Head size adjusting device of head lamp

• Main Authors: WANG LIJUN, YAO LAI, WANG XIANGHUAI
• Format: Patent
• Language: Chinese; English
• Published: 12.07.2024
• Subjects: BLASTING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; LIGHTING; MECHANICAL ENGINEERING; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; WEAPONS

The utility model relates to the field of head lamps, in particular to a head size adjusting device of a head lamp. Comprising a mounting base, straps are connected to the two sides of the mounting base, the straps are sleeved with telescopic structures, each telescopic structure comprises a shell, telescopic holes are formed in the two side walls of the shell, a mounting block is mounted on the inner wall of the bottom of the shell and is of a rectangular structure, and a rotating shaft is mounted in the center of the top of the mounting block; according to the embodiment, the strap on the rotating shaft is driven by the motor to rotate, the strap is stretched or shortened through rotation of the motor in different directions, the size and tightness of the strap can be adjusted more flexibly and conveniently, and the strap is not prone to falling off. The device is suitable for the head circumference of different workers, the use limitation of the device is reduced, and the flexibility and compatibility of t