CN219417923U

CN219417923U - Earpiece and bluetooth glasses

Info

Publication number: CN219417923U
Application number: CN202122559960.XU
Authority: CN
Inventors: 郑岳宾
Original assignee: Shenzhen Changda Communication Technology Co ltd
Current assignee: Shenzhen Changda Communication Technology Co ltd; Shenzhen Yijing Intelligent Technology Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2023-07-25
Anticipated expiration: 2031-10-22

Abstract

The utility model provides glasses legs and Bluetooth glasses, wherein the glasses legs comprise a main shell and a loudspeaker assembly arranged in the main shell, the main shell comprises a containing cavity and a pressure release cavity, and the outer wall of the main shell is provided with a directional sound guide hole and a pressure release hole; the loudspeaker assembly is arranged in the accommodating cavity, the accommodating cavity is divided into an inner sound cavity and an outer sound cavity, the inner sound cavity is positioned at the sound producing end of the loudspeaker assembly, the outer sound cavity is positioned at the back of the sound producing end of the loudspeaker assembly, and the outer sound cavity is communicated with the pressure release cavity; the pressure release cavity is communicated with the outside through the pressure release hole; the inner sound cavity is communicated with the outside through the directional sound guide hole, and the directional sound guide hole faces towards the auricle when the earpiece is worn on a human body. According to the utility model, the pressure relief cavity and the pressure relief opening are used for relieving the pressure of the external sound cavity, so that the quality of sound transmitted to auricles, particularly the quality of bass, can be greatly improved.

Description

Earpiece and bluetooth glasses

Technical Field

The embodiment of the utility model relates to the technical field of earphones, in particular to glasses legs and Bluetooth glasses.

Background

The glasses legs are positioned at the rear half part of the glasses frame, and form the glasses frame together with the glasses frame and the hinge, which mainly plays a role of fixing the glasses frame, thereby achieving the wearing function of the glasses frame. In order to solve the problem of single function of the earpiece, the practicality of the earpiece is improved, and the spectacle frame with the earphone component is additionally arranged on the earpiece in the market, so that the spectacle frame has the earphone function.

At present, two earpiece of bluetooth glasses on the market are equipped with directional sound guide hole respectively, and this directional sound guide hole wears the human back towards the external auditory canal at bluetooth glasses to the sound production realizes the earphone function. However, the sound effect of the existing bluetooth glasses, particularly the sound effect of the bass portion, is relatively poor.

Disclosure of Invention

The embodiment of the utility model provides glasses legs and Bluetooth glasses aiming at the problem that the sounding effect of the existing glasses legs with the earphone function is poor.

The technical scheme of the embodiment of the utility model for solving the technical problems is that the glasses leg comprises a main shell and a loudspeaker assembly arranged in the main shell, wherein the main shell comprises a containing cavity and a pressure release cavity which are separated from each other, and the outer wall of the main shell is provided with a directional sound guide hole and a pressure release hole;

the loudspeaker assembly is arranged in the accommodating cavity, the accommodating cavity is divided into an inner sound cavity and an outer sound cavity, the inner sound cavity is positioned at the sound producing end of the loudspeaker assembly, the outer sound cavity is positioned at the back of the sound producing end of the loudspeaker assembly, and the outer sound cavity is communicated with the pressure release cavity; the pressure release cavity is communicated with the outside through the pressure release hole; the inner sound cavity is communicated with the outside through the directional sound guide hole, and the directional sound guide hole faces towards the auricle when the earpiece is worn on a human body.

As a further improvement of the present utility model, the horn assembly includes a horn and a mount, and the mount has a modulus of elasticity smaller than that of the main housing;

the loudspeaker is hung and installed in the accommodating cavity through the installation piece, and the accommodating cavity is divided into an inner sound cavity and an outer sound cavity which are relatively closed by the installation piece and the loudspeaker.

As a further improvement of the utility model, the central axis of the horn is perpendicular to the inner end surface of the mounting member, and the inner end surface of the mounting member is inclined toward the plane in which the directional sound guide hole is located.

As a further improvement of the present utility model, the center of the mount has a center through hole matching the shape and size of the horn, and an inner wall of the center through hole has a protruding mounting step; the outer edge of the loudspeaker is adhered to the mounting step, and the sound producing surface of the loudspeaker is exposed to the inner sound cavity from the through hole.

As a further improvement of the utility model, the volume of the accommodating cavity is larger than the volume of the pressure release cavity, and the volume of the inner sound cavity is larger than the volume of the outer sound cavity;

the directional sound guide hole is provided with a first filter screen, and the pressure release hole is provided with a second filter screen.

As a further improvement of the utility model, the main shell comprises a control cavity provided with a control board or an energy storage battery, and the control cavity, the accommodating cavity and the pressure release cavity are sequentially and adjacently arranged along the length direction of the main shell.

As a further improvement of the present utility model, the main housing includes an inner sidewall, an outer sidewall, an upper edge wall, and a lower edge wall, and the inner sidewall, the outer sidewall, the upper edge wall, and the lower edge wall enclose a relatively sealed cavity; the directional sound guide hole is positioned on the lower edge wall, and the pressure relief hole is positioned on the upper edge wall;

the main shell further comprises a partition plate positioned between the inner side wall and the outer side wall, and the accommodating cavity and the pressure relief cavity are formed by enclosing the inner side wall, the outer side wall, the upper edge wall, the lower edge wall and the partition plate respectively.

As a further improvement of the utility model, the partition plate comprises a first partition plate positioned between the control cavity and the accommodating cavity and a second partition plate positioned between the accommodating cavity and the pressure release cavity, the second partition plate is provided with a communication hole, and the external sound cavity and the pressure release cavity are communicated through the communication hole.

As a further improvement of the utility model, the bottom of the main shell protrudes downwards at the position of the containing cavity, an inclined wall is formed at the pressure release cavity in an inclined mode, and the directional sound guide hole is positioned on the inclined wall.

The embodiment of the utility model also provides Bluetooth glasses, which comprise a glasses frame and two glasses legs, wherein the two glasses legs are respectively connected with the glasses frame.

The utility model has the following beneficial effects: the accommodating cavity provided with the loudspeaker assembly is divided into the inner sound cavity and the outer sound cavity, sound of the sound cavity is transmitted to the auricle through the directional sound guide Kong Jiangna, and the pressure is released for the outer sound cavity through the pressure release cavity and the pressure release opening, so that the quality of sound transmitted to the auricle, particularly the quality of bass can be greatly improved.

Drawings

Fig. 1 is an exploded view of an earpiece according to an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1 at A;

fig. 3 is a schematic structural diagram of a combination state of earpiece according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of the A-A plane of FIG. 3;

fig. 5 is an exploded view of a speaker assembly in an earpiece according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of bluetooth glasses according to an embodiment of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Fig. 1 to 4 are schematic diagrams showing an exploded structure of an earpiece according to an embodiment of the present utility model, where the earpiece may be applied to glasses and simultaneously implement a wearing function and an earphone function of the glasses. The earpiece of the present embodiment includes a main housing 11 and a speaker assembly 19, and the speaker assembly 19 is installed in the main housing 11. The main housing 11 includes a receiving chamber 13 and a pressure release chamber 14, and the outer wall of the main housing 11 has a directional sound guide hole 1141 and a pressure release hole 1131.

The speaker assembly 19 is disposed in the accommodating cavity 19, and divides the accommodating cavity 19 into an inner sound cavity 191 and an outer sound cavity 192, wherein the inner sound cavity 191 is located at a sound emitting end (usually an end of a diaphragm or a cone) of the speaker assembly 19, the outer sound cavity 192 is located at a back surface (i.e. an end opposite to the sound emitting end) of the sound emitting end of the speaker assembly 19, and the outer sound cavity 192 is communicated with the pressure release cavity 14. Pressure relief cavity 14 communicates with the outside via pressure relief hole 1131; the inner sound cavity 131 communicates with the outside through the directional sound guide holes 1141, and the directional sound guide holes 1141 face the auricles when the earpiece is worn on the human body. Specifically, the inner sound cavity 131 may be directly communicated with the directional sound guiding hole 1141, or an intermediate transmission channel, such as a conduit, may be added to transmit the sound in the inner sound cavity 131 to the directional sound guiding hole 1141 through the intermediate transmission channel.

When the earpiece is worn on a human body, a part of the main housing 11 (i.e., the part where the directional sound guiding hole 1141 is located) faces the auricle of the wearer, and the side where the internal sound cavity 131 of the main housing 11 is located is attached to the face of the wearer, and since the directional sound guiding hole 1141 is communicated with the internal sound cavity 131, the sound emitted from the speaker assembly 19 is transmitted through the directional sound guiding hole 1141 and onto the auricle, and the sound is transmitted into the auditory canal after being reflected by the auricle. Because this earpiece wears through the suspension mode, need not to insert the ear canal or extrude the auricle and realize wearing, moreover, compare with other earphone setting up the play sound hole of a plurality of crowds, this earphone is concentrated the sound that loudspeaker sent and is derived from directional sound hole 1141, has reduced the diffusion and the loss of sound, has improved sound quality, still can prevent simultaneously that the sound from putting outward, improves the privacy.

Meanwhile, since the back of the speaker assembly 19 is provided with the external sound cavity 132 and the pressure release cavity 14 communicated with the external sound cavity 132, the air flow generated by the vibration of the speaker assembly 19 can vibrate in the pressure release cavity 14 and balance the pressure difference between the inside and the outside through the pressure release hole 1131, thereby greatly improving the sound effect transmitted by the internal sound cavity 131 and the directional sound guide hole 1141, especially the effect of the bass part. In addition, the auditory meatus can not be directly plugged, so that the wearer can receive other sounds from the outside when using the eyes with the eyes and feet, and the alertness of the wearer is improved, and the safety is improved especially when walking and riding on the road.

In order to achieve both wearing comfort and sound playing effect, in one embodiment of the present utility model, the bottom of the main housing 11 protrudes downward at the location of the accommodating cavity 13, and is inclined upward at the pressure release cavity 14 to form an inclined wall, and the directional sound guiding hole 1141 is located on the inclined wall. I.e. when the earpiece is worn on the person, the lower part of the main housing 11 is located just at the front end of the auricle, and correspondingly, the directional guide hole 1141 is also located at the front end of the auricle, and the pressure release chamber 14 is located above the auricle along the auricle.

The volume of the accommodating cavity 13 is larger than that of the pressure release cavity 14, and the volume of the inner sound cavity 131 is larger than that of the outer sound cavity 132, so that the sounding effect is improved while the earpiece shape is adapted.

In one embodiment of the present utility model, the main housing 11 includes an inner side wall 111, an outer side wall 112, an upper edge wall 113, and a lower edge wall 114, and the inner side wall 111, the outer side wall 112, the upper edge wall 113, and the lower edge wall 114 enclose a relatively sealed cavity; directional sound guiding hole 1141 is located on lower edge wall 114, and pressure relief hole 1131 is located on upper edge wall 113. The inner side wall 111, the outer side wall 112, the upper edge wall 113 and the lower edge wall 114 are only used to distinguish the relative positions of the glasses feet after being worn on the human body, and are not structures of the main casing, for example, the inner side wall 111 is a part of the main casing 11 which faces towards the face after being worn on the human body, the outer side wall 112 is a part of the main casing 11 which faces away from the face after being worn on the human body, the upper edge wall 113 is a part of the main casing 11 which faces upwards after being worn on the human body, and the lower edge wall 114 is a part of the main casing 11 which faces downwards after being worn on the human body.

In particular, for ease of processing and assembly, the outer side wall 112, the upper edge wall 113 and the lower edge wall 114 may be integral, while the inner side wall 111 may be a separate member, i.e., the outer side wall 112, the upper edge wall 113 and the lower edge wall 114 constitute a channel-like member, while the inner side wall 111 is fitted at the opening of the channel-like member. For example, a plurality of assembling jacks may be disposed on the inner side of the outer side wall 112, a plurality of assembling posts adapted to the assembling jacks are disposed on the surface of the inner side wall 111 facing the outer side wall 112, and the inner side wall 111 is tightly fixed with the rest of the main housing 11 by inserting the assembling posts into the assembling jacks. This simple structure is practical, can be high-efficient assemble main casing 11 with loudspeaker subassembly 19 in, and is favorable to the processing of main casing 11 to make, avoids the complex increase processing degree of difficulty of structure, avoids manufacturing cost's increase.

In addition, the inner side wall 111, the outer side wall 112, the upper edge wall 113 and the lower edge wall 114 may have a shape adapted to the face, so as to improve the wearing comfort.

In particular, the directional sound guiding hole 1141 and the pressure relief hole 1131 may be elongated openings, such as a waist-shaped hole, and the elongated openings may be disposed along the length direction of the outer housing 11, so as to fully utilize the characteristics of the longer length and the smaller thickness of the main housing 11 and provide a sufficient opening space. In addition, the directional sound guiding hole 1141 may be provided with a first filter 15, and the pressure relief hole 1131 may be provided with a second filter 16. The first filter screen 15 and the second filter screen 16 may be made of waterproof and sound-permeable materials, for example, waterproof and sound-permeable patches or waterproof and sound-permeable films, so that waterproof and dust-proof abilities of the earpiece are greatly improved.

In one embodiment of the present utility model, the main housing 11 is formed with a control chamber 12 for installing a control board (and/or an energy storage battery) in addition to the accommodating chamber 13 and the pressure release chamber 14, and the control chamber 12, the accommodating chamber 13 and the pressure release chamber 14 are sequentially adjacent to each other along the length direction of the main housing 11 in the main housing 11. In the control chamber 12, an energy storage battery (which may be located on the other earpiece) is electrically connected to the control board, and the control board is powered by the energy storage battery. The control board may have an audio decoding circuit, etc., and the audio decoding circuit is electrically connected to the speaker assembly 19, and the speaker assembly 19 plays sound according to the output signal of the audio decoding circuit. The control panel can also comprise a microphone for receiving sound signals, so that the earpiece can realize voice function. The control panel may further include a wireless transceiver module, such as a bluetooth module, so as to interact with devices such as a mobile phone, and transmit and receive voice or audio data. In addition, the control board may have a storage unit therein so as to play the audio data in the storage unit.

Specifically, the cavity in the main housing 11 may further include a partition plate between the inner side wall 111 and the outer side wall 112, and the control chamber 12, the accommodating chamber 13, and the pressure release chamber 14 are respectively surrounded by the inner side wall 111, the outer side wall 112, the upper edge wall 113, the lower edge wall 114, and the partition plate.

In particular, the above-mentioned partitions include a first partition 115 and a second partition 116, wherein the first partition 115 is located between the control chamber 12 and the accommodation chamber 13, i.e., the control chamber 12 and the accommodation chamber 13 are partitioned by the first partition 115; a second partition 116 is located between the receiving chamber 13 and the pressure relief chamber 14, i.e. the control chamber 12 and the receiving chamber 13 are separated by the second partition 116. The second partition 116 has a communication hole 1161, and the external sound chamber 132 of the housing chamber 13 and the pressure release chamber 14 communicate with each other through the communication hole 1161.

As shown in connection with fig. 4-5, the earpiece horn assembly 19 described above includes a horn 191 (or speaker) and a mounting member 192, wherein the mounting member 192 has a modulus of elasticity that is less than the modulus of elasticity of the main housing 11, i.e., the mounting member 192 has a hardness that is less than the hardness of the main housing 11 under normal conditions. The speaker 191 is suspended in the accommodating chamber 13 by the mounting member 192 (i.e., the speaker 191 is not in contact with the main housing 11), and the accommodating chamber 13 is partitioned into the relatively closed inner sound chamber 131 and outer sound chamber 132 by the mounting member 192 and the speaker 191. Since the elastic modulus of the mounting member 192 is smaller than that of the main housing 11, the mounting member 192 can absorb the vibration generated when the speaker 191 sounds, thereby reducing or avoiding the conduction of the vibration generated when the speaker 191 sounds to the main housing 11, and improving the wearing comfort while improving the sound effect.

In the speaker assembly 19 described above with reference to fig. 5, the central axis of the speaker 191 is perpendicular to the plane of the inner end surface (i.e., the end surface facing the inner sidewall 111) of the mounting member 192, and the inner end surface of the mounting member 192 is inclined toward the plane of the directional sound guiding hole 1141, i.e., the angle between the inner end surface of the mounting member 192 and the inner sidewall 111 is acute, for example, the angle between the inner end surface of the mounting member 192 and the inner sidewall 111 may be not less than 10 °, so that the sound emitted by the speaker 191 may be more directly transmitted from the directional sound guiding hole 1141, thereby further improving the sound effect.

Specifically, the center of the mount 192 has a center through hole 1921 matching the shape and size of the horn 191, and the inner wall of the center through hole 1921 has a protruding mount step 1922; the horn 191 is adhesively fixed to the mount 192 by being adhered to the mounting step 1922 at the outer edge thereof, and the sound emitting surface of the horn 191 is exposed from the through hole 1921 to the inner sound chamber 131.

In particular, the outer sound chamber 132 may be formed by a space between the inner wall of the central through hole 1921 and the outer surface of the horn 192, and accordingly, a guide groove 1923 is provided on the back surface of the mount 192 (i.e., the end facing away from the sound emitting surface of the horn 191), and the outer sound chamber 132 communicates with the communication hole 1161 on the second partition 116 through the guide groove 1923.

Meanwhile, the outer wall of the mounting piece 192 may be provided with a clamping groove 1924 and/or a clamping hook 1925, and accordingly, a corresponding structure may be provided on the inner wall of the accommodating cavity 13, so that not only the mounting and fixing of the horn assembly 19, but also the mounting and positioning of the horn assembly 19 may be realized.

Referring to fig. 6, the present utility model further provides a pair of bluetooth glasses, wherein the bluetooth glasses include a frame 2 and two temples 1 as described above, and the two temples 1 are respectively connected with the frame 2 through pivots. The control cavity 12 of the main shell 11 of each two glasses legs 1 can be respectively provided with a control board and an energy storage battery, or the control cavity 12 of the main shell 11 of one glasses leg 1 is internally provided with the control board, and the control cavity 12 of the main shell 11 of the other glasses leg 1 is internally provided with the energy storage battery, so that the weight of the two glasses legs can be balanced, and the wearing comfort is improved.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. The pair of glasses legs is characterized by comprising a main shell and a loudspeaker assembly arranged in the main shell, wherein the main shell comprises a containing cavity and a pressure release cavity which are separated from each other, and the outer wall of the main shell is provided with a directional sound guide hole and a pressure release hole;

2. The earpiece of claim 1, wherein the horn assembly includes a horn and a mount, and the mount has a modulus of elasticity that is less than a modulus of elasticity of the main housing;

3. The earpiece of claim 2, wherein the central axis of the horn is perpendicular to the inner end surface of the mount, and the inner end surface of the mount is inclined toward the plane in which the directional sound guide hole is located.

4. The earpiece of claim 2, wherein the mount has a central through hole in the center that matches the shape and size of the horn, and an inner wall of the central through hole has a protruding mounting step; the outer edge of the loudspeaker is adhered to the mounting step, and the sound producing surface of the loudspeaker is exposed to the inner sound cavity from the through hole.

5. The earpiece of claim 1, wherein the volume of the receiving cavity is greater than the volume of the pressure relief cavity, and the volume of the inner sound cavity is greater than the volume of the outer sound cavity;

6. The earpiece of claim 1, wherein the main housing includes a control chamber within which a control board or an energy storage battery is mounted, and the control chamber, the receiving chamber, and the pressure relief chamber are disposed adjacent one another in sequence along a length of the main housing.

7. The earpiece of claim 6, wherein the main housing includes an inner side wall, an outer side wall, an upper edge wall, and a lower edge wall, and the inner side wall, the outer side wall, the upper edge wall, and the lower edge wall enclose a relatively sealed cavity; the directional sound guide hole is positioned on the lower edge wall, and the pressure relief hole is positioned on the upper edge wall;

8. The earpiece of claim 7, wherein the partition includes a first partition between the control chamber and the receiving chamber and a second partition between the receiving chamber and the pressure relief chamber, the second partition having a communication hole therein, and the external sound chamber and the pressure relief chamber being in communication through the communication hole.

9. The earpiece of claim 6, wherein the bottom of the main housing protrudes downwardly at the location of the receiving cavity and is sloped upwardly at the pressure relief cavity to form a sloped wall, and the directional sound guide aperture is located on the sloped wall.

10. A pair of bluetooth glasses, comprising a glasses frame and two glasses legs according to any one of claims 1 to 9, wherein the two glasses legs are respectively connected with the glasses frame.