a part of the auditory canal part is arc-shaped.