CN220776068U - Three-dimensional sound transmission device of VR head display loudspeaker - Google Patents

Abstract

The utility model provides a three-dimensional sound transmission device of a VR head-display loudspeaker, which comprises: through the inner cavity type sound transmission, the sound transmission loss is reduced; the electric quantity of VR head display equipment can be effectively saved without a connecting circuit; the voice of the VR head display loudspeaker is transmitted in a physical closed voice cavity mode, so that the weight can be effectively reduced. Meanwhile, on the premise of ensuring the tone quality effect, related materials are saved, the cost is reduced, and the aim of achieving both environmental protection and economic benefit is fulfilled. Through the special double-transmission-cavity transmission design, the original stereo effect of the VR head display loudspeaker can be effectively reserved; through one axial adjustment formed by the middle rotating shaft part and the bidirectional rotating shaft part, the bidirectional rotating shaft part and the rotating arm part form a second axial adjustment, and the rotating arm part and the sliding rail part form a sliding rail type adjustment, so that flexible adjustment in the three-dimensional space is realized. Various angles can be effectively adjusted, head outlines of different users are matched, free adjustment is better, and requirements of users on continuously upgrading experience of VR technology in terms of sound effect are met, so that the method is very worthy of popularization.

Description

Three-dimensional sound transmission device of VR head display loudspeaker

Technical Field

The utility model relates to the technical field of virtual reality, in particular to a three-dimensional sound transmission device of a VR head-display loudspeaker.

Background

Virtual Reality (VR) technology is also called an environmental technology or an artificial simulation environment technology, and is a Virtual three-dimensional space world generated by a computer through simulation operation, and provides a Virtual environment for users about senses such as vision, hearing, touch and the like, so that the users are as if they are in the scene. Things in the three-dimensional space can be observed timely and without limitation, and interaction with the virtual scene can be performed. When the user wearing the VR device moves in position, the computer immediately performs complex operation, and the change of the virtual three-dimensional world image is accurately fed back to enable the user to be as if the user is on the scene.

With the development of technology, VR technology has come to be widely used in life of people, such as VR glasses and VR head-mounted display devices (VR head displays for short), wherein VR head displays have strong use functions and multiple application scenes, and human engineering designs of VR head display products are excellent, so that the VR head display is comfortable to wear and popular with wide users.

Currently, the main VR head display on the market generally has a built-in speaker, and the sound generated by the speaker is transmitted to the ear of the user through the speaker hole on the VR head display. But VR head shows the speaker at the in-process of transmitting sound to user's ear, because there is certain distance, leads to the sound to the position transmission beyond the ear to cause the sound that transmits to user's ear to reduce, receive the peripheral noise interference simultaneously easily, influence user's listening experience.

The existing sound transmission device in the current market is simple in design and cannot be adjusted and matched with the head outlines of different users; meanwhile, the existing sound transmission device is not a closing mechanism, and sound transmission still has larger attenuation; furthermore, the existing sound transmission device is unreasonable in design, and cannot effectively transmit the stereo effect of the updated VR head display loudspeaker; and the sound transmission device is easy to be interfered by surrounding noise and the like, so that the experience requirement of users on the continuous upgrading of VR technology is difficult to be met.

Disclosure of Invention

The utility model can effectively solve the problems and strengthen the VR head display loudspeaker system, thereby improving the integral effect of the audio-visual integration of the VR head display and strengthening the feeling of the user on the scene.

In order to achieve the above purpose, the present utility model provides a three-dimensional sound transmission device of a VR head speaker. The three-dimensional sound tube type VR head-mounted display device comprises an earmuff main body part, a middle rotating shaft part, a two-way rotating shaft part, a rotating arm part, a sliding rail part, a sound tube part, a VR head display of related parts, a head band assembly and the like, and is formed into a complete set of VR head-mounted display device.

The utility model provides a three-dimensional sound transmission device of a VR head-display loudspeaker, which comprises:

1. the sound of the VR head display loudspeaker is transmitted to the ear of the user through the device by the design of the closing mechanism, so that the loss of sound transmission is reduced, and the volume of the VR head display is reduced under the condition of the same sound effect; because the utility model provides the inner cavity type sound transmission, a connecting circuit is not needed; the two conditions can effectively save the electric quantity of the VR head display device.

2. Compared with the conventional earmuff type earphone in the general market, the utility model has no loudspeaker inside, but transmits the sound of the VR head display loudspeaker in a physical closed sound cavity mode, thus effectively reducing the weight; meanwhile, on the premise of ensuring the tone quality effect, related materials are saved, the cost is reduced, and the aim of achieving both environmental protection and economic benefit is fulfilled.

3. The utility model can effectively keep the original stereo effect of the VR head display loudspeaker through the special double-transmission-cavity transmission design.

4. Compared with the conventional earmuff type earphone in the general market, the three-level adjustment is realized by the three-level adjustment, the two-way rotating shaft component and the rotating arm component form the second axial adjustment through one axial adjustment formed by the middle rotating shaft component and the two-way rotating shaft component, and the rotating arm component and the sliding rail component form the sliding rail type adjustment.

In summary, the technical scheme provided by the utility model is as follows: the requirements for the VR head display electric quantity are reduced, the material cost is reduced, the weight is reduced, the stereo sound of the VR head display loudspeaker is reserved, the better free adjustment is achieved, and the experience requirement of a user on the upgrading of the VR technology in the aspect of sound effect is met.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of an exploded deployment configuration of the present utility model;

FIG. 2 is a schematic illustration of the structure of a removed earmuff according to the utility model;

FIG. 3 is a schematic view of VR head display structure;

FIG. 4 is a schematic view of a partial structure of a VR head showing a swing arm;

FIG. 5 is a schematic diagram of an embodiment of the present utility model and VR head;

FIG. 6 is a schematic diagram of the present utility model and a further embodiment of a VR head;

FIG. 7 is a schematic view of the construction of the body member of the present utility model;

FIG. 8 is a schematic view showing the structure of the inner and outer adjustment state of the swivel arm assembly of the present utility model;

FIG. 9 is a schematic view showing the structure of the swing arm assembly of the present utility model in a forward and backward adjusted state;

FIG. 10 is a schematic view showing the structure of the sound tube member of the present utility model in a vertically sliding adjustment state;

FIG. 11 is a schematic view of the structure of the present utility model in accordance with a later embodiment of the present utility model in conjunction with a VR head mounted headband;

reference numerals in the figures (since the utility model is composed of two devices which are symmetric in the left and right direction, only one device is described for simplicity

Reference numerals	Name of the name
		1	Earmuff body part
101	Ear muff shell
		102	Ear muff inner shell
1021	First sound cavity port
		1022	Second sound cavity port
103	Fixing screw
		2	Middle rotating shaft component
201	Clamping seat
		202	Front gland of rotating shaft
203	Rear gland of rotating shaft
		3	Bidirectional rotating shaft component
301	Bidirectional rotating shaft body
		302	Front clamping rubber ring
303	Rear clamping rubber ring
		4	Rotating arm component
401	Rotary arm front cover
		402	Rotary arm rear cover
403	Rotary arm rubber ring
		5	Sliding rail component
501	Sliding rail groove
		502	Slide rail paster
6	Acoustic drum component
		601	Sound amplifying cavity
602	Sound amplifying cover
		603	Earmuff sponge sleeve
7	VR head display
		701	Head display swing arm
7011	First loudspeaker sound outlet
		7012	Second loudspeaker sound outlet
8	Headband assembly
		801	Head band swing arm

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and accurately described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

The utility model provides a three-dimensional sound transmission device of a VR head display loudspeaker, which seals the vision and hearing of a person to the outside by utilizing a VR head display and guides the user to generate a feeling of a body in a virtual environment. The three-dimensional sound transmission device of VR head display speaker can reasonably butt joint the two loudspeaking holes in the left and right sides of VR head display, and the sound of two sound chamber transmission keeps the original three-dimensional effect of speaker, reduces speaker transmission volume decay, improves tone quality and volume that the user was received and heard, and then promotes user's experience of listening.

For convenience of description, the three-dimensional sound transmission device of the VR head-display speaker is worn on the head of a user and is positioned on two sides of the left ear and the right ear of the user, and the structure and the appearance are symmetrical and are not separately and specifically described.

Referring to fig. 1 and 8, the structural schematic diagram of a three-dimensional sound transmission device for a VR head speaker provided by the embodiment of the present utility model is shown, and referring to fig. 9, the three-dimensional sound transmission device for a VR head speaker provided by the embodiment of the present utility model includes an earmuff main body part 1, a middle rotating shaft part 2, a bidirectional rotating shaft part 3, a rotating arm part 4, a sliding rail part 5 and a sound tube part 6, and is characterized in that: the earmuff body part 1 for virtual reality equipment connection is connected with the middle part rotating shaft part 2, the middle part rotating shaft part 2 is connected with the two-way rotating shaft part 3, the two-way rotating shaft part 3 is connected with the rotating arm part 4, the rotating arm part 4 is connected with the sound tube part 6 through the sliding rail part 5 to form a communicated inner cavity structure, and the communicated inner cavity structure is set as a sound transmission cavity.

Referring to fig. 1-5, as well as fig. 8, there are two first speaker sound outlet 7011 and second speaker sound outlet 7012 on the two side swing arms on the vr head display 7, and the first speaker sound outlet 7011 and the first sound cavity 1021 are connected to the upper part in the earmuff main body part 1 to form a first transmission sound cavity. The second speaker sound outlet 7012 and the second sound cavity port 1022 are connected to the lower part of the earmuff main body part 1 to form a second transmission sound cavity, the first transmission sound cavity and the second transmission sound cavity are polymerized in the middle rotating shaft part 2, the bidirectional rotating shaft part 3, the rotating arm part 4 and the sliding rail part 5 form a closed sound cavity capable of being adjusted in a moving way, and finally the closed sound cavity is transmitted to the sound tube part 6, and as the sound tube part 6 is an amplified sound cavity design, resonance amplified sound volume can be formed. The stereo effect and volume of the first sound transmission cavity and the second sound transmission cavity are restored. The earmuff sponge cover 603 is made of the following specific materials: leather, sponge, silica gel or nylon and other soft materials, the soft materials are more comfortable to attach to the ears of a user, the external sound is conveniently absorbed, secondary reflection is not formed, and therefore echo is not formed.

The main components of the earmuff body member 1, the middle shaft member 2, the bidirectional shaft member 3, the boom member 4, the slide rail member 5, the sound tube member 6, and the like may be plastic, metal, silica gel, or a plastic composite material, but are not limited to specific materials.

Further, please refer to fig. 1-5, it can be reasonably explained that the three-dimensional sound transmission device of the VR head-display speaker is reasonable, the first transmission sound cavity and the second transmission sound cavity are formed, and the two sound cavities converge the sound tube component 6, the sound tube component 6 amplifies the resonance reduction sound, and then the earmuff sponge 603 transmits the sound to the ear of the user.

The method comprises the following steps: the earmuff outer shell 101 and the earmuff inner shell 102 are fixed together through the fixing screws 103 and the necessary mechanism buckling position design to form an earmuff main body part 1, and a first sound cavity port 1021 and a second sound cavity port 1022 are formed in the earmuff main body part 1; the front rotating shaft gland 202 and the rear rotating shaft gland 203 are fixed through a screw and mechanism buckling combination and then connected to the clamping seat 201 to form a middle rotating shaft component 2; the earmuff body part 1 and the middle rotating shaft part 2 are connected together through screws and mechanism buckling positions, wherein the first transmission sound cavity and the second transmission sound cavity are aggregated, and a continuous inner cavity is formed.

The bidirectional rotating shaft component 3 is composed of a bidirectional rotating shaft body 301, a front clamping rubber ring 302 and a rear clamping rubber ring 303; the front clamping rubber ring 302 is attached to the front rotating shaft gland 202, the rear clamping rubber ring 303 is attached to the rear rotating shaft gland 203, and the sealing performance of the middle rotating shaft part 2 and the rotating shaft of the two-way rotating shaft part 3 in the rotating shaft motion is better ensured because the rubber ring is soft materials because the rubber ring end of the two-way rotating shaft part 3 is sleeved by the sleeve-type ring buckle design of the part rotating shaft part 2. The central shaft part 2 and the bi-directional shaft part 3 form a continuation lumen.

The two-way rotating shaft body 301 tail is clamped by the rotating arm front cover 401 and the rotating arm rear cover 402, the rotating arm rubber ring 403 is fixed together, wherein the rotating arm rubber ring 403 has the abrasion-resistant and sound-insulating effects, and the two-way rotating shaft body 301 tail and the rotating arm front cover 401 are attached to be in plane attachment and also rotate in the same plane, so that the sound cavity tightness can be guaranteed due to the design, and the rotating arm part 4 and the two-way rotating shaft part 3 form a continuous inner cavity.

The sliding rail part 5 is clamped in the rotating arm part 4, sleeved and screwed with the sound amplifying cavity 601 through the sliding rail groove 501, and the fastening position of the sound amplifying cover 602 mechanism is fixed on the sound amplifying cavity 601 to form a sound communicating cavity.

Because slide rail part 5 and rocking arm part 4 sliding adjustment, so increase slide rail paster 502 laminating to slide rail groove 501, slide rail paster 502 is soft material, strengthens the closure effect in sound chamber, reduces the sound attenuation. The boom member 4, the slide member 5 and the sound tube member 6 combine to form a continuous cavity which is finally transferred to the user's ear through the earmuff sponge 603. The slope of the speaker cover 602 is designed to match the facial features of the person, thus better fitting the earmuff sponge cover 603 to the ear.

The first transmission sound cavity and the second transmission sound cavity are connected with each other and continued from forming to converging through the sound transmission cavities of the parts, and the stereo effect of the built-in loudspeaker of the VR head display 7 is well reserved through the effective amplification treatment of the sound tube part 6. In the first case, the utility model performs resonance transmission by physically sealing the inner cavity, so that an additional connection power supply is not needed; in the second case, the sound cavity is sealed, the volume is obviously amplified when the sound cavity is transmitted to the ears of the user relative to the built-in loudspeaker of the VR head display device, and the volume can be properly reduced by the VR head display device for user experience comfort; the two conditions can effectively save electric quantity for the VR head display device. The utility model does not need to embed electronic components such as a loudspeaker, an audio signal processor and the like, and compared with the conventional earmuff type earphone in the market, the utility model effectively reduces the weight and the material cost, and is more economic and environment-friendly.

It should be noted that, the screw fixing, the fastening position fixing, the rubber ring and the soft patch are all general materials, so as to better enhance the sealing effect of the sound cavity, and the utility model is not limited by increase or decrease, simple shape change and material change, and is not technically innovated.

Further, referring to fig. 1-5, and referring to fig. 11, in an embodiment, after the swing arms 701 of the two side parts of the VR head display 7 are adjusted upwards, the ear muff body part 1 includes an ear muff outer shell 101 and an inner shell 102 to form a "C" sleeve, and the tail part of the ear muff body part 1 and the tail part of the head display swing arm 701 are smoothly slid and pushed forward from the rear along the swing arm assembly formed by combining the head display swing arm 701 and the head band swing arm 801. Thus, the device is smoothly installed on the VR head display 7, and a user can conveniently install the device.

The earmuff main body part 1 is of a C-shaped sleeve structure, is combined and fixed with the head display swing arm 701 and the head band swing arm 801, and after being installed, the earmuff main body part 1 also ensures that two speaker ports on the head display swing arm 701 are in butt joint with a first speaker sound outlet 7011 and a second speaker sound outlet 7012 and a first sound cavity port 1021 and a second sound cavity port 1022 on the earmuff main body part 1, so that stability of transmitted sound is also ensured.

Similarly, after the head display swing arms 701 on both sides of the VR head display 7 are adjusted upwards, the C-shaped sleeve and the ear cover main body part 1 of the present utility model slide downwards and outwards simultaneously along the head display swing arms 701, so that the device of the present utility model can be removed smoothly. When the device is stored, the device is very convenient and quick, and accords with the concept of portability of the head-mounted equipment.

Examples: referring to fig. 8, in an embodiment, the middle shaft member 2 and the bi-directional shaft member 3 form a rotating structure, and rotate perpendicular to the plane of the holder 201.

Further, referring to fig. 1 and 9, the front end of the bidirectional rotating shaft body 301 is provided with a gear mechanism and the middle rotating shaft component 2 to form a gear position adjustment, which is beneficial to enhancing the rotation stability of a user, the combination of the front clamping rubber ring 302 and the rear clamping rubber ring 303 forms a good damping force effect with the middle rotating shaft component 2, and the combination of the rubber ring and the gear mechanism is provided with a gear mechanism to enhance the hand feeling of the user and the stability of the adjustment process.

In summary, the user generally operates the rotating arm part 4 to adjust, so as to form an internal and external adjusting state of the rotating arm part 4, so that the distance between the earmuff sponge sleeve 603 and the ear of the user can be conveniently adjusted, the design and adjustment range is large, and the ear avoiding when the user wears the earmuff sponge sleeve is facilitated.

The gear mechanism adjusting and clamping rubber ring damping force effect is to enhance the adjusting effect, does not limit the increase and decrease, the simple shape change and the material change, and has no technical innovation, and is within the scope of the utility model.

Examples: referring to fig. 1 and 9, in one embodiment, the bidirectional rotary shaft part 3 and the rotary arm part 4 form a rotary structure state, and form a plane rotation of the parallel rotary arm front cover 401. The design is convenient to adjust the front-back distance between the earmuff 603 and the ears of the user, the design adjustment range is large, the ears are avoided when the user wears the device, meanwhile, the packaging volume of the device serving as a product is reduced, related materials are saved, and the device has an environment-friendly effect.

Examples: referring to fig. 1 and 10, in an embodiment, the boom member 4 and the slide rail member 5 form a parallel sliding structure, so as to form a parallel sliding adjustment along a plane track of the boom front cover 401, and the slide rail patch 502 is made of a soft adhesive patch material and is adhered to the slide rail groove 501, so that friction resistance between the slide rail member 5 and the boom member 4 can be effectively reduced, and leakage of sound can be effectively reduced.

The sliding adjustment design is convenient for adjusting the comfortable adjustment distance between the earmuff sponge sleeve 603 and the ear details of the user, and the sliding adjustment is also complementary to the rotation adjustment of the two different dimensions because the users with different age structures of the crowd have different facial contours.

To sum up three kinds of key combination regulation, can mutually support, the nimble adjustment of each other lets the user can be according to the facial profile characteristics of oneself, the free adjustment the utility model discloses a device lets earmuff sponge cover 603 can laminate the user ear, reaches the comfortable audio that experiences VR head and shows of user, can avoid external noise to interfere, the integrative feeling of being personally on the scene of reinforcing user's vision and hearing.

Regarding VR head set 7, there may be various types of VR head set 7. For example, the VR head display 7 includes a housing, a display screen, a speaker, and a display screen and speaker assembly mounted in the housing, and further includes a head display swing arm 701, a first speaker sound outlet 7011, and a second speaker sound outlet 7012.

Further, referring to fig. 11, the present utility model is used in combination with the VR head unit 7, and the earmuff body part 1 of the present utility model is directly sleeved with the headband swing arm 801 and the head unit swing arm 701. Because the head display swing arm 701 of the VR head display 7 and the head band assembly 8 are detachable, various types of head band accessories are available on the market, and in view of the simplification of the description, the utility model is not limited to the head band assembly 8 of the VR head display 7 in fig. 11, and can be suitable for the head band assemblies corresponding to various types of VR head displays 7, so that similar utility models of other head band accessory combinations are also within the protection scope.

The foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The utility model provides a VR head shows speaker three-dimensional sound transmission device, includes earmuff main part (1), middle part pivot part (2), two-way pivot part (3), rocking arm part (4), slide rail part (5) and sound section of thick bamboo part (6), its characterized in that: a earmuff main part (1) for virtual reality equipment connects is connected with middle part pivot part (2), and middle part pivot part (2) are connected with two-way pivot part (3), and two-way pivot part (3) are connected with rocking arm part (4), and rocking arm part (4) are connected with sound section of thick bamboo part (6) through slide rail part (5), form the inner chamber structure of intercommunication.

2. The VR head speaker stereo audio device of claim 1, wherein: the first sound cavity port (1021) is connected to the inner upper side of the earmuff body part (1) to form a first transmission sound cavity, and the second sound cavity port (1022) is connected to the lower side of the earmuff body part (1) to form a second transmission sound cavity.

3. The VR head speaker stereo audio device of claim 1, wherein: the earmuff sponge sleeve (603), the earmuff sponge sleeve (603) is made of leather, sponge or silica gel.

4. The VR head speaker stereo audio device of claim 1, wherein: the earmuff body part (1) comprises an earmuff outer shell (101) and an earmuff inner shell (102) to form a C-shaped sleeve.

5. The VR head speaker stereo audio device of claim 1, wherein: the bidirectional rotating shaft component (3) and the rotating arm component (4) form a rotating structure.

6. The VR head speaker stereo audio device of claim 1, wherein: the rotating arm part (4) and the sliding rail part (5) form a parallel sliding structure, and the sliding rail patch (502) is made of soft rubber patch material and is adhered to the sliding rail groove (501).

7. The VR head speaker stereo audio device of claim 1, wherein: the middle rotating shaft part (2) and the bidirectional rotating shaft part (3) form a rotating structure, and the rotating structure is perpendicular to the plane of the clamping seat (201).

8. The VR head speaker stereo set of claim 7, wherein: the front end of the bidirectional rotating shaft body (301) is provided with a gear mechanism and a middle rotating shaft component (2) to form gear adjustment, and the front clamping rubber ring (302) and the rear clamping rubber ring (303) are combined with the middle rotating shaft component (2) to form damping force.