This application is a national phase of International Application No. PCT/CN2018/124599, titled “HEAD-MOUNTED DISPLAY DEVICE”, filed on Dec. 28, 2018, which claims the priority to Chinese patent application No. 201811139880.5, titled “HEAD-MOUNTED DISPLAY DEVICE”, filed with the China National Intellectual Property Administration on Sep. 28, 2018, both of which applications are incorporated herein in their entireties by this reference.

FIELD

The present application relates to the technical field of wearable devices, and more particularly to a head-mounted display device.

BACKGROUND

With the continuous development of VR (virtual reality) and AR (augmented reality) technologies, various VR/AR head-mounted display devices have been put on market one after another.

In order to improve the user experience, the quality of the main body with eyepieces has become an important indicator of the user experience. In the prior art, in order to fix the head-mounted display device on the head of the user, the head-mounted display device generally includes a main body and head-wearing components such as straps. As the internal components of the main body become more complex and precise, the head-mounted display device is generally cumbersome, and after the user finishes using it, the head-mounted display device occupies a large space and is not convenient for storage and collection. Besides, after the user finishes using it, external light can easily cause burns to the display screen inside the main body.

In summary, a problem worthy of consideration by those skilled in the art is how to store the head-mounted display device in a convenient and fast way.

SUMMARY

An object of the present application is to provide a head-mounted display device, which can achieve convenient and fast storage and helps to improve the service life of the head-mounted display device.

In order to achieve the above object, the head-mounted display device according to the present application includes a main body with eyepieces and an adjustment assembly with a shielding portion. The adjustment assembly is connected to the main body, and the adjustment assembly is configured to adjust a positional relationship between the shielding portion and the main body.

In a case that the adjustment assembly is in a first working state, the shielding portion is far away from the main body to achieve the head-wearing function.

In the case that the adjustment assembly is in a second working state, the shielding portion is close to the main body to prevent light from irradiating the eyepieces.

Preferably, the adjustment assembly further includes a deformable connecting portion configured to connect the main body with the shielding portion.

Preferably, the adjustment assembly further includes a connecting rod group configured to connect the main body with the shielding portion.

Preferably, two ends of the connecting rod group are respectively hinged to the main body and the shielding portion, and the connecting rod group includes at least two connecting rods, and two adjacent connecting rods are hinged to each other.

Preferably, one of the mutually articulated pair, that is, the pair of the connecting rod group and the main body, the pair of the connecting rod group and the shielding portion, and the pair of the two adjacent connecting rods, is provided with an extension arm, and the other of the mutually articulated pair is provided with a receiving groove configured to receive the extension arm and position-limiting holes penetrating through two sides of the receiving groove. The extension arm is provided with a through hole penetrating through two sides of the extension arm.

The head-mounted display device further includes a rotating shaft configured to penetrate through the through hole and the two position-limiting holes, and a fastening portion is configured to lock with the rotating shaft, so as to fix two ends of the rotating shaft relative to the two position-limiting holes.

Preferably, all the connecting rods are arc-shaped rods; and/or, the shielding portion is arc-shaped.

Preferably, the head-mounted display device further includes a damping component sleeved on the rotating shaft and configured to abut against a set of adjacent side walls of the extension arm and the receiving groove.

Preferably, a position-limiting structure is provided between two fitting side walls of the extension arm and the receiving groove, the position-limiting structure and the damping component are respectively located on two sides of the receiving groove, and the position-limiting structure is configured to keep the extension arm and the receiving groove at the current position after the extension arm and the receiving groove are rotated relative to each other.

Preferably, the shielding portion is provided with an energy supply component configured to provide electric energy to the main body.

Preferably, the head-mounted display device further includes elastic wearing portions arranged between the main body and the shielding portion and configured to be tightened on two sides of the head.

Preferably, an adjusting device is further provided between the main body and each elastic wearing portion, and the adjusting device is configured to adjust a distance between the elastic wearing portion and the main body.

Preferably, the adjusting device includes a body portion provided on the main body, and further includes a sliding rail provided on the body portion and configured to move away from or close to the main body. The sliding rail is connected with the elastic wearing portion.

With respect to the above background technology, in the head-mounted display device according to the present application, the adjustment assembly is connected with the main body, and the positional relationship between the adjustment assembly and the main body is adjustable. The adjustment assembly includes the shielding portion, which means that, when the positional relationship between the adjustment assembly and the main body changes, the positional relationship between the shielding portion and the main body changes accordingly. To be specific, in a case that the adjustment assembly is in the first working state, the shielding portion is far away from the main body, and the shielding portion is configured to achieve head wearing; in a case that the adjustment assembly is in the second working state, the shielding portion is close to the main body, and the shielding portion is configured to prevent light from irradiating the eyepieces of the main body. In short, when the adjustment assembly is in the above different states, the positional relationships of the adjustment assembly with respect to the main body are different, so that the shielding portion has different functions, that is, head wearing and light shielding. In other words, by changing the positional relationship of the adjustment assembly with respect to the main body, the adjustment assembly can be in different working states, that is, two different functions of the shielding portion can be realized. While the shielding portion satisfies the head-wearing function in the conventional technology, by changing the positional relationship of the adjustment assembly with respect to the main body, the shielding portion is further provided with the function of light shielding and preventing burns to the display screen located inside the main body caused by irradiation of light on the eyepieces. With this arrangement, after the user has finished using it, by changing the positional relationship of the adjustment assembly with respect to the main body, the shielding portion can block the light, so as to avoid burns to the internal components of the main body due to irradiation of the light on the main body. Therefore, the head-mounted display device can be stored conveniently and quickly, which avoids the reduction of the service life of the head-mounted display device to a certain extent.

