Patent ID: 11874472
Assignee: SHENZHEN WEIMEITE TECHNOLOGY CO., LTD.
Field: Optics (Instruments)
Classification: CPC G  F | IPC F  G

Claim 0:
1. An adjustable headband for virtual reality glasses, comprising:
a housing;
a telescoping band;
a drive portion; and
a control portion;
wherein the housing is configured to fix and support the telescoping band, the drive portion and the control portion;
the telescoping band is configured to fix the virtual reality glasses to a head portion of a user;
the drive portion is configured to adjust a telescoping length of the telescoping band;
the control portion is configured to control the drive portion to operate;
the drive portion comprises a first transmission component, a first elastic component, and a second transmission component; the control portion is configured to drive the first transmission component; the first transmission component is configured to drive the second transmission component; the second transmission component is configured to drive the telescoping band; and
the first elastic component is configured to control a drive connection between the first transmission component and the control portion;
the control portion comprises a pressing component and a rotating component, the pressing component is configured to control a connection state between the first transmission gear and the control portion, and the rotating component is configured to drive the first transmission gear to rotate;
the rotating component comprises a rotating body, an internal gear, a ratchet wheel, and a pawl ring; the internal gear and the ratchet wheel are disposed on the rotating body, the rotating body is fixed to the pressing component, the rotating body is configured to drive the internal gear and the ratchet wheel to rotate;
the internal gear is meshed with the first transmission gear;
the pawl ring comprises a ring body and ring hooks, a first end of each of the ring hooks is fixed to an inner surface of the ring body, a second end of each of the ring hooks is spaced apart with the ring body and is capable of elastically deforming with respect to the ring body, the pawl ring is fixed on the housing; and
the ratchet wheel is meshed with the pawl ring, to allow the rotating body to rotate in a single direction.