CN214675593U

CN214675593U - Sound generating device waterproof construction and earphone

Info

Publication number: CN214675593U
Application number: CN202120610558.7U
Authority: CN
Inventors: 李培俊; 王丽
Original assignee: Shenzhen Horn Audio Co Ltd
Current assignee: Shenzhen Horn Audio Co Ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-11-09
Anticipated expiration: 2031-03-25

Abstract

The utility model discloses a sound production device waterproof structure and an earphone, wherein the sound production device waterproof structure comprises a shell, a waterproof sheet and a shielding part, and the shell is provided with a sound release hole; the waterproof sheet is arranged in the shell and covers the sound leakage hole; the shielding part is connected to the outside of the shell, a gap is formed between the shielding part and the shell, and the shielding part is used for shielding the sound leakage hole. The shielding part shields the sound leakage hole, and can prevent liquid from directly impacting the waterproof sheet exposed at the sound leakage hole, so that the liquid is prevented from permeating into the shell to damage the sound production device, a gap is reserved between the shielding part and the shell, the influence on sound wave transmission can be reduced, and the influence on acoustic performance is reduced.

Description

Sound generating device waterproof construction and earphone

Technical Field

The utility model belongs to the technical field of the sound generating mechanism technique and specifically relates to a sound generating mechanism waterproof construction and earphone are related to.

Background

The earphone may be used in rainy days or sports scenes in daily life, and therefore needs to have a waterproof function, so that sweat, rainwater and the like are prevented from entering the inside of the earphone, short circuit, device corrosion and the like are prevented, and the damage to the earphone is caused. In the related art, usually, a waterproof mesh cloth or a waterproof breathable film is installed at the sound leakage hole of the earphone, but the waterproof mesh cloth or the waterproof breathable film with a higher waterproof grade has a lower breathable quantity, so that the acoustic performance of the earphone is affected, and the waterproof performance and the acoustic performance are difficult to be considered.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a sound generating mechanism waterproof construction can improve waterproof performance when reducing the influence to acoustic performance.

The utility model also provides an earphone of including above-mentioned sound generating mechanism waterproof construction.

The utility model provides a waterproof structure of a sounding device, which comprises a shell, a waterproof sheet and a shielding part, wherein the shell is provided with a sound leakage hole; the waterproof sheet is arranged in the shell and covers the sound leakage hole; the shielding part is connected to the outside of the shell, a gap is formed between the shielding part and the shell, and the shielding part is used for shielding the sound leakage hole.

The utility model discloses the embodiment of the first aspect provides a sound generating mechanism waterproof construction has following beneficial effect at least: the shielding part shields the sound leakage hole, and can prevent liquid from directly impacting the waterproof sheet exposed at the sound leakage hole, so that the liquid is prevented from permeating into the shell to damage the sound production device, a gap is reserved between the shielding part and the shell, the influence on sound wave transmission can be reduced, and the influence on acoustic performance is reduced.

In some embodiments of the present invention, the shielding portion includes a baffle connected to the housing and opposing the protrusion of the housing.

In some embodiments of the present invention, the sound hole is disposed at a side portion of the housing, the baffle is connected to the housing, and the baffle is close to a lower portion of the sound hole and extends in a direction of the housing.

In some embodiments of the present invention, the shielding portion further includes a supporting pillar, one end of the supporting pillar is connected to the baffle, and the other end of the supporting pillar is connected to the housing.

In some embodiments of the present invention, the support column is provided with a plurality of support columns, a plurality of support columns are provided in the periphery of the baffle.

In some embodiments of the present invention, the sound hole is disposed at the top of the housing, and the baffle is located above the sound hole.

The embodiment of the second aspect of the utility model provides a sound production device waterproof construction, including casing and waterproof sheet, the lateral part of casing inwards caves in and forms and lets out the sound channel, let out the sound hole set up in let out the inner wall of sound channel, the casing includes the shielding part, the shielding part is used for sheltering from let out the sound hole; the waterproof sheet is installed on the inner wall of the sound leakage channel and covers the sound leakage hole.

The utility model discloses the embodiment of the second aspect provides a sound generating mechanism waterproof construction has following beneficial effect at least: the shielding part on the shell shields the sound leakage hole, and can prevent liquid from directly impacting the waterproof sheet exposed at the sound leakage hole, so that the liquid is prevented from permeating into the shell to damage the sound production device, the sound leakage hole is communicated with the outside through the sound leakage channel, the influence on sound wave transmission can be reduced, and the influence on acoustic performance is reduced.

In some embodiments of the present invention, the air leakage channel is disposed from a side portion of the housing to a top portion of the housing in an inclined manner.

In some embodiments of the present invention, the sound leakage hole is provided in an inner wall of an end of the sound leakage channel close to the top of the housing.

The utility model discloses earphone that third aspect embodiment provided, including the sound generating mechanism waterproof construction in any above-mentioned embodiment.

The utility model discloses the earphone that the embodiment of third aspect provided has following beneficial effect at least: the adoption can improve waterproof performance's sound generating mechanism waterproof construction when not influencing acoustic performance, can improve the waterproof performance of earphone to guarantee the acoustic performance of earphone.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic view of a waterproof structure of a sound generating device according to some embodiments provided by the first aspect of the present invention;

fig. 2 is a schematic view of a waterproof structure of a sound generating device according to some embodiments provided by the first aspect of the present invention;

fig. 3 is a schematic perspective view of a baffle and a support pillar of the waterproof structure of the sound generating device shown in fig. 1;

FIG. 4 is a bottom view of the baffle and support post of FIG. 3;

fig. 5 is a schematic view of a waterproof structure of a sound generating device according to some embodiments provided by the second aspect of the present invention.

Reference numerals:

the sound-proof structure comprises a shell 100, a sound leakage hole 110, a sound leakage channel 120, a waterproof sheet 200, a shielding part 300, a baffle plate 310, a supporting column 320 and a sound production device 400.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated, for example, up, down, left, right, etc., referred to the orientation description is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

In the description of the present invention, reference to the terms "one embodiment," "some embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The utility model provides a sound production device waterproof structure, which comprises a shell 100, a waterproof sheet 200 and a shielding part 300, wherein the shell 100 is provided with a sound leakage hole 110; the waterproof sheet 200 is installed inside the case 100 and covers the sound leakage hole 110; the shielding portion 300 is connected to the outside of the housing 100, a gap is formed between the shielding portion 300 and the housing 100, and the shielding portion 300 is used for shielding the sound leakage hole 110.

For example, as shown in fig. 1 to 2, the waterproof structure of the sound generating device includes a housing 100, a waterproof sheet 200, and a shielding portion 300, the housing 100 is provided with a sound leakage hole 110, the waterproof sheet 200 is mounted inside the housing 100 and covers the sound leakage hole 110, the shielding portion 300 is connected to the outside of the housing 100, and a gap is provided between the shielding portion 300 and the housing 100. The shielding part 300 can shield the sound leakage hole 110 and prevent liquid from directly impacting the waterproof sheet 200 exposed at the sound leakage hole 110, so as to prevent the liquid from penetrating into the casing 100 to damage the sound generating device 400; the shielding portion 300 is spaced apart from the housing 100, and the sound outlet 110 is communicated with the outside through the gap between the shielding portion 300 and the housing 100, so that the influence on the transmission of sound waves can be reduced, and the influence on the acoustic performance can be reduced.

It can be understood that, waterproof sheet 200's material, ventilative volume etc. can be selected according to actual demand, among the correlation technique, for guaranteeing waterproof performance, choose the waterproof sheet that ventilative volume is less for use usually, and the waterproof sheet that ventilative volume is littleer is big to acoustic performance's influence, in this scheme, shielding part 300 can play certain effect of sheltering from to the waterproof sheet 200 that leaks in sound leakage hole 110 department, consequently can rationally select the waterproof sheet 200 that ventilative volume is great relatively, further promote acoustic performance.

It should be noted that the shielding portion 300 includes a baffle 310, and the baffle 310 is connected to the housing 100 and protrudes from the housing 100.

For example, as shown in fig. 1 to 2, the shielding portion 300 includes a baffle 310, and the baffle 310 is connected to the housing 100 and opposite to the protrusion of the housing 100. When the waterproof sheet 200 is attached to the surface of the casing 100, the baffle 310 protrudes from the casing 100, so that the waterproof sheet 200 is shielded, and the gap between the baffle and the waterproof sheet 200 is ensured, thereby reducing the influence on the acoustic performance.

It is understood that liquid such as rain water, sweat, etc. generally drops from top to bottom, and the baffle 310 should be disposed in consideration of the position of the waterproof sheet 200 and the dropping direction of the liquid, for example, referring to fig. 1, when the waterproof sheet 200 is located at the top of the casing 100, the baffle 310 should be disposed right above the waterproof sheet 200; referring to fig. 2, when the waterproof sheet 200 is located at the side of the housing 100, the baffle 310 should be located obliquely above the waterproof sheet 200, and the baffle 310 may be horizontally or obliquely downward.

The sound vent 110 is disposed at a side portion of the casing 100, the baffle 310 is connected to the casing 100, and the baffle 310 extends from an upper portion of the sound vent 110 to a direction close to a lower portion of the sound vent 110 and away from the casing 100.

For example, as shown in fig. 2, the sound leakage hole 110 is disposed at a side portion of the casing 100, the baffle 310 is connected to the casing 100, and the baffle 310 extends from an upper side of the sound leakage hole 110 to a direction close to a lower side of the sound leakage hole 110 and away from the casing 100, so that compared with a horizontally disposed baffle 310, while the waterproof sheet 200 is kept shielded, a size of the baffle 310 protruding outward relative to the casing 100 can be reduced, thereby improving a connection strength between the baffle 310 and the casing 100, and preventing the baffle 310 from being damaged when an external force is applied.

It is understood that the size, the inclination angle, and the like of the baffle 310 are not limited, and the shielding effect of the waterproof sheet 200 can be ensured and the influence on the acoustic performance can be reduced.

It should be noted that the shielding portion 300 further includes a supporting column 320, one end of the supporting column 320 is connected to the baffle 310, and the other end of the supporting column 320 is connected to the housing 100.

For example, as shown in fig. 1, the shielding portion 300 further includes a supporting column 320, one end of the supporting column 320 is connected to the baffle 310, the other end of the supporting column 320 is connected to the casing 100, and the supporting column 320 supports the baffle 310 so that a gap is formed between the baffle 310 and the waterproof sheet 200.

It is understood that the size, number, etc. of the supporting columns 320 are not limited, and may be set according to actual requirements. In order to reduce the assembly difficulty, the baffle 310 and the support column 320 may be integrally formed, or the support column 320 and the casing 100 may be integrally formed, or the baffle 310 and the support column 320 and the casing 100 may be integrally formed. When the baffle 310 and the supporting column 320 are integrally formed or the supporting column 320 and the casing 100 are integrally formed, the joints can be connected by gluing, ultrasonic welding, clamping, or the like.

The support columns 320 are provided in plural, and the support columns 320 are provided on the outer periphery of the baffle plate 310.

For example, as shown in fig. 1, 3 and 4, the plurality of support columns 320 are provided, the plurality of support columns 320 are connected to the periphery of the baffle 310, and the plurality of support columns 320 provided at the periphery of the baffle 310 can more stably support the baffle 310, so as to prevent the baffle 310 from being damaged due to too concentrated stress when the baffle 310 is subjected to an external force.

It will be appreciated that the support posts 320 may be uniformly disposed around the periphery of the baffle 310, thereby further improving the stability of the support baffle 310.

It should be noted that the sound vent 110 is disposed at the top of the casing 100, and the baffle 310 is located above the sound vent 110.

For example, as shown in fig. 1, the sound leakage hole 110 is provided at the top of the case 100, and the baffle 310 is positioned above the sound leakage hole 110. The sound leakage hole 110 is located at the top of the casing 100, that is, the waterproof sheet 200 is located at the top of the casing 100, liquid such as rain water, sweat and the like usually drips from top to bottom, and the baffle plate 310 is located above the sound leakage hole 110, so as to prevent the liquid from directly dripping on the waterproof sheet 200 at the sound leakage hole 110.

The utility model provides a sound generating mechanism waterproof construction, including casing 100 and waterproof sheet 200, the lateral part of casing 100 is inwards sunken to form and lets out sound channel 120, let out sound hole 110 and set up in letting out the inner wall of sound channel 120, casing 100 includes shielding part 300, shielding part 300 is used for sheltering from let out sound hole 110; the waterproof sheet 200 is installed to the inner wall of the sound discharge duct 120 and covers the sound discharge hole 110.

For example, as shown in fig. 5, the side of the casing 100 is opened with a sound leakage channel 120, the side of the casing 100 is recessed inwards to form the sound leakage channel 120, the sound leakage hole 110 is disposed on the inner wall of the sound leakage channel 120, the casing 100 includes a shielding portion 300, and the shielding portion 300 is used for shielding the sound leakage hole 110; the waterproof sheet 200 is installed to the inner wall of the sound discharge duct 120 and covers the sound discharge hole 110. The shielding portion 300 on the casing 100 shields the sound leakage hole 110, and can prevent liquid from directly impacting the waterproof sheet 200 exposed at the sound leakage hole 110, so as to prevent the liquid from permeating into the casing 100 to cause the sound generating device 400 to be damaged, and the sound leakage hole 110 is communicated with the outside through the sound leakage channel 120, so that the influence on sound wave transmission can be reduced, and the influence on the acoustic performance is reduced. In addition, the side of the casing 100 is recessed inwards to form the sound leakage channel 120, and the sound leakage hole 110 is arranged on the inner wall of the sound leakage channel 120, so that the smoothness of the outer surface of the casing 100 can be improved, and a part of the casing 100 is used as the shielding part 300, so that other parts do not need to be connected, the structure is simple, and the assembly is convenient.

It can be understood that the extending direction of the air vent 120 to the inside of the casing 100 is not limited, and the air vent may extend upward or downward, or horizontally, and the upward extending or horizontal extending may prevent the liquid from falling into the air vent 120 due to gravity, compared with the downward extending, so as to further improve the waterproof effect.

The air outlet duct 120 is inclined from the side of the casing 100 to the top of the casing 100.

For example, as shown in fig. 5, the air leakage channel 120 is inclined from the side of the casing 100 to the top of the casing 100, and when liquid accidentally enters the air leakage channel 120, the liquid can flow out along the inner wall of the air leakage channel 120 due to gravity, thereby further improving the waterproof effect.

It should be noted that the sound outlet 110 is provided on the inner wall of the end of the sound outlet channel 120 near the top of the casing 100.

For example, as shown in fig. 5, the sound discharging hole 110 is disposed on the inner wall of the sound discharging channel 120 near the top of the casing 100, so that when liquid accidentally enters the sound discharging channel 120, the liquid will not be accumulated on the waterproof sheet 200 due to gravity, thereby preventing the acoustic performance and the waterproof effect from being affected.

The adoption can improve waterproof performance's sound generating mechanism waterproof construction when not influencing acoustic performance, can improve the waterproof performance of earphone to guarantee the acoustic performance of earphone.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims

1. Sound generating mechanism waterproof construction, its characterized in that includes:

the shell is provided with a sound leakage hole;

a waterproof sheet installed inside the case and covering the sound leakage hole;

the shielding part is connected to the outside of the shell, a gap is formed between the shielding part and the shell, and the shielding part is used for shielding the sound leakage hole.

2. The waterproof structure of a sound-emitting device according to claim 1, wherein said shielding portion includes a baffle plate connected to said housing and projecting opposite to said housing.

3. The waterproof structure of a sound-emitting device according to claim 2, wherein said sound-leaking hole is provided in a side portion of said housing, and said baffle is connected to said housing, said baffle extending from an upper side of said sound-leaking hole toward a lower side of said sound-leaking hole and away from said housing.

4. The waterproof structure of a sound-emitting device according to claim 2, wherein the shielding portion further includes a support column, one end of the support column is connected to the baffle, and the other end of the support column is connected to the housing.

5. The waterproof structure of a sound-emitting device according to claim 4, wherein a plurality of the support columns are provided, and a plurality of the support columns are provided on the outer periphery of the baffle.

6. The waterproof structure of a sound-emitting device according to claim 4 or 5, wherein the sound-leaking hole is provided at the top of the housing, and the baffle is located above the sound-leaking hole.

7. Sound generating mechanism waterproof construction, its characterized in that includes:

the side part of the shell is inwards sunken to form a sound leakage channel, the sound leakage hole is formed in the inner wall of the sound leakage channel, and the shell comprises a shielding part which is used for shielding the sound leakage hole;

and the waterproof sheet is arranged on the inner wall of the sound leakage channel and covers the sound leakage hole.

8. The waterproof structure of the sound emitting device according to claim 7, wherein the air leakage channel is provided obliquely from a side portion of the case to a top portion of the case.

9. The waterproof structure of a sound-emitting device according to claim 7 or 8, wherein the sound-leaking hole is provided in an inner wall of an end of the sound-leaking channel near the top of the housing.

10. A headset comprising a sound emitting device waterproofing structure according to any one of claims 1 to 9.