CN209861106U

CN209861106U - Be applied to bone conduction sound generating mechanism's rubber vibrating diaphragm

Info

Publication number: CN209861106U
Application number: CN201822052597.0U
Authority: CN
Inventors: 徐平; 党宗信
Original assignee: Shenzhen Langevan Creative Technology Ltd
Current assignee: Shenzhen Langevan Creative Technology Ltd
Priority date: 2018-12-07
Filing date: 2018-12-07
Publication date: 2019-12-27
Anticipated expiration: 2028-12-07

Abstract

A rubber diaphragm applied to a bone conduction sound production device comprises a diaphragm body, wherein the diaphragm body comprises a first side surface and a second side surface; the first side surface extends upwards to form a contact boss which is used for directly contacting the skin around the ear of the user; the second side surface is inwards sunken to form a concave cavity, the center of the bottom in the concave cavity extends to form a central part, the bottom in the central part is surrounded and connected with the inner side wall of the vibrating diaphragm body through a suspension edge, and the vibrator is directly connected with the vibrating diaphragm, so that the conduction area is increased, the sound is increased, the low frequency is increased, and the efficiency of the whole audio system is improved; the thickness of the suspension edge is buffered by the vibrator; the PCB and the vibrator are perfectly combined, the lead is prevented from being broken, the service life is prolonged, the vibrating diaphragm accords with the human engineering design, the vibrating diaphragm is perfectly attached to the face of a person, and the experience is improved; meanwhile, the diaphragm is integrally formed, so that the production cost is reduced, and the assembly efficiency is improved.

Description

Be applied to bone conduction sound generating mechanism's rubber vibrating diaphragm

Technical Field

The utility model relates to a bone conduction technical field, concretely relates to be applied to bone conduction sound generating mechanism's rubber vibrating diaphragm.

Background

The earphone is a common article in daily life of people, can better meet the individual hearing requirement, and can not cause interference to the surrounding environment.

There are many types of earphones, and common earphones include an earplug type earphone, an earphone type earphone, and a rear-hanging earphone. The rear-hanging earphone is widely favored because it is directly hung on the auricle and attached to the ear, and is comfortable to wear and has a good effect. But the ear hook of the rear-hanging earphone is connected with the machine body through the rotating shaft. The rotation time is of a long time, the gap between the rotating shaft and the shaft sleeve can be gradually increased, so that the rotating shaft and the earphone cannot be relatively fixed, the service life of the earphone is short, and in addition, the rear-hanging earphone in the prior art is large in size, inconvenient to carry or store and causes great trouble to users.

Bone conduction is a sound conduction mode, namely, sound is converted into mechanical vibration with different frequencies, and sound waves are transmitted through the skull, the bone labyrinth, the lymph fluid transmission of the inner ear, the spiral organ, the auditory nerve and the auditory center of a human body. The bone conduction earphone receives the telephone by using a bone conduction technology, is tightly attached to the bone, and directly transmits the sound wave to the auditory nerve through the bone. Therefore, the ear drum can be opened without damaging the eardrum, and is also popular among consumers. However, the diaphragm of the current bone conduction earphone needs to transmit sound, so the skin of the person directly wearing the earphone needs to be contacted, the wearing comfort needs to be adjusted, a very good wearing experience is provided for a client, and meanwhile, because the bone conduction earphone has more unit elements, a relatively troublesome production process and assembly process need to be performed, which increases the production cost of the bone conduction earphone.

SUMMERY OF THE UTILITY MODEL

In order to effectively solve the problem, the utility model provides a be applied to bone conduction sound generating mechanism's rubber vibrating diaphragm.

The utility model discloses a concrete technical scheme as follows: a rubber diaphragm applied to a bone conduction sound production device comprises a diaphragm body, wherein the whole diaphragm body is of a disc-shaped structure, and the diaphragm body comprises a first side surface and a second side surface, wherein the first side surface is used for being attached to a human body to conduct bone conduction, and the second side surface is used for being connected with a bone conduction earphone shell; the first side surface extends upwards to form a contact boss which is used for directly contacting the skin around the ear of the user; the second side surface is inwards sunken to form a concave cavity, the center of the bottom in the concave cavity extends to form a center part, and the bottom in the center part is surrounded by a suspension edge and is connected with the inner side wall of the diaphragm body.

Furthermore, one side face, opposite to the bottom in the concave cavity, of the central portion is inwards recessed to form a groove, and a circular PCB adapter plate is arranged at the center of the groove.

Further, the thickness of the suspension edge is 0.5 mm.

Furthermore, an extension part is symmetrically formed on the outer periphery of the second side surface in an extending mode and used for being buckled and connected with a shell of the bone conduction earphone.

Furthermore, the contact boss is integrally in a cylindrical shape, the vertical height of the contact boss is 0.5-1mm, and the vertical height of the contact boss is 0.8 mm.

Further, the depth of the concave cavity is 0.7-1mm, and the depth of the concave cavity is 0.8 mm.

A speaker assembly for a bone conduction earphone, comprising the rubber diaphragm of any one of claims 1 to 6, wherein the speaker assembly further comprises a vibrator, a vibrator boss is disposed on one side surface of the vibrator and is bonded to the groove in a matching manner, and a central position of the vibrator boss is recessed inwards to form a receiving space for receiving the PCB adapter plate.

The utility model has the advantages that:

1. the vibrator is directly connected with the vibrating diaphragm, so that the conduction area is increased, the sound is increased, the low frequency (bass) is increased, and the efficiency of the whole audio system is improved;

2. the thickness of the suspension edge is buffered by the vibrator;

3. the PCB and the vibrator are perfectly combined, so that the lead is prevented from being broken, and the service life is prolonged;

4. the bionic hole is attractive in design, the inner wall noise reduction principle is applied, the conduction area is reduced, the tone quality is adjusted, high frequency is attenuated, and external sound interference is reduced;

5. the vibrating diaphragm conforms to the ergonomic design, perfectly fits the human face and improves the experience;

6. meanwhile, the diaphragm is integrally formed, so that the production cost is reduced, and the assembly efficiency is improved.

Drawings

Fig. 1 is a first perspective view of the diaphragm of the present invention;

fig. 2 is a second perspective view of the diaphragm of the present invention;

fig. 3 is a cross-sectional view of the diaphragm of the present invention;

fig. 4 is a schematic perspective view of the vibrator of the present invention;

fig. 5 is an exploded view of the speaker assembly of the present invention.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and do not limit the application scope of the present invention, and for those skilled in the art, the present invention can be applied to other similar scenes according to the drawings without creative efforts;

as used in this specification and the appended claims, the singular forms "a", "an", and/or "the" include plural referents unless the context clearly dictates otherwise. In general, the terms "comprises" or "comprising" merely indicate that steps and elements which are explicitly identified are included, that these steps and elements do not constitute an exclusive list, and that a method or apparatus may also comprise other steps or elements. The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment". Relevant definitions for other terms will be given in the following description;

hereinafter, without loss of generality, in describing the bone conduction related art of the present invention, the description of "bone conduction speaker" or "bone conduction earphone" will be adopted. The description is merely an application form of the bone conduction application, and it is obvious to those skilled in the art that the "speaker" or the "earphone" may be replaced by other similar words, such as "player", "hearing aid", and the like. Indeed, various implementations of the present invention may be readily applied to other non-speaker-like hearing devices. For example, it will be apparent to those skilled in the art that, having the benefit of the general principles of bone conduction speakers, various modifications and changes in form and detail may be made to the specific manner and procedure of implementing the bone conduction speaker without departing from such principles, and in particular, the incorporation of ambient sound pickup and processing functionality into the bone conduction speaker to enable the speaker to function as a hearing aid.

As shown in fig. 1, fig. 2 and fig. 3, for the utility model provides a be applied to the stereogram of rubber diaphragm of bone conduction sound generating mechanism and the stereogram of other visual angles, the rubber diaphragm includes diaphragm body 1, diaphragm body 1 wholly is the disc structure, and diaphragm body 1 includes that one is used for carrying out the first side 11 of bone conduction and one is used for the second side 12 of being connected with bone conduction earphone shell with the human laminating.

Upwards extend on the first side 11 and form a contact boss 2, contact boss 2 is used for the skin of direct contact user ear week side, contact boss 2 wholly is "cylindrical" shape, and the vertical height of contact boss 2 is 0.5-1mm, as preferred, the vertical height of contact boss 2 is 0.8mm, and the skin of perfect laminating user ear week side is worn comfortablely, and sound effect is better.

The second side surface 12 is recessed inwards to form a cavity 3, the depth of the cavity 3 is 0.7-1mm, preferably 0.8mm, a cylindrical central part 4 is formed in the cavity 4 in an extending mode at the center of the bottom of the cavity, one side surface of the central part 4 opposite to the bottom of the cavity is recessed inwards to form a groove 41, and a circular PCB adapter plate 42 is arranged at the center of the groove 41; the bottom in the central part 4 is surrounded and connected with the inner side wall of the vibrating diaphragm body 1 through a suspension edge 6, and the thickness of the suspension edge 6 is 0.5 mm; and the suspension edge 6 is used for slowing down the ship power of the vibrator and improving the conduction efficiency.

An extension 121 is symmetrically formed on the outer periphery of the second side 12, and the extension 121 is used for being buckled with the housing of the bone conduction headset.

The hardness of the diaphragm body 1 is 40-60 degrees, the hardness is shore a hardness, the unit is HA, and the hardness of the diaphragm body 1 is preferably 50 degrees, so that external sound can be effectively reduced; the soft silica gel is faced, so that the soft silica gel is soft to wear and has better comfort; the medium-high frequency transmission can be enhanced, and the sound effect is better; the integrated molding can be realized, the workload of assembly is reduced, and the assembly is simpler and more convenient.

The utility model discloses a further embodiment still be equipped with the bionical hole of a plurality of inside sunken formation on the first side 11, bionical hole cross-section is the triangle-shaped shape, and bionical hole set up in contact boss 2's week side, here bionical hole can adjust tone quality based on the principle of amortization indoor wall, attenuates the high frequency, reduces area of conduction, reduces outer sound interference.

As shown in fig. 4 and 5, for the utility model discloses a oscillator three-dimensional schematic diagram and subassembly of raising one's voice's explosion chart, the subassembly of raising one's voice includes foretell vibrating diaphragm body 1, the subassembly of raising one's voice still includes oscillator 5, a side of oscillator 5 be equipped with the oscillator boss 51 that recess 41 cooperation was bonded, and the central point department of putting of oscillator boss 51 is inwards sunken to form one and is used for the holding PCB keysets 42's accommodation space 52, PCB keysets 42 passes through wire electric connection oscillator 5, here PCB keysets 42 is placed inside accommodation space 52, can prevent the wire fracture, and life increases.

The vibrator 5 is bonded with the vibrating diaphragm body 1 through the vibrator boss 51, and the depth of the groove 41 can be well connected with the vibrating diaphragm body 1 while glue is prevented from overflowing.

The oscillator 5 is connected with the vibrating diaphragm body 1 completely, so that the conduction area is increased, the sound is increased, the low frequency (bass) is increased, and the efficiency of the whole audio system is improved.

Claims

1. The rubber diaphragm is applied to a bone conduction sound production device and is characterized by comprising a diaphragm body, wherein the whole diaphragm body is of a disc-shaped structure and comprises a first side surface and a second side surface, the first side surface is used for being attached to a human body to conduct bone conduction, and the second side surface is used for being connected with a bone conduction earphone shell; the first side surface extends upwards to form a contact boss which is used for directly contacting the skin around the ear of the user; the second side surface is inwards sunken to form a concave cavity, the center of the bottom in the concave cavity extends to form a center part, and the bottom in the center part is surrounded by a suspension edge and is connected with the inner side wall of the diaphragm body.

2. The rubber diaphragm applied to the bone conduction sound production device is characterized in that one side face, opposite to the inner bottom of the concave cavity, of the central portion is inwards recessed to form a groove, and a circular PCB adapter plate is arranged at the center of the groove.

3. The rubber diaphragm applied to the bone conduction sound production device of claim 1, wherein the thickness of the overhanging fringe is 0.5 mm.

4. The rubber diaphragm applied to the bone conduction sound production device of claim 1, wherein an extension portion is symmetrically formed on the outer periphery of the second side surface in an extending manner, and the extension portion is used for being buckled and connected with a shell of a bone conduction earphone.

5. The rubber diaphragm applied to the bone conduction sound production device, according to claim 1, wherein the contact boss is entirely in a "cylindrical" shape, and the vertical height of the contact boss is 0.5-1mm, and the vertical height of the contact boss is 0.8 mm.

6. The rubber diaphragm applied to the bone conduction sound production device, as recited in claim 1, wherein the cavity has a depth of 0.7-1mm, and the cavity has a depth of 0.8 mm.

7. The rubber diaphragm applied to the bone conduction sound production device according to claim 2, further comprising a speaker component, and is characterized in that the speaker component is a vibrator, a vibrator boss matched and bonded with the cavity is arranged on one side face of the vibrator, and the center position of the vibrator boss is inwards sunken to form an accommodating space for accommodating the circular PCB adapter plate.