Patent ID: 8348480

Claim:
An adjustable structure for lamp stand, comprising: a base, wherein a standard bar is fitted to an upper portion of the base, and a swivel mount is fitted to an upper portion of the standard bar, the swivel mount assumes an inclined disposition, and is provided with an upper hole mount and a lower hole mount; a first bar support, wherein a lower end of the first bar support is provided with an inner hole to enable an U-shaped clamping piece to penetrate into an interior of the first bar support through the inner hole, after which screw is used to fixedly lock the U-shaped clamping piece; a bottom end of the U-shaped clamping piece is provided with a transverse through hole, an abrasion resistant copper collar is mounted in an interior of the transverse through hole, and a first bolt penetrates an interior of the abrasion resistant copper collar, whereupon the first bolt is used to pin connect to the upper hole mount of the swivel mount; a telescopic link, wherein the telescopic link is an oil pressure type telescopic link, a bottom end of the telescopic link is provided with a through hole, and a second bolt is mounted in an interior of the through hole, a screw hole is formed in each of the two ends of the second bolt, and the second bolt is used to pin connect to the lower hole mount of the swivel mount; a second bar support, wherein the second bar support is pin connected to upper ends of the first bar support and the telescopic link, when the second bar support is swinging relative to the first bar support, then the telescopic link supplements support of the second bar support; moreover, a bolt portion fitted at an end of the second bar support; a lamp swivel component, wherein the lamp swivel component is pivotally disposed on the bolt portion of the second bar support, and another end of the lamp swivel component is fitted with a lamp fitting; accordingly, linkage of said components enables free angular adjustment and positioning of the lamp fitting.