WO2019075667A1

WO2019075667A1 - Head-mounted display

Info

Publication number: WO2019075667A1
Application number: PCT/CN2017/106716
Authority: WO
Inventors: 黄雷; 李林森; 李兴武
Original assignee: 歌尔科技有限公司
Priority date: 2017-10-18
Filing date: 2017-10-18
Publication date: 2019-04-25

Abstract

A head-mounted display, comprising a display body; a head strap (12) connected to the display body for a user to wear; a headphone (10) comprising a headphone body (100) and a connecting arm (101) that are fixed together; a locating member (11) connected to the head strap (12), the locating member (11) having at least two locating surfaces (110), and the connecting arm (101) is rotatably connected to the locating member (11) so that the connecting arm (101) is separately attached to the at least two locating surfaces (110); and an elastic locking mechanism capable of providing, when the connecting arm (101) is rotated to attach to any one of the locating surfaces (110), elastic force for fixing the connecting arm (101). One technical problem resolved by the head-mounted display is poor user experience due to that the angle between the headphone (10) and the head of the user is fixed when the headphone (10) is integrally combined and coordinated with the head-mounted display.

Description

Head mounted display

Technical field

The present invention relates to the field of head-mounted display technology, and more particularly to a head-mounted display.

Background technique

A head-mounted display is a device for displaying images and colors, which is generally disposed at a distance from a user's eyes through an eye mask, a helmet or glasses, and adjusts a focal length through an optical path to project an eye at a close distance. Picture. It generally includes a display body and a headband.

At present, with the development of technology, the combination of earphones and head-mounted displays has gradually become a trend. The headset is connected to the head mounted display. However, in the structure in which the earphone and the head mounted display are integrally combined, the angle between the earphone and the user's head is fixed, and the distance between the earphone and the user's ear is also fixed, which limits the user experience. .

Therefore, it is necessary to improve the existing head mounted display.

Summary of the invention

It is an object of the present invention to provide a new technical solution for a head mounted display.

According to a first aspect of the invention, a head mounted display is provided. The head mounted display includes: a display body; a headband coupled to the display body for wearing by a user; and an earphone including a headphone body and a connecting arm fixed together; connected to the head a positioning member having at least two positioning surfaces, the connecting arm being rotatably coupled with the positioning member to respectively engage the connecting arm with the at least two positioning surfaces; an elastic locking mechanism The elastic locking mechanism is configured to provide an elastic force for fixing the connecting arm when the connecting arm is rotated to conform to any one of the positioning surfaces.

Optionally, the number of the earphones is two, and the connecting arms of the two earphones are oppositely disposed outside the headband.

Optionally, a rigid support portion is disposed on the headband, and the positioning member is coupled to the rigid support portion.

Optionally, the connecting arm includes a first sliding member and a second sliding member, the first sliding member is fixed on the earphone body, and the second sliding member is slidably connected to the first sliding member, the first The two sliding members are rotatably connected to the positioning member.

Optionally, the number of the positioning surfaces is two, which are a first positioning surface and a second positioning surface, respectively; the earphone body is configured to be when the connecting arm is rotated to fit the first positioning surface Located in a retracted position away from the user's ear, when the connecting arm is rotated to fit the second positioning surface, it is located in a pre-tightened position that fits the user's ear.

Optionally, the first positioning surface and the second positioning surface are both planar structures, and the first positioning The angle between the face and the second positioning surface is an obtuse angle.

Optionally, the elastic locking mechanism includes a first shaft and a first spring sleeved on the first shaft, the first shaft penetrating into the positioning member and being rotatably connected with the positioning member. Two ends of the first shaft respectively pass through the connecting arm and the headband, and two axial stops are arranged on the first shaft, and the connecting arm and the headband are limited to two Between the axial stops, the connecting arm is configured to oscillate the first shaft, and the first spring is compressed and provides an elastic force that causes the positioning surface to abut against the connecting arm.

Optionally, the elastic locking mechanism further includes a second shaft rotatably disposed in the positioning member, the first shaft being configured to drive the second shaft to rotate within the positioning member, Sliding fit between the first shaft and the second shaft

Optionally, the first spring is located between the second shaft and an axial stop that limits the headband.

Optionally, the positioning member comprises a first peripheral wall enclosing a hollow structure, and the at least two positioning surfaces are provided at an axial end of the first peripheral wall, on an inner circumferential surface of the first peripheral wall Two opposite mounting holes are provided, and two ends of the second shaft respectively penetrate into the two mounting holes, and the second shaft is in clearance with the mounting hole.

Optionally, a through hole is disposed on the connecting arm, the first shaft passes through the through hole, and a transition fit is formed between the first shaft and the through hole.

Optionally, a through hole is defined in the headband, and one end of the first shaft passes through the through hole, and the first shaft is configured to be able to swing in the through hole.

Optionally, the connecting arm includes an opposite substrate and a supporting plate, the substrate is fixedly connected to the earphone body, the substrate is rotatably connected to the positioning member, and the supporting plate is located between the substrate and the positioning member; The elastic locking mechanism includes a second spring limited between the base plate and the support plate, the second spring being compressed and providing an elastic force that urges the support plate against the positioning surface.

Optionally, a guide post is disposed on one of the substrate and the support plate, and a guide hole is disposed on the other, and the guide post penetrates into the guide hole.

Optionally, the second spring is sleeved on the guiding post.

Optionally, the support plate is rectangular, and at least one of the guide posts or the guide holes are disposed at four corners of the support plate.

Optionally, a first sidewall is protruded on the substrate, and the first sidewall extends out of the support plate and is rotatably connected to the positioning member.

Optionally, a slot is disposed on the positioning component, and a portion of the first sidewall that passes through the support panel is inserted into the slot and is rotatably coupled to the positioning component.

Optionally, a first pin hole corresponding to the position is disposed on the first sidewall and the positioning member, and the first pin hole penetrates into the first portion of the first pin hole to rotatably connect the substrate and the positioning member Pin.

Optionally, the number of the first sidewalls is two, and the two first sidewalls are oppositely disposed.

Optionally, a groove is provided on the substrate, and the support plate is located in the groove.

Optionally, the positioning member is fixedly coupled to the headband, the elastic locking mechanism includes a third spring and a third shaft and a fourth shaft that are sleeved together; the positioning member, the connecting arm, and the Triaxial Cooperating with the fourth shaft to form a four-bar structure including a moving pair, the positioning member is a frame, the connecting arm and the fourth shaft are connecting rods, and the third shaft is a connecting rod, and the third shaft Slidingly coupled to the fourth shaft to form the moving pair; the third spring being configured to be compressed and provide axial fixation of the third shaft and the fourth shaft when the connecting arm is mated with the positioning surface Elasticity.

Optionally, the positioning member comprises a second peripheral wall enclosing a hollow structure, the at least two positioning surfaces are provided at one axial end of the second peripheral wall, and two inner circumferential surfaces of the second peripheral wall are provided The mounting holes are oppositely disposed on the radial sides of the fourth shaft, and the connecting shafts respectively penetrate the mounting holes, and the connecting shafts are matched with the mounting holes.

Optionally, a second sidewall protrudes from the connecting arm, and a second pin hole corresponding to the position is disposed on the second sidewall and the positioning member, and penetrates into the second pin hole a second pin shaft rotatably connecting the second side wall with the positioning member; and a third pin hole corresponding to the position on the second side wall and the third shaft, wherein the third pin hole A third pin shaft that rotatably connects the second side wall and the third shaft is inserted into the inner portion.

Optionally, the number of the second side walls is two, and the two second side walls are oppositely disposed on opposite sides of the third axis.

Optionally, a third axial stop is disposed on the third shaft, and the third spring and the fourth shaft are sleeved on the third shaft, and the third spring is located at the Between the fourth axis and the third axial stop.

Optionally, the positioning surface is configured to circumferentially stop the connecting arm when the connecting arm is rotated to fit the positioning surface; the third spring is configured to be when the connecting The arm is compressed to be compressed between the fourth shaft and the third axial stop when it is engaged with the positioning surface and prevents the connecting arm from rotating.

Optionally, a fourth axial stop is further disposed on the third shaft, and the fourth axial stop is located on a side of the fourth shaft that is away from the third axial stop.

Optionally, the third shaft is configured to be elastically clamped between the third spring and the fourth axial stop when the connecting arm is engaged with the positioning surface.

Optionally, the third axial stop is integrally disposed on the third shaft.

Optionally, the connecting arm is rotatably coupled to the third axial stop.

Optionally, the fourth axial stop is a second circlip sleeve that is sleeved on the third shaft.

Optionally, the fourth shaft encloses a stepped hole, and the third spring is limited between the stepped surface of the stepped through hole and the third axial stop.

The inventor of the present invention has found that in the structure in which the earphone and the head mounted display are integrally combined, the angle between the earphone and the user's head is fixed, and the distance between the earphone and the user's ear is also fixed, which limits the user. The experience of using. Therefore, the technical task to be achieved by the present invention or the technical problem to be solved is not thought of or expected by those skilled in the art, so the present invention is a new technical solution.

According to an embodiment of the present disclosure, the positioning member has at least two positioning faces. The connecting arm is rotatably connected with the positioning member, and the connecting arm can respectively be engaged with the at least two positioning surfaces when rotating. When the connecting arm is rotated to fit any one of the positioning surfaces, the elastic locking mechanism can provide the locking connecting arm The elasticity of the position.

The connecting arm is rotatable relative to the positioning member to form an angle of different sizes between the connecting arm and the user's head, thereby achieving an increase or reducing the distance of the earphone body from the user's ear. The connecting arm can be fixed at any angle according to actual needs.

Other features and advantages of the present invention will become apparent from the Detailed Description of the <RTIgt;

DRAWINGS

The accompanying drawings, which are incorporated in FIG

1 is a schematic diagram of a head mounted display provided in an embodiment of the present invention;

2 is a schematic structural view of a head mounted display provided in an embodiment of the present invention;

3 is a schematic view of a connecting arm provided in an embodiment in accordance with an embodiment of the present invention;

4 is a schematic view of a connecting arm provided in a pre-tightening position according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an earphone provided in an embodiment of the present invention; FIG.

Figure 6 is an exploded view of the parts of the head mounted display provided in an embodiment of the present invention;

Figure 7 is a partial view showing the mounting of a head mounted display provided in an embodiment of the present invention;

Figure 8 is a partial view showing the mounting of a head mounted display provided in an embodiment of the present invention;

9 is a partial part mounting view of a head mounted display provided in an embodiment of the present invention;

Figure 10 is a schematic illustration of a head mounted display provided in an embodiment of the present invention;

Figure 11 is an exploded view of the parts of the head mounted display provided in an embodiment of the present invention;

Figure 12 is a schematic illustration of a head mounted display provided in an embodiment of the present invention;

Figure 13 is a schematic illustration of a head mounted display provided in an embodiment of the present invention;

Figure 14 is an exploded view of the parts of the head mounted display provided in an embodiment of the present invention;

15 is a schematic structural diagram of a head mounted display provided in an embodiment of the present invention;

Figure 16 is a partial view showing the mounting of a head mounted display provided in an embodiment of the present invention;

Figure 17 is a partial view showing the mounting of a head mounted display provided in an embodiment of the present invention;

Figure 18 is a partial view showing the mounting of a head mounted display provided in an embodiment of the present invention;

Figure 19 is a partial view showing the mounting of a head mounted display provided in an embodiment of the present invention;

20 is a schematic diagram of a head mounted display provided in an embodiment of the present invention;

21 is a schematic diagram of a head mounted display provided in an embodiment of the present invention.

Detailed ways

Various exemplary embodiments of the present invention will now be described in detail with reference to the drawings. It should be noted that the relative arrangement of the components and steps, numerical expressions and numerical values set forth in the embodiments are not intended to limit the scope of the invention unless otherwise specified.

The following description of the at least one exemplary embodiment is merely illustrative and is in no way

Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail. The techniques, methods, and devices should be considered as part of the specification, where appropriate.

In all of the examples shown and discussed herein, any specific values are to be construed as illustrative only and not as a limitation. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that similar reference numerals and letters indicate similar items in the following figures, and therefore, once an item is defined in one figure, it is not required to be further discussed in the subsequent figures.

In accordance with an embodiment of the present invention, a head mounted display is provided. Referring to FIG. 1, the head mounted display includes a display body, a headband 12, an earphone 10, a positioning member 11, and an elastic locking mechanism. The headband 12 is coupled to the display body for wear by a user. The display body has a display screen. After the user wears the headband 12, the user can observe the image, color, and the like displayed on the display main body. For example, the head mounted display may be a virtual reality display or an augmented reality display or the like. For example, the head mounted display may be an integrated head mounted display or an external head mounted display or the like.

The earphone 10 includes an earphone body 100 and a connecting arm 101 that are coupled together. The positioning member 11 is coupled to the headband 12. The connecting arm 101 is rotatably coupled to the positioning member 11. For example, the connecting arm 101 may be a plate-like structure or a rod-like structure or other structure. The positioning member 11 has at least two positioning faces 110. When the connecting arm rotates relative to the positioning member 11, the connecting arm 101 can respectively be engaged with the at least two positioning faces 110.

When the connecting arm 101 rotates relative to the positioning member 11, the lever principle is similar, and the position of the earphone main body 100 also changes. For example, the earphone body 100 can be fixed to one end of the connecting arm 101, and the other side of the connecting arm 101 away from the earphone body 100 is rotatably connected to the positioning member 11.

When the user wears the head mounted display, the connecting arm 101 forms an angle with the user's head. When the connecting arm 101 rotates relative to the positioning member 11, an angle between the connecting arm 101 and the user's head can be formed, thereby achieving an enlargement or a reduction of the earphone body 100 relative to the earphone body 100. The distance of the user's ear. In addition, the connecting arm 101 can be fixed at any angle according to actual needs.

When the connecting arm 101 is rotated to abut any one of the positioning faces 110, the elastic locking mechanism provides an elastic force for fixing the position of the connecting arm 101, and the connecting arm 101 is circumferentially fixed, thereby A stop for the connecting arm 101 is achieved. At this time, if there is no external force, the position of the connecting arm 101 is locked and fixed by the elastic locking mechanism.

After the connecting arm 101 is fixed by the elastic locking mechanism, the earphone arm 101 can be rotated by applying an external force to the earphone 10 to overcome the elastic force of the elastic locking mechanism, thereby adjusting the connection. The angle between the arm 101 and the head of the user.

In one embodiment, referring to FIG. 1, initially, the connecting arm 101 is attached to a positioning surface 110 and is locked and fixed by an elastic locking mechanism. When it is necessary to enlarge or reduce the distance of the earphone main body 100 from the user's ear, an external force that rotates the connecting arm 101 can be applied, which can overcome the elastic force of the elastic locking mechanism. Under the external force, the connecting arm 101 is rotated To fit the target positioning surface 110. After the connecting arm 101 is rotated to be engaged with the target positioning surface 110, the external force disappears, and the position of the connecting arm 101 is locked and fixed by the elastic locking mechanism.

In the present disclosure, the earphone body 100 is rotatably coupled to the positioning member 11 via a connecting arm 101, and the clip between the connecting arm 101 and the user's head can be adjusted by rotating the connecting arm 101. The angular size thereby widening or zooming in the distance of the earphone body 100 relative to the user's ear. The connecting arm 101 can be locked and fixed by the elastic locking mechanism to fix the position of the earphone body 100. The position adjustment structure is simple, easy to assemble, and low in cost. The earphone 10 is connected to the headband 12 through the positioning member 11 and is not easily lost.

The number of the earphones 10 is one or two. Optionally, the number of the earphones 10 is two to correspond to the left and right ears of the user respectively. The connecting arms 101 of the two earphones 10 are oppositely disposed outside the headband 12. When the headband 12 is worn, the earphone 10 is rubbed against the head of the user. Correspondingly, the number of the positioning members 11 is also two. The positioning member 11 can be located between the connecting arm 101 and the headband 12, respectively.

In order to facilitate the attachment of the headband 12 to the headband 12, optionally, a rigid support portion is provided on the headband 12, and the positioning member 11 is coupled to the rigid support portion. The rigid support portion has a high rigidity and is not easily deformed to support the positioning member 11. For example, the material of the rigid support can be made of metal, metal alloy, plastic or other materials.

The headband 12 surrounds the head of the user, and the earphone body 100 is adjacent to or conforms to the ear of the user. The earphone body 100 is connected to the positioning member 11 and the headband 12 via the connecting arm 101. Alternatively, referring to FIG. 1, the connecting arm 101 may be elongated. One end of the connecting arm 101 is connected to the earphone main body 100, and the other end is rotatably connected to the positioning member 11. The position of the earphone body 100 can be adjusted by the rotation of the connecting arm 101 with respect to the positioning member 11.

It is considered that if the angle between the connecting arm 101 and the user's head is too small, the earphone body 100 may be too close to the user's ear. When worn, the earphone body 100 or even the entire earphone 10 may rub against the ear of the user.

If the angle between the connecting arm 101 and the user's head is too large, the earphone body 100 is relatively far from the user's ear. After the wearing is completed, the earphone main body 100 cannot be attached to the user's ear, resulting in poor sound quality.

Optionally, referring to FIG. 2 to FIG. 4 , the number of the positioning surfaces 110 is two, which are a first positioning surface 1100 and a second positioning surface 1101 , respectively.

Referring to FIG. 3, when the connecting arm 101 is rotated to fit the first positioning surface 1100, the angle between the connecting arm 101 and the user's head is large, and the earphone body is extended. The distance of 100 relative to the user's ear. At this time, the connecting arm 101 is located at a escaping position that can be away from the user's ear. Before the wearing, the connecting arm 101 is engaged with the first positioning surface 1100, so that the earphone main body 100 can be rubbed against the user's ear during wearing.

Referring to FIG. 4, when the connecting arm 101 is rotated to fit the second positioning surface 1101, the angle between the connecting arm 101 and the user's head is small, and the earphone body can be zoomed in. 100 The distance from the user's ear. The connecting arm 101 is located in a pre-tightened position that can be fitted to the user's ear. After the wearing is completed, the connecting arm 101 is attached to the second positioning surface 1101, and the user can obtain a better sound quality effect.

In order to enable the first positioning surface 1100 and the second positioning surface 1101 to be respectively attached to the connecting arm 101, the specific shapes of the first positioning surface 1100 and the second positioning surface 1101 may be respectively The corresponding mating surfaces on the connecting arm 101 are matched to each other.

Optionally, referring to FIG. 2, the first positioning surface 1100 and the second positioning surface 1101 are both planar structures. An angle between the first positioning surface 1100 and the second positioning surface 1101 is an obtuse angle. Correspondingly, the connecting arm 101 has a planar surface that can be engaged with the first positioning surface 1100 and the second positioning surface 1101.

Further, referring to FIG. 2, the first positioning surface 1100 and the second positioning surface 1101 are directly connected together.

Further, an arc connecting surface is disposed between the first positioning surface 1100 and the second positioning surface 1101. The first positioning surface 1100 is connected to the second positioning surface 1101 through the curved connecting surface. For example, one end of the annular connecting surface may be tangent to the first positioning surface 1100 and the other end may be tangent to the second positioning surface 1101.

Optionally, referring to FIG. 1 and FIG. 2, the positioning member 11 is located between the connecting arm 101 and the headband 12. The at least two positioning faces 110 are provided on a surface of the positioning member on a side away from the headband 12. For example, the positioning member 11 may have a cylindrical shape, the headband 12 is coupled to one axial side of the positioning member 11, and the connecting arm 101 is rotatably coupled to the axial direction of the positioning member 11 and another side.

To facilitate adjustment of the length of the earphone 10, optionally, referring to FIG. 5, the connecting arm 101 includes a first slider 1010 and a second slider 1011. The first slider 1010 is fixed to the earphone main body 100. The second sliding member 1011 is slidably coupled to the first sliding member 1010. The second sliding member 1011 is rotatably coupled to the positioning member 11. For example, the second slider 1011 may be a slider, and a guide rail is disposed on the first slider 1010, and the slider can slide along the rail. Thus, the overall length of the earphone 10 can be adjusted while sliding the first slider 1010 and the second slider 1011 relatively.

The specific structure of the elastic locking mechanism can be various. The elastic locking mechanism can provide an elastic force for fixing the connecting arm 101 and the positioning member 11 relatively when the connecting arm 101 is rotated to be engaged with any one of the positioning surfaces 110.

In one embodiment, referring to Figures 6 and 10, the elastic locking mechanism includes a first shaft 13 and a first spring 15. The first shaft 13 penetrates into the positioning member 11a and is rotatably connected to the positioning member 11a.

Both ends of the first shaft 13 pass through the connecting arm 101a and the headband 12a, respectively. Two axial stops are provided on the first shaft 13, and the connecting arms 101a and the headband 12a are limited between the two axial stops. An axial stop defining a stop limit for the headband 12a is a first axial stop 16 , and an axial stop for stopping the stop of the connecting arm 101 a is a second axial direction Stop portion 17. When the connecting arm 101a rotates relative to the positioning member 11a, The connecting arm 101a drives the first shaft 13 to swing.

The first spring 15 is sleeved on the first shaft 13 . When the connecting arm 101a is rotated to conform to any one of the positioning faces 110a, the first spring 15 is compressed and provides an elastic force for bringing the positioning member 11a into close contact with the connecting arm 101a. For example, the first spring 15 may be always in a compressed state during the rotation of the connecting arm 101a by an external force.

The second axial stop 17 is located outside the connecting arm 101a and forms a stop for the connecting arm 101a. The first spring 15 is compressed and applies an elastic force to the positioning member 11a toward the connecting arm 101a, so that the connecting arm 101a abuts against the positioning surface 110a, thereby locking and fixing the connecting arm 101a. The position of the connecting arm 101a is fixed in the circumferential direction. When the external force is applied to rotate the earphone 10a, the locking elastic force of the first spring 15 can be overcome, so that the connecting arm 101a is rotated relative to the positioning member 11a.

By relatively rotating the connecting arm 101a and the positioning member 11a, the angle between the connecting arm 101a and the user's head can be adjusted, and the zooming or zooming of the earphone main body 100a relative to the ear can be adjusted. The distance of the user's ear. The connecting arm 101a can be fixed at an arbitrary angle according to actual needs.

In this embodiment, in order to rotatably connect the connecting arm 101a with the positioning member 11a, optionally, referring to FIG. 6 and FIG. 7, the elastic locking mechanism further includes a rotatably disposed to the positioning member 11a. The second shaft 14 is inside. When the connecting arm 101a drives the first shaft 13 to swing, the first shaft 113 can drive the second shaft 14 to rotate in the positioning member 11a. Thus, the first shaft 113 is rotatably coupled to the positioning member 11a via the second shaft 14 to correct the swing of the first shaft 113.

Further, referring to FIG. 6 and FIG. 7, the first shaft 13 penetrates the second shaft 14 in the radial direction to drive the second shaft 14 to rotate in the positioning member 11a. For example, a through hole 130 is formed in the second shaft 14 , and the through hole 130 penetrates the second shaft 14 in a radial direction, and the first shaft 13 penetrates the through hole 130 .

The first shaft 13 and the second shaft 14 are also relatively slidable in the axial direction of the first shaft 13. For example, the first shaft 13 and the second shaft 14 are slidably fitted.

The first spring 15 is compressed and provides an elastic force that causes the positioning member 11a to abut against the connecting arm 101a. Further, referring to FIG. 6 , the first spring 15 is located between the second shaft 14 and the first axial stop 16 .

When the connecting arm 101a is rotated to conform to any one of the positioning faces 110, the first spring 15 is compressed. The first spring 15 applies an elastic force to the second shaft 14 and the positioning member 11a that are rotatably coupled together, so that the positioning member 11a and the connecting arm 101a are in close contact with each other.

Further, referring to FIG. 7, the positioning member 11a includes a first peripheral wall enclosing a hollow structure. The at least two positioning faces 110a are provided at one axial end of the positioning member 11a. Two oppositely disposed mounting holes 111a are provided on the inner peripheral surface of the first peripheral wall. Both ends of the second shaft 14 penetrate into the two mounting holes 111a, respectively. The second shaft 14 and the mounting hole 111a are respectively Clearance fit. Thus, the second shaft 14 is rotatably coupled to the positioning member 11a.

Further, referring to FIG. 7, the positioning member 11a may further include a top wall disposed at one axial end of the first peripheral wall. The at least two positioning surfaces 110a are disposed on the top wall. A through hole 112a for sliding the first shaft 13 is further provided on the top wall. For example, the through hole 112a may have an elongated shape or other shape.

The connecting arm 101a and the headband 12a are constrained between the two axial stops. The second axial stop portion 17 is located outside the connecting arm 101a and stops the connecting arm 101a. Optionally, referring to FIG. 6, a through hole 1012a is provided on the connecting arm 101a. One end of the first shaft 13 passes through the through hole 1012a. The first shaft 13 is mated with the through hole 1012a. Thus, when the external force is applied to drive the connecting arm 101a to rotate, the connecting arm 101a can drive the first shaft 13 to swing synchronously.

When the first shaft 13 swings, the headband 12a is not moved. Optionally, referring to FIG. 6 and FIG. 8, a through hole 120a is disposed on the headband 12a. One end of the first shaft 13 passes through the through hole 120a. The first shaft 13 is configured to be able to swing within the through hole 120a. The through hole 120a has a space for the first shaft 13 to swing. For example, the through hole 120a may be elongated or otherwise shaped. The first axial stop portion 16 is located outside the headband 12a and stops the headband 12a.

The specific shape of the two axial stoppers may be various as long as the stoppers of the connecting arm 101a and the headband 12a can be realized.

Optionally, referring to FIG. 7 and FIG. 8 , the first axial stop portion 16 is integrally disposed on the first shaft 13 . For example, the first axial stop 16 can be spherical.

Optionally, referring to FIG. 9 , the second axial stop portion 17 is a first circlip spring sleeved on the first shaft 13 . For example, the first circlip may be a C-shaped circlip, and the first shaft 13 may be provided with a mounting groove for mounting the first circlip.

The number of the first shafts 13 is one or more. In one example, referring to Figures 6 and 9, the number of the first shafts 13 is two. When the connecting arm 101a rotates, the two first shafts 13 can be synchronously oscillated. For example, the two first shafts 13 can be arranged in parallel.

In one embodiment, referring to FIGS. 6-10, the first axial stop portion 16 is integrally disposed on the first shaft 13. The second axial stop 17 is a first snap spring. First, the first shaft 13 is passed out of the headband 12a, and the first axial stop portion 16 stops the headband 12a. Then, the first spring 15 is fitted over the first shaft 13. The second shaft 14 is then sleeved on the first shaft 13 and rotatably coupled to the positioning member 11a. The first spring 15 is constrained between the second shaft 14 and the first axial stop 16 . The first shaft 13 passes through the second shaft 14 and passes through the connecting arm 101a. Thereafter, the first circlip is placed over the first shaft 13. The first circlip is located outside the connecting arm 101a and axially stops the connecting arm 101a. The first spring 15 is compressed and squeezes the second shaft 14 such that the positioning surface 110a abuts the connecting arm 101a.

In another embodiment, referring to FIGS. 11 to 13, the connecting arm 101b includes an oppositely disposed substrate 1013b and a support plate 1015b. The substrate 1013b is fixedly connected to the earphone main body 100b. The substrate 1013b is rotatably coupled to the positioning member 11b. The support plate 1015b is located between the substrate 1013b and the positioning member 11b. The elastic locking mechanism includes a limit A second spring 18 between the substrate 1013b and the support plate 1015b. The second spring 18 is compressed and provides an elastic force that urges the support plate 1015b against the positioning member 11b.

When the substrate 1013b rotates relative to the positioning member 11b, the support plate 1015b is moved, so that the support plate 1015b is respectively engaged with at least two positioning faces 110b on the positioning member 11b. The second spring 18 located between the support plate 1015b and the substrate 1013b is compressed to provide an elastic force for the support plate 1015b to abut against the positioning surface 110b, thereby locking the position of the connecting arm 101b. .

When the external force is applied to rotate the earphone 10b, the locking elastic force of the second spring 18 can be overcome, so that the connecting arm 101b rotates relative to the positioning member 11b.

By relatively rotating the connecting arm 101b and the positioning member 11b, the angle between the connecting arm 101b and the user's head can be adjusted to achieve the enlargement or the zooming of the earphone body 100b relative to The distance of the user's ear. The connecting arm 101b can be fixed at any angle according to actual needs.

In this embodiment, the positioning member 11b can be fixedly coupled to the headband 12b. Optionally, the positioning member 11b is detachably coupled to the headband 12b. For example, the positioning member 11b can be screwed or snapped with the headband 12b.

Optionally, referring to FIG. 11, a guide post is disposed on any one of the substrate 1013b and the support plate 1015b. A guide hole is provided in the other of the substrate 1013b and the support plate 1015b. The guide post penetrates into the guiding hole. The relative movement between the support plate 1015b and the substrate 1013b can be guided by the cooperation between the guide post and the guide hole.

In order to guide and support the second spring 18, further, referring to 11, the second spring 18 is sleeved on the guiding post. The second spring 18 is limited to one end of the support plate 1015b and the other end to the substrate 1013b.

The shape of the support plate 1015b may be various. In one example, referring to FIG. 11, the support plate 1015b is rectangular, and at least one of the guide posts or guide holes is disposed at four corners of the support plate 1015b. Thus, the second spring 18 enables the positioning surface 110b to reliably abut the support plate 1015b.

Optionally, referring to FIG. 11 to FIG. 13, a groove 10141b is provided on the substrate 1013b. The support plate 1015b is concavated within the recess 10141b. The support plate 1015b is opposed to the bottom surface of the groove 10141b. The second spring 18 is constrained between the support plate 1015b and the bottom surface of the groove 10141b.

There are various ways in which the substrate 1013b is rotatably connected to the positioning member 11b. Optionally, referring to FIG. 11 to FIG. 13, a first sidewall 1014b is protruded on the substrate 1013b. A through hole 10150b is provided in the support plate 1015b. The first side wall 1014b passes through the through hole 10150b and is rotatably connected to the positioning member 11b. The first side wall 1014b is in sliding engagement with the through hole 10150b of the support plate 1015b.

When the substrate 1013b rotates relative to the positioning member 11b, the support plate 1015b can be rotated to respectively engage at least two positioning surfaces 110b on the positioning member 11b. The second spring 18 applies an elastic force to the support plate 1015b toward the positioning member 11b. The support plate 1015b is brought into close contact with the positioning surface 110b to lock the position of the earphone 10b, and the earphone 10b is circumferentially fixed.

Further, referring to FIG. 11, the number of the first side walls 1014b is two, and the two first side walls 1014b are oppositely disposed. The substrate 1013b is rotationally coupled to the positioning member 11b more smoothly.

Further, referring to FIG. 11, the

first pin holes

10140b and 114b corresponding to the positions may be respectively disposed on the first side wall 1014b and the positioning member 11b. A first pin 19 that rotatably connects the substrate 1013b and the positioning member 11b is inserted into the

first pin holes

10140b and 114b. As such, the first side wall 1014b is rotatably coupled to the positioning member 11b, and the substrate 1013b is rotatable relative to the positioning member 11b.

Further, referring to FIG. 11, a slot 113b matching the first side wall 1014b may be disposed on the positioning member 11b. A portion of the first side wall 1014b that passes through the through hole 10150b is inserted into the slot 113b and is rotatably coupled to the positioning member 11b. As such, the substrate 1013b can limit one end of the second spring 18 such that the second spring 18 is compressed between the substrate 1013b and the support plate 1015b.

In still another embodiment, referring to Figures 14 to 21, the positioning member 11c is fixedly coupled to the headband 12c. The elastic locking mechanism includes a third spring 23, and a third shaft 20 and a fourth shaft 21 that are sleeved together.

The positioning member 11c, the connecting arm 101c, the third shaft 20, and the fourth shaft 21 collectively constitute a four-bar structure including a moving pair.

Wherein, the positioning member 11c is a fixedly arranged frame.

The connecting arm 101c is rotatably connected to the positioning member 11c, and is a connecting rod.

The fourth shaft 21 is rotatably connected to the positioning member 11c as a connecting rod.

The third shaft 20 is a connecting rod. The third shaft 20 is rotatably coupled to the connecting arm 101c. The third shaft 20 and the fourth shaft 21 are slidably coupled to form the moving pair.

When the connecting arm 101c is engaged with the positioning surface 110c, the third spring 23 is compressed and provides a locking elastic force that axially fixes the first shaft 13 and the second shaft 14.

When the connecting arm 101c is rotated to be in contact with any one of the positioning faces 110c, the third springs 23 are both in a compressed state and provide axial directions of the first shaft 13 and the second shaft 14. The locking elasticity that is fixed together. If there is no external force, the four-bar mechanism has a stable triangle, thereby locking the position of the connecting arm 101c.

When the external force of rotating the earphone 10c is applied, the locking elastic force of the third spring 23 can be overcome, so that the third shaft 20 and the fourth shaft 21 slide relative to each other, and the connecting arm 101c can be positioned relative to the positioning The piece 11c rotates.

Through the relative rotation between the connecting arm 101c and the positioning member 11c, the angle between the connecting arm 101c and the user's head can be adjusted to achieve the enlargement or the zooming of the earphone body 100c relative to The distance of the user's ear. The connecting arm 101c can be fixed at an arbitrary angle according to actual needs.

In this embodiment, the positioning member 11c is rotatably coupled to the fourth shaft 21. Optional Referring to Figure 17, the positioning member 11c includes a second peripheral wall enclosing a hollow structure. The at least two positioning faces 110c are provided at one axial end of the positioning member 11c. Two oppositely disposed mounting holes 116c are provided on the inner peripheral surface of the second peripheral wall. A connecting shaft 22 is protruded on both sides in the radial direction of the fourth shaft 21. Two of the connecting shafts 22 penetrate into the two mounting holes 116c, respectively. The connecting shaft 22 is gap-fitted with the mounting hole 116c, and the connecting shaft 22 is rotatable within the mounting hole 116c. Thus, the fourth shaft 21 is rotatably coupled to the positioning member 11c via the connecting shaft 22.

The connecting arm 101c is a connecting rod in a four-bar mechanism. The connecting arm 101c is rotatably connected to the positioning member 11c and the third shaft 20, respectively. Optionally, referring to FIG. 11, FIG. 20 and FIG. 21, a second side wall 1016c protrudes from the connecting arm 101c. For example, the second side wall 1016c can be perpendicular to the connecting arm 101c. Positioned

second pin holes

10160c, 115c are provided on the second side wall 1016c and the positioning member 11c. A second pin 26 that rotatably connects the second side wall 1016c and the positioning member 11c is inserted into the second side wall 1016c and the

second pin holes

10160c, 115c of the positioning member 11c.

Positional

third pin holes

10161c, 240 are provided on the second side wall 1016c and the third shaft 20. A third pin 27 that rotatably connects the second side wall 1016c with the third shaft 20 is inserted into the third side wall 1016c and the

third pin hole

10161c, 240 on the third shaft 20.

The second pin hole 10160c on the second side wall 1016c is located at a different position from the third pin hole 10161c, so that the connecting arm 101c is rotated as the connecting rod with the positioning member 11c and the third shaft 20, respectively. connection.

The number of the second side walls 1016c is one or more. Further, referring to FIG. 14, the number of the second side walls 1016c is two. Two of the second side walls 1016c are located on opposite radial sides of the third shaft 20, respectively. The second pin holes on the two second side walls 1016c correspond to each other to be inserted into the second pin shaft 26. The second pin holes on the two of the second side walls 1016c are opposed to be inserted into the third pin shaft 27.

In order to cause the third spring 23 to be compressed to provide a locking spring force, optionally, with reference to FIGS. 14 and 16, a third axial stop portion 24 is provided on the third shaft 20. The third spring 23 and the fourth shaft 21 are sleeved on the third shaft 20 . For example, the fourth shaft 21 may be a tubular structure. The third spring 23 is located between the fourth shaft 21 and the third axial stop 24 .

Further, referring to FIG. 14, FIG. 20 and FIG. 21, when the connecting arm 101c is rotated to be in contact with the positioning surface 110c, the positioning surface 110c can circumferentially stop the connecting arm 101c. The connecting arm 101c cannot continue to rotate. For example, the positioning surface 110c may be a planar structure having a certain length.

When the connecting arm 101c is rotated to abut the positioning surface 110c, the third spring 23 is compressed between the fourth shaft 21 and the third axial stopping portion 24 to block the The connecting arm 101c is rotated. For example, during the rotation of the connecting arm 101c, the third spring 23 can always be in a compressed state.

Thus, when the connecting arm 101c is rotated to fit any one of the positioning faces 110c, The connecting arm 101c cannot continue to rotate and cannot rotate. The third shaft 20 and the fourth shaft 21 are axially fixed, and the connecting arm 101c is fixed in the circumferential direction.

When an external force for rotating the earphone 10c is applied, the elastic force of the third spring 23 can be overcome, so that the third shaft 20 and the fourth shaft 21 slide relative to each other, and the connecting arm 101c rotates.

Further, referring to FIG. 14, a fourth axial stop portion 25 is further provided on the third shaft 20. The fourth axial stop 25 is located on a side of the fourth shaft 21 that is away from the third axial stop 24 . The fourth shaft 21 does not disengage from the third shaft 20 by the stop limit of the fourth axial stop 25 .

Further, referring to FIG. 14, when the connecting arm 101c is in contact with the positioning surface 110c, the third shaft 20 can also be elastically clamped at the third spring 23 and the fourth axial direction. Between the blocking portions 25. The third spring 23 provides a locking spring force that urges the third shaft 20 against the fourth axial stop 25 . For example, during the rotation of the connecting arm 101c, the third spring 23 can always be in a compressed state.

Thus, when the connecting arm 101c is engaged with the positioning surface 110c, the third shaft 20 and the fourth shaft 21 are reliably fixed together. At this time, the four-bar mechanism has a stable triangular shape, and the connecting arm 101c can be circumferentially fixed, so that the connecting arm 101c and the positioning surface 110c are always attached together.

It should be noted that the design of the structural size may be such that when the connecting arm 101c is engaged with any of the positioning surfaces 110c, the third shaft 20 is elastically clamped to the third spring. 23 is located between the fourth axial stop 25 .

When an external force for rotating the earphone 10c is applied, the locking elastic force of the third spring 23 can be overcome, so that the third shaft 20 and the fourth shaft 21 slide relative to each other, and the connecting arm 101c rotates.

Further, referring to FIG. 20 and FIG. 21, the fourth shaft 21 encloses a stepped hole 210 having a stepped surface. The third spring 23 is limited between the third axial stop portion 24 and the step surface of the stepped hole 210.

Further, referring to FIG. 14, the third axial stop portion 24 is integrally disposed on the third shaft 20. Further, the connecting arm 101c is rotatably coupled to the third axial stop portion 24. For example, the third pin hole 240 may be disposed on the third axial stop portion 24.

Referring to FIG. 14 , the fourth axial stop portion 25 may be a second circlip spring sleeved on the third shaft 20 . For example, a mounting groove for mounting the second retaining spring may be provided on the third shaft 20. For example, the second circlip may be an E-shaped circlip. Of course, the third shaft 20 can also be sleeved on the fourth shaft 21.

There are various ways in which the positioning member 11c is fixedly coupled to the headband 12c. Optionally, the positioning member 11c is screwed together with the headband 12c. For example, as shown in Fig. 14, a plurality of screws 27 can be threaded into the headband 12c and the positioning member 11c to threadably couple the positioning member 11c with the headband 12c.

In one embodiment, referring to FIG. 14 to FIG. 21 , the third axial stop portion 24 is integrally disposed on the third shaft 20 , and the fourth axial stop portion 25 is a second sleeve disposed on the third shaft 20 . Circlip. First, the third spring 23 is sleeved on the third shaft 20, and the third axial stop portion 24 is opposite to the third spring. One end of 23 performs a limit stop. Then, the fourth shaft 21 is sleeved on the third shaft 20, and the third spring 23 is restrained between the third axial stop portion 24 and the fourth shaft 21. The second circlip spring is sleeved on the fourth shaft 21, and the third spring 23 and the fourth shaft 21 are located between the third axial stop portion 24 and the second circlip. Thereafter, the fourth shaft 21 is rotatably coupled to the positioning member 11c, and the positioning member 11c is fixedly coupled to the headband 12c, and the second side wall 1016c of the connecting arm 101c is rotatably coupled to the positioning member 11c and the third shaft 20, respectively.

While the invention has been described in detail with reference to the preferred embodiments of the present invention, it is understood that It will be appreciated by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

A head mounted display, comprising:

Display subject

a headband (12), the headband (12) being coupled to the display body for wearing by a user;

An earphone (10), the earphone (10) comprising a headphone body (100) and a connecting arm (101) connected together;

a positioning member (11) coupled to the headband (12), the positioning member (11) having at least two positioning surfaces (110), the connecting arm (101) and the positioning member (11) rotating Connecting so that the connecting arm (101) is respectively engaged with the at least two positioning faces (110);

An elastic locking mechanism configured to provide an elastic force for fixing the connecting arm (101) when the connecting arm (101) is rotated to conform to any one of the positioning faces (110) .
The head mounted display according to claim 1, wherein a rigid support portion is provided on the headband (12), and the positioning member (11) is coupled to the rigid support portion.
A head mounted display according to claim 1, wherein said connecting arm (101) comprises a first slider (1010) and a second slider (1011), said first slider (1010) being fixed to The second sliding member (1011) is slidably coupled to the first sliding member (1010), and the second sliding member (1011) is rotatably coupled to the positioning member (11).
The head-mounted display according to claim 1, wherein the number of the positioning surfaces (110) is two, respectively a first positioning surface (1100) and a second positioning surface (1101);

The earphone body (100) is configured to be located at a retreat position away from the user's ear when the connecting arm (101) is rotated to fit the first positioning surface (1100), when the connecting arm (101) Rotating to a pre-tightened position that fits the user's ear when it is brought into engagement with the second positioning surface (1101).
The head mounted display according to claim 4, wherein the first positioning surface (1100) and the second positioning surface (1101) are both planar structures, the first positioning surface (1100) and the second positioning The angle between the faces (1101) is an obtuse angle.
The head mounted display according to any one of claims 1 to 5, wherein the elastic locking mechanism comprises a first shaft (13) and a first sleeve sleeved on the first shaft (13) a spring (15), the first shaft (13) penetrates into the positioning member (11a) and is rotatably connected with the positioning member (11a), and two ends of the first shaft (13) respectively pass through Connecting arm (101a) and the headband (12a),

Two axial stops are provided on the first shaft (13), and the connecting arm (101a) and the headband (12a) are constrained between the two axial stops, The connecting arm (101a) is configured to be capable of oscillating the first shaft (13), the first spring (15) being compressed and providing an elastic force for the positioning surface (110a) to be in close contact with the connecting arm (101a) .
The head mounted display according to claim 6, wherein the elastic locking mechanism further comprises a second shaft (14) rotatably disposed in the positioning member (11a),

The first shaft (13) is configured to drive the second shaft (14) to rotate within the positioning member (11a), between the first shaft (14) and the second shaft (14) Sliding fit.
A head mounted display according to claim 7, wherein said first spring (15) is located on said second shaft (14) and an axial stop that limits said headband (12a) Between (16).
The head mounted display according to claim 6, wherein a through hole (1012a) is provided in the connecting arm (101a), and the first shaft (13) passes through the through hole (1012a), A transition fit is formed between the first shaft (13) and the through hole (1012a).
The head mounted display according to claim 6, wherein a through hole (120a) is provided in the headband (12a), and one end of the first shaft (13) passes through the through hole (120a) The first shaft (13) is configured to oscillate within the through hole (120a).
A head mounted display according to any one of claims 1 to 5, wherein the connecting arm (101b) comprises an opposite substrate (1013b) and a support plate (1015b), the substrate (1013b) and the earphone The main body (100b) is fixedly connected, the substrate (1013b) is rotatably connected to the positioning member (11b), and the support plate (1015b) is located between the substrate (1013b) and the positioning member (11b);

The elastic locking mechanism includes a second spring (18) limited between the base plate (1013b) and the support plate (1015b), the second spring (18) being compressed and provided to the support plate (1015b) ) an elastic force that is in close contact with the positioning surface (110b).
The head-mounted display according to claim 11, wherein a guide post is provided on one of the substrate (1013b) and the support plate (1015b), and a guide hole is provided on the other, the guide post is worn The second spring (18) is sleeved on the guiding post.
The head mounted display according to claim 11, wherein a first side wall (1014b) protrudes from the substrate (1013b), and the first side wall (1014b) extends out of the support plate (1015b) And being rotatably coupled to the positioning member (11b), the first side wall (1014b) is slidably engaged with the support plate (1015b).
The head mounted display according to claim 11, wherein a groove (10141b) is provided on the substrate (1013b), and the support plate (1015b) is concealed in the groove (10141b).
A head mounted display according to any one of claims 1 to 5, wherein the positioning member (11c) is fixed to the headband (12c), and the elastic locking mechanism comprises a third spring ( 23) and a third shaft (20) and a fourth shaft (21) that are sleeved together;

The positioning member (11c), the connecting arm (101c), the third shaft (20) and the fourth shaft (21) together constitute a four-bar structure including a moving pair, and the positioning member (11c) is a frame. The connecting arm (101c) and the fourth shaft (21) are connecting rods, the third shaft (20) is a connecting rod, and the third shaft (20) and the fourth shaft (21) are slidably connected to form the Mobile vice

The third spring (23) is configured to be compressed and provide the third shaft (20) and the fourth shaft (21) when the connecting arm (101c) is engaged with the positioning surface (110c) Axial Fixed elasticity.
The head mounted display according to claim 15, wherein the positioning member (11c) includes a second peripheral wall enclosing a hollow structure, and the at least two positioning faces are provided at one axial end of the second peripheral wall ( 110c),

Two opposite mounting holes (116c) are provided on the inner circumferential surface of the second peripheral wall, and the mounting holes (116c) are respectively protruded on both sides of the radial direction of the fourth shaft (21). a connecting shaft (22), the connecting shaft (22) is in clearance fit with the mounting hole (116c).
A head mounted display according to claim 15, wherein a third axial stop (24) is provided on said third shaft (20), said third spring (23) and said first The four shafts (21) are sleeved on the third shaft (20), and the third spring (23) is limited to the fourth shaft (21) and the third axial stop portion (24). between.
The head mounted display according to claim 17, wherein the positioning surface (110c) is configured to be capable of being aligned when the connecting arm (101c) is rotated to fit the positioning surface (110c) The connecting arm (101c) performs a circumferential stop;

The third spring (23) is configured to be compressed in the fourth shaft (21) and the third axial direction when the connecting arm (101c) is rotated to fit the positioning surface (110c) Between the stops (24) and preventing the connecting arm (101c) from rotating.
A head mounted display according to claim 17, wherein a fourth axial stop (25) is further provided on said third shaft (20), said fourth axial stop (25) ) is located on the side of the fourth shaft (21) axially away from the third axial stop (24).
The head mounted display according to claim 19, wherein said third shaft (20) is configured to be elastically clamped when said connecting arm (101c) is engaged with said positioning surface (110c) It is between the third spring (23) and the fourth axial stop (25).