CN105182533B - Head-mounted display - Google Patents

Abstract

The invention provides a head-mounted display, which can solve the storage problem of the earphone wire and the earphone main body in the prior art, and improve the convenience of using the head-mounted display. The head-mounted display includes a display device, a headband and earphones. The two ends of the headband are connected to the left and right sides of the display device for wearing by the user. The display device also includes a storage cavity, and the earphones can be It is stored in the storage cavity. The head-mounted display of the present invention is provided with a storage cavity, which facilitates the storage of the earphones without causing loss of the earphones, and greatly improves the convenience of use and the degree of humanized design of the head-mounted display.

Description

head mounted display

technical field

The invention relates to a virtual reality head-mounted display device, in particular to a head-mounted display capable of realizing the earphone storage function.

Background technique

Head Mount Display (Head Mount Display) is a device for displaying images and colors, usually in the form of a goggle or a helmet, which puts the display close to the user's eyes, and adjusts the focal length through the optical path to project images to the eyes at a close distance.

Head-mounted displays usually include a display device and a headband. The display device has a high-resolution liquid crystal display panel, usually called glasses because it is made into the shape of glasses, and is used to display the same (or different) video images to the left eye and right eye; the headband is used to connect the display device and wear the display device on the user's head and face.

With the strong momentum of the development of new smart head-mounted devices, some head-mounted displays on the market are no longer limited to the "view" function, but also cleverly add the ultimate experience of audio, and use them together with headphones to control the user's vision and auditory. However, since the earphone is a third-party accessory, the earphone and the head-mounted display are usually set separately, which brings certain inconvenience during and after use.

Contents of the invention

In view of this, it is necessary to provide a head-mounted display.

A head-mounted display, the head-mounted display includes a display device, a headband and earphones, the two ends of the headband are connected to the left and right sides of the display device for wearing by the user, the display device also includes a storage cavity , the earphone can be stored in the storage cavity.

Compared with the prior art, the head-mounted display provided by the present invention is provided with a storage cavity on the display device, which facilitates the storage of earphones, does not need to be equipped with earphones separately, and will not cause inconvenience when the earphones are taken and may be lost after use. Problems, greatly improving the convenience of use and the degree of humanized design of the head-mounted display.

Description of drawings

FIG. 1 is a perspective view of a first state of a head-mounted display provided by a first embodiment of the present invention;

Figure 2 is a front view, partly in section, of the embodiment shown in Figure 1;

Fig. 3 is the enlarged view shown in I place among Fig. 2;

4 is a perspective view of the second state of the head-mounted display provided by the first embodiment of the present invention;

Fig. 5 is a schematic diagram of the wearing state of the head-mounted display provided by the embodiment shown in Fig. 1;

Fig. 6 is a schematic diagram of the wearing state of the head-mounted display after the headband is rotated at a certain angle in Fig. 5;

Fig. 7 is a partial sectional view of the head-mounted display provided by the second embodiment of the present invention;

FIG. 8 is a structural schematic diagram of the head-mounted display shown in FIG. 7 during the process of placing the wireless earphone in the storage cavity;

9 is a partial cross-sectional view of a head-mounted display provided by a third embodiment of the present invention;

FIG. 10 is a partial cross-sectional view of a head-mounted display provided by a fourth embodiment of the present invention.

Detailed ways

The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

First, a brief description of the orientation words involved in the specific implementation is given: In this embodiment, the left and right sides of the head-mounted display are defined under the normal wearing state, that is, the side corresponding to the user's left ear is the left side, The side corresponding to the user's right ear is the right side.

Referring to FIG. 1 , FIG. 1 is a perspective view of the first state of the head-mounted display provided by the first embodiment of the present invention. The head-mounted display of this embodiment includes a display device 10, a headband 20, and an earphone 30. The display device 10 generally includes a casing 11, a display panel 14 (also called a display screen) fixed on the front side of the casing 11, and an internal uniform. The left and right lens barrels (located on the rear side of the casing 11, that is, the opposite side of the display panel 14, not shown in FIG. 1 due to the angle) provided with lenses are used to display the same (or different) video images To the left and right eyes; the headband 20 in this embodiment refers to a headband strap, and its two ends are connected with the left and right sides of the display device 10 for the user to wear. Further, the head-mounted display also includes a headband 40, one end of the headband 40 is connected to the headband 20, and the other end is connected to the casing 11 of the display device 10, so as to make the wearing more comfortable and firm.

Please refer to FIG. 2 and FIG. 3 at the same time. FIG. 2 is a front view with a partial section of the embodiment shown in FIG. 1 , and FIG. 3 is an enlarged view shown at III-III in FIG. 2 . In this embodiment, the display device 10 also includes two rotating shafts 13 corresponding to the two ends of the headband 20. The rotating shafts 13 are fixedly arranged in the display device 10, and one end thereof protrudes outside the casing 11 of the display device 10 for Connected with the end of the headband 20 , the headband 20 can be rotatably connected with the display device 10 around the rotating shaft 13 . Specifically, in this embodiment, the rotating shaft 13 is a protruding rib integrally formed with the housing 11 of the display device 10, and the two ends of the headband 20 have a connecting plate 21 made of plastic or metal, and the connecting plate 21 has one end of the rotating shaft 13 as The fulcrum is rotatably connected to the casing 10 of the display device. In this way, the angle at which it is worn on the head can be adjusted by rotating the headband 20, so as to avoid pressure on the ears due to long-term wearing and improve the user's wearing comfort, as shown in FIGS. 5 and 6 .

The display device 10 further includes a receiving cavity 12 disposed in the rotating shaft 13 and used for receiving the earphone 30 . Since the storage cavity 12 should be able to fully accommodate the earphone 30 as far as possible, and the earphone 30 has a certain thickness, the storage cavity 12 must have a certain depth. It can be ensured that the storage cavity 12 has sufficient depth to accommodate the earphone 30, and at the same time, it is convenient for the user to take and place it. The rotating shaft 13 is not only used as a storage place for the earphone 30, but also as a rotating shaft of the headband 20, so that the overall structure can be simplified.

For the receiving cavity 12, it includes a first cavity 121 and a second cavity 122, the second cavity 122 is located inside the first cavity 121, the first cavity 121 has an open end 1211 and a cavity bottom 1212, the second cavity The body 122 has an open end 1221 and a cavity bottom end 1222 , the open ends 1211 , 1221 face outward, and the open end 1221 of the second cavity body 122 is located on the cavity bottom end 1212 of the first cavity body 121 and communicates with the first cavity body 121 . When stored, the soft rubber earplug part of the earphone 30 is located in the second cavity 122 , and the hard shell part is located in the cavity 121 .

Further, the area of the bottom end 1222 of the second cavity 122 is larger than the area of the opening end 1221, that is, the inner end of the second cavity 122 is larger and the outer end is smaller, and the soft rubber earplug part of the earphone 30 is locked by its elastic deformation. In the second cavity 122 , the earphone 30 is integrally fixed in the receiving cavity 12 by the elastic force generated by its own elastic extrusion.

With the head-mounted display of this embodiment, when the earphone 30 needs to be used, it can be taken out from the storage cavity 12 for use, as shown in Figure 4; after use, it can be placed in the storage cavity 12 for storage, as shown in Figures 1 to 3 shown.

As for the earphone 30 , it can be a wireless earphone or a wire-controlled earphone. Usually, two earphones 30 are provided to correspond to the user's left ear and right ear respectively. Correspondingly, two storage chambers 12 are also provided correspondingly.

In this embodiment, the earphone 30 is preferably a wire-controlled earphone with an earphone wire 31, and the inner end of the earphone wire 31 is electrically connected to the earphone circuit inside the display device 10, so that the earphone 30 is integrated on the head-mounted display and integrated with the head-mounted display. The structure fundamentally solves the problem of earphone loss. In order to facilitate the storage of the earphone wire 31, a storage mechanism 50 for accommodating the earphone wire 31 is also arranged in the rotating shaft 13. The storage mechanism 50 includes a housing 51 and a telescopic part 52 that expands and contracts with the earphone wire 31. 52 is retracted and stored on the telescopic part 52, while the earphone 30 is stored in the storage cavity 12, and the housing 51 and the telescopic part 52 are provided with a limit assembly that cooperates with each other, for when the earphone cable 31 is pulled out to a required length During this time, the retraction of the earphone wire 31 is restricted, and the earphone wire 31 is temporarily fixed to keep the length so that the earphone 30 can be smoothly inserted into the ear.

In this embodiment, the telescopic part 52 is a coil spring 52, and a coil spring fixing shaft 53 is fixed inside the housing 51. The coil spring 52 is sleeved on the coil spring fixing shaft 53, and the inner end of the coil spring 52 is fixed on On the coil spring fixing shaft 53 , the earphone cable 31 is wound on the coil spring 52 . The coil spring can provide continuous rotation power in a small space, and to facilitate the winding of the earphone cable 31, it is preferably a leaf-shaped coil spring with a certain width. The pull-out and retraction of the earphone wire 31 is realized by the rotation stretching and retraction of the coil spring 52. In order to prevent the earphone wire 31 from detaching from the coil spring 52, preferably, a certain section of the earphone wire 31 is fixedly connected to the coil spring 52. In general, the closer the fixed connection position is to the center of the coil spring 52, the more earphone wires 31 can be wound as much as possible in a limited space. Of course, other elastic components that can be stretched and retracted in the mechanical field can also be selected, and no specific limitation is made here.

Further preferably, the limiting component is a limiting protrusion 521 provided on the coil spring 52 and a limiting groove 511 provided on the inner wall of the housing 51 . The limit protrusion 521 can be a circular or other shape protrusion, or a hook-shaped protrusion, and the limit groove 511 can be adapted to it. In this embodiment, the limit protrusion 521 is located near the coil spring 52. Outer end position, to prevent from affecting the normal coiling of coil spring 52.

The housing 51 of the storage mechanism can be a cylindrical shape with both ends closed, and an outer end opening 512 for the outer end of the earphone wire 31 to pass through and an inner end opening 513 for the inner end of the earphone wire 31 to pass through are provided on it. , the outer end opening 512 communicates with the storage cavity 12 .

Embodiment two

Please refer to FIG. 7 . FIG. 7 is a partial cross-sectional view of the head-mounted display provided by the second embodiment of the present invention. Different from Embodiment 1, the earphone in this embodiment is a wireless earphone 60 , and when not in use, the wireless earphone 60 can be stored in the storage cavity 12 . Since there is no earphone cable connection between the wireless earphone 60 and the display device 10 of the head-mounted display, compared with the wire-controlled earphone 30 in the first embodiment, when the wireless earphone 60 is stored in the storage cavity 12, it may be lost due to detachment from the storage cavity 12. possibility. In order to solve this problem, in this embodiment, a stopper 70 is provided at the opening end of the storage chamber 12, as shown in FIG. Block the wireless earphone 60 to prevent it from falling out of the storage cavity 12 .

Specifically, the stopper 70 can be made of elastic silicone or other soft rubber material, and is fixed on the casing 11 of the display device 10 by secondary injection molding. When the wireless earphone 60 is inserted into the storage cavity 12, the stopper 70 The member 70 is elastically deformed, referring to FIG. 8 , so that the wireless earphone 60 can be inserted into the storage cavity 12 smoothly. to prevent the wireless earphone 60 from accidentally falling out of the storage cavity 12 . Of course, the stopper 70 can also be a cover that is fastened to the opening of the storage cavity 12 or the like.

Embodiment Three

Please refer to FIG. 9 . FIG. 9 is a partial cross-sectional view of a head-mounted display provided by a third embodiment of the present invention. Different from Embodiment 1, the rotating shaft 13 in this embodiment is a component independent of the display device 10, and it is fixed on the housing 11 of the display device 10 through a buckle structure 80. The buckle structure 80 includes a The locking groove on the body 11 and the corresponding protrusion buckle provided on the rotating shaft 13 are inserted into the locking groove through the elastic deformation of the protrusion buckling so that the rotating shaft 13 is fixed on the display device 10 . By setting the rotating shaft 13 as a separate part, it is convenient to process when the storage cavity 12 is arranged on it; and when the structure of the head-mounted display is the same, the only difference is that the shape or size of the earphone is different, and there is no need to change the mold of the head-mounted display structure, only need to process a plurality of rotating shafts 13 with corresponding shapes and sizes of storage cavities according to the shapes and sizes of different earphones, thereby reducing mold and processing costs. Of course, the rotating shaft 13 in this embodiment may also be fixed on the casing 11 of the display device 10 by other fixing structures or fixing members, such as fixing by screws.

Embodiment Four

Please refer to FIG. 10 . FIG. 10 is a partial cross-sectional view of a head-mounted display provided by a fourth embodiment of the present invention. Different from the third embodiment, the earphone in this embodiment is a wireless earphone 60 , and when not in use, the wireless earphone 60 can be stored in the storage cavity 12 . Since there is no earphone cable connection between the wireless earphone 60 and the display device 10 of the head-mounted display, compared with the wire-controlled earphone 30 in the first embodiment, when the wireless earphone 60 is stored in the storage cavity 12, it may be lost due to detachment from the storage cavity 12. possibility. In order to solve this problem, in this embodiment, a stopper 70 is provided at the opening end of the storage chamber 12, as shown in FIG. Block the wireless earphone 60 to prevent it from falling out of the storage cavity 12 .

The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art can still understand the foregoing embodiments. Modifications are made to the technical solutions described, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions claimed in the present invention.

Claims (8)

1. A head-mounted display, the head-mounted display comprises a display device, a headband and an earphone, the headband is connected to the display device for wearing by the user, it is characterized in that the display device also includes a storage cavity, the earphone can be stored in the storage cavity; the display device also includes two rotating shafts corresponding to the two ends of the headband, the rotating shafts are fixed in the display device and the rotating shafts are independent In the display device, and one end of the rotating shaft protrudes out of the housing of the display device, and is used to connect with the end of the headband, and the headband can rotate around the rotating shaft so as to be compatible with the display device Rotational connection; the storage cavity is set at one end of the rotating shaft connected to the headband. 2. The head-mounted display according to claim 1, wherein the earphone is a wireless earphone. 3. The head-mounted display according to claim 2, wherein a stopper is provided at the opening end of the storage cavity. 4. The head-mounted display according to claim 1, wherein the earphone is a wire-controlled earphone with an earphone wire, and the end of the earphone wire far away from the earphone is connected to the circuit inside the display device; A storage mechanism for accommodating the earphone wire is also provided inside the rotating shaft. The accommodating mechanism includes a housing and a telescopic part that drives the telescopic part to expand and contract the earphone wire. On the telescopic part, the housing and the telescopic part are provided with a limit assembly that cooperates with each other, and is used to limit the retraction of the earphone cable when it is pulled out to a required length. 5. The head-mounted display according to claim 4, wherein the telescoping part is a coil spring, a coil spring fixing shaft is arranged in the housing, and the coil spring is sleeved on the coil spring fixing shaft , and its inner end is fixed on the fixed shaft of the coil spring, and the earphone wire is wound on the coil spring. 6 . The head-mounted display according to claim 5 , wherein the limiting component is a limiting protrusion provided on the coil spring and a limiting groove provided on the inner wall of the casing. 7 . 7. The head-mounted display according to claim 1, wherein the receiving cavity comprises a first cavity and a second cavity communicating with the first cavity, and the first cavity comprises a first The opening end, the bottom end of the first cavity and the first side connecting the first opening end and the bottom end of the first cavity, the second cavity has a second opening end, the bottom end of the second cavity and the first side connecting the first cavity Two open ends and the second side surface of the bottom end of the second cavity, the second open end is located on the bottom end of the first cavity. 8. The head-mounted display according to claim 7, wherein the area of the bottom end of the second cavity is larger than the area of the second opening end.