Abstract: The present application provide a packaging box for a Virtual Reality (VR) device. The packaging box includes: a first box body having a top cover and a first sidewall; and a second box body having a bottom cover and a second sidewall, wherein the first sidewall has a second edge opposite to the first edge thereof, the second sidewall has a second edge opposite to the first edge thereof, and the second edge of the first sidewall and the second edge of the second sidewall are adapted to fit with each other so as to form the packaging space for the VR device, and wherein the first surface of the first box body has a fixing structure for fixing the wearable component provided thereon, and the first surface of the second box body has an accommodating structure for accommodating the device body provided thereon.

Abstract: A virtual reality lens barrel assembly, a virtual reality device and a control method, belonging to the field of virtual reality technology is provided. The virtual reality lens barrel assembly includes a lens, a blocking mechanism and a lens barrel, the lens and the blocking mechanism are both located outside a first opening of the lens barrel, and a second opening of the lens barrel is configured to place a display assembly; and the blocking mechanism includes a through hole with a variable size, and an optical axis of the lens passes through a center of the through hole and the first opening.

Abstract: A device for adjusting a distance between lens tube assemblies, a head-mounted display device and a step-wise adjustment mechanism are provided. The device for adjusting the distance between the lens tube assemblies includes: a guide shaft configured to mount two lens tube assemblies, with the two lens tube assemblies slidable toward or away from each other; a pair of racks respectively arranged on the two lens tube assemblies; a pair of dial gears, each of which includes a gear portion engaged with the rack and a dial portion configured to drive the gear portion to rotate under an external force; and a pair of dial gear shafts configured to mount the pair of dial gears to a housing of a head-mounted display device where the two lens tube assemblies are located, with the dial gear rotatable relative to the dial gear shaft.

Abstract: The present application provide a packaging box for a Virtual Reality (VR) device. The packaging box includes: a first box body having a top cover and a first sidewall; and a second box body having a bottom cover and a second sidewall, wherein the first sidewall has a second edge opposite to the first edge thereof, the second sidewall has a second edge opposite to the first edge thereof, and the second edge of the first sidewall and the second edge of the second sidewall are adapted to fit with each other so as to form the packaging space for the VR device, and wherein the first surface of the first box body has a fixing structure for fixing the wearable component provided thereon, and the first surface of the second box body has an accommodating structure for accommodating the device body provided thereon.

Abstract: A device for adjusting a distance between lens tube assemblies, a head-mounted display device and a step-wise adjustment mechanism are provided. The device for adjusting the distance between the lens tube assemblies includes: a guide shaft configured to mount two lens tube assemblies, with the two lens tube assemblies slidable toward or away from each other; a pair of racks respectively arranged on the two lens tube assemblies; a pair of dial gears, each of which includes a gear portion engaged with the rack and a dial portion configured to drive the gear portion to rotate under an external force; and a pair of dial gear shafts configured to mount the pair of dial gears to a housing of a head-mounted display device where the two lens tube assemblies are located, with the dial gear rotatable relative to the dial gear shaft.