CN214504028U

CN214504028U - Soundable mirror leg structure and head-mounted display device

Info

Publication number: CN214504028U
Application number: CN202120890089.9U
Authority: CN
Inventors: 殷海军
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-10-26
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a wearable equipment of vocal mirror leg structure and wear-type, vocal mirror leg structure is including the mirror leg shell that has accommodating space and locating sound production monomer in the accommodating space, mirror leg shell is integrated into one piece, mirror leg shell is including the first lateral wall and the second lateral wall of interconnect, first lateral wall seted up with the assembly opening that sound production monomer set up relatively, the free vibrating diaphragm orientation of sound production the second lateral wall sets up, sound production monomer passes through the assembly opening is along being on a parallel with the place plane direction assembly of vibrating diaphragm extremely in the accommodating space. Compare along the vertical direction assembly sound production monomer of vibrating diaphragm, can reduce the size of assembly opening, reduce the influence of speaker equipment to head-mounted display device outward appearance.

Description

Soundable mirror leg structure and head-mounted display device

Technical Field

The utility model relates to an electroacoustic conversion technical field, in particular to soundable mirror leg structure and head-mounted display device.

Background

The head-mounted display device needs to be provided with a loudspeaker to realize the playing of audio. Generally, an assembly opening is formed in a housing of a head-mounted display device, a speaker is assembled into the housing of the head-mounted display device through the assembly opening, and then the assembly opening is sealed, so that the appearance of the head-mounted display device after the speaker is assembled is not beautiful enough.

Therefore, it is desirable to provide a novel soundable lens leg structure and head-mounted display device, which solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a soundable mirror leg structure and head-mounted display device aims at solving the technical problem that influences the outward appearance behind the current head-mounted display device assembly speaker.

In order to achieve the above object, the utility model provides a sound-emitting mirror leg structure, including the mirror leg shell that has accommodating space with locate sound production monomer in the accommodating space, mirror leg shell is integrated into one piece, mirror leg shell is including the first lateral wall and the second lateral wall of interconnect, first lateral wall seted up with the assembly opening that sound production monomer set up relatively, the free vibrating diaphragm orientation of sound production the second lateral wall sets up, sound production monomer passes through the assembly opening along being on a parallel with the place plane direction assembly of vibrating diaphragm extremely in the accommodating space.

Optionally, the first side wall is for facing towards a user's pinna and the second side wall is for facing towards a user's head.

Optionally, but vocal mirror leg structure is still including covering and locating the sealed lid of assembly opening, the free vibrating diaphragm of sound production with form the sound production antechamber between the second lateral wall, sealed covering has seted up the intercommunication the phonation hole in sound production antechamber.

Optionally, the volume of the sound-emitting front cavity gradually increases in a direction parallel to the plane of the diaphragm toward the sound outlet.

Optionally, the mirror leg shell still include with the third lateral wall that the second lateral wall set up relatively, the third lateral wall with first lateral wall is connected, the sound production monomer deviates from the one side of vibrating diaphragm with form the sound production back cavity between the third lateral wall, set up on the first lateral wall with the first hole that leaks of cavity intercommunication behind the sound production.

Optionally, a second leakage hole communicated with the sound-producing rear cavity is formed in the third side wall.

Optionally, the soundable mirror leg structure further comprises a mounting member, and the sound generation unit is located in the mounting room and fixed to the mirror leg housing through the mounting member.

Optionally, an airflow channel communicated with the sound-producing rear cavity is formed in the installation piece of the glasses leg shell, a side rear cavity is formed between the installation piece and the glasses leg shell, and the first leakage hole is communicated with the airflow channel through the side rear cavity.

Optionally, the sounding unit is a cuboid, and a long edge of the sounding unit is parallel to the length direction of the glasses leg shell.

The utility model also provides a head-mounted display device, including stores pylon, display module assembly and as above-mentioned soundable mirror leg structure, the display module assembly includes the first picture frame of installing the first lens to and install in one side or both sides of first picture frame and be used for transmitting the display content to the optical engine subassembly of first lens; first picture frame with the stores pylon can be dismantled and be connected, two but sound production mirror leg structure respectively with the relative both ends of stores pylon rotate to be connected.

The utility model discloses in, the mirror leg shell is integrated into one piece spare, and the mirror leg shell includes interconnect's first lateral wall and second lateral wall, and the assembly mouth has been seted up to first lateral wall, and during the assembly sound production monomer, pass the assembly mouth along the place plane direction that is on a parallel with sound production monomer vibrating diaphragm, assemble the sound production monomer to the accommodating space of mirror leg shell in, the vibrating diaphragm is towards the second lateral wall. The vibration direction of using the vibrating diaphragm is the free direction of height of sound production to make the size of assembly opening only need with the free high matching of sound production, compare the vertical direction assembly sound production monomer along the vibrating diaphragm, can reduce the size of assembly opening, reduce the influence of speaker assembly to head-mounted display device outward appearance, the sealed assembly opening of being more convenient for moreover improves sealing performance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of a sounding temple structure of the present invention;

fig. 2 is a schematic view of a disassembled structure of an embodiment of the sounding glasses leg structure of the present invention;

FIG. 3 is a schematic view of the vocal temple of FIG. 1 at another angle;

fig. 4 is a schematic cross-sectional view of an embodiment of the sounding temple structure of the present invention;

FIG. 5 is an enlarged schematic view of a portion of the vocal temple structure A of FIG. 4;

FIG. 6 is a schematic cross-sectional view of the vocal temple structure of FIG. 1 taken along line B-B;

fig. 7 is a schematic structural diagram of a split state according to an embodiment of the present invention;

fig. 8 is a schematic partial structural diagram of an embodiment of a head-mounted display device according to the present invention;

fig. 9 is a schematic partial structural diagram of an embodiment of the head-mounted display device of the present invention.

Examples reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Sounding glasses leg structure	1	Glasses leg shell
12	Assembly opening	11	Second side wall
				13	First side wall	14	First leakage hole
15	Third side wall	3	Sealing cover
				151	Second leakage hole	32	Sound outlet
5	Mounting member	51	Mounting groove
				16	Side rear cavity	7	Sound monomer
71	Vibrating diaphragm	72	Sound production back cavity
				73	Long side	74	Sound production front cavity
20	Hanging rack	40	Display module
				41	First mirror frame	43	Light engine assembly
301	First hinged seat	303	Second hinged seat
				305	First baffle plate	307	Second baffle
30	Hinge assembly

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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 all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly 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.

The utility model provides a sound-emitting mirror leg structure.

Referring to fig. 1 to 3, the utility model provides a pair of sound-emitting mirror leg structure 100, including mirror leg shell 1 that has accommodating space and the sound production monomer 7 of locating in the accommodating space, mirror leg shell 1 is integrated into one piece, and mirror leg shell 1 includes interconnect's first lateral wall 13 and second lateral wall 11, and first lateral wall 13 sets up the fitting port 12 with sound production monomer 7 is relative, and sound production monomer 7's vibrating diaphragm 71 sets up towards second lateral wall 11, and sound production monomer 7 assembles to accommodating space in along the place plane direction that is on a parallel with vibrating diaphragm 71 through fitting port 12.

Specifically, the sounding unit 7 includes a vibration system and a magnetic circuit system having a magnetic gap, the vibration system includes a diaphragm 71 and a voice coil (not shown) supporting the diaphragm 71 to vibrate, the voice coil is electrically connected to an external circuit, and when the voice coil is powered on, the voice coil vibrates under the influence of a magnetic field generated by the magnetic circuit system, so as to drive the diaphragm 71 to vibrate and sound. The soundable lens leg structure 100 is used to assemble and make a head mounted display device, which may specifically be an ar (augmented reality) device. The soundable lens leg structure 100 is used to support a head-mounted wearable device on a user's head. The soundable temple structure 100 may further comprise a battery, a communication module, a microphone, a touch module, etc. provided in the temple housing 1.

The vibration direction of using vibrating diaphragm 71 is the direction of height of sound production monomer 7, generally in order to guarantee sound production monomer 7 sound production loudness, and vibrating diaphragm 71 need accomplish enough big, and vibrating diaphragm 71's size has decided the length and the width of sound production monomer 7 for sound production monomer 7 is the cuboid or cylinder of length width far greater than the height. The first side wall 13 and the second side wall 11 of the temple shell 1 are connected with each other, namely the two are not arranged oppositely, the assembly opening 12 is formed in the first side wall 13, the vibrating diaphragm 71 faces the second side wall 11, the length direction of the temple shell 1 is perpendicular to the vibration direction of the vibrating diaphragm 71, so that when the sounding monomer 7 is assembled, the sounding monomer 7 can be assembled into the accommodating space in the direction parallel to the plane of the vibrating diaphragm 71, the size of the assembly opening 12 only needs to be matched with the height of the sounding monomer 7, the size of the assembly opening 12 is reduced, the assembly opening 12 can be arranged to be long, the temple shell 1 of the embodiment is an integrally formed part, the influence on the appearance of the head-mounted display device is reduced after sealing, and the temple shell cannot be very sharp; and the size of the assembling port 12 is reduced, so that the sealing is more convenient, and the sealing performance of the head-mounted display device is improved.

As shown in fig. 2 and 4, the sound generating unit 7 of the present embodiment is a rectangular parallelepiped, the long side 73 of the sound generating unit 7 is parallel to the length direction of the temple housing 1, and the assembling opening 12 can also be set to be a corresponding rectangle, so as to reduce the thickness of the temple housing 1, and facilitate the light and thin design of the head-mounted display device. Of course, in other embodiments, the sounding unit 7 may also be an ellipsoid, and the diaphragm 71 may have a track-shaped structure.

Optionally, the first side wall 13 is adapted to face towards the pinna of the user and the second side wall 11 is adapted to face towards the head of the user, i.e. the first side wall 13 is a bottom side wall of the temple housing 1 and the second side wall 11 is an inner side wall of the temple housing 1. The assembling opening 12 is opened on the bottom side wall 13, and the diaphragm 71 of the sound generating unit 7 is arranged towards the inner side wall 11. In use of the soundable temple structure 100, the soundable temple structure 100 is placed between the user's ear and head such that the interior side wall 11 is in contact with the user's head and the bottom side wall 13 is in contact with the user's pinna. By orienting the diaphragm 71 of the sound generating unit 7 toward the inner side wall 11, the sound generated by the sound generating unit 7 is closer to the user, and the vibration sound generated by the diaphragm 71 can be effectively transmitted to the user. By opening the assembly opening 12 in the bottom side wall 13, the assembly opening 12 can be hidden and the exposed appearance can be consistent when the user wears the soundable lens leg structure 100. Can reduce mirror leg shell 1's thickness simultaneously, satisfy the user to the frivolous outward appearance demand of wear-type display device product integral type.

As shown in fig. 2, 5 and 6, the sound-emitting mirror leg structure 100 further includes a sealing cover 3 covering the assembly opening 12, a gap is formed between the diaphragm 71 of the sound-emitting unit 7 and the second side wall 11, the gap forms a sound-emitting front cavity 74, the sealing cover 3 is provided with a sound outlet 32 communicating with the sound-emitting front cavity 74, and sound generated by vibration of the diaphragm 71 is transmitted from the sound outlet 32 through the sound-emitting front cavity 74. The sealing cover 3 can be attached to the assembly opening 12 through gluing, and can also be connected with the glasses leg shell 1 in a clamping mode through a buckle structure. The earpiece housing 1 is formed as an integral part, so that the soundable earpiece structure 100 is beautiful in appearance, and the earpiece housing 1 and the sealing cover 3 can be made of uniform colors to ensure uniform appearance.

As a preferred embodiment, as shown in fig. 6, the volume of the sound-emitting front cavity 74 gradually increases in a direction parallel to the plane of the diaphragm 71 toward the sound outlet 32, that is, the sound-emitting front cavity 74 is in a bell-mouth design, and the diameter of the sound-emitting front cavity gradually increases toward the sound outlet 32, so that the sound is amplified, and the effect that the small-volume sound-emitting unit 7 reaches or even exceeds the relatively large-volume sound-emitting unit 7 can be achieved. The design of the horn-shaped sound-producing front cavity 74 can be realized by obliquely arranging the sound-producing unit 7 relative to the second diaphragm 71, and as shown in the figure, one end of the sound-producing unit 7, which is far away from the sound outlet 32, is close to the second side wall 11 relative to the end, which is close to the sound outlet 32, so as to form the horn-shaped sound-producing front cavity 74.

The temple shell 1 further comprises a third side wall 15 arranged opposite to the second side wall 11, the third side wall 15 is connected with the first side wall 13, a sound production rear cavity 72 is formed between one side of the sound production single body 7 deviating from the vibrating diaphragm 71 and the third side wall 15, a first leakage hole 14 communicated with the sound production rear cavity 72 is formed in the first side wall 13, air pressure in the sound production single body 7 is too large when the vibrating diaphragm 71 is prevented from vibrating, the air pressure in the sound production single body 7 is consistent with the outside, vibration of the vibrating diaphragm 71 is facilitated, and the acoustic performance of the sound production single body 7 is improved. First leakage hole 14 sets up on first lateral wall 13 with assembly opening 12 interval, all towards user's auricle when wearing, avoids outer the hourglass, has improved the head-mounted display device's of integral type pleasing to the eye.

In order to further ensure that the airflow in the sound generating unit 7 is smooth when the diaphragm 71 vibrates, as shown in fig. 3 and 6, a second leakage hole 151 communicated with the sound generating rear cavity 72 may be further formed in the third side wall 15, so that the acoustic performance of the sound generating unit 7 is further improved. When the head-mounted display apparatus is worn, the second leakage holes 151 face to the outside, and the second leakage holes 151 may be formed as long holes extending in the length direction of the temple housing 1 to be adapted to the shape of the temple housing 1, thereby increasing the aesthetic degree of appearance.

In an embodiment, the soundable lens leg structure 100 further comprises a mounting 5, the sound emitting cells 7 being located within the mounting compartment and being fixed to the temple housing 1 by the mounting 5. The sound emitting cells 7 may be assembled to the mounting member 5 first and then assembled to the inside of the temple housing 1 as a whole. In one embodiment, the mounting member 5 is an elastic member, the mounting member 5 is formed with a mounting groove 51, and the sound generating unit 7 is clamped in the mounting groove 51. The installed part 5 is installed in the temple shell 1 through interference fit, and can set up the mounting groove 51 as the slope setting to make the sound production monomer 7 install the back that targets in place, the preceding chamber 74 of sound production is the shape of horn mouth, increases the sound effect of sound production monomer 7.

Offer the airflow channel (not shown) that communicates with sound production rear chamber 72 on mirror leg shell 1 installed part 5, be formed with side rear chamber 16 between installed part 5 and mirror leg shell 1, first leakage hole 14 is through side rear chamber 16 and airflow channel intercommunication, and side rear chamber 16 is located the outside of sound production monomer 7, and the length direction interval of chamber 72 along mirror leg shell 1 is arranged behind the sound production. When the diaphragm 71 vibrates, the airflow can sequentially flow out through the sound-producing rear cavity 72, the airflow channel, the side rear cavity 16 and the first leakage hole 14, so that the space on the side surface of the sound-producing rear cavity 72 is fully utilized, the effective volume of the sound-producing rear cavity 72 is indirectly increased, the tone quality is improved, and the acoustic performance of the sound-producing single body 7 is improved.

The utility model also provides a head-mounted display device, as shown in fig. 7, including the hanger 20, the display module 40 and two soundable mirror leg structures 100 as described above, the display module 40 includes a first mirror frame 41 installed with a first lens, and a light engine component 43 installed on one side or both sides of the first mirror frame 41 for transmitting the display content to the first lens; the first frame 41 is detachably connected to the hanger 20, and the two soundable mirror leg structures 100 are rotatably connected to two opposite ends of the hanger 20. The specific structure of the soundable mirror leg structure 100 refers to the above embodiments, and since the head-mounted display device adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The display module 40 is detachably connected to the hanger 20. When the user does not need to perform the AR effect display, the display module 40 may be detached, and only the hanger 20 and the temple structure 10 are worn, thereby using the sound module 31d and the microphone. The soundable temple structure 100 is rotatably connected to the hanger 20 via the hinge 30, so that the open/close state between the temple structure 10 and the display module 40 is changed. Referring to fig. 8 and 9, the hanger 20 has a receiving cavity, two ends of the hanger 20 are opened with openings communicating with the receiving cavity, the hinge 30 includes a rotating shaft, a first hinge base 301 connected to the hanger 20, and a second hinge base 303 connected to the temple housing 1, the first hinge base 301 and the second hinge base 303 are rotatably connected through the rotating shaft, and the first hinge base 301 blocks the openings. The first hinge base 301 is provided with a first baffle 305, the first baffle 305 is used for blocking the opening, the hinge 30 further comprises a second baffle 307 connected with the rotating shaft, and the second baffle 307 is used for matching with the first decorative cover 91 to block the first assembling hole 14, so that external dust can not enter the rack 20 and the temple housing 10. Wire accommodating grooves are also preset on the first hinging seat 301 and the second hinging seat 303, and lines for connecting the glasses leg structure 10 and the display module 40 are accommodated in the wire accommodating grooves, so that the connecting lines cannot be exposed in the assembled head-mounted display equipment. Wire containing grooves are laid around the rotating shaft, so that the phenomenon that the connection lines are influenced by opening and closing of the glasses leg structure of the head-mounted display equipment is avoided.

The light engine assembly 43 is a self-luminous active display device, after the light engine assembly 43 emits light, the light beam is finally displayed in the first lens under the actions of refraction, reflection and the like of a series of optical elements, and light beams with different colors and light and shade form a display picture. Because the first lens is made of transparent material, the user can see the display picture generated by the light engine component 43 and the real picture in the real environment through the lens, and the fusion of the display picture and the real picture is realized. In the embodiment shown in fig. 7, the hanger 20 is a columnar structure, the two ends of the hanger 20 are connected to the soundable lens leg structures 100, the display module 40 is detachably connected to the soundable lens leg structures 100, the light engine assembly 43 is disposed on one side or two sides of the first frame 41, and the display module 40 is detachably connected to the hanger 20, so that the relative position relationship between the light engine assembly 43 and the first frame 41 in the display module 40 is not changed along with the deformation of the temple structure and the hanger 20, and the display accuracy of the display module 40 is ensured.

In another embodiment, the hanger 20 further comprises a second frame (not shown) having two ends connected to the soundable lens leg structure 100, the second frame being used for mounting a second lens, wherein the second lens is a myopia lens, a photochromic lens or an electrochromic lens. As will be appreciated by those skilled in the art, the first lens and the second lens are stacked such that the user can view different imaged real-life images through the myopic lens, the photochromic lens, or the electrochromic lens. The second picture frame and the second lens fixed connection can be dismantled and be connected, and when the second picture frame can be dismantled with the second lens and be connected, whether the user can decide to install the second lens on the second picture frame as required to and what kind of second lens of installation is on the second picture frame.

The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.

Claims

1. The utility model provides a soundable mirror leg structure, a serial communication port, soundable mirror leg structure is including mirror leg shell that has accommodating space and locating sound production monomer in the accommodating space, mirror leg shell is integrated into one piece, mirror leg shell is including the first lateral wall and the second lateral wall of interconnect, first lateral wall seted up with the assembly opening that sound production monomer set up relatively, the free vibrating diaphragm orientation of sound production the second lateral wall sets up, sound production monomer passes through the assembly opening along being on a parallel with the place plane direction of vibrating diaphragm assemble extremely in the accommodating space.

2. The soundable mirror leg structure of claim 1, wherein the first side wall is adapted to face towards a pinna of a user and the second side wall is adapted to face towards a head of the user.

3. The soundable temple structure according to claim 2, further comprising a sealing cover covering the assembly opening, wherein a sound-generating front cavity is formed between the diaphragm of the sound-generating unit and the second side wall, and the sealing cover is provided with a sound-generating hole communicating with the sound-generating front cavity.

4. The soundable mirror leg structure according to claim 3, wherein the volume of the sound-emitting front cavity gradually increases in a direction parallel to the plane of the diaphragm toward the sound-emitting holes.

5. The soundable temple structure of claim 2, wherein the temple housing further comprises a third sidewall opposite to the second sidewall, the third sidewall is connected to the first sidewall, a sound-generating back cavity is formed between one surface of the sound-generating unit facing away from the diaphragm and the third sidewall, and the first sidewall is provided with a first leakage hole communicated with the sound-generating back cavity.

6. The soundable mirror leg structure of claim 5, wherein the third side wall is provided with a second leakage hole communicating with the sound-emitting rear cavity.

7. The soundable temple structure of claim 5, further comprising a mount, the sound generating unit being located within the mount and secured to the temple housing by the mount.

8. The soundable temple structure of claim 7, wherein the temple housing mounting member defines an airflow channel in communication with the sound-emitting rear cavity, a side rear cavity is defined between the mounting member and the temple housing, and the first leakage hole is in communication with the airflow channel through the side rear cavity.

9. The soundable mirror leg structure according to any one of claims 1 to 8, wherein the sound-emitting units are rectangular solids, and the long sides of the sound-emitting units are parallel to the length direction of the mirror leg housings.

10. A head-mounted display device comprising a hanger, a display module and two soundable lens leg structures according to any one of claims 1 to 9, wherein the display module comprises a first lens frame mounted with a first lens, and a light engine assembly mounted on one or both sides of the first lens frame for delivering display content to the first lens; first picture frame with the stores pylon can be dismantled and be connected, two but sound production mirror leg structure respectively with the relative both ends of stores pylon rotate to be connected.