CN217388975U

CN217388975U - Bone conduction machine core for improving sound leakage and bone conduction earphone applying same

Info

Publication number: CN217388975U
Application number: CN202221111019.XU
Authority: CN
Inventors: 谢嗣海; 毛华生; 马浩
Original assignee: Dongguan Liesheng Electronic Co Ltd
Current assignee: Dongguan Liesheng Electronic Co Ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-09-06
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses an improve osteoacusis core of sound leakage and use osteoacusis earphone of this core, this core includes the casing and installs at the inside transducer of casing, the casing contact zone has, when the earphone uses, contact zone and human contact, in the casing on be provided with a soft rubber ring, this rubber ring encircles in contact zone periphery. The utility model discloses contact area outlying outside angular position sets up the rubber ring on the core housing, encircles whole contact area through the rubber ring, and human head can be hugged closely to the rubber ring, forms the syllable-dividing circle that the round encircleed to the contact area, prevents to leak the sound. The bone conduction earphone using the movement can enhance the experience of tone quality.

Description

Bone conduction machine core for improving sound leakage and bone conduction earphone applying same

The technical field is as follows:

the utility model relates to an earphone product technology field refers in particular to a bone conduction core of improving sound leakage and the bone conduction earphone of using this core.

Background art:

bone conduction headsets typically include two headset bodies and a rear suspension assembly connecting the two headset bodies. The earphone body comprises an ear pendant and a movement which are fixedly connected together, wherein the movement is used as a core component of the bone conduction earphone and is required to be in contact with the skin surface of the head of a user in the use process. The transduction device is arranged in the earphone core and enables the skin contact area of the earphone body to generate bone conduction sound.

In the wearing process of the bone conduction earphone, the inner side surface of the movement is provided with a contact area contacted with the skin. In order to obtain a better acoustic performance, the contact area should be arranged in close contact with the skin of the user, so that bone conduction sound generated in the transducer device can be effectively transmitted to the human body, and the user can hear the sound generated by the earphone. In order to facilitate the transmission of the bone conduction sound and at the same time ensure the comfort of the user, at least the contact area part adopts silica gel as a shell. Due to the production process of the product, the outer corners of the edges of the housing where the contact areas are located usually have a certain rounded chamfer. In the use process, the contact area of the bone conduction earphone is attached to the skin area on two sides of the head of a human body, and due to the existence of the arc chamfer, a gap is easily formed at the chamfer position, so that the sound leakage condition is caused.

The utility model has the following contents:

the utility model aims to solve the technical problem that the prior art is not enough to overcome, and a bone conduction core for improving sound leakage is provided.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides an improve bone conduction core that leaks sound, this core include the casing and install at the inside transducer of casing, the casing have contact area, when the earphone uses, contact area and human contact in the casing on be provided with a soft rubber ring, this rubber ring surrounds in contact area periphery.

Further, in the above technical solution, the rubber ring is made of foamed silica gel and is fixed to the housing by bonding or fitting. The rubber ring is soft by adopting the foamed silica gel, and can deform correspondingly along with the shapes of the two side areas of the head of the human body, so that the rubber ring is tightly attached to the head area of the human body.

Furthermore, in the technical scheme, the end face of the rubber ring facing the human body does not exceed the plane where the contact area is located, so that the contact area can be tightly attached to the head of the human body, and a gap between the contact area and the head of the human body cannot be formed due to the existence of the rubber ring to influence bone conduction.

Further, in the above technical solution, the rubber ring is located at an outer corner of a surface where the contact area of the housing is located.

The utility model discloses another technical problem that will solve just lies in providing the osteoacusis earphone of using above-mentioned core, and the technical scheme of its adoption is: a bone conduction headset, comprising: two earphone main parts and connect the back of two earphone main parts and hang the subassembly, earphone main part including setting up the core at its terminal, the core adopt foretell bone conduction core of improving sound leakage.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses contact area outlying outside angular position sets up the rubber ring on the core housing, encircles whole contact area through the rubber ring, and human head can be hugged closely to the rubber ring, forms the syllable-dividing circle that the round encircleed to the contact area, prevents to leak the sound. The bone conduction earphone using the movement can enhance the experience of tone quality.

Description of the drawings:

fig. 1 is a schematic structural diagram of a bone conduction earphone according to the present invention;

fig. 2 is a perspective view of the main body of the earphone of the present invention;

FIG. 3 is a front view of the core portion of the present invention;

fig. 4 is a sectional view taken along line a-a in fig. 3.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

As shown in fig. 1, this is the bone conduction earphone of the present invention, which includes: the earphone comprises two earphone bodies 10 and a rear hanging assembly 30 connected with the two earphone bodies 10, wherein an enclosed area formed by the two earphone bodies 10 and the rear hanging assembly 30 corresponds to the shape of the head of a human body.

As shown in fig. 2, the headphone body 10 includes: the earphone comprises an ear hanging piece 4 and a machine core 1 which are fixedly connected, wherein the ear hanging piece 4 is used for installing a circuit board and a battery, and a connecting part between the other parts of the ear hanging piece 4 and the machine core 1 forms a bending shape which is used for being matched with the auricle shape of a human body so that the earphone can be hung on the ear of a user.

As shown in fig. 3 and 4, the movement 1 includes: the earphone comprises a shell 11 and a transducer 12 arranged in the shell 11, wherein the inner side surface of the shell 11 is used as a contact area 110 contacted with a human body, and when the earphone is used, the contact area 110 is contacted with the human body. In order to increase the user comfort, the housing 11 is made of a conventional silicone material at least in the contact area 110.

A soft rubber ring 2 is arranged on the shell 11, and the rubber ring 2 surrounds the periphery of the contact area. This rubber ring 2 adopts the foaming silica gel material, can improve rubber ring 2's compression deformability like this, can more effectual laminating user's head when using. The connection mode between the rubber ring 2 and the shell 11 can adopt the following modes: (1) the rubber ring 2 is directly bonded on the shell 11 through glue; (2) an annular groove is formed in the shell 11, the shape of the groove is a shape with a large inner opening, such as a dovetail groove shape, a shape corresponding to the groove is formed at one end of the rubber ring 2, and then the rubber ring 2 is clamped and embedded in the groove by utilizing the compressible deformation characteristic of the rubber ring 2.

In order not to prevent the normal transmission of the vibration generated by the transducer 12 to the human body, the end of the rubber ring 2 facing the human body does not exceed the plane B of the contact area 110, as shown in fig. 4. The preferred design is that the end face of the rubber ring 2 facing the human body is exactly flush with the plane B. If the end face of the rubber ring 2 is higher than the plane B where the contact area 110 is located, a gap is formed between the plane B and the skin of a human body in the use process, and the normal transmission of vibration is influenced. If the end face of the rubber ring 2 is obviously lower than the plane B where the contact area 110 is located, the rubber ring 2 will not form an effective voice coil at the periphery of the contact area 110, and the effect of improving the sound leakage is not great. Therefore, the design of flushing can be adopted to ensure that the sound-proof ring can be effectively contacted with a human body in the using process, the vibration generated by the transducer 12 can be effectively transmitted to the human body, meanwhile, the rubber ring 2 can form an effective sound-proof ring at the periphery of the contact area 110, the whole contact area 110 is encircled by the rubber ring 2, the rubber ring 2 can be tightly attached to the head of the human body through the deformation of the rubber ring 2, and a circle of encircled sound-proof ring is formed on the contact area 110 to prevent sound leakage.

Furthermore, because conventional core 1 is when producing the preparation, the casing 11 edge outside angle that contact zone 110 belongs to usually has certain circular arc chamfer R, and the condition that takes place to leak the sound takes place in circular arc chamfer R department usually, so the utility model discloses in the manufacturing process, rubber ring 2 is located the outside angle department on casing 11 contact zone 110 place surface, just in time is located circular arc chamfer R department.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. A bone conduction movement for improving sound leakage, the movement (1) comprises a shell (11) and a transduction device (12) arranged in the shell (11), the shell (11) is provided with a contact area (110), when the earphone is used, the contact area (110) is in contact with a human body, and the bone conduction movement is characterized in that:

a soft rubber ring (2) is arranged on the shell (11), and the rubber ring (2) surrounds the periphery of the contact area.

2. A bone conduction core for improving sound leakage according to claim 1, wherein: the rubber ring (2) is made of foaming silica gel and is fixed on the shell (11) in an adhering or embedding mode.

3. A bone conduction core for improving sound leakage according to claim 1, wherein: the end face of the rubber ring (2) facing the human body does not exceed the plane of the contact area (110).

4. A bone conduction core for improving sound leakage according to claim 1, wherein: the rubber ring (2) is positioned at the outer corner of the surface of the contact area (110) of the shell (11).

5. A bone conduction headset, comprising: two earphone main parts (10) and connect back of two earphone main parts (10) and hang subassembly (30), earphone main part (10) including setting up core (1) at its end, its characterized in that: the movement (1) adopts the bone conduction movement for improving the leakage sound according to any one of claims 1 to 4.