CN211791964U - Connecting assembly of bone conduction earphone - Google Patents

Abstract

The utility model discloses a coupling assembling of bone conduction earphone, it presets at the power cord subassembly and wears to establish the hole, cuts the power cord subassembly back that has the hole of wearing to establish of required length, adopts the mode of wearing to establish to locate the elastic metal silk and wear to establish the hole, can be in the same place the assembly of elastic metal silk and power cord subassembly, and need not be as prior art according to the different moulds of length and the shape customization of the elastic metal silk of different specifications in order to carry out injection moulding, obviously, the utility model discloses an efficient and cost of manufacture is low.

Description

Connecting assembly of bone conduction earphone

Technical Field

The utility model relates to a bone conduction earphone technical field, in particular to coupling assembling of bone conduction earphone.

Background

The sound conduction mode mainly includes air conduction and bone conduction, and when the air conduction is carried out, sound waves reach the inner ear of the cochlea through the outer ear and the middle ear. Many earphones on the market now adopt air conduction, fill in human ear or make the ear muff type with loudspeaker, and the earphone of air conduction type has following not enough in the use: 1. eardrum of human ears is easily damaged, so that hearing is reduced; 2. when the earphone is used, the earphone shields the ears, so that external sounds, such as dangerous prompt sounds, are difficult to hear, and corresponding accidents are easy to happen due to the fact that some sounds are missed.

The bone conduction converts sound into mechanical vibration with different frequencies, and transmits sound waves through the skull, the bone labyrinth, the lymph fluid of the inner ear, the spiral organ, the auditory nerve and the auditory center of a human body. The auditory nerve of the inner ear is transmitted to the sound through the skull, the conduction speed is faster, the ear hole is not required to be shielded when the auditory nerve earphone is worn, the external prompt sound can be heard, and some dangers are avoided, so the auditory nerve earphone is popular with consumers.

The bone conduction earphone generally comprises two ear-hang components, a connecting component with two ends respectively connected with the two ear-hang components, a battery component arranged in the ear-hang components, a control circuit component, a bone conduction vibration component and other elements, wherein the connecting component is integrally in an irregular U-shaped linear structure and mainly comprises a power line component and an elastic metal wire, the power line component comprises a wrapping layer made of a soft material and a core wire wrapped by the wrapping layer, the elastic metal wire is also wrapped by the wrapping layer of the power line component and is made of a material with certain elasticity and in an irregular U-shaped linear shape (namely the connecting component is integrally in the irregular U-shaped linear structure and is mainly limited by the shape of the elastic metal wire), two ends of the elastic metal wire are directly or indirectly connected with the two ear-hang components and can deform after being extruded according to the angle during wearing and can be more fit with the angle and the curve of the wearing position, the bone conduction earphone has certain toughness, better compression resistance and deformation resistance, and is not easy to damage the bone conduction earphone or cause irreversible deformation when being used by a user. Two ends of a core wire of the power wire component respectively extend into the two ear-hang components and are respectively and directly or indirectly electrically connected with elements such as the control circuit component, the bone conduction vibration component and the battery component to form a complete circuit.

At present, the manufacturing method of the connecting assembly is to place the formed irregular U-shaped linear elastic metal wire and core wire into a mold for injection molding to form a wrapping layer wrapping the elastic metal wire and the core wire. However, this manufacturing method has problems of low efficiency and high manufacturing cost, and for example, different molds need to be customized for the lengths and shapes of the elastic wires of different specifications to perform injection molding.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a coupling assembling of bone conduction earphone aims at raising the efficiency and reduces the cost of manufacture.

In order to achieve the above object, the utility model provides a coupling assembling of bone conduction earphone, including having the power cord subassembly of wearing to establish the hole and wearing to locate the elastic metal silk of wearing to establish the hole, the power cord subassembly is stretched out at the both ends of elastic metal silk, and the both ends that the elastic metal silk stretches out the power cord subassembly are used for directly or indirectly to be connected with first ear-hang subassembly and second ear-hang subassembly respectively.

The technical scheme the coupling assembling of bone conduction earphone is preset at the power cord subassembly and is worn to establish the hole, cuts the power cord subassembly back that has the hole of wearing to establish of required length, adopts the mode of wearing to establish to locate the hole with elastic metal wire, can be in the same place elastic metal wire and power cord subassembly assembly, and need not be as prior art according to the different mould of the length of the elastic metal wire of different specifications and shape customization in order to carry out injection moulding, obviously, the utility model discloses an efficient and cost of manufacture is low. The specific manufacturing process comprises the following steps: firstly, a power line component long material with the length larger than the length required by the elastic metal wire is manufactured at one time, then the power line component with the required length is cut according to the size of the elastic metal wire, and the filler wrapped on the wrapping layer is drawn out, so that a through hole which is matched with the section of the elastic metal wire can be formed on the wrapping layer; then, the end of the elastic metal wire which is not bent is used as a penetrating end, the elastic metal wire penetrates through a penetrating hole of the power line component, and the elastic metal wire and the power line component can be assembled together.

Drawings

Fig. 1 is an exploded view of an embodiment of a bone conduction headset incorporating the connection assembly of the present invention;

fig. 2 is a perspective view of an embodiment of a bone conduction headset employing the connection assembly of the present invention;

fig. 3 is a wearing diagram of an embodiment of a bone conduction headset employing the connection assembly of the present invention;

FIG. 4 is an exploded view of the first earhook assembly and the connecting assembly;

FIG. 5 is an assembled cross-sectional view of a first earhook assembly, connection assembly, etc.;

FIG. 6 is an enlarged view of a portion of FIG. 5;

FIG. 7 is a perspective cross-sectional view of the first ear hook assembly, control circuit assembly, etc.;

FIG. 8 is a cross-sectional view of one embodiment of a first earhook assembly, control circuitry assembly, etc.;

FIG. 9 is an enlarged partial view of FIG. 8;

FIG. 10 is a schematic view of the first housing and the first diaphragm in combination;

FIG. 11 is a cross-sectional view of another embodiment of the first earhook assembly, control circuit assembly, etc.;

FIG. 12 is a cross-sectional view of a second earhook assembly, a battery assembly, etc.;

FIG. 13 is a schematic view of the engagement of the elastic wire with the first and second fixing members

FIG. 14 is a schematic view of the connection of the elastic wire to the first fixing member or the second fixing member;

FIG. 15 is a schematic view of a first fastener or a second fastener;

FIG. 16 is a schematic view of the first ear hook assembly being assembled with the first trim element;

FIG. 17 is a schematic view of the filler not being completely withdrawn from the power cord assembly;

FIG. 18 is a schematic view of the filler after it has been withdrawn from the power cord assembly;

FIG. 19 is a schematic view of an unbent end of the resilient wire ready to extend into the through-hole;

fig. 20 is a schematic view of the elastic wire passing through the power line assembly without bending the second hook;

fig. 21 is a schematic view of an embodiment of a connection assembly of the present invention;

fig. 22 is a perspective view of the power cord assembly with both ends passing through the first and second decos;

fig. 23 is a schematic view of another embodiment of a connection assembly of the present invention;

FIG. 24 is a schematic view of a three-segment elastic wire;

FIG. 25 is an assembled cross-sectional view of the first channel, the first trim piece, and the connection assembly;

FIG. 26 is a schematic view of injection molding of a power cord assembly strand;

FIG. 27 is a schematic view of another embodiment of a first trim piece and a second trim piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indicators (such as … …, upper, lower, left, right, front, back, top, bottom, inner, outer, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial) are involved in the embodiments of the present invention, the directional indicators are only used to explain the relative position, motion, etc. of the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.

In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

For easy understanding of the connection assembly of the bone conduction headset of the present invention, the embodiment of the bone conduction headset having the connection assembly 30 of the present invention is introduced here first. However, it should be understood that the connection assembly 30 of the present invention is not limited to be used in the bone conduction headset of the present embodiment, and the connection assembly 30 of the present invention can also be applied to other bone conduction headsets having connection assemblies.

In this embodiment, as shown in fig. 1 to 27, the bone conduction earphone includes a first ear hook component 10, a second ear hook component 20, a connecting component 30 connecting the first ear hook component 10 and the second ear hook component 20, a battery component 204, a control circuit component 104, and bone conduction vibration components 103 and 203, wherein the first ear hook component 10 includes a first housing 101 and a second housing 102 fastened to the first housing 101, and the first housing 101 and the second housing 102 fastened to each other form a first accommodating cavity 01a for accommodating the control circuit component 104 and the bone conduction vibration component 103 in the first ear hook component 10, so that a third accommodating cavity for accommodating the control circuit component 104 does not need to be additionally provided. The second ear-hang component 20 comprises a third shell 201 and a fourth shell 202 buckled with the third shell 201, and the buckled third shell 201 and fourth shell 202 enable the second ear-hang component to form a second accommodating cavity 02a for accommodating a battery component 204 and a bone conduction vibration component 203, so that the fourth accommodating cavity does not need to be additionally arranged to accommodate the battery component, and the structure and the assembly work of the whole bone conduction headset are simplified. In addition, after the ear hook is worn, because the first ear hook component is positioned at the position of the front side of the tragus, the control part of the control circuit component accommodated in the first accommodating cavity is necessarily concentrated at the position of the front side of the tragus, so that the control circuit component can be easily touched, and the specific function control is greatly facilitated.

It will be appreciated that the first earhook assembly 10 may be designed to be worn by the right ear, and may also be designed to be worn by the left ear. When the first ear hook assembly 10 is designed to be worn by the right ear, the second ear hook assembly 20 is designed to be worn by the left ear. However, when the first ear hook assembly 10 is designed to be worn by the left ear, the second ear hook assembly 20 is designed to be worn by the right ear, and how to wear the second ear hook assembly is the prior art, which is not described herein again.

In this embodiment, the first housing 101 and the second housing 102 are connected in various manners, in a preferred embodiment, the first housing 101 has at least two first male posts (or called positioning pins, not shown) extending toward the second housing 102, corresponding first female posts (or called positioning pin sleeves, not shown) extending from corresponding positions of the second housing 102, and the first male posts are inserted into the first female posts to precisely snap-fit and position the first housing 101 and the second housing 102, and the first housing 101 and the second housing 102 are fixedly connected by screws 11, or the first housing 101 and the second housing 102 are fixedly connected by ultrasonic welding or gluing. In this embodiment, the first housing 101 (or the second housing 102) is provided with at least one first T-shaped through hole 1011, the second housing 102 is provided with a first blind screw hole 1023 at a position corresponding to the first T-shaped through hole 1011, and after the screw 11 partially passes through the first T-shaped through hole 1011 of the first housing 101, the screw is screwed with the first blind screw hole 1023, so as to fixedly connect the first housing 101 and the second housing 102, or fixedly connect the third housing 201 and the fourth housing 202 by ultrasonic welding or gluing. Similarly, the third housing 201 has at least two second male posts 2010 extending toward the fourth housing 202, corresponding second female posts (not shown) extend from corresponding positions of the fourth housing 202, the second male posts are inserted into the second female posts to precisely snap-fit and position the third housing 201 and the fourth housing 202, and the third housing 201 and the fourth housing 202 are fixedly connected by screws, specifically, how to connect by screws, please refer to the connection manner of the first housing 101 and the second housing 102, which is not described herein again.

Further, the decorative piece comprises a first decorative piece 301 and a second decorative piece 401, wherein the first decorative piece 301 and the second decorative piece 401 can be integrally in an arc-shaped sleeve-shaped structure (see fig. 1); or both the sleeve-shaped back part and the annular front part are communicated (see fig. 4 and 22). The first ear hook component 10 and the second ear hook component 20 are respectively provided with a first channel 1026 and a second channel 2026 through which two ends of the connecting component 30 pass and respectively enter the first accommodating cavity 01a and the second accommodating cavity 02a, the first decoration piece 301 and the second decoration piece 401 are sleeved on the peripheral walls of the first channel 1026 and the second channel 2026, and if necessary, the first decoration piece 301 and the first channel 1026, and the second decoration piece 401 and the second channel 2026 are fixedly connected through glue, so as to improve the connecting strength.

Specifically, the first channel 1026 may be disposed on the first housing 101, or may be disposed on the second housing 102, or may be formed by the first housing 101 and the second housing 102 together, and is preferably formed by the first housing 101 and the second housing 102 together, that is, an arc-shaped first arch 1015 and an arc-shaped second arch 10261 extend from one side of the first housing 101 and one side of the second housing 102, and the first arch 1015 and the second arch 10261 are fastened to form the first channel 1026. Similarly, the second channel 2026 may be disposed in the same manner as the first channel 1026, that is, an arc-shaped third arch 2011 and an arc-shaped fourth arch 2021 extend from one side of the third casing 201 corresponding to one side of the fourth casing 202 corresponding to the other side of the third casing 202, and the third arch 2011 and the fourth arch 2021 are fastened to enclose the second channel 2026.

Preferably, the transitions between the first arch 1015 and the first shell 101 and between the second arch 10261 and the second shell 102 have step surfaces, the height of which is consistent with the thickness of the first ornamental piece 301 corresponding to the position of the first channel 1026, and for the same reason, the transitions between the third arch 2011 and the third shell 201 and between the fourth arch 2021 and the fourth shell 202 also have step surfaces, the height of which is consistent with the thickness of the second ornamental piece 401 corresponding to the position of the second channel 2026, so as to ensure the flatness of the first ornamental piece 301 and the second ornamental piece 401 in the region after being assembled with the first ear hook assembly 10 and the second ear hook assembly 20, respectively, thereby improving the wearing comfort and the overall aesthetic quality.

Preferably, one or more of the first T-shaped through holes 1011 having a large cross-sectional area are located on a side of the first arch 1015 facing away from the second arch 10261, and may be covered by the first decorative member 301 to improve the overall aesthetic appearance. Similarly, one or more second T-shaped through holes (not shown) having a larger cross-sectional area are formed on the side of the third arch 2011 facing away from the fourth arch 2021, and may be covered by the second decoration 401 to improve the overall aesthetic feeling.

When the first decorative piece 301 and the second decorative piece 401 are composed of the sleeve-shaped rear portion and the annular front portion, the side walls of the first shell 101 and the second shell 102 are respectively provided with opposite steps, the two steps jointly enclose a first inner groove U1, the annular front portion of the first decorative piece 301 is sleeved in the first inner groove U1, the first ear hanging component 10 and the first decorative piece 301 are prevented from being separated abnormally, and the sleeve-shaped rear portion is sleeved on the connecting component 30 and the first channel 1026. Similarly, the annular front portion of the second decorative member 401 is sleeved in a second inner groove (not shown) formed by the third housing 201 and the fourth housing 202, so as to prevent the second ear-hang element 20 and the second decorative member 401 from being separated abnormally, and the rear portion of the sleeve shape is sleeved in the connecting element 30 and the first channel 1026. Optionally, the rear ends of the first decoration 301 and the second decoration 401 may also extend along the connection assembly 30 and finally be connected to form the first decoration 301 and the second decoration 401 into a whole, so as to cover the connection assembly 30 and improve the overall aesthetic feeling of the bone conduction headset.

In this embodiment, the first decoration element 301 and the second decoration element 401 are made of a soft material, and specifically, both can be made of a single soft material, such as silicone rubber, latex, TPE, TPU, or PP, or can be made of a composite material, such as silicone rubber, composite plastic, modified soft plastic, and preferably made of silicone rubber, and the silicone rubber has wear-resistant and soft characteristics. After the bone conduction earphone is worn, the first decoration piece 301 and the second decoration piece 401 are hung at the ear root part of the ear of a person, the bone conduction earphone is supported by the ear root part, and the first decoration piece 301 and the second decoration piece 401 made of soft materials can improve the wearing suitability of the bone conduction earphone.

Further, the ear hook device further comprises a charging assembly 106, wherein the charging assembly 106 is embedded in the first ear hook assembly 10, for example, embedded in the second housing 102 or the first housing 101, preferably embedded in the second housing 102, and electrically connected with the control circuit assembly 104 in the first accommodating cavity 01 a.

In the present embodiment, the structure of the charging assembly 106 and the assembly manner of the charging assembly with the first casing 101 or the second casing 102 have various embodiments. The charging component 106 can be a USB charging component or a magnetic attraction charging component, etc.

The charging assembly 106 is a USB charging assembly and is embedded in the second housing 102. In this embodiment, as shown in fig. 1, 5, 6, etc., a recessed groove 1027 is formed on a side wall of the second housing 102, the charging assembly 106 is embedded in the recessed groove 1027, and a partial through hole 3011 is formed at a position of the first decoration 301 corresponding to the recessed groove 1027 for a USB charging socket of an external charger to pass through to be inserted into the charging assembly 106. Further, a plug 3010 is disposed at the partial through hole 3011, and the partial through hole 3011 can be opened and closed to protect the charging component 106 during non-charging. The hole plugs 3010 are preferably integrally formed with the first trim piece 301. The USB charging component is the prior art, and the detailed structure and the working principle thereof are not described herein.

The optional assembling position of the charging assembly 106 in this embodiment may be assembled on the bottom side, the left side or the right side of the second housing 102, that is, the caulking groove 1027 may be disposed on the bottom side, the left side or the right side of the second housing 102, and the same effect may be obtained by adopting the same scheme as described above. Different assembling angles and orientations can be adopted according to different requirements of different crowds and different using modes.

As shown in fig. 1, 7, 8, 10, 12, etc., the second casing 102 includes a second casing main body 1020 with two open sides and a first diaphragm 105 mounted on a side of the second casing main body 1020 opposite to the first casing 101, the first diaphragm 105 seals a side of the second casing main body 1020 opposite to the first casing 101, and a conductive surface of the bone conduction vibration component 103 is fixedly connected (e.g., bonded) to the first diaphragm 105, so that, in use, generated vibration is transmitted to the skin on the front side of the tragus via the first diaphragm 105 to perform bone conduction of sound. As shown in fig. 1, 12 and the like, the fourth casing 202 includes a fourth casing main body 2020 and a second diaphragm 205 mounted on a side of the fourth casing main body 2020 opposite to the third casing 201, and a conduction surface of the bone conduction vibration component 203 is fixedly connected (e.g., adhesively connected) to the second diaphragm 205, so that, in use, a generated vibration is conducted to the skin on the front side of the tragus through the second diaphragm 205 to perform bone conduction of sound.

As shown in fig. 1, 7, 8, 10, 12, etc., the first diaphragm 105 is a shell-shaped structure with a U-shaped cross section, a first reverse-buckling edge 1054 extends from an end of a surrounding wall of the first diaphragm, a first annular groove 10201 corresponding to the first reverse-buckling edge 1054 is disposed in the second shell main body 1020, the first reverse-buckling edge 1054 is inserted into the first annular groove 10201 and is adhesively fixed in the first annular groove 10201, and the first reverse-buckling edge is disposed to increase the glue-applying area of the first annular groove 10201, so that the automatic glue-applying operation is easier and the bonding is firmer.

One side (i.e., the inner wall) of the bone conduction vibration assembly 103 facing the first housing 101 is provided with an annular first stepped groove 1051, the first diaphragm 105 is partially clamped into the first stepped groove 1051, the clamping depth is preferably 0.5-2mm, and the edge of the conduction surface of the first diaphragm 105 is fixedly connected with the stepped surface of the first stepped groove 1051 through glue.

Generally, the bone conduction vibration assembly 103 conducts sound to the surrounding environment during vibration, i.e., other people in the environment can hear the sound generated by the bone conduction vibration assembly 103 except the wearer, because the vibration of the bone conduction vibration assembly 103 is conducted to the adjacent first and second shells 101 and 102 to form resonance, so that the sound wave resonates in the first receiving cavity 01a of the first ear hook assembly 10 and propagates to the external space, thereby generating sound leakage. To solve this problem, in the present embodiment, the surrounding wall of the first diaphragm 105 is configured to have two sections forming an included angle of 100 degrees and 155 degrees with each other, including a first inclined section 1052 connected to the working surface section of the first diaphragm 105 (i.e. the first inclined section 1052 is inclined with respect to the working surface section of the first diaphragm 105) and a first vertical section 1053 connected to the first inclined section and the first inverted edge 1054 (i.e. the first vertical section 1053 is substantially perpendicular to the working surface section of the first diaphragm 105), the first inclined section 1052 forms a first vibrating arm, the first vertical section 1053 forms a second vibrating arm, the working surface section of the first diaphragm 105 elastically contacts and presses against the skin on the front side of the tragus, so that the first inclined section 1052 (i.e. the first vibrating arm) of the first diaphragm 105 generates a first deformation, the first vertical section 1053 (i.e. the second vibrating arm) generates a second deformation, and the first diaphragm 105 is generally made of soft silicone or rubber, therefore, after the first vibration arm and the second vibration arm are deformed, the conduction of vibration can be effectively cut off, the vibration amplitude of the resonant wave of the bone conduction vibration component is reduced, and the sound leakage is reduced. Specifically, the wall thickness of the first inclined section 1052 and the first vertical section 1053 of the first diaphragm 105 is preferably 0.5-1.2 mm. It can be understood that how to connect the bone conduction vibration component 103 to the control circuit component 104 through the power line is prior art and will not be described herein. It is to be understood that the structure and the connection manner of the fourth case body 2020 and the second diaphragm 205 refer to the structure and the connection manner of the second case body 1020 and the first diaphragm 105, and are not described in detail herein.

There are various embodiments of the structure of the first casing 101, in an embodiment, as shown in fig. 1, fig. 7, fig. 8, fig. 10, fig. 12, and the like, the first casing 101 includes a cover 101b and a first casing main body 101a, a side of the first casing main body 101a facing away from the second casing 102 is provided with a second stepped groove 101a1, the cover 101b is fixed (for example, fixed by glue) in the second stepped groove 101a1, and the cover 101b is made of a soft plastic material and is elastic.

Illustratively, the first case main body 101a is provided with a first through hole 101c, and the first case main body 101a has at least one elastic arm 1013 extending into the first through hole 101c, the elastic arm 1013 is provided with a contact 1012 extending towards the inside of the first accommodating cavity 01a, the function key of the control circuit assembly 104 is opposite to the corresponding contact 1012, the first through hole 101c is provided at a position where the first case main body 101a is covered by the cover body 101b or the first decoration 301, and by pressing the cover body 101b or the first decoration 301 from the outside corresponding to the position of the contact 1012, the corresponding elastic arm 1013 is forced to elastically bend and deform and the contact 1012 is forced to press the corresponding function key of the control circuit assembly 104, thereby realizing the control of the corresponding function of the control circuit assembly 104.

For example, in an embodiment, the first through hole 101c is disposed at a position where the first case main body 101a is covered by the cover 101b, the elastic arm 1013 and the contact 1012 are covered by the cover 101b, the outer surface of the cover 101b is provided with a plurality of outer local protrusions T2, T6, T7, positions of the outer local protrusions T2, T6, T7 are thickened and hardened, inner local protrusions T4 are disposed at positions of the inner surface of the cover 101b corresponding to the outer local protrusions T2, T6, T7, an end surface of the inner local protrusion T4 directly contacts the contact 1012, and when the outer local protrusions T2, T6, T7 are pressed, a force can be transmitted to a corresponding function key of the control circuit assembly 104 through the contact 1012, so as to control a corresponding function of the control circuit assembly 104.

Furthermore, the inner wall of the covering body 101b is provided with a local concave T1 to reduce the elastic deformation resistance when pressing the outer local protrusions T2, T6 and T7, and to protect the elastic arm 1013, the thickness of the local concave T1 is 0.3mm, and optionally, the thickness can also be set to 0.5 mm, so as to meet different hand feeling requirements.

In this embodiment, the function keys mainly control the functions of the bone conduction earphone, and there are a plurality of function keys, for example: the multifunctional key 1042 is provided, and the corresponding external local bulge T2 can be pressed to realize the functions of turning on and off the phone, dialing the hang-up phone, playing the pause music, double-click activating the intelligent voice function, connecting the Bluetooth mobile device, Bluetooth communication and the like. The function of playing the previous song can be realized by pressing the corresponding outer local bulge T7 and increasing the volume by pressing the volume button 1041. The volume-reducing button 1043 is provided, the volume can be reduced by pressing the corresponding external local bulge T6, and the next song playing function can be realized by long pressing. It should be noted that the sequence of the function keys can be adjusted according to different mode selections of the bone conduction headset, and the functions are not limited to this according to the design selection of different functions of the bone conduction headset. The number of the functional keys is not limited according to the requirements of functions, and the functional keys can be expanded into touch keys and knocking keys without limiting the implementation form.

Specifically, the cover 101b is a convex arc-shaped hood-shaped structure, and the connecting edge of the cover is provided with a protrusion 101b1 extending to the second stepped groove 101a1, and the protrusion is fixedly connected with the second stepped groove 101a1, so that a pressing space is formed between the cover 101b and the elastic arm 1013, and the function key is integrated in the control circuit assembly 104.

As shown in fig. 11, it can be understood that the control portion of the control circuit assembly 104 may also be disposed at a position where the first ear hook assembly 10 is covered by the first decoration 301, that is, the position where the first housing 101 and/or the second housing 102 is covered by the first decoration 301 is separately or jointly provided with the second through hole 101d, the outer surface of the first decoration 301 corresponding to the function key is provided with the external protrusions T9, T10, the inner surface of the first decoration 301 is provided with the corresponding internal protrusions T11, T12, the ends of the internal protrusions T11, T12 contact the corresponding function key (of course, there may be a small gap without contact), the peripheries of the internal protrusions T11, T12 have the local concave T8, and the decoration 301 is made of the soft material as a whole. In this embodiment, the function keys mainly control the functions of the bone conduction earphone, and there are a plurality of function keys, for example, there is an add volume key 1044, and pressing the corresponding external protrusion T9 can realize the function of volume increase and long press to realize the play of the previous song, and there is a decrease volume key 1045, and pressing the corresponding external protrusion T10 can realize the function of volume decrease and long press to realize the play of the next song. Specifically, the positions of the function keys can be adjusted according to different mode selections of the bone conduction headset, and the functions of the function keys are not limited to the above according to the design selection of different functions of the bone conduction headset. The number of the functional keys is not limited according to the needs of functions, and in addition, the functional keys can be expanded into touch keys and click keys without limiting the implementation form.

Having described embodiments of the bone conduction headset with the connection assembly 30 of the present invention, embodiments of the connection assembly of the bone conduction headset of the present invention will be described next.

In the embodiment of the present invention, the connecting assembly 30 is an irregular U-shaped linear structure, and includes a power line assembly 302 having a through hole 302d and an elastic metal wire 303 passing through the through hole 302d, and the power line assembly 302 is extended from two ends of the elastic metal wire 303. The two ends of the elastic wire 303 extending out of the power line component 302 are respectively used for being directly or indirectly connected with the first ear-hook component 10 and the second ear-hook component 20 of the bone conduction earphone. In indirect connection, the connecting assembly 30 further includes a first fixing member 304 and a second fixing member 404 connected to both ends of the elastic wire 303. Elastic metal silk 303 is made by the material that possesses certain elasticity, can be according to the angle extrusion back deformation when wearing, can laminate more and wear the angle and the curve of position to possess certain toughness, have better resistance to compression and anti deformability, be difficult to damage bone conduction earphone or lead to irreversible deformation when the user uses. The first fixing piece 304 and the second fixing piece 404 are respectively enclosed in the first decorating piece 301 and the second decorating piece 401, the first fixing piece 304 and the second fixing piece 404 respectively partially extend into the first accommodating cavity 01a and the second accommodating cavity 02a, and are respectively fixed on the second shell 102 (or the first shell 101) and the fourth shell 202 (or the third shell 201) in a screw or rivet mode, and two ends of a core wire 302b of the power line component 302 respectively extend into the first accommodating cavity 01a and the second accommodating cavity 02a and are respectively and directly connected with the control circuit component 104, the bone conduction vibration components 103 and 203, the battery component 204 and other elements (specifically, the elements can be connected in a spot welding mode) directly or through the adapter plate 206 to form a complete circuit.

As shown in fig. 17 to 24, in the present embodiment, the power line assembly 302 includes a flexible wrapping layer 302a and a core line 302b wrapped in the wrapping layer 302a, the wrapping layer 302a is provided with a through hole 302d through which the elastic metal wire 303 can be inserted, the core line 302b includes a plurality of conductive wires 302f and an outer skin 302e wrapping the conductive wires, and there are preferably intervals between the core line 302b and the through hole 302d and between the plurality of conductive wires 302f, so as to avoid the occurrence of a situation that the conductive wires 302f are damaged and cause a local short circuit due to friction when being worn. The through hole 302d is matched with the elastic metal wire 303 or slightly larger than the metal wire 303, and can be set as required, so as to be better for manufacturing and using. The conductive wire 302f may be made of enameled wire, teflon wire, etc., and the outer circumference is covered by an outer skin 302e made of insulating soft rubber. The wrapping layer 302a may be made of a soft material, such as silicone rubber, latex, TPE, TPU, PP, etc.; or can be made of composite materials, such as silicon rubber, composite plastics, modified soft plastics and the like. The outer skin 302e is made of a soft material, and may be made of a single soft material, such as silica gel, rubber, latex, TPE, TPU, PP, or a composite material, such as silicone rubber, composite plastic, or modified soft plastic.

Specifically, the material of the core wires 302b of the power line assembly 302 may be an enameled wire or a teflon wire, and the number of the core wires 302b is set according to the requirement of the circuit that needs to be turned on actually, and may be multiple, for example, two, three, four, five, or eight. The elastic metal wire 303 is a complete or a plurality of spliced metal wires (such as memory metal wires) with elastic performance, which are hot-pressed and formed into an irregular U shape, so as to support the power line assembly to integrally form an elastic U-shaped linear structure, and the first ear hook assembly 10 and the second ear hook assembly 20 are connected through the elastic metal wire 303, so that the bending performance and the structural stability of the bone conduction earphone can be effectively enhanced, the first ear hook assembly 10 and/or the second ear hook assembly 20 can be effectively deformed and elastically restored to the original shape when being stretched or bent, and irreversible deformation is not easy to generate. And the problem that the plastic material is easy to break when deformed in the traditional bone conduction earphone where the bone conduction earphone contacts the ear root can be solved.

As shown in fig. 1, 5, 11, etc., two ends of the elastic wire 303 are bent to form a first hook 3031 and a second hook 3032, which are L-shaped, O-shaped or C-shaped, and the first hook 3031 and the second hook 3032 are respectively clamped on the first fixing member 304 and the second fixing member 404, so as to ensure the connection strength between the two ends of the connecting assembly 30 and the first ear hook assembly 10 and the second ear hook assembly 20.

In this embodiment, the first ear hook assembly 10 and the second ear hook assembly 20 respectively have the first channel 1026 and the second channel 2026 through which the first fixing member 304 and the second fixing member 404 and the core wire 302b partially penetrate and enter the first accommodating cavity 01a and the second accommodating cavity 02a, the first fixing member 304 is provided with a first fixing groove 3042 in which the first hook 3031 of the elastic wire 303 is clamped and hooked, the second fixing member 404 is provided with a second fixing groove 4042 in which the second hook 3032 of the elastic wire 303 is clamped and hooked, so as to connect two ends of the elastic wire with the first fixing member 304 and the second fixing member 404 respectively, the first fixing member 304 is provided with a first accommodating groove 3041 in which the core wire 302b is partially embedded, and the second fixing member 404 is provided with a second accommodating groove 4041 in which the core wire 302b is partially embedded. Specifically, the first fixing groove 3042 and the first receiving groove 3041 are located on two opposite sides of the first fixing element 304, and the second fixing groove 4042 and the second receiving groove 4041 are located on two opposite sides of the second fixing element 404. And the connection assembly 30 is assembled with the first and second ear hook assemblies 10 and 20, the first and second securing members 304 and 404 are surrounded or clamped by the inner walls of the first and second channels 1026 and 2026, respectively, such that the first hook 3031 is clamped by the inner walls of the first channel 1026 and the groove walls of the first retaining groove 3042 to prevent the first hook 3031 from disengaging from the first retaining groove 3042. Also, the second hook 3032 is held by the inner wall of the second channel 2026 and the groove wall of the second fixing groove 4042 to prevent the second hook 3032 from being separated from the second fixing groove 4042.

Specifically, the first fixing member 304 and the second fixing member 404 are respectively provided with a first screw through hole 3044 and a second screw through hole 4044, a screw is used to lock the first fixing member 304 to the first threaded connection hole 1022 on the inner wall of the first casing 101 or the second casing 102 through the first screw through hole 3044, and a screw is used to lock the second fixing member 404 to the second threaded connection hole (not shown) on the inner wall of the third casing 201 or the fourth casing 202 through the second screw through hole 4044, so as to ensure the connection strength between the connection assembly 30 and the first ear-hang component 10 and the second ear-hang component 20.

It can be understood that, the connection manner of the elastic wire 303 and the first fixing element 304 and the second fixing element 404 may also adopt other embodiments besides the clamping manner described in the above embodiments, for example, a manner of molding inside a mold may be adopted, specifically, the first hook 3031 and the second hook 3032 of the elastic wire 303 may be embedded into a location in the mold, after the mold is closed, molten plastic or hardware (such as aluminum alloy or magnesium alloy) is injected into the mold, and after the molding, both ends of the elastic wire 303 are directly fused with the first hook 3031 and the second hook 3032, so that the connection is firmer.

The embodiment of the utility model provides an elastic metal wire 303 can be the metal of simple substance, also can use the alloy of multiple material, elastic metal wire such as spring steel, aluminum alloy, magnesium alloy, nickel alloy, titanium-nickel alloy also can adopt metal material and non-metallic material's combined metal. The round wire of the elastic metal wire 303 can be a flat wire with a diameter larger than 0.3mm and smaller than 2mm or similar specification, the length of the cross section of the flat wire can be larger than 0.3mm and smaller than 30mm, and the width of the cross section of the flat wire is larger than 0.3mm and smaller than 30 mm. The length of the resilient wire may vary as desired, and may be of different lengths, for example lengths in the range of greater than 250mm and less than 500 mm.

As shown in fig. 13 and 24, in the embodiment of the present invention, the elastic wire 303 may be a complete structure or may be formed by splicing multiple segments. For example, in order to more accurately manufacture the elastic metal wire 303 into a certain U-shaped irregular shape, three sections of elastic metal wires can be spliced into a whole, the three sections of elastic metal wires are respectively a left metal wire 3036, a middle metal wire 3037 and a right metal wire 3035, and the length of the middle metal wire 3037 is greater than that of the left metal wire 3036 and that of the right metal wire 3035. Alternatively, the length of the left wire 3036 and the length of the right wire 3035 may be the same or different. Optionally, the ends of the left wire 3036, the middle wire 3037 and the right wire 3035 may be square, and the cross section may be rectangular or circular. The diameter is more than 0.3mm and less than 2mm, the three sections of metal wires can be made of the same or partially the same material, or all the same material, and the diameters can be the same, partially the same or all the same material. The metal material can be selected from spring steel, aluminum alloy, magnesium alloy, nickel alloy, titanium-nickel alloy, etc. The connectors 61 and 62 may be injection molded between the left and right wires 3036 and 3035 and the middle wire 3037 by means of in-mold injection to connect the left and right wires 3036 and 3035 and the middle wire 3037 as a whole, and the connectors 61 and 62 may be partially provided with receiving grooves 611 and 621 for partially receiving the core wire 302 b. Optionally, the connecting members 61 and 62 may also be separate plastic members, and the connecting members 61 and 62 are provided with holes into which the ends of the left wire 3036, the middle wire 3037, and the right wire 3035 are just inserted, and are fixed in a tight fit or dispensing manner. A more ergonomically U-shaped irregular shape that is more comfortable to wear is formed to meet the criteria that the first and second ear hook assemblies 10 and 20 conform more closely to the front of the human tragus after being worn.

After the embodiment of the connection assembly 30 of the present invention is described, an embodiment of a method for manufacturing the connection assembly of the present invention will be described.

In the embodiment of the present invention, as shown in fig. 17 to 25, the manufacturing method of the connection assembly of the bone conduction earphone includes the steps of:

s1, manufacturing a power line component long material 302-1, wherein a wrapping layer long material 302a-1 of the power line component long material 302-1 is wrapped with a linear filler long material 302 c-1.

It should be noted that the power cord assembly length 302-1, as described herein, has a greater length prior to cutting, and may be cut into a plurality of power cord assemblies 302 that meet the desired length of the respective elastic wires 303. It may be in roll form or in loose form prior to cutting.

In the embodiment of the present invention, the step S1 of manufacturing the power line assembly long material 302-1 includes a process of continuously feeding the linear filler long material 302c-1 and the core line long material 302b-1 into the wire forming mold 12 for injection molding, and forming the wrapping layer long material 302a-1 wrapping the filler long material 302c-1 and the core line long material 302b-1 to form the power line assembly long material 302-1. Of course, other forming methods can be used to form the power cord assembly long material 302-1.

Specifically, the structure of the wire forming mold may adopt an existing cable forming mold, and details on the specific structure and the working principle are not repeated herein, a gate of the wire forming mold is abutted to the injection port 14 of the injection molding machine, the molten forming material injected from the injection port flows into the wire forming mold 12 through the gate of the wire forming mold 12, the core wire long material 302b-1 and the filler long material 302c-1 are wrapped, and the wrapping layer long material 302a-1 is formed by molding.

The filler strand 302c-1 may be made of nylon or a similar performance material having a cross-section that conforms to the cross-sectional shape of the resilient wire 303 and is slightly larger than the cross-sectional area of the resilient wire 303. The filler strand 302c-1 and the core strand 302b-1 are parallel and spaced apart after entering the wire forming die.

S2, cutting the power line assembly 302 of a required length according to the size of the elastic wire 303 from the power line assembly long material 302-1, and drawing out the filler 302c wrapped around the wrapping layer 302a to form a through hole 302d in the wrapping layer 302a corresponding to the cross section of the elastic wire 303.

Specifically, in order to facilitate the drawing of the filler 302c to form the through hole 302d in the power cord assembly 302, a process of adhering talc powder 13 or other similar surface-slipping substance to the peripheral wall of the filler strand 302c-1 is further included before the filler strand 302c-1 is continuously fed into the wire forming die 12. Specifically, the filler strip 302c-1 (or the core strip 302 b-1) may be passed through the talc powder 13 contained in the container, so that the talc powder 13 adheres to the surface of the filler strip 302c-1, thereby improving the smoothness of the peripheral wall of the filler strip 302c-1, and facilitating the subsequent extraction of the filler 302c from the power line assembly 302.

S3, the end of the elastic wire 303 that is not bent is used as a threading end, and the elastic wire 303 is threaded into the through hole 302d of the power line assembly 302. Thereby assemble elastic metal wire 303 and power cord subassembly 302 together, and need not according to the different moulds of the length of the elastic metal wire of different specifications and shape customization in order to carry out injection moulding like prior art, obviously, the utility model discloses an efficient and cost of manufacture is low

In the embodiment of the present invention, if the elastic metal wire 303 is of an integral structure, and both ends of the elastic metal wire 303 finally have the first hook 3031 and the second hook 3032 respectively, in order to enable the elastic metal wire 303 to be inserted into the insertion hole 302d, at least one end of the elastic metal wire (for example, the subsequent end having the second hook 3032) of the U-shaped irregular shape should not be bent, and then the bending operation process of the at least one end (for example, bending to form the second hook 3032) is performed after insertion, both ends of the elastic metal wire 303 are located outside the insertion hole 302d, and the power line assembly 302 changes according to the shape of the elastic metal wire 303, thereby integrally forming the U-shaped irregular shape.

If the elastic wire is composed of a plurality of segments (e.g., three segments), any end of the middle wire 3037 may be used as a penetrating end, the penetrating middle wire 3037 is disposed in the penetrating hole 302d, after the penetrating, two ends of the middle wire 3037 are located outside the penetrating hole 302d, and then the left wire 3036, the right wire 3035 and the middle wire 3037 are connected, so that the elastic wire 303 is more accurately manufactured into a certain U-shaped irregular shape. Specifically, the length of the left wire 3036 and the length of the right wire 3035 may be the same or different. Optionally, the ends of the left wire 3036, the middle wire 3037 and the right wire 3035 may be square, and the cross section may be rectangular or circular. The diameter is more than 0.3mm and less than 2mm, the three sections of metal wires can be made of the same or partially the same material, or all the same material, and the diameters can be the same, partially the same or all the same material.

In this embodiment, the connecting members 61 and 62 may be injection molded between the left and right wires 3036 and 3035 and the middle wire 3037 by means of in-mold injection to connect the left and right wires 3036 and 3035 and the middle wire 3037 into a whole, and the connecting members 61 and 62 may be partially provided with the receiving grooves 611 and 621 for partially receiving the core wire 302b, that is, the process of partially receiving the core wire 302b in the receiving grooves 611 and 621 of the connecting members 61 and 62 is further included. Optionally, the connectors 61 and 62 may also be separate plastic components, and the connection between the left wire 3036 and the right wire 3035 and the middle wire 3037 is performed, including inserting the ends of the right wire 3035 and the middle wire 3037 into a hole of a connector 61, and fixing the ends by tight fitting or dispensing; and an operation of inserting the distal ends of the left wire 3036 and the middle wire 3037 into the holes of the other connector 62 and fixing them by interference fit or spot-gluing. A more ergonomically U-shaped irregular shape that is more comfortable to wear is formed to meet the criteria that the first and second ear hook assemblies 10 and 20 conform more closely to the front of the human tragus after being worn.

After the above steps are completed, the connection between the two ends of the elastic wire 303 and the first fixing member 304 and the second fixing member 404 (if the first fixing member 304 and the second fixing member 404 are provided) is performed. For example, after the step S3, the method further includes a process of hooking the first hook (3031) and the second hook (3032) at the two ends of the elastic wire (303) to the first fixing groove (3042) of the first fixing member (304) and the second fixing groove (4042) of the second fixing member (404), respectively, and partially embedding the two ends of the core wire (302 b) into the first receiving groove (3041) of the first fixing member (304) and the second receiving groove (4041) of the second fixing member (404), respectively. Alternatively, the first fixing member 304 and the second fixing member 404 may be directly injection-molded at both ends of the elastic wire 303, in which case both ends of the elastic wire 303 may not be bent. Then, the assembly work between the respective components of the integral bone conduction headset is performed.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (10)

1. The utility model provides a coupling assembling of bone conduction earphone which characterized in that, including power cord subassembly (302) that has wear to establish hole (302 d) and wear to locate elastic metal silk (303) of wear to establish hole (302 d), power cord subassembly (302) is stretched out at the both ends of elastic metal silk (303), and the both ends that elastic metal silk (303) stretched out power cord subassembly (302) are used for directly or indirectly being connected with first ear-hang subassembly (10) and second ear-hang subassembly (20) respectively.

2. The connection assembly of a bone conduction headset of claim 1, wherein: the power wire assembly (302) comprises a soft wrapping layer (302 a) and a core wire (302 b) wrapped in the wrapping layer (302 a), the wrapping layer (302 a) is provided with a through hole (302 d) capable of penetrating through the elastic metal wire (303), and the core wire (302 b) comprises a plurality of conductive wires (302 f) and a sheath (302 e) wrapping the conductive wires.

3. The connection assembly of a bone conduction headset of claim 2, wherein: the elastic metal wire (303) is of an integral structure, and two ends of the elastic metal wire (303) are respectively provided with a first hook (3031) and a second hook (3032) which are respectively used for being directly or indirectly connected with the first ear hook component (10) and the second ear hook component (20).

4. The connection assembly of a bone conduction headset of claim 2, wherein: the elastic metal wire (303) is formed by splicing three sections of elastic metal wires into a whole, the three sections of metal wires are respectively a left metal wire (3036), a middle metal wire (3037) and a right metal wire (3035), the middle metal wire (3037) penetrates through the penetrating hole (302 d), two ends, extending out of the power wire assembly, of the middle metal wire (3037) are respectively connected with the left metal wire (3036) and the right metal wire (3035) through connecting pieces (61 and 62), and two ends, opposite to each other, of the left metal wire (3036) and the right metal wire (3035) are respectively provided with a first hook (3031) and a second hook (3032).

5. The connection assembly of a bone conduction headset of claim 4, wherein: the two connecting pieces (61, 62) connect the middle metal wire (3037) with the left metal wire (3036) and the right metal wire (3035) in an in-mold injection mode; or the connecting pieces (61, 62) connect the middle metal wire (3037) with the left metal wire (3036) and the right metal wire (3035) in a mode of inserting through the holes and tightly matching or dispensing.

6. The connection assembly of a bone conduction headset of claim 5, wherein: the two connecting members (61, 62) are partially provided with receiving grooves (611, 621) for partially receiving the core wires (302 b).

7. The connection assembly of a bone conduction headset according to any one of claims 1 to 6, wherein: the both ends of elastic metal silk (303) are connected with first mounting (304) and second mounting (404) respectively, first mounting (304) and second mounting (404) are respectively through first passageway (1026) of first ear-hang subassembly (10) and second passageway (2026) local of second ear-hang subassembly (20) stretch into inside first ear-hang subassembly (10) and second ear-hang subassembly (20) to link firmly with first ear-hang subassembly (10) and second ear-hang subassembly (20).

8. The connection assembly of a bone conduction headset of claim 7, wherein: the first fixing part (304) is provided with a first fixing groove (3042) for clamping and hooking a first hook (3031) of the elastic metal wire (303) therein, the second fixing part (404) is provided with a second fixing groove (4042) for clamping and hooking a second hook (3032) of the elastic metal wire (303) therein, when the first fixing part (304) and the second fixing part (404) are fixedly connected with the first ear hanging component (10) and the second ear hanging component (20) respectively, the first hook (3031) is clamped by the inner wall of the first channel (1026) and the groove wall of the first fixing groove (3042), and the second hook (3032) is clamped by the inner wall of the second channel (2026) and the groove wall of the second fixing groove (4042).

9. The connection assembly of a bone conduction headset of claim 7, wherein: the first fixing member (304) is provided with a first receiving groove (3041) in which the core wire (302 b) is partially embedded, and the second fixing member (404) is provided with a second receiving groove (4041) in which the core wire (302 b) is partially embedded.

10. The connection assembly of a bone conduction headset of claim 7, wherein: the first fixing piece (304) and the second fixing piece (404) are respectively provided with a first screw through hole (3044) and a second screw through hole (4044), and the first fixing piece (304) and the second fixing piece (404) are respectively fixedly connected with the first ear-hang component (10) and the second ear-hang component (20) through the first screw through hole (3044) and the second screw through hole (4044) by corresponding screws.

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