CN214070124U

CN214070124U - Bone conduction earphone with improved sound transmission structure

Info

Publication number: CN214070124U
Application number: CN202022626211.XU
Authority: CN
Inventors: 林旭
Original assignee: Shuma Lvzhou Co ltd
Current assignee: Shuma Lvzhou Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-08-27
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses an improve bone conduction earphone of transaudient structure, bone conduction earphone include earphone main part and earphone cord, and the earphone main part is provided with bone conduction device and curved ear-hang, and earphone main part and bone conduction device are connected to the earphone cord electricity respectively, and bone conduction device is provided with interior bone conduction face and side bone conduction face at least, and bone conduction device has two at least bone conduction paths that get into human head from different positions and/or different position bone conduction sound wave. The utility model discloses promote the frequency range of the sound that bone conduction earphone can restore and conduct, solved present bone conduction earphone with the technical scheme of low cost and had the problem of lou sound, promote the degree of depth and the audio of bone conduction earphone's sound simultaneously, the direction, the distance and the power of conduction and reappearance sound source.

Description

Bone conduction earphone with improved sound transmission structure

Technical Field

The utility model belongs to the technical field of bone conduction headset technique and specifically relates to a bone conduction headset of sound conduction structure is improved.

Background

The traditional bone conduction earphone is required to be tightly attached to the front side of the ear of a human body, the bone conduction earphone conducts sound waves to the auditory bone of the human body through the vibration of a steel sheet arranged in a shell, the sound waves are transmitted to the auditory center of people in a bone conduction mode, and a wearer can hear the sound.

The traditional bone conduction earphone generates sound waves by means of steel sheets and air vibration on the front side of the steel sheets, so that the frequency range of the sound waves which can be conducted by the bone conduction earphone is relatively small, namely, a problem of sound leakage exists, the distortion degree of the conducted sound waves is high, particularly, low-frequency sound with the frequency below 160Hz cannot be restored and conducted, and of course, a serious sound leakage phenomenon exists when high-frequency sound with the frequency of 2500 Hz-20000 Hz is restored and conducted, particularly, the higher-frequency sound or the lower-frequency sound.

The current bone conduction earphone adopts the stereoplasm back hanging support body of U-shaped to wear the bone conduction earphone at people's head, the left and right sides of hanging support body has elastic arm body behind the stereoplasm, hang the dress on human ear through the stores pylon of the outer tip of shaping at the arm body, the outer tip at the arm body is fixed to the bone conduction device, elastic pressure through the arm body makes the bone conduction device paste the skin in the ear front side, the contact surface of bone conduction earphone conduction sound wave is very little, only be limited to the skin that bone conduction earphone and ear front side and contact and paste tight region.

In addition, the wearing structure of the bone conduction earphone at present causes the bone conduction device to be only attached to the skin on the front side of the ear, which is not the optimal sound wave conduction path for bone conduction and cannot well transmit the sound signal to the auditory center, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an improve bone conduction earphone of transaudient structure promotes the frequency range of the sound that bone conduction earphone can restore and conduct, solves the problem that there is sound leakage in bone conduction ear to promote bone conduction earphone's tone quality.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides an improve bone conduction earphone of structure of passing sound, bone conduction earphone includes earphone main part, earphone cord, bone conduction device and ear-hang, and bone conduction device is fixed in the ear-hang, and earphone main part and bone conduction device are connected to the earphone cord electricity respectively, and bone conduction device is provided with interior bone conduction face and side bone conduction face at least, and bone conduction device has at least two from the bone conduction path that different positions and/or different position bone conduction sound wave got into human head.

Further, the ear-hang is provided with and is used for hanging the back installation department at the hangers portion of human ear and the rear side that is located human ear when wearing, and bone conduction device is fixed in the back installation department of ear-hang, and bone conduction device's internal surface is provided with and is used for to paste the head skin of ear rear side and realize bone conduction at this head skin interior bone conduction face, a side of bone conduction device orientation human ear is provided with and is used for to paste the ear back and realize bone conduction at this ear back side bone conduction face.

Further, the surface of the inner bone transmission surface is a plane or a curved surface, and the surface of the lateral bone transmission surface is a plane or a curved surface.

Further, the conduction direction and conduction path of bone conduction sound waves conducted to skull and/or ossicular nerve tissues of a human body by the inner bone conduction surface and the side bone conduction surface are different in the bone conduction process.

Further, the frequency section of the bone conduction sound wave conducted by the inner bone conduction surface and the frequency section of the bone conduction sound wave conducted by the side bone conduction surface have a partially overlapped section or are completely different.

Further, bone conduction earphone is provided with about two ear-hang, two earphone cord and line length adjustment mechanism, each ear-hang the back installation department all is fixed with one bone conduction device, the first end electricity respectively of two earphone cords connects in two bone conduction devices, the second end electricity respectively connects in the earphone main part, line length adjustment mechanism installs in two earphone cords to realize adjusting the pulling force between two ear-hang and/or the pressure of bone conduction device to human skin, at least one bone conduction vibrations subassembly is installed to bone conduction device's inner chamber, bone conduction vibrations subassembly setting bone conduction face or the rear side of side bone conduction face in.

Further, line length adjustment mechanism is including adjusting the fastener, adjusts the fastener and is provided with threading sliding sleeve and movable mounting's line ball piece in the threading sliding sleeve, installs the activity in the threading sliding sleeve and supports the elastic element who pushes up in the line ball piece, and the threading sliding sleeve has been seted up along the vertical direction of the moving direction of line ball piece and has been pressed from both sides the line hole, and two earphone cords activity respectively pass the line hole, and the line ball piece is respectively elasticity and is supported two earphone cords, and the line ball piece is provided with a protrusion and presses the splenium in the outside of threading sliding sleeve.

Further, the ear-hang is provided with hangers portion and back installation department, and hangers portion's terminal portion integrated into one piece have one with the external auditory canal assorted hangers fixed part of people's ear, hangers fixed part and the relative interval setting of back installation department, integrated into one piece has the curved body of rod that is used for hanging on the upper portion of ear between hangers portion and the back installation department, and back installation department and bone conduction device are located the rear side of ear, the body of rod hang and lean on in the upper portion of ear, the external auditory canal of ear is put into in the fixed part stopper of hangers portion when wearing.

Furthermore, the middle part of the hanger fixing part is provided with an ear hanging hole which penetrates through the hanger fixing part; the ear hanging hole is communicated with air, or an earplug is tightly inserted into the ear hanging hole, or a traditional earphone which is electrically connected with the earphone body or the bone conduction device is tightly inserted into the ear hanging hole.

Furthermore, the ear hook is a C-shaped flexible frame body with elasticity, and is provided with an opening facing downwards;

the earphone body comprises a U-shaped neck hanging frame, the left end and the right end of the neck hanging frame are respectively provided with a functional part, the inner cavity of at least one functional part is provided with a battery or a control circuit, the surface of at least one functional part is provided with a control key electrically connected with the control circuit, at least one functional part is provided with at least one radio microphone and/or noise reduction microphone electrically connected with the control circuit, and two earphone wires penetrate out of the middle part of the rear side of the neck hanging frame;

the upper part of the bone conduction device is fixed at the lower end part of the rear mounting part, the lower part of the bone conduction device is connected with a first end of an earphone wire, and a second end of the earphone wire penetrates into the earphone main body from the middle part of the neck hanging frame and is electrically connected with a control circuit;

the earphone wire extending from the bone conduction device to the earphone body and the wire length adjusting mechanism freely hang on the back side of the head of the human body after the bone conduction earphone is worn;

the hanger fixing part is integrally formed at the tail end part of the rod body, the section of the hanger fixing part is larger than that of the rod body, and the section of the hanger fixing part is circular.

Compared with the prior art, the utility model the advantage that has is: the utility model discloses promote the frequency range of the sound that bone conduction earphone can restore and conduct, solved present bone conduction earphone with the technical scheme of low cost and had the problem of lou sound, promote the degree of depth, volume and the audio of bone conduction earphone's sound simultaneously, the direction, the distance and the power of conduction and reappearance sound source.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the bone conduction earphone of the present invention.

Fig. 2 is a schematic view of the usage state of the bone conduction earphone of the present invention.

The labels in the figure are:

1 earphone main body.

2 a bone conduction device.

The 3-ear hook 31 is hung on the ear fixing part 311 and is hung on the hole.

4 the earphone line 40 is hung on the neck frame 41 to adjust the line clamp 42.

Detailed Description

The following are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby.

The utility model provides an improve bone conduction earphone of structure of passing sound, it is shown in fig. 1 and 2, bone conduction earphone includes earphone main part 1, earphone cord 4, bone conduction device 2 and curved ear-hang 3, bone conduction device 2 is fixed in ear-hang 3, earphone main part 1 and bone conduction device 2 are connected to earphone cord 4 electricity respectively, bone conduction device 2 is provided with interior bone conduction face and side bone conduction face at least, at least one bone conduction vibrations subassembly is installed to bone conduction device 2's inner chamber, bone conduction vibrations subassembly sets up the rear side of bone conduction face or side bone conduction face in, bone conduction device 2 has at least two bone conduction paths that get into human head from different positions and/or different position bone conduction sound wave. Bone conduction contact surface increases, promote and wear the comfort level, promote bone conduction earphone's volume and tone quality, bone conduction earphone can restore and finally conduct to user's auditory system's sound abundanter, bone conduction sound's frequency section is bigger, and eliminated present bone conduction earphone ubiquitous sound leakage problem, and bone conduction has different sound conduction directions, in the degree of depth that promotes bone conduction sound, make bone conduction sound have two directions of moving about freely and quickly, the user can discern the source position of external sound, relative direction and relative distance including the sound source. For example, the bone conduction device 2 conducts sound through two different locations, the medial bone conduction surface and the lateral bone conduction surface, respectively.

The ear-hang 3 is provided with the back installation department that is used for hanging the hangers portion of dress at human ear and is located the rear side of human ear when wearing, and bone conduction device 2 is fixed in the back installation department of ear-hang 3, and the internal surface of bone conduction device 2 is provided with the interior bone conduction face that is used for pasting the head skin of ear rear side and realizes bone conduction at this head skin, and one side of bone conduction device 2 towards human ear is provided with the side bone conduction face that is used for pasting the ear back and realizes bone conduction at this ear back. The surface plane or the curved surface of the inner bone transmission surface, the surface of the side bone transmission surface are planes or curved surfaces, and the inner bone transmission surface and the side bone transmission surface are respectively attached to corresponding abutting surfaces so as to improve the wearing comfort level and the bone transmission effect. The conduction directions and conduction paths of bone conduction sound waves conducted to the skull or the ossicular nerve tissue of the human body by the inner bone conduction surface and the side bone conduction surface are different in the bone conduction process, so that the bone conduction device 2 can reproduce and conduct external sounds more accurately, and particularly reproduce the direction, distance and strength of a sound source through bone conduction.

The frequency section of the bone conduction sound wave conducted by the inner bone conduction surface is the same as the frequency section of the bone conduction sound wave conducted by the lateral bone conduction surface. Preferably, the frequency section of the bone conduction sound wave conducted by the inner bone conduction surface and the frequency section of the bone conduction sound wave conducted by the side bone conduction surface have only partially overlapped sections, or the frequency section of the bone conduction sound wave conducted by the inner bone conduction surface and the frequency section of the bone conduction sound wave conducted by the side bone conduction surface have partially overlapped sections which are completely different. Because the volume of the bone conduction device 2 is very small, the bone conduction device 2 can only realize the technical scheme of full-frequency conduction by a single bone conduction element, which cannot be realized at present, and the production of the vibration unit in the bone conduction element and the special medium surface as the bone conduction surface is very difficult and the price is very high. And the utility model discloses a bone conduction device 2's interior bone conduction face and side bone conduction face conduct the sound of different frequency sections respectively, for example bone conduction sound is realized with side bone conduction face in the cooperation respectively through a bone conduction vibrations subassembly, also can realize bone conduction sound through bone conduction face in the cooperation of a bone conduction vibrations subassembly, bone conduction sound is realized through another bone conduction vibrations subassembly cooperation side bone conduction face simultaneously, solved in bone conduction device 2's limited space, under the prerequisite of the cost of bone conduction device 2 that reduces, the sound of full frequency section that human auditory nerve can discern is conducted and reappeared, of course also can be conducted and reappear the sound that exceeds the full frequency channel that human auditory nerve can discern, promote tone quality when solving the technical problem that bone conduction earphone leaks the sound with ultra-low cost technical scheme, and can reappear the direction of sound source, Distance and strength.

Bone conduction earphone is provided with about two ear-hang 3, two earphone cords 4 and line length adjustment mechanism, and the back installation department of each ear-hang 3 all is fixed with a bone conduction device 2, and the first end electricity respectively of two earphone cords 4 connects in two bone conduction devices 2, the second end electricity respectively connects in earphone main part 1, and line length adjustment mechanism installs in the middle part of two earphone cords 4 to realize adjusting the pulling force between two ear-hang 3 and the pressure of bone conduction device 2 to human skin.

The total length of two earphone cords 4 between two ear-hang 3 that link together through adjusting the line clamp 41 is changed through the position of adjusting the fastener 41 and can adjust the elasticity of two ear-hang 3, also can adjust the pressure of bone conduction device 2 to skin, for example will adjust the fastener 41 and move a set distance towards one side at ear-hang 3 place and make the adjustment fastener 41 press from both sides tight earphone cord 4 again, increase the pulling force to two ear-hang 3 through earphone cord 4, namely increase two ear-hang 3 clamp forces, otherwise, adjust the fastener 41 and press from both sides tight earphone cord 4 again after moving towards earphone main body 1 one side and make the pulling force between two ear-hang 3 diminish, namely reduce the clamp force of two ear-hang 3. The wearer can feel comfortable and the radio effect is better.

The bone conduction earphone can achieve better effect only by tightly abutting the bone conduction device 2 on the skull of the human body; the traditional bone conduction earphone adopts a head hoop clamping manner, the bone conduction devices 2 are arranged at two ends of the head hoop and are clamped on the skull of a human body, and due to the fact that the clamping force cannot be adjusted, part of people with large head circumference can be uncomfortable to wear when in use; the utility model discloses an adjust the clamp force through adjusting fastener 41, guarantee the travelling comfort that any crowd wore.

Line length adjustment mechanism is including adjusting fastener 41, adjust fastener 41 and be provided with threading sliding sleeve and movable mounting's line ball 42 in the threading sliding sleeve, install the activity in the threading sliding sleeve and support in the elastic element of line ball 42, the line ball hole has been seted up along the vertical direction of line ball 42's moving direction to the threading sliding sleeve, two earphone cord 4 activities respectively pass the line ball hole, line ball 42 supports two earphone cords 4 in elasticity respectively, in order to realize pressing from both sides tight earphone cord 4, line ball 42 is provided with the splenium of pressing of a protrusion in the outside of threading sliding sleeve.

Preferably, the wire length adjusting mechanism comprises a wire winding and unwinding mechanism, the wire winding and unwinding mechanism is provided with a winding reel, a winding shaft or a winding roll rotatably mounted in the winding reel, the winding reel or the winding roll is provided with an elastic element, the winding reel or the winding roll is provided with a locking mechanism, the winding reel is provided with at least one wire outlet, and the earphone wire 4 passes through the wire outlet and is wound on the winding reel or the winding roll. In a similar way, the earphone wires 4 are wound or released, and the total length of the two earphone wires 4 between the two ear hooks 3 connected together through the wire rope retracting mechanism is changed through the wire rope retracting mechanism, so that the tightness of the two ear hooks 3 can be adjusted, and the clamping force of the two ear hooks 3 can be adjusted.

Ear-hang 3 is provided with hangers portion and back installation department, hangers portion's terminal portion integrated into one piece have one with the external auditory canal assorted hangers fixed part 31 of people's ear, hangers fixed part 31 sets up with the relative interval of back installation department, integrated into one piece has the curved body of rod that is used for hanging on the upper portion of ear between hangers portion and the back installation department, back installation department and bone conduction device 2 are located the rear side of ear when wearing, the body of rod is hung and is leaned on in the upper portion of ear, the external auditory canal of ear is put into in the plug of hangers fixed part 31. The ear hook 3 is a C-shaped flexible frame body with elasticity, and the ear hook 3 is provided with an opening facing downwards; the earphone body 1 comprises a U-shaped neck hanging frame 40, the left end and the right end of the neck hanging frame 40 are respectively provided with a functional part, the inner cavity of at least one functional part is provided with a battery or a control circuit, the surface of at least one functional part is provided with a control key electrically connected with the control circuit, at least one functional part is provided with at least one radio microphone and/or noise reduction microphone electrically connected with the control circuit, and two earphone wires 4 penetrate out of the middle part of the rear side of the neck hanging frame 40; the upper part of the bone conduction device 2 is fixed at the lower end part of the rear mounting part, the lower part of the bone conduction device 2 is connected with a first end of an earphone wire 4, and a second end of the earphone wire 4 penetrates into the earphone body 1 from the middle part of the neck hanging frame 40 and is electrically connected with a control circuit; the earphone wire 4 and the wire length adjusting mechanism which are extended from the bone conduction device 2 to the earphone main body 1 after the bone conduction earphone is worn are freely hung on the back side of the head of the human body; to achieve a pulling force that pulls the two ear loops 3 towards the medial side and a pressure against the skin of the human body using the bone conduction device 2.

The hanger fixing part 31 is integrally formed at the end of the rod body, the section of the hanger fixing part 31 is larger than that of the rod body, and the section of the hanger fixing part 31 is circular. The ear fixing part 31 allows the ear hook 3 to be stably held at the upper part in the ear.

The utility model discloses improve bone conduction earphone's structure, make it to use brand-new wearing mode, adjust the elasticity of earphone cord 4 through line length adjustment mechanism, thereby adjust the tension of ear-hang 3 and the pressure of the human skin of bone conduction device 2, user that human head size is not uniform all can use and adjust to the most comfortable and best state of radio reception effect, can not receive the restriction of user's head type size and shape, and hang through freely hanging down at bone conduction device 2 and make bone conduction device 2 keep the tight power of laminating of moderate degree all the time between the earphone host computer after wearing, skin is hugged closely to bone conduction device 2 the remaining moderate degree all the time, the good transmission of guarantee sound.

Specifically, an ear hanging hole 311 penetrating through the ear hanging fixing part 31 and keeping communicating with air is formed in the middle of the ear hanging fixing part 31, external sound can be heard and external air pressure can be balanced through the ear hanging hole 311, the ear hanging fixing part 31 has larger deformation due to the design of the ear hanging hole 311, and wearing comfort can be improved when the ear hanging fixing part is worn. The ear hook holes 311 can be kept communicated with air in the wearing process, so that the sound transmitted to the ears through the air can be directly received in the ears of a user, the bone conduction device 2 can be received while the external sound is directly received for the user, more sound can be received by the ears of the user with mild hearing, and the ear hook holes 311 of the ear hook 3 with normal hearing of the user with only one ear can be kept communicated with the air.

The earphone body 1 is provided with a wireless communication module or an audio input interface which is electrically connected with the control circuit, and is wirelessly connected with electronic equipment such as a mobile phone or a television through the wireless communication module so as to receive and play corresponding voice or audio files through the wireless communication module or the audio input interface.

Specifically, a bone conduction device 2 is provided with one with the curved ear-hang 3 of the auricle looks adaptation of people's ear, the first end electricity respectively of two earphone cords 4 is connected in earphone main part 1, the outer end electricity respectively connects in two bone conduction devices 2, in order to realize providing the power to bone conduction device 2, control signal and audio data, ear-hang 3 is the arc with the auricle looks adaptation of people's ear, the preceding tip fixed connection of ear-hang 3 is in bone conduction device 2, the terminal portion of ear-hang 3 have one with the outer auditory canal assorted hangers fixed part 31 of people's ear, an earplug has been put to hangers fixed part 31 activity stopper. The ear plug is inserted in the ear hanging hole 311 tightly, and the ear plug is in interference fit with the ear hanging hole 311, so that the ear is sealed by the ear plug, and the external sound is isolated. When physical noise reduction is needed, the ear hanging hole 311 is plugged by the earplug, so that environmental noise cannot enter the ear canal, and the physical noise reduction is realized; when the environment sound needs to be heard, the earplug is taken off, and the external environment sound enters the ear canal through the ear hanging hole 311 and then is transmitted to the auditory nerve. The design has the advantages of simple structure, convenient and fast earplug replacement and low replacement cost, and the earplugs can be taken down when not in use, cannot randomly swing up and down, left and right, and have better experience; the earplug and the ear hook are made of silica gel materials, so that the wearing is comfortable, and the noise reduction effect is good.

The existing bone conduction earphone adopts physical noise reduction that a traditional earplug is fixedly arranged on the bone conduction earphone and is worn when needed or taken down when not needed; the earplugs are fixed on the earphone body through the earphone wire 4, and when the earplugs move, the earplugs are easy to shake, so that the experience is influenced; the earplug is directly fixed on the earphone body, so that the wearing comfort is reduced, and discomfort can be caused after long-time wearing. The utility model is provided with a hanger fixing part 31 at the end part of the ear hanger 3, and the hanger fixing part 31 is matched with the external ear canal opening; when wearing, the ear-hang 3 is hung on the ear along the auricle, plugs the external auditory canal opening with the hangers fixing part 31, and after the external auditory canal was plugged by the hangers fixing part 31, external environment sound could not enter auditory nerve through the auditory canal, and thus physical noise reduction can be realized.

The front end of the ear hook 3 of the traditional ear-hanging type earphone has no fixed point, the earphone is easy to fall off or the sound receiving effect is poor when the earphone is in violent movement, particularly when the earphone jumps, a human body moves vertically compared with the ground, and the fixing capacity of the ear-hanging type earphone in the vertical direction is weak; the utility model discloses a 3 hangers are hung and are established in the top of the auricle of ear, and the front end of 3 hangers extends to the auricle middle part, and external ear road junction has been filled in to hangers fixed part 31, has add a fixed point on the ear, firmly fixes the earphone on the ear, all has the stability of preferred at human vertical removal or lateral shifting.

The power supply system is electrically connected with the control mainboard, supplies power to the control mainboard, transmits the received audio signals to the two bone conduction devices 2 through the earphone cable 4, converts the amplitude of the audio signals by the bone conduction devices 2, and vibrates the skull to transmit sound; the radio device picks up external sound and transmits the collected sound to the control mainboard to realize the talkback function; preferably, the left end and the right end of the earphone body 1 are respectively provided with a radio device, wherein one radio device is responsible for collecting voice for talkback; and the other radio device is responsible for collecting environmental sounds and actively reducing noise. The earphone body 1 is provided with a Bluetooth module for wirelessly transmitting audio signals, and the Bluetooth module is electrically connected with the control mainboard. The Bluetooth module receives and transmits the audio signals without a wired connection sound source, so that the mobility and the convenience are improved.

Preferably, a conventional earphone electrically connected to the earphone body 1 is inserted into the ear hanging hole 311, and the conventional earphone and the bone conduction device 2 are heard at the same time while isolating the external sound. The external sound is obtained from a sound receiving microphone arranged on the earphone body 1 and is transmitted to a traditional earphone to be played, and the traditional earphone can also be used for playing audio such as music and the like.

Bone conduction earphone does not have the sound field because it is through skull transmission sound, and more ordinary air conduction's earphone, tone quality is relatively poor, experiences not good. The utility model integrates the traditional earphone into the bone conduction earphone, and can be switched to the bone conduction earphone and the traditional earphone at will, or the bone conduction earphone and the traditional earphone work simultaneously; the ear-hanging fixing part 31 of the ear-hanging part 3 is matched with the external auditory meatus of the human body, when the ear-hanging part 3 is worn, the ear-hanging part 3 is hung on the ear along the auricle, and the external auditory meatus is sealed with the ear-hanging fixing part 31 by plugging the ear-hanging fixing part 31 at the external auditory meatus. The environmental sound enters the external auditory canal through the ear hanging hole 311 of the ear hanging fixing part 31, and the bone conduction earphone is ensured to be capable of receiving the environmental sound when being used alone. The traditional earphone and the bone conduction earphone are combined in transmission, a stethoscope effect is avoided during movement, the open ears of the external auditory canal can be prevented from being blocked, the possibility of using the earphone in dangerous scenes is guaranteed, the change of the surrounding environment can be noticed when the earphone is used, and the earphone is safer to use. When listening to music, the sound is conducted by air, and the tone quality is better.

The conventional earphone is at least provided with a sound generating unit, the sound generating unit is provided with a head which is used for conducting sound to human ears and is convexly arranged, and the head of the sound generating unit is in interference fit with the corresponding ear hanging hole 311. When the traditional earphone is inserted in the ear hanging hole 311 tightly, the external auditory canal is blocked, and the environment sound cannot be heard at the moment, so that the physical noise reduction effect of the bone conduction earphone is achieved when the traditional earphone does not work; the traditional earphone and the bone conduction earphone can work simultaneously, so that the tone quality is better and the sound is more three-dimensional; the traditional earphone can also work independently, and the sense of urgency of the bone conduction earphone when being pressed against the skull for a long time can be relieved.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides an improve bone conduction earphone of transaudient structure, bone conduction earphone includes earphone main part (1), earphone cord (4), bone conduction device (2) and ear-hang (3), and bone conduction device (2) are fixed in ear-hang (3), and earphone main part (1) and bone conduction device (2), its characterized in that are connected to earphone cord (4) electricity respectively: the bone conduction device (2) is at least provided with an inner bone conduction surface and a side bone conduction surface, and the bone conduction device (2) is provided with at least two bone conduction paths for conducting sound waves from different positions and/or different directions to the head of a human body.

2. A bone conduction headset with an improved sound transmission structure according to claim 1, wherein: ear-hang (3) are provided with and are used for hanging the back installation department at the hangers portion of human ear and the rear side that is located human ear when wearing, and the back installation department of ear-hang (3) is fixed in osteoacusis device (2), and the internal surface of osteoacusis device (2) is provided with and is used for to paste the head skin of ear rear side and realize osteoacusis at this head skin interior osteoacusis face, osteoacusis device (2) are provided with towards a side of human ear and are used for to paste the ear back and realize the side osteoacusis face of osteoacusis at this ear back.

3. A bone conduction headset with an improved sound transmission structure according to claim 2, wherein: the surface of the inner bone transmission surface is a plane or a curved surface, and the surface of the side bone transmission surface is a plane or a curved surface.

4. A bone conduction headset with an improved sound transmission structure according to claim 1, wherein: the conduction directions and conduction paths of bone conduction sound waves conducted to skull and/or ossicular nerve tissues of a human body by the inner bone conduction surface and the side bone conduction surface are different in the bone conduction process.

5. A bone conduction headset with an improved sound transmission structure according to claim 1, wherein: the frequency section of the bone conduction sound wave conducted by the inner bone conduction surface and the frequency section of the bone conduction sound wave conducted by the side bone conduction surface have a partially overlapped section or are completely different.

6. A bone conduction headset with an improved sound transmission structure according to claim 2, wherein: bone conduction earphone is provided with about two ear-hang (3), two earphone cord (4) and line length adjustment mechanism, each ear-hang (3) the back installation department all is fixed with one bone conduction device (2), the first end electricity difference electricity of two earphone cords (4) connect in two bone conduction device (2), second end electricity respectively in earphone main part (1), line length adjustment mechanism install in two earphone cords (4) to realize adjusting the pulling force between two ear-hang (3) and/or the pressure of bone conduction device (2) to human skin, at least one bone conduction vibrations subassembly is installed to the inner chamber of bone conduction device (2), bone conduction vibrations subassembly sets up the rear side of bone conduction face or side bone conduction face in.

7. A bone conduction headset with an improved sound transmission structure according to claim 6, wherein: line length adjustment mechanism is including adjusting fastener (41), adjusts fastener (41) and is provided with threading sliding sleeve and line ball piece (42) of movable mounting in the threading sliding sleeve, installs the activity in the threading sliding sleeve and supports the elastic element who pushes up in line ball piece (42), and the threading sliding sleeve has seted up the line clamping hole along the direction of movement's of line ball piece (42) vertical direction, two earphone cord (4) activity respectively pass the line clamping hole, and line ball piece (42) elasticity respectively supports two earphone cords (4), and line ball piece (42) are provided with a protrusion and press the splenium in the outside of threading sliding sleeve.

8. A bone conduction headset with an improved sound transmission structure according to claim 4, characterized in that: ear-hang (3) are provided with hangers portion and back installation department, the tip integrated into one piece of hangers portion have one with the external auditory canal assorted hangers fixed part (31) of people's ear, hangers fixed part (31) and the relative interval setting of back installation department, integrated into one piece has the curved body of rod that is used for hanging on the upper portion of ear between hangers portion and the back installation department, back installation department and bone conduction device (2) are located the rear side of ear when wearing, the body of rod is hung and is leaned on in the upper portion of ear, the external auditory canal of ear is put into in to hangers fixed part (31) stopper.

9. A bone conduction headset with an improved sound transmission structure according to claim 8, wherein: the middle part of the hanger fixing part (31) is provided with an ear hanging hole (311) which penetrates through the hanger fixing part (31); the ear hanging hole (311) is communicated with air, or an earplug is tightly arranged in the ear hanging hole (311), or a traditional earphone which is electrically connected with the earphone body (1) or the bone conduction device (2) is tightly arranged in the ear hanging hole (311).

10. A bone conduction headset with an improved sound transmission structure according to claim 9, wherein: the ear hook (3) is a C-shaped flexible frame body with elasticity, and the ear hook (3) is provided with an opening facing downwards;

the earphone body (1) comprises a U-shaped neck hanging frame (40), the left end and the right end of the neck hanging frame (40) are respectively provided with a functional part, the inner cavity of at least one functional part is provided with a battery or a control circuit, the surface of at least one functional part is provided with a control key electrically connected with the control circuit, at least one functional part is provided with at least one radio microphone and/or noise reduction microphone electrically connected with the control circuit, and two earphone wires (4) penetrate out from the middle part of the rear side of the neck hanging frame (40);

the upper part of the bone conduction device (2) is fixed at the lower end part of the rear mounting part, the lower part of the bone conduction device (2) is connected with the first end of an earphone wire (4), and the second end of the earphone wire (4) penetrates into the earphone body (1) from the middle part of the neck hanging frame (40) and is electrically connected with a control circuit;

the earphone wire (4) extending from the bone conduction device (2) to the earphone body (1) after the bone conduction earphone is worn and the wire length adjusting mechanism are freely hung on the back side of the head of a human body;

the hanger fixing part (31) is integrally formed at the tail end part of the rod body, the section of the hanger fixing part (31) is larger than that of the rod body, and the section of the hanger fixing part (31) is circular.