WO2021196253A1

WO2021196253A1 - Tuning structure of headphone and ear cup assembly

Info

Publication number: WO2021196253A1
Application number: PCT/CN2020/083667
Authority: WO
Inventors: 袁智杰; 李亦照; 张仁付; 郑洲
Original assignee: 声电电子科技(惠州)有限公司
Priority date: 2020-03-31
Filing date: 2020-04-08
Publication date: 2021-10-07
Also published as: CN211880586U

Abstract

The present utility model belongs to the technical field of headphones, and disclosed are a tuning structure of a headphone and an ear cup assembly. The tuning structure of a headphone comprises a horn rear cover, an ear cup rear cover and support arms. Vent tuning holes are provided in the upper portions of the horn rear cover and the ear cup rear cover; a venting channel is formed among the horn rear cover, the ear cup rear cover and the support arms, and is in communication with the vent tuning holes; tuning paper is arranged on one side of the vent tuning holes; therefore, sound is transmitted to the venting channel from the vent tuning holes. In the present utility model, the venting amount of a rear cavity is hermetically connected by means of EVA, and the specification of the tuning paper is adjusted, so that the situation that the consistency of the sound quality at the left side and the right side of the headphone is influenced due to different structures of the left side and the right side of the headphone is avoided; and a left rear cavity concealed direct outward vent tuning hole is covered by an integral structure formed when a microphone arm upper cover and a microphone arm lower cover are combined, a right rear cavity concealed direct outward vent tuning hole is covered by a right support arm, and therefore, by means of a concealed mechanism, the appearance of the headphone is prevented from being affected.

Description

Headphone tuning structure and ear shell assembly

Technical field

The utility model relates to the technical field of headsets, in particular to a tuning structure of headsets and ear shell components.

Background technique

In the tuning technology of earphones, it is necessary to seal the left and right rear chambers of the earphones and have specific requirements for the volume of the rear chamber. Open a vent hole in the rear chamber of the earphone body, and paste different specifications of tuning paper on the vent hole. Adjust the audio to improve the sound quality. This structure usually has a hole directly in the back cover of the speaker, and the back cover of the speaker is usually in the back cover of the ear shell. Because the structure and space in the left and right ear shell back covers are inconsistent, the sound field effect on the left and right sides is caused. The difference is that by adding the rear cavity hidden type direct external venting mechanism, that is, the left and right sides of the venting mechanism are consistent, and because the hidden type does not affect the appearance of the beautiful.

Summary of the invention

technical problem

The technical problem to be solved by the utility model is to overcome the existing shortcomings and provide a headphone tuning structure and ear shell components. The air leakage of the rear cavity is connected through the EVA airtight connection, and then adjusted by the specifications of the tuning paper, so as to achieve The left and right sides of the earphone will not affect the sound quality consistency of the left and right sides of the earphone because of the difference in structure. The left rear cavity is hidden and directly vents the tuning hole, which is covered by the overall structure when the upper cover of the microphone arm is combined with the lower cover of the microphone arm. Live it, the right rear cavity is hidden and directly vented to the outside. The tuning hole is covered by the right arm to avoid affecting the appearance of the headset, which can effectively solve the problems in the background technology.

The solution to the problem

Technical solutions

In order to solve the above technical problems, the present utility model provides the following technical solutions:

The utility model provides a headphone tuning structure, which includes a speaker back cover, an ear shell back cover and a support arm. The upper part of the speaker back cover and the ear shell back cover are both provided with a venting tuning hole. The speaker back cover A vent channel is formed between the back cover of the ear shell and the support arm, the vent channel is in communication with the vent tuning hole, and one side of the vent tuning hole is provided with tuning paper to realize the sound from the vent tuning hole To the bleed channel.

As a preferred technical solution of the present invention, the speaker back cover includes a left speaker back cover.

As a preferred technical solution of the present invention, the speaker back cover includes a right speaker back cover.

As a preferred technical solution of the present invention, the back cover of the ear shell includes:

The left ear shell rear cover, the left ear shell rear cover is connected with the left speaker rear cover, and the upper part of the left ear shell rear cover and the left speaker rear cover are provided with a venting tuning hole.

As a preferred technical solution of the present invention, the back cover of the ear shell further includes:

The right ear shell rear cover, the right ear shell rear cover is connected with the right speaker rear cover, and the upper part of the right ear shell rear cover and the right speaker rear cover are provided with a venting tuning hole.

As a preferred technical solution of the present invention, the support arm includes:

The left arm, the left arm is arranged on one side of the left ear shell rear cover, so as to realize the formation of the air leakage channel between the left arm and the left ear shell rear cover.

The right arm, the right arm is arranged on one side of the right ear shell rear cover, so as to realize the formation of the air leakage channel between the right arm and the right ear shell rear cover.

As a preferred technical solution of the present invention, the tuning paper includes:

Left rear cavity tuning paper, the left rear cavity tuning paper is arranged on one side of the rear cover of the left speaker, and is used to block the venting tuning hole.

Right rear cavity tuning paper, the right rear cavity tuning paper is arranged on one side of the rear cover of the right speaker, and is used to block the venting tuning hole.

As a preferred technical solution of the present invention, the headphone tuning structure further includes:

The sealing component is arranged between the rear cover of the right ear shell and the rear cover of the right speaker,

And arranged between the left ear shell rear cover and the left speaker rear cover.

As a preferred technical solution of the present invention, the sealing component is a flexible object.

As a preferred technical solution of the present invention, the flexible material is EVA.

The ear shell assembly is characterized in that it includes:

A left ear shell assembly, the left ear shell assembly including the earphone tuning structure;

The right ear shell assembly, the right ear shell assembly includes the earphone tuning structure.

The beneficial effects of the invention

Beneficial effect

One or more technical solutions provided in the present invention have at least the following technical effects or advantages:

1. The left rear cavity is hidden directly venting the tuning hole, which is covered by the overall structure when the upper cover of the microphone arm is combined with the lower cover of the microphone arm, and the right rear cavity is hidden directly venting the tuning hole, which is by the right branch The arm is covered, and the rear cavity is hidden and directly vented to the outside. The tuning hole mechanism design will not affect the sound quality and consistency of the left and right sides due to the difference in the structure of the left and right ear shells. The rear cavity is designed to directly vent the tuning hole mechanism. , It is easier to satisfy the acoustic tuning and improve the sound quality.

2. The design of the rear cavity concealed direct venting tuning hole mechanism, the design is concealed and meets the acoustic needs without affecting the appearance.

Brief description of the drawings

Description of the drawings

The accompanying drawings are used to provide a further understanding of the utility model and constitute a part of the specification. Together with the embodiments of the utility model, they are used to explain the utility model and do not constitute a limitation to the utility model.

In the attached picture:

Figure 1 is an enlarged view of the left ear shell assembly B according to an embodiment of the present invention;

Figure 2 is an exploded view of the left ear shell assembly according to an embodiment of the present invention;

Figure 3 is an assembly diagram of the left ear shell assembly according to an embodiment of the present invention;

4 is a cross-sectional view of the left ear shell assembly A-A according to the embodiment of the present invention;

Figure 5 is a top view of the assembly of the left ear shell assembly according to an embodiment of the present invention;

Figure 6 is an enlarged view of the left ear shell assembly C according to an embodiment of the present invention;

Figure 7 is an assembled side view of the left ear shell assembly according to an embodiment of the present invention;

Figure 8 is an enlarged view of the right ear shell assembly D according to the embodiment of the present invention;

Figure 9 is an exploded view of the right ear shell assembly according to an embodiment of the present invention;

Figure 10 is an assembly diagram of the right ear shell assembly according to an embodiment of the present invention;

Figure 11 is a B-B cross-sectional view of the right ear shell assembly according to an embodiment of the present utility model;

Figure 12 is an assembled top view of the right ear shell assembly according to an embodiment of the present invention;

Figure 13 is an enlarged view of the right ear shell assembly E according to an embodiment of the present invention;

Fig. 14 is an assembled side view of the right ear shell assembly according to an embodiment of the present invention.

Labels in the picture: first left arm 1, left arm cover 2, flat head screw 3, microphone arm upper cover 4, microphone 5, microphone cover 6, microphone arm lower cover 7, battery 8, EVA9, left rear cavity tuning paper 10. Speaker 11, second left arm 12, pointed screw 13, left earmuff 14, left speaker front cover 15, left speaker rear cover 16, microphone arm holder 17, PCBA18, light guide 19, power switch 20 , Function switch 21, left ear shell rear cover 22; right arm 23, right arm cover 24, right ear shell rear cover 25, right rear cavity tuning paper 26, right speaker rear cover 27, right speaker front cover 28, right Earmuffs 29, air vent tuning hole 30, air vent channel 31, front cavity 32, rear cavity 33.

The best embodiment for implementing the invention

The best mode of the present invention

Please refer to Figures 1-7, the headphone tuning structure of the present invention includes a speaker back cover, an ear shell back cover and a support arm. The upper part of the speaker back cover and the ear shell back cover are both provided with a venting tuning hole 30. A vent channel 31 is formed between the horn back cover, the ear shell back cover, and the arm. The vent channel 31 communicates with the vent tuning hole 30, and one side of the vent tuning hole 30 is provided with a tuning hole. To realize the sound transmission from the bleed tuning hole 30 to the bleed channel 31, the sealing component is arranged between the right ear shell rear cover 25 and the right speaker rear cover 27, and the sealing component is a flexible object. The flexible material is EVA9 (in the figure, the arrow direction and the dashed line are the direct external venting channel 31 of the rear cavity. The amount of venting of the rear cavity can be adjusted by the mesh number of the left rear cavity tuning paper 10, and then compressed by EVA. The deflation tuning hole 30 is sealed in a circle, and the deflation of the rear cavity is led out of the rear cover of the left ear shell. The deflation tuning hole 30 of the rear cavity is enlarged at C. The side view and front view are all covered and cannot be seen. The vent hole of the back cavity is more concealed and more beautiful).

The speaker back cover includes a left speaker back cover 16, the left ear shell back cover 22 is connected to the left speaker back cover 16, the left ear shell back cover 22 and the left speaker back cover 16 are provided with Tune hole 30 discouraged.

The support arm includes:

The first left support arm 1, the first left support arm 1 is arranged on one side of the left ear shell rear cover 22, so as to realize the gap between the first left support arm 1 and the left ear shell rear cover 22 The bleed channel 31 is formed.

The tuning paper includes:

The left rear cavity tuning paper 10 is arranged on one side of the left speaker rear cover 16 and used to block the venting tuning hole 30.

Ear shell components, including:

Left ear shell assembly, the left ear shell assembly includes a first left arm 1, a left arm cover 2, a flat head screw 3, a microphone arm upper cover 4, a microphone 5, a microphone cover 6, a microphone arm lower cover 7, and a battery 8 , EVA9, left rear cavity tuning paper 10, speaker 11, second left arm 12, pointed screw 13, left earmuff 14, left speaker front cover 15, left speaker back cover 16, microphone arm holder fixing part 17, PCBA18 , Light guide 19, power switch 20, function switch 21 and left ear shell rear cover 22. When assembling, the microphone 5 is installed in the microphone cover 6 and then installed into the lower cover 7 of the microphone arm, and then the upper cover 4 of the microphone arm Put the small component of the microphone arm into the ultrasonic mold and use the ultrasonic method to weld and fix the microphone arm component, pass through the left ear shell back cover 22 microphone arm shaft hole, put on the microphone arm holder fixing piece 17 from below, lock the pointed screw 13 to fix it, and fix it on the left ear. Install the light guide 19, the power switch 20 and the function switch 21 on the corresponding position on the rear cover 22 of the shell. The battery 8 is glued to the PCBA18 with double-sided tape, and then installed on the rear cover 22 of the left ear shell. The left rear cavity tuning paper 10 is pasted under the deflation tuning hole 30 of the left horn rear cover 16, EVA9 is pasted on the deflation tuning hole 30 of the left horn rear cover 16, the horn 11 is installed in the left horn front cover 15 and the inner periphery is fixed and sealed with yellow glue. Fix it to the left ear shell back cover 22 with screws, install the left arm cover 2 on the first left arm 1 and fix it with the flat head screws 3 and then install it on the left ear shell back cover 22, and finally put on the left ear cover 14 to complete The horn 11 is glued and sealed in a circle. On the left horn front cover 15, the space at the front of the horn is the front of the horn, 32. The horn 11 is glued and sealed and fixed on the left horn front cover 15 and the left horn rear cover 16 in a circle. The space between is the rear cavity 33 of the horn.

Invention embodiment

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the following further describes the present utility model in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present utility model, and are not used to limit the present utility model.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

In the description of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", and "vertical" , "Horizontal", "Top", "Bottom", "Inner", "Outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description. It does not indicate or imply that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "multiple" means two or more than two, unless otherwise specifically defined.

In order to better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the accompanying drawings of the specification and specific implementations.

Embodiments of the present invention

Please refer to Figures 8-14, the headphone tuning structure of the present invention includes a speaker back cover, an ear shell back cover and a support arm. The upper part of the speaker back cover and the ear shell back cover are both provided with a venting tuning hole 30. A vent channel 31 is formed between the horn back cover, the ear shell back cover, and the arm. The vent channel 31 communicates with the vent tuning hole 30, and one side of the vent tuning hole 30 is provided with a tuning hole. Sound paper to realize the sound transmission from the deflation tuning hole 30 to the deflation passage 31 (the arrow direction and the dashed line are the vent passage 31 of the rear cavity, and the amount of deflation in the rear cavity can pass through the mesh of the right rear cavity tuning paper 26 To adjust, and then use EVA compression to ensure the 30-circle sealing of the deflation tuning hole, and lead the deflation of the rear cavity out of the rear cover of the right ear shell. The deflation tuning hole 30 of the rear cavity is viewed from the top. Both the view and the front view are hidden from view, so that the vent hole of the rear cavity is more concealed and more beautiful).

The speaker back cover includes a right speaker back cover 27.

The ear shell back cover also includes:

The right ear shell rear cover 25 is connected with the right speaker rear cover 27, and the upper part of the right ear shell rear cover 25 and the right speaker rear cover 27 are provided with a venting tuning hole 30.

The support arm includes:

The right arm 23, the right arm 23 is arranged on one side of the right ear shell back cover 25, so as to form the air leakage channel 31 between the right arm 23 and the right ear shell back cover 25 .

The tuning paper includes:

Right rear cavity tuning paper 26, the right rear cavity tuning paper 26 is arranged on one side of the right speaker back cover 27, used to block the vent tuning hole 30, and the left rear cavity is hidden directly to the outside vent tuning hole 30 , Is covered by the overall structure when the upper cover 4 of the microphone arm is combined with the lower cover 7 of the microphone arm.

The headphone tuning structure also includes:

The sealing component, the sealing component is arranged between the right ear shell rear cover 25 and the right horn rear cover 27, the sealing component is a flexible object, and further, the flexible object is EVA9.

Ear shell components, including:

The right ear shell assembly also includes a speaker 11, a right arm 23, a right arm cover 24, a right ear shell back cover 25, a right rear cavity tuning paper 26, a right speaker back cover 27, a right speaker front cover 28, and a right earmuff 29 , The deflation tuning hole 30 and the deflation channel 31, when the right ear shell assembly is assembled, the right rear cavity tuning paper 26 is pasted under the deflation tuning hole 30 on the right speaker back cover 27, and EVA9 is pasted on the right speaker back cover 27 Above the deflated tuning hole 30, the horn 11 is inserted into the right horn front cover 28 and the inner periphery is fixed and sealed with yellow glue, and fixed to the right rear cavity tuning paper 26 with screws. The right arm cover 24 is installed on the right arm 23 with a flat head The screw 3 is fixed and installed on the right rear cavity tuning paper 26, and finally the right earmuff 29 is put on to complete. The speaker 11 is glued and fixed in a circle on the right speaker front cover 28 and the space between the right speaker rear cover 27 is a speaker In the rear cavity 33 of 11, the horn 11 is sealed and fixed with glue in a circle. On the front cover 28 of the right horn, the space at the front end of the horn is the front cavity 32 of the horn.

Industrial applicability

The left rear cavity is hidden and directly vented to the outside of the tuning hole, which is covered by the overall structure when the upper cover of the microphone arm is combined with the lower cover of the microphone arm, and the right rear cavity is hidden directly to the outside of the vented tuning hole, which is covered by the right arm Live it, the rear cavity hidden direct venting tuning hole mechanism design, will not affect the sound quality and consistency of the left and right sides due to the difference in the internal structure of the left and right ear shells, the rear cavity hidden directly venting tuning hole mechanism design, more It is easy to meet the acoustic tuning and improve the sound quality. The rear cavity is concealed and directly vented to the outside. The tuning hole mechanism design is concealed and meets the acoustic needs without affecting the appearance.

Finally, it should be noted that the above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, it is for those skilled in the art It is still possible to modify the technical solutions described in the foregoing embodiments, or equivalently replace some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

The headphone tuning structure is characterized in that it includes:

The speaker back cover, the ear shell back cover and the support arm, the upper part of the speaker back cover and the ear shell back cover are both provided with a vent tuning hole (30), between the speaker back cover, the ear shell back cover and the support arm A bleed channel (31) is formed, the bleed channel (31) is in communication with the bleed tuning hole (30), and one side of the bleed tuning hole (30) is provided with a tuning paper to realize the sound from the bleed The sound hole (30) is passed to the bleed channel (31).
The headphone tuning structure according to claim 1, wherein the speaker back cover comprises a left speaker back cover (16).
The headphone tuning structure according to claim 1, wherein the speaker back cover comprises a right speaker back cover (27).
The headphone tuning structure according to claim 2, wherein the back cover of the ear shell comprises:

The left ear shell back cover (22), the left ear shell back cover (22) is connected with the left speaker back cover (16), the left ear shell back cover (22) and the left speaker back cover (16) The upper part of the) is provided with a venting tuning hole (30).
The headphone tuning structure according to claim 3, wherein the back cover of the ear shell further comprises:

The right ear shell back cover (25), the right ear shell back cover (25) is connected with the right speaker back cover (27), the right ear shell back cover (25) and the right speaker back cover (27) are arranged on the upper part There is a deflated tuning hole (30).
The headphone tuning structure according to claim 4, wherein the support arm comprises:

The first first left support arm (1), the first left support arm (1) is arranged on one side of the left ear shell rear cover (22) to realize the first left support arm (1) and The air leakage channel (31) is formed between the rear cover (22) of the left ear shell.
The headphone tuning structure according to claim 5, wherein the support arm comprises:

The right arm (23), the right arm (23) is arranged on one side of the right ear shell rear cover (25) to realize the right arm (23) and the right ear shell rear cover ( 25) The air leakage channel (31) is formed between.
The headphone tuning structure according to claim 6, wherein the tuning paper comprises:

The left rear cavity tuning paper (10), the left rear cavity tuning paper (10) is arranged on one side of the left speaker back cover (16), and is used for sealing the venting tuning hole (30).
8. The headphone tuning structure according to claim 7, wherein the tuning paper comprises:

The right rear cavity tuning paper (26), the right rear cavity tuning paper (26) is arranged on one side of the right speaker rear cover (27), and is used to block the venting tuning hole (30).
The headphone tuning structure according to claim 8 or 9, characterized in that it further comprises:

The sealing component is arranged between the right ear shell rear cover (25) and the right speaker rear cover (27),

And arranged between the left ear shell rear cover (22) and the left speaker rear cover (16).
The headphone tuning structure according to claim 10, wherein the sealing component is a flexible object.
The headphone tuning structure according to claim 11, wherein the flexible object is EVA (9).
The ear shell assembly is characterized in that it includes:

A left ear shell assembly, the left ear shell assembly comprising the earphone tuning structure of any one of claims 1, 2, 4, 6, 8, 10, 11, and 12;

The right ear shell assembly, the right ear shell assembly comprising the earphone tuning structure according to any one of claims 3, 5, 7, 9, 10, 11, and 12.