CN218526427U - Bone conduction device and helmet - Google Patents

Abstract

The utility model belongs to the technical field of bone conduction devices, in particular to a bone conduction device, a helmet and a shell; the shell is internally provided with an installation cavity, the shell is provided with a conduction cavity communicated with the installation cavity, an opening cover of the conduction cavity is provided with an elastic conduction piece, and at least part of the elastic conduction piece protrudes out of the conduction cavity; the bone conduction sounding unit is arranged in the conduction cavity, and a vibration surface of the bone conduction sounding unit is fixedly connected with the elastic conduction piece; a control circuit board and a battery are arranged in the mounting cavity, and the battery and the bone conduction sounding unit are electrically connected with the control circuit board; this bone conduction device is applied to in the helmet, and the casing is fixed in on the outer wall of helmet to with the outer wall of elasticity conduction piece butt helmet. Because elasticity conduction piece adopts the elasticity material and has good elasticity, and elasticity conduction piece middle part does not have hard material to block, and elasticity conduction piece can realize elastic expansion, makes the inseparable butt outer wall of helmet of elasticity conduction piece, avoids bone conduction device and helmet assembly tension or the unable contact helmet scheduling problem of bone conduction sound producing unit.

Description

Bone conduction device and helmet

Technical Field

The utility model belongs to the technical field of bone conduction device, especially, relate to a bone conduction device and helmet.

Background

The bicycle is a healthy and natural sport tourism mode, can fully enjoy the beauty of the travel process, can be used for traveling by one bicycle and one backpack, and is simple and environment-friendly. When riding, a rider can wear the helmet, and the riding helmet has the function of protecting the fragile head, so that the helmet is necessary equipment for the rider. However, if a user encounters an incoming call of a mobile phone during riding, the rider needs to stop answering the incoming call or to answer the incoming call while riding, but the riding experience is affected by the above mode, and the safety is low. Some people are used to listen to music or broadcast by wired earphones in sports, including wired earphone systems equipped with mobile phones, and the mode is harmful, inconvenient to use and easy to cause traffic accidents.

In order to solve the above problems, a bone conduction headset helmet has been developed, in which a bone conduction headset is disposed in a helmet to form an integrated structure. For example, chinese utility model patent application No. CN201822233367.4 discloses a helmet with bone conduction earphone, is formed by helmet main part and the combination of bone conduction earphone frame, and bone conduction earphone frame comprises main support and the respective one bone conduction earphone module of left and right sides, and the form of main support is established to the camber, with the lower along form fit of helmet main part, and two bone conduction earphone modules are installed in the both ends of main support with adjustable position respectively. Utilize bluetooth to realize the cooperation of earphone and cell-phone, ride passerby and only need take this helmet on riding the in-process, the process of riding is received the phone and need not vacate the hand and answer, also need not to worry that the earphone drops, especially important, the use of osteoacusis earphone, make the ear of riding passerby not blockked up by the earphone, even also can guarantee in time catching the traffic information of outside when answering the phone, great reduction the risk that traffic accident appears when answering the phone, the safety of riding passerby has been guaranteed.

However, the above helmet with bone conduction headset has the following drawbacks: 1. bone conduction earphone module passes through the support mounting in helmet main part, and the structure is relatively more complicated, is unfavorable for production and processing. 2. The bone conduction headset module is applied to the helmet main body with a specific structure, and cannot be applied to a common helmet for a user with the common helmet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bone conduction device, aim at solving the bone conduction earphone module among the prior art and pass through the support mounting in helmet main body, the structure is relatively more complicated, is unfavorable for production and processing and bone conduction earphone module to be applied to specific structure helmet main body, and to the user who possess ordinary helmet, this bone conduction earphone module can't be applicable to the technical problem in the ordinary helmet.

In order to achieve the above object, an embodiment of the present invention provides a bone conduction device, which includes a housing; the shell is internally provided with an installation cavity, one end of the shell is provided with a conduction cavity communicated with the installation cavity, an opening cover of the conduction cavity is provided with an elastic conduction piece, and at least part of the elastic conduction piece protrudes out of the conduction cavity; the bone conduction sounding unit is arranged in the conduction cavity, and a vibration surface of the bone conduction sounding unit is fixedly connected with the elastic conduction piece; the bone conduction sounding unit is characterized in that a control circuit board and a battery are arranged in the mounting cavity, and the battery and the bone conduction sounding unit are electrically connected with the control circuit board.

Optionally, an end surface of the elastic conduction piece, which faces away from the bone conduction sounding unit, is provided with an elastic convex part in a protruding manner.

Optionally, a connection ring extends inwards from the inner wall of the conductive cavity near the opening of the conductive cavity, and the elastic conductive element is fixedly connected to the connection ring.

Optionally, the elastic conduction piece is close to the end face of the bone conduction sound generating unit and is provided with a mounting ring, and the vibration surface of the bone conduction sound generating unit is installed in the annular hole of the mounting ring in an adaptive mode.

Optionally, an outer side wall of the bone conduction sounding unit is fixedly connected with an inner wall of the conduction cavity.

Optionally, the elastic conducting piece is U-shaped, the elastic conducting piece is accommodated in the conducting cavity in a fitting manner, and the bottom of the elastic conducting piece protrudes out of the conducting cavity; the vibration surface of the bone conduction sounding unit is fixedly connected with the bottom of the elastic conduction piece.

Optionally, further comprising a base; the base is provided with a holding tank, one end of the shell extends to form a conduction shell, the conduction cavity is formed in the conduction shell, the shell is connected with the base, and the conduction shell is held in the holding tank.

Optionally, the annular equipartition of inner wall of holding tank has a plurality of "L" type draw-in groove, the annular equipartition of outer wall of conduction shell has a plurality of blocks protrudingly, and external force is rotatory the casing can make a plurality of block protrudingly respectively with a plurality of "L" type draw-in groove joint or break away from the joint.

Optionally, one end of the base, which is far away from the shell, is provided with an arc-shaped end adapted to an outer wall of the helmet.

A helmet is provided with the bone conduction device.

Compared with the prior art, the embodiment of the present invention provides one or more technical solutions in the bone conduction device, which has at least one of the following technical effects:

1. the bone conduction device is applied to a helmet, but is not limited to the helmet. The shell is fixed on the outer wall of the helmet so as to enable the elastic conduction piece to be abutted to the outer wall of the helmet. Because elasticity conduction piece adopts the elasticity material and has good elasticity, and elasticity conduction piece middle part does not have hard material to block, and elasticity conduction piece can realize elastic expansion, makes the inseparable butt outer wall of helmet of elasticity conduction piece, avoids bone conduction device and helmet assembly tension or the unable contact helmet scheduling problem of bone conduction sound producing unit. Meanwhile, the bone conduction sounding unit is close to the helmet, so that the low-frequency response of the bone conduction sounding unit is enhanced

2. The shell of the bone conduction device can be directly fixed on a common helmet through bonding, so that the common helmet also has the functions of answering a call, listening to music and the like, a special bone conduction headset helmet does not need to be purchased, the user cost is saved, and the adaptability is high.

3. Compare in the helmet that has bone conduction earphone of prior art, the bone conduction device simple structure of this application is favorable to production and processing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

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

Fig. 2 is a first exploded view of the bone conduction device of the present invention.

Fig. 3 is a second exploded view of the bone conduction device of the present invention.

Fig. 4 is a cross-sectional view of a bone conduction device according to a first embodiment of the present invention.

Fig. 5 is a cross-sectional view of the bone conduction device of the present invention with a base.

Fig. 6 is a cross-sectional view of the bone conduction device of the present invention with the base and adhesive attached.

Fig. 7 is a cross-sectional view of a bone conduction device according to a second embodiment of the present invention.

Fig. 8 is a cross-sectional view of a bone conduction device according to a third embodiment of the present invention.

Fig. 9 is a schematic structural view of a helmet according to a first embodiment of the present invention.

Fig. 10 is a schematic structural view of a helmet according to a second embodiment of the present invention.

Wherein, in the figures, the various reference numbers:

10. a bone conduction device; 20. a helmet;

100. a housing; 101. a lower housing; 102. an upper housing; 110. a mounting cavity; 120. a conductive cavity; 120a, an opening; 121. a connecting ring; 122. a conductive shell; 123. clamping and protruding; 130. an elastic conductive member; 131. an elastic projection; 132. a mounting ring; 133. a bottom; 140. a plug-in microphone;

200. a bone conduction sound emitting unit; 210. a vibrating surface;

300. a control circuit board;

400. a battery;

500. a base; 510. accommodating grooves; 511. an L-shaped clamping groove; 512. a notch; 520. an arcuate end; 530. and (5) gluing.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, referring to fig. 1-10, a bone conduction device 10 is provided, which includes a housing, a bone conduction sound emitting unit 200, a control circuit board 300, and a battery 400.

An installation cavity 110 is arranged in the casing 100, a conduction cavity 120 communicated with the installation cavity 110 is formed in one end of the casing 100, an elastic conduction piece 130 is covered on an opening 120a of the conduction cavity 120, and at least part of the elastic conduction piece 130 protrudes out of the conduction cavity 120; the bone conduction sounding unit 200 is disposed in the conduction cavity 120 and the vibration surface 210 thereof is fixedly connected to the elastic conduction element 130. Specifically, the bone conduction sound emitting unit 200 may be a bone conduction speaker.

The control circuit board 300 and the battery 400 are arranged in the mounting cavity 110, the battery 400 and the bone conduction sounding unit 200 are electrically connected with the control circuit board 300, and the battery 400 provides power for the control circuit board 300 and the bone conduction sounding unit 200. Specifically, the control circuit board 300 and the battery 400 may be fixed in the mounting cavity 110 by clamping, bonding, or screwing, which is not limited herein.

The bone conduction device 10 is applied to a helmet 20, but is not limited to the helmet 20.

Compared with the prior art, the embodiment of the present invention provides one or more technical solutions in the bone conduction device 10, which have at least one of the following technical effects:

referring to fig. 4, 9 and 10, the shell 100 is fixed to the outer wall of the helmet 20 to abut the elastic conductive member 130 against the outer wall of the helmet 20. The bone conduction sound emitting unit 200 generates sound waves which are conducted to the helmet 20 through the elastic conductor 130, and then conducted from the helmet 20 to the ears of the user. Because elastic conduction piece 130 adopts elastic material and has good elasticity, and elastic conduction piece 130 does not have hard material in the middle part to block, elastic conduction piece 130 can realize elastic expansion, makes elastic conduction piece 130 closely butt helmet 20's outer wall, avoids bone conduction device 10 and helmet 20 assembly tension or bone conduction sound generating unit 200 can not contact helmet 20 scheduling problem. Meanwhile, the bone conduction sound generating unit 200 is close to the helmet 20, enhancing the low frequency response of the bone conduction sound generating unit 200.

Referring to fig. 4, 9 and 10, the shell 100 of the bone conduction device 10 can be directly fixed to the common helmet 20 by bonding, so that the common helmet 20 also has functions of answering a phone call, listening to music, etc., and does not need to purchase a dedicated bone conduction headset helmet 20, thereby saving user cost and having high adaptability. Meanwhile, compared with the helmet 20 with the bone conduction headset in the prior art, the bone conduction device 10 of the present application has a simple structure, and is beneficial to production and processing.

The shell 100 may be fixed to the outer wall of the helmet 20 by a double-sided tape, a removable tape, or a 3M adhesive, which is convenient to install.

In another embodiment of the utility model, referring to fig. 4, elastic conduction piece 130 deviates from the protruding elasticity convex part 131 that is equipped with in the middle part of the terminal surface of bone conduction sound generating unit 200, it is preferred, elasticity convex part 131 is convex arch, elasticity convex part 131 has fine elasticity, on being fixed in the outer wall of helmet 20 with casing 100, elasticity convex part 131 can elastic shrinkage well and closely butt helmet 20's outer wall, connect stably, be favorable to bone conduction sound generating unit 200 to produce the sound wave along elastic conduction piece 130 and helmet 20 conduction to the user's ear, improved bone conduction sound generating unit 200's tone quality.

Further, the material of the elastic conductive element 130 may be silicone, rubber, or latex, and is not limited herein.

Further, referring to fig. 4, the elastic conductive member 130 and the elastic protrusion 131 are provided as an integral structure, and thus, the processing is convenient.

In another embodiment of the present invention, referring to fig. 4, a connection ring 121 extends inwards from a position of the inner wall of the conductive cavity 120 close to the opening 120a, and the elastic conductive member 130 is fixedly connected to the connection ring 121, so that the elastic conductive member 130 is fixedly installed at the opening 120a of the conductive cavity 120.

Preferably, the elastic conductive member 130 is adhered to the connection ring 121 by glue, so that the connection is firm and the assembly is convenient.

Further, referring to fig. 4, the elastic conduction piece 130 is provided with a mounting ring 132 near the end surface of the bone conduction sound generating unit 200, and the vibration surface 210 of the bone conduction sound generating unit 200 is fittingly mounted in the annular hole of the mounting ring 132, so that the bone conduction sound generating unit 200 is positioned and mounted on the elastic conduction piece 130, which is convenient to mount.

Specifically, the bone conduction sound emitting unit 200 may be fixedly mounted on the elastic conductive member 130 by clamping, bonding, or the like, which is not limited herein.

In another embodiment of the utility model, refer to fig. 7, bone conduction sound generating unit 200's lateral wall with the inner wall fixed connection in conduction chamber 120 makes bone conduction sound generating unit 200 install firmly in conduction chamber 120, at the in-process of bone conduction sound generating unit 200 vibration sound production, be difficult for rocking, stable in structure.

The bone conduction sound generating unit 200 may be fixedly mounted in the conduction cavity 120 by clamping, bonding, or screwing, which is not limited herein.

In another embodiment of the present invention, referring to fig. 8, the elastic conductive member 130 is shaped like a "U", the elastic conductive member 130 is accommodated in the conductive cavity 120 in a fitting manner, and the bottom 133 of the elastic conductive member 130 protrudes out of the conductive cavity 120, so as to firmly mount the elastic conductive member 130 in the conductive cavity 120. The bone conduction sound generating unit 200 is located in the U-shaped groove of the elastic conduction member 130, and the vibration surface 210 of the bone conduction sound generating unit 200 is fixedly connected with the bottom 133 of the elastic conduction member 130. Wherein. The elastic protrusion 131 is provided on the bottom 133.

Further, the outer side wall of the elastic conduction member 130 is fixedly connected with the inner wall of the conduction cavity 120 through glue bonding, and the connection is firm.

In another embodiment of the present invention, referring to fig. 2, 3, 5 and 6, the bone conduction device 10 further comprises a base 500. The base 500 has a receiving groove 510, a conductive shell 122 extends from one end of the casing 100, the conductive cavity 120 is disposed on the conductive shell 122, the casing 100 is connected to the base 500, and the conductive shell 122 is received in the receiving groove 510. Specifically, the user fixes the base 500 to the outer wall of the helmet 20 to fix the shell 100 to the outer wall of the helmet 20, and abuts the elastic conductive member 130 against the outer wall of the helmet 20, so that the bone conduction device 10 can be firmly mounted to the outer wall of the helmet 20 through the base 500.

Further, referring to fig. 2, fig. 3, fig. 5 and fig. 6, a plurality of "L" type slots 511 are evenly distributed on the inner wall of the accommodating groove 510 in an annular manner, a plurality of protrusions 123 are evenly distributed on the outer wall of the conductive shell 122 in an annular manner, and the housing 100 is rotated by external force (a user's hand), so that the plurality of protrusions 123 are respectively engaged with or disengaged from the plurality of "L" type slots 511. Specifically, when the housing 102 is mounted, the locking protrusions 123 are inserted into the L-shaped slots 511 from the notches 512 of the L-shaped slots 511, and then the housing 100 is rotated to lock the locking protrusions 123 into the L-shaped slots 511, so that the housing 100 is fixed to the base 500, and when the housing 100 is dismounted, the housing 100 is rotated reversely and positively to disengage the locking protrusions 123 from the L-shaped slots 511 and move out from the notches 512 of the L-shaped slots 511, so that the housing 100 is dismounted. Accordingly, the housing 100 may be removed for testing, maintenance or repair of the bone conduction apparatus 10.

Further, referring to fig. 6, 9 and 10, an end of the base 500 away from the shell 100 is provided with an arc-shaped end 520 adapted to an outer wall of the helmet 20, so that the base 500 can be tightly attached to the outer wall of the helmet 20 through the arc-shaped end 520. Further, the arc-shaped end 520 is fixed on the outer wall of the helmet 20 by glue 530, so that the installation is convenient. The adhesive 530 may be a double-sided adhesive, a removable adhesive, or a 3M adhesive, which is not limited herein.

Further, referring to fig. 3, the housing 100 includes a lower housing 101 and an upper housing 102 adapted to cover the lower housing 101. The upper housing 102 and the lower housing 101 form the mounting cavity 110 therebetween, and the conductive shell 122 is disposed on the lower housing 101. The housing 100 is provided as a combined structure of the lower housing 101 and the upper housing 102, and when assembled, the control circuit board 300 and the battery 400 are conveniently mounted in the mounting cavity 110.

The upper housing 102 and the lower housing 101 are fixedly connected by clamping, bonding, or screwing, and the like, which is not limited herein.

Further, referring to fig. 1 and 2, the housing 100 is further provided with a plug-in microphone 140, the plug-in microphone 140 is electrically connected to the control circuit board 300, and the plug-in microphone 140 is close to the mouth of the user, so that the speaking voice of the user can be clearly conducted to the plug-in microphone 140, which is beneficial to voice communication. The pluggable microphone 140 is a mature prior art, and is not described herein again.

In another embodiment of the present invention, referring to fig. 1, 9 and 10, there is also provided a helmet 20 having the bone conduction device 10 described above. Accordingly, the helmet 20 has the technical effects of the bone conduction apparatus 10.

The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model discloses to the ordinary technical person of technical field's the prerequisite that does not deviate from the utility model discloses under the prerequisite of design, its frame form can be nimble changeable, can derive a series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.

Claims (10)

1. A bone conduction device, comprising a housing (100); an installation cavity (110) is arranged in the shell (100), a conduction cavity (120) communicated with the installation cavity (110) is formed in one end of the shell (100), an elastic conduction piece (130) is covered on an opening (120 a) of the conduction cavity (120), and at least part of the elastic conduction piece (130) protrudes out of the conduction cavity (120); a bone conduction sounding unit (200) is arranged in the conduction cavity (120) and a vibration surface (210) of the bone conduction sounding unit is fixedly connected with the elastic conduction piece (130); a control circuit board (300) and a battery (400) are arranged in the mounting cavity (110), and the battery (400) and the bone conduction sounding unit (200) are electrically connected with the control circuit board (300).

2. The bone conduction device of claim 1, wherein: an elastic convex part (131) is convexly arranged on the end surface of the elastic conduction piece (130) departing from the bone conduction sounding unit (200).

3. The bone conduction device of claim 1, wherein: the inner wall of the conductive cavity (120) is provided with a connecting ring (121) extending inwards near the opening (120 a), and the elastic conductive piece (130) is fixedly connected with the connecting ring (121).

4. The bone conduction device of claim 1, wherein: elastic conduction spare (130) are close to the terminal surface of bone conduction sound generating unit (200) is equipped with collar (132), vibration face (210) adaptation of bone conduction sound generating unit (200) install in the annular hole of collar (132).

5. The bone conduction device of any one of claims 1-4, wherein: the outer side wall of the bone conduction sounding unit (200) is fixedly connected with the inner wall of the conduction cavity (120).

6. The bone conduction device of any one of claims 1-4, wherein: the elastic conducting piece (130) is U-shaped, the elastic conducting piece (130) is accommodated in the conducting cavity (120) in a matching mode, and the bottom (133) of the elastic conducting piece (130) protrudes out of the conducting cavity (120); the vibration surface (210) of the bone conduction sounding unit (200) is fixedly connected with the bottom (133) of the elastic conduction piece (130).

7. The bone conduction device of any one of claims 1-4, wherein: further comprises a base (500); an accommodating groove (510) has been seted up to base (500), the one end of casing (100) extends and has a conduction shell (122), conduction cavity (120) are located conduction shell (122), casing (100) with base (500) are connected, conduction shell (122) hold in accommodating groove (510).

8. The bone conduction device of claim 7, wherein: the annular equipartition of inner wall of holding tank (510) has a plurality of "L" type draw-in groove (511), the annular equipartition of outer wall of conduction shell (122) has a plurality of protruding (123) of card, and external force is rotatory casing (100), can make a plurality of protruding (123) of card respectively with a plurality of "L" type draw-in groove (511) joint or break away from the joint.

9. The bone conduction device of claim 7, wherein: one end of the base (500) far away from the shell (100) is provided with an arc-shaped end (520) matched with the outer wall of the helmet (20).

10. A helmet, characterized by a bone conduction device (10) according to any one of claims 1 to 9.

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