CN219536271U - Bone conduction earphone capable of being stably assembled and improving waterproof performance - Google Patents

Abstract

The utility model is suitable for the field of bone conduction equipment, and discloses a bone conduction earphone which is firmly assembled and has improved waterproof performance, and the bone conduction earphone comprises a vibrator assembly, a body assembly, an ear-hanging assembly and a rear-hanging assembly, wherein the vibrator assembly comprises a vibrator rear shell, and a first accommodating groove for accommodating a vibrator is formed in an opening at one side of the vibrator rear shell; the machine body assembly comprises a machine body rear shell, and a second accommodating groove is formed in an opening at one side of the machine body rear shell; the ear-hook assembly comprises a memory steel wire, two ends of the memory steel wire are respectively fixed on the vibrator rear shell and the machine body rear shell, the bone conduction earphone further comprises a soft shell, the vibrator rear shell, the memory steel wire and the machine body rear shell are all fixed in the soft shell, and the soft shell covers the vibrator rear shell and other areas of one side of the machine body rear shell except for the opening. According to the utility model, the vibrator rear shell, the memory steel wire and the machine body rear shell are fixed in the soft shell together, so that the integrated forming is realized, the assembling stability of the bone conduction earphone is improved, and the water inflow in the vibrator rear shell and the machine body rear shell is reduced.

Description

Bone conduction earphone capable of being stably assembled and improving waterproof performance

Technical Field

The utility model relates to the field of bone conduction equipment, in particular to a bone conduction earphone which is stable to assemble and improves waterproof performance.

Background

Bone conduction is one way of sound conduction, converting sound into mechanical vibrations of different frequencies, transmitting sound waves through the skull, bone labyrinth, inner ear lymph, augers and auditory centers of a person. In the existing bone conduction earphone product, the vibrator shell and the machine body shell are all in split arrangement, two ends of the ear hanging wire are respectively connected with the vibrator shell and the machine body shell, specifically, two ends of the ear hanging wire are respectively buckled with the vibrator shell and the machine body shell, connection of the vibrator shell and the machine body shell is realized through glue bonding, the split assembly mode increases two connection positions, the assembly is easy to loose, and water leakage is easy to occur at the connection positions, so that the waterproof performance of the whole earphone is poor.

In addition, the bone conduction earphone disclosed in the prior art adopts the structure that the elastic coating is distributed on the vibrator shell, the ear hook and the circuit board shell to seal two connecting positions, however, the coverage area of the elastic coating is small in the patent, the elastic coating does not extend to the outside of the accommodating space of the vibrator shell and the circuit board shell, and the keys on the shell are not covered, so that certain defects still exist in the waterproof effect of the product. In addition, the fixing mode of the connector-plug fit is realized between the rear hanging and the circuit board shell through the buckle, the connection position is easy to break, and the fixing is unstable.

Disclosure of Invention

The utility model aims at solving at least one of the technical problems existing in the prior art, and therefore, the utility model provides the bone conduction earphone which is stably assembled and has improved waterproof performance.

The bone conduction earphone comprises a vibrator assembly, a body assembly, an ear-hanging assembly and a rear-hanging assembly, wherein the vibrator assembly comprises a vibrator rear shell, and a first accommodating groove for accommodating a vibrator is formed in an opening at one side of the vibrator rear shell; the fuselage assembly comprises a fuselage rear shell, and a second accommodating groove is formed in an opening at one side of the fuselage rear shell; the ear hook assembly comprises a memory steel wire, two ends of the memory steel wire are respectively fixed on the vibrator rear shell and the machine body rear shell, the bone conduction earphone further comprises a soft shell, the vibrator rear shell, the memory steel wire and the machine body rear shell are all fixed in the soft shell, and the soft shell covers the vibrator rear shell and other areas of one side of the machine body rear shell except for an opening.

In the technical scheme, the thickness of the soft shell at the positions of the vibrator rear shell and the machine body rear shell is smaller than that of the soft shell at the position of the memory steel wire.

In the technical scheme, the thickness of the soft shell is 0.2mm-2mm.

Further specifically speaking, in the above-mentioned technical scheme, the both ends of back string subassembly are provided with the connecting piece, the connecting piece is close to the one end of fuselage backshell is provided with first screw hole, the fuselage backshell is provided with connecting piece insertion hole and second screw hole, first screw hole with the second screw hole is used for the screw fixation.

Further specifically, in the above technical scheme, a first step structure is provided on the connector, a second step structure which is mutually matched with the first step structure is provided in the connector insertion hole, and when the two step structures are propped against each other, the first screw hole is aligned with the second screw hole.

Further specifically, in the above technical scheme, the ear-hook assembly further comprises an ear-hook wire, a first circuit board is arranged in the back shell of the machine body, the ear-hook wire is electrically connected to the vibrator and the first circuit board, and the ear-hook wire and the memory steel wire are fixed into a whole.

Further specifically, in the above technical solution, the first circuit board is provided with a PIN.

Further specifically, in the above technical solution, the bone conduction earphone further includes a key assembly, and the key assembly is electrically connected to the first circuit board and located in the flexible housing.

More specifically, in the above technical solution, the vibrator assembly further includes a vibrator front cover, where the vibrator front cover covers the vibrator rear case; the oscillator front cover is a hard oscillator front cover, and a soft outer layer is injection-molded on the outer surface of the oscillator front cover.

More specifically, in the above technical solution, the body assembly further includes a body side cover, and the body side cover covers the body rear shell; the machine body side cover is a hard machine body side cover, and a soft outer layer is injection molded on the outer surface of the machine body side cover.

Compared with the prior art, the embodiment of the utility model has the following beneficial effects:

1. the vibrator rear shell, the memory steel wire and the machine body rear shell are fixed in the soft shell together, and particularly, the vibrator rear shell, the memory steel wire and the machine body rear shell can be placed in a soft shell mold together to cover the soft shell, so that the integrated forming is realized, and the assembling stability of the bone conduction earphone is improved.

2. The vibrator is arranged in the vibrator rear shell, the circuit board or the battery is arranged in the body rear shell, and the soft shell covers all areas of the vibrator rear shell and the body rear shell, so that secondary protection is formed at the vibrator and the body, key areas on the shell are covered, and the waterproof performance of the bone conduction earphone is further improved.

3. The back is hung the subassembly and is fixed through step location, screw between the fuselage subassembly, has further increased the reliability of back and is hung the subassembly and be connected with the fuselage subassembly, adopts the fixed mode of screw to be convenient for the dismantlement of product to improve the convenience of later maintenance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an explosive structure of the present utility model;

FIG. 2 is a schematic view of an exploded view of the vibrator assembly, the body assembly, the ear-hook assembly and the flexible enclosure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the assembled flexible shell;

FIG. 4 is a schematic view of a construction of the connector of the present utility model;

fig. 5 is a schematic view of a structure of the first view of the back shell of the fuselage of the present utility model;

FIG. 6 is a schematic diagram of a first circuit board according to the present utility model;

fig. 7 is a schematic structural view of the second view of the fuselage rear shell of the present utility model.

In the figure: 101. a vibrator rear case; 102. a vibrator; 103. a vibrator front cover; 201. a fuselage rear shell; 2011. a second screw hole; 2012. a connector insertion hole; 2013. a second step structure; 202. a first circuit board; 2021. a PIN needle; 203. a body side cover; 3. an ear-hook assembly; 301. memorizing the steel wire; 302. an ear-hanging wire; 4. a rear hitch assembly; 401. hanging a wire; 5. a key assembly; 6. a flexible housing; 7. a connecting piece; 701. a first screw hole; 702. a first step structure.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Furthermore, the terms "first," "second," "third," and the like in the description of the present specification and in the appended claims, are used for distinguishing between descriptions and not necessarily for indicating or implying a relative importance.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Referring to fig. 1-2, the utility model provides a bone conduction earphone with stable assembly and improved waterproof performance, which comprises a vibrator assembly, a body assembly, an ear-hanging assembly 3 and a rear-hanging assembly 4, wherein the vibrator assembly comprises a vibrator rear shell 101, and a first accommodating groove for accommodating a vibrator 102 is formed at one side of the vibrator rear shell 101; the body assembly comprises a body rear shell 201, a second accommodating groove is formed in one side opening of the body rear shell 201, and the second accommodating groove can accommodate components such as a circuit board or a battery; the ear-hook assembly 3 comprises a memory steel wire 301, wherein two ends of the memory steel wire 301 are respectively fixed on the vibrator rear shell 101 and the machine body rear shell 201, and preferably, two ends of the memory steel wire 301 are respectively fixed on the vibrator rear shell 101 and the machine body rear shell 201 in an in-mold injection molding mode; the bone conduction earphone further comprises a soft shell 6, wherein the vibrator rear shell 101, the memory steel wire 301 and the machine body rear shell 201 are all fixed in the soft shell 6, and the soft shell 6 covers the vibrator rear shell 101 and other areas of the machine body rear shell 201 except for the opening side.

The vibrator rear shell 101, the memory steel wire 301 and the machine body rear shell 201 are fixed in the soft shell 6 together, and specifically, the vibrator rear shell 101, the memory steel wire 301 and the machine body rear shell 201 can be placed in a soft shell mold together to cover the soft shell 6, so that the integrated forming is realized, the assembling stability of the bone conduction earphone is improved, and the internal water inflow of the vibrator rear shell 101 and the machine body rear shell 201 is reduced; the vibrator back shell 101, the machine body back shell 201, the key assembly 5 and the combination positions of the vibrator back shell 101 and the machine body back shell 201 can be completely sleeved by the scheme, so that the stability of a product is improved on one hand, and the possibility of water inflow is reduced on the other hand.

The flexible casing 6 is preferably made of soft materials such as silica gel, TPU or TPE, and can be replaced by those skilled in the art according to the actual requirements of production, and the present utility model is not limited herein.

The vibrator assembly can convert sound into mechanical vibration with different frequencies, transmit sound waves through skull bone, bone labyrinth, inner ear lymph, screw and auditory center of a person, realize bone conduction of sound, and can comprise a second circuit board, a coil, a vibrating element and a magnetic field element for generating a magnetic field.

Optionally, as shown in fig. 2, the top of the vibrator rear shell 101 and the top of the body rear shell 201 near one end of the vibrator rear shell 101 are both provided with a limit groove, the limit groove is used for fixing the memory steel wire 301 and the ear-hook wire 302, preferably, two ends of the memory steel wire 301 are respectively fixed in the limit grooves of the vibrator rear shell 101 and the body rear shell 201 in an in-mold injection molding manner, so that the connection stability of the vibrator rear shell 101 and the body rear shell 201 is improved.

It should be noted that, the present utility model only shows a schematic structural view of a right element of the bone conduction headset, and a structure of a left element may be the same as that of a right element, and the left element and the right element are connected through the rear hanging assembly 4.

As shown in fig. 5 and 7, in some embodiments, the rear hanging assembly 4 is provided with a connection member 7 at both ends, one end of the connection member 7 near the rear body case 201 is provided with a first screw hole 701, the rear body case 201 is provided therein with a connection member 7 insertion hole 2012 and a second screw hole 2011, and the first screw hole 701 and the second screw hole 2011 are used for screw fixation.

On the one hand, the fixing of the connecting piece 7 to the rear fuselage shell 201 is achieved by screws passing through the first screw holes 701 and the second screw holes 2011 to improve the connection stability of the ear-hook assembly 3 with the rear fuselage shell 201; on the other hand, the fixing mode of the screw is adopted to facilitate the disassembly of the product, so that the convenience of later maintenance is improved.

As shown in fig. 4-5 and 7, in some embodiments, a first step structure 702 is provided on the connection member 7, and a second step structure 2013 is provided in the insertion hole 2012 of the connection member 7, and is positioned to cooperate with the first step structure 702, so that when the two step structures are abutted, the first screw hole 701 and the second screw hole 2011 are aligned. In the production process, through the cooperation of first step structure 702 and second step structure 2013, can realize the alignment of first screw hole 701 and second screw hole 2011 fast, fix through the screw after the alignment, improve the efficiency of product equipment.

As shown in fig. 5, in some embodiments, a rear hanger wire 401 within the rear hanger assembly 4 is electrically connected to the first circuit board 202 through the connector 7. The rear hanging wire 401 passes through the connecting piece 7 to be electrically connected with the first circuit board 202, so that the installation stability of the rear hanging wire 401 is improved, frequent displacement collision of the rear hanging wire 401 in the body assembly is reduced in the use process of a user, and the situation that the rear hanging wire 401 is broken is avoided; further, the connection piece 7 can be fixed in the rear shell 201 of the fuselage through fixing pieces such as fixing columns or screws, so as to strengthen the connection piece 7, and further improve the stability of the installation of the rear hanging wire 401 in the fuselage assembly.

In some embodiments, the thickness of the flexible enclosure 6 at the location of the vibrator back shell 101 and the body back shell 201 is smaller than the thickness at the location of the memory wire 301. The bone conduction earphone is provided with wires such as wires at the memory steel wire 301, and the memory steel wire 301 and the wires are not protected by other sleeves, but are directly sleeved in the soft shell 6, so that the thickness of the soft shell 6 at the position of the memory steel wire 301 is increased, the protection strength of the memory steel wire 301 and the wires can be increased, and the phenomenon that the soft shell 6 is cracked due to bending of the ear-hanging part in the use process of the bone conduction earphone can be prevented.

In some embodiments, the thickness of the flexible enclosure 6 is 0.2mm-2mm. The thickness can reduce the outline dimension of the bone conduction earphone design, so that the bone conduction earphone is light and convenient, is convenient to carry and use, and is beneficial to improving the use experience of users.

As shown in fig. 1-2, in some embodiments, the ear-hook assembly 3 further includes an ear-hook wire 302, the first circuit board 202 is disposed in the back shell 201 of the body, the ear-hook wire 302 is electrically connected to the vibrator 102 and the first circuit board 202, and the ear-hook wire 302 is integrally fixed with the memory wire 301.

It is to be understood that the first circuit board 202 may be provided with a plurality of connection terminals, and the connection terminals are utilized to realize the electrical connection relationship between each element, for example, to realize the electrical connection relationship between the first circuit board 202 and the second circuit board, and the circuit connection principle is common knowledge of those skilled in the art, which is not described herein in detail; the second circuit board is also provided with a plurality of connection terminals, and the second circuit board is electrically connected with the first circuit board 202 through the connection terminals, specifically, the second circuit board is provided with a terminal a and a terminal b, and the terminal a and the terminal b are used as positive and negative electrodes to be connected with the first circuit board 202.

In the production process, the back shell 201 of the body and the back shell 101 of the vibrator are sleeved at two ends of the memory steel wire 301 respectively, then the ear-hook lead 302 and the memory steel wire 301 are stuck into a whole through glue, and finally the sleeved assembly is put into a soft shell mould to be sleeved with the soft shell 6, so that the integral forming of the whole assembly is realized.

As shown in fig. 3, the bone conduction headset further includes a key assembly 5, and the key assembly 5 is electrically connected to the first circuit board 202 and located in the flexible casing 6. The key assembly 5 can send a control signal to the first circuit board 202 to realize the control of the bone conduction earphone by the user; and soft shell 6 carries out the cladding to button subassembly 5, can promote the waterproof effect of button subassembly 5, further promotes bone conduction earphone holistic waterproof effect.

As shown in fig. 6, in some embodiments, a PIN 2021 is disposed on the first circuit board 202, and signal transmission of the first circuit board 202 may be achieved by using the PIN 2021.

In some embodiments, the vibrator assembly further comprises a vibrator front cover 103, wherein the vibrator front cover 103 is covered on the vibrator rear casing 101; the vibrator front cover 103 is a hard vibrator front cover 103, and a soft outer layer is injection-molded on the outer surface of the vibrator front cover 103. The vibrator front cover 103 is a hard vibrator front cover 103, so that the mechanical strength of a vibrator assembly is conveniently improved, and the stability of the vibrator assembly is ensured; the soft outer layer is molded on the outer surface of the vibrator front cover 103, soft silica gel is in contact with a human body, a comfortable wearing environment can be provided for a user, and the experience of the user is improved.

In some embodiments, the fuselage assembly further comprises a fuselage side cover 203, the fuselage side cover 203 covering the fuselage rear shell 201; the body side cover 203 is a rigid body side cover 203, with the exterior surface of the body side cover 203 being injection molded with a soft outer layer. The body-side cover 203 is a hard body-side cover 203, which is convenient for improving the mechanical strength of the body assembly and ensuring the stability thereof; the surface of the side cover 203 is one surface contacting with the user, and the soft outer layer is injection molded on the surface of the side cover 203, so that a comfortable wearing environment can be provided for the user, and the experience of the user is improved.

Optionally, the soft outer layer is made of elastomer materials such as silica gel, liquid silica gel, TPU, TPE, TPSIV or fluorine rubber.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.

Claims (9)

1. The bone conduction earphone comprises a vibrator assembly, a body assembly, an ear-hanging assembly and a rear-hanging assembly, wherein the vibrator assembly comprises a vibrator rear shell, and a first accommodating groove for accommodating a vibrator is formed in an opening at one side of the vibrator rear shell; the fuselage assembly comprises a fuselage rear shell, and a second accommodating groove is formed in an opening at one side of the fuselage rear shell; the ear hook assembly comprises a memory steel wire, wherein two ends of the memory steel wire are respectively fixed on the vibrator rear shell and the machine body rear shell, and the ear hook assembly is characterized in that: the bone conduction earphone further comprises a soft shell, wherein the vibrator rear shell, the memory steel wire and the fuselage rear shell are all fixed in the soft shell, and the soft shell covers the vibrator rear shell and other areas of one side of the fuselage rear shell except for an opening.

2. The firmly assembled and waterproof-performance-improved bone conduction headset of claim 1, wherein the soft housing has a smaller thickness at the vibrator rear case and the body rear case than at the memory wire position.

3. The bone conduction headset of claim 2, wherein the flexible housing has a thickness of 0.2mm-2mm.

4. The bone conduction headset of claim 1, wherein the rear hanging assembly is provided with a connector at both ends, a first screw hole is provided at one end of the connector near the rear housing of the body, the rear housing of the body is provided with a connector insertion hole and a second screw hole, and the first screw hole and the second screw hole are used for screw fixation.

5. The bone conduction headset of claim 4, wherein the connector has a first stepped structure, and the connector insertion hole has a second stepped structure positioned to fit the first stepped structure, and the first screw hole and the second screw hole are aligned when the two stepped structures are abutted against each other.

6. The bone conduction headset of claim 1, wherein the ear-hook assembly further comprises an ear-hook wire, a first circuit board is disposed in the back shell of the body, the ear-hook wire is electrically connected to the vibrator and the first circuit board, and the ear-hook wire is integrally fixed to the memory wire.

7. The bone conduction headset of claim 6, further comprising a key assembly electrically connected to the first circuit board and positioned within the flexible housing.

8. The firmly assembled and waterproof bone conduction headset according to any one of claims 1-7, wherein the vibrator assembly further comprises a vibrator front cover that covers the vibrator rear case; the oscillator front cover is a hard oscillator front cover, and a soft outer layer is injection-molded on the outer surface of the oscillator front cover.

9. The bone conduction headset of claim 8, wherein the body assembly further comprises a body side cover that covers the body rear shell; the machine body side cover is a hard machine body side cover, and a soft outer layer is injection molded on the outer surface of the machine body side cover.