Weight-balancing assembly and vr head band with weight-balancing assembly

A virtual reality (VR) head band with a weight-balancing assembly, comprising a back pillow assembly and side straps, wherein the weight-balancing assembly is mounted on the back pillow assembly;

• and the weight-balancing assembly comprises:
• a weight-balancing box;
• a weight-balancing block;
• and
• a weight-balancing compartment cover, wherein one side of the weight-balancing box is sunken to form a weight-balancing compartment;
• the weight-balancing block is embedded in the weight-balancing compartment, to achieve weight balancing on a target device;
• the weight-balancing compartment cover is arranged on an outer side of the weight-balancing compartment and is opened and closed through a first locking member;
• the weight-balancing box has a fitting surface;
• and the fitting surface has a curved surface adapting to the back side of the head of a human body, and the weight-balancing compartment cover is located on the fitting surface with a bottom surface of the weight-balancing compartment cover being configured as part of the curved surface;
• wherein the weight-balancing box comprises a bottom shell and a cover shell;
• a bottom side of the bottom shell is sunken to form the weight-balancing compartment;
• the bottom shell and the cover shell are detachably connected to each other through a second locking member;
• and after the bottom shell is connected to the cover shell, the target device with a hollow groove is clamped to achieve mounting and connection to the target device;
• wherein the bottom shell comprises a panel, a bottom enclosing ring, and a compartment seat;
• the bottom enclosing ring is arranged at an upper end of the panel;
• the compartment seat is arranged on an inner side of the bottom enclosing ring;
• an inner side of the compartment seat is sunken to form the weight-balancing compartment;
• a bottom clamping portion is formed in a region, protruding out of the bottom enclosing ring, of the upper end of the panel;
• the cover shell comprises a surface cover and a top enclosing ring;
• the top enclosing ring is arranged on an inner side of the surface cover;
• and a top clamping portion is formed in a region of the surface cover protruding out of the top enclosing ring;
• wherein the back pillow assembly comprises a back pillow bracket and back pillow cotton;
• an upper end of the back pillow bracket is hollowed out to form a hollow groove;
• the bottom enclosing ring of the bottom shell is threaded out of the hollow groove and is mounted and connected to the cover shell;
• the bottom clamping portion of the bottom shell and the top clamping portion of the cover shell clamp the back pillow bracket;
• and the back pillow cotton is arranged on an inner side of the back pillow bracket;
• and
• wherein the weight-balancing compartment has an opening, the fitting surface is on the bottom shell surrounding the opening, and the weight-balancing compartment cover is detachably inserted in the opening with the bottom surface of the weight-balancing compartment cover substantially smooth with the fitting surface.