Focusing structure of stage lamp

Abstract

The invention discloses a focusing structure of a stage lamp. The focusing structure comprises a fixed platform, a movable platform and at least two guiding rods, one ends of the guiding rods are connected with the fixed platform, the movable platform is in sliding connection with the guiding rods, the focusing structure further comprises supports same as the guiding rods in number, the lower ends of the supports are fixedly arranged on the fixed platform, first fixed positions are arranged at the upper ends of the supports, through holes are formed in the first fixed positions, and the guiding rods are arranged in the through holes and are in clearance fit with the through holes; as the supports are additionally arranged and are in clearance fit with the guiding rods, the guiding rods can swing relative to the supports, operation blocking and unsmooth operation caused by machining or assembling errors are avoided, the movable platform cannot smoothly move vertically during focusing, and the stability of a focusing system is strengthened.

Description

technical field [0001] The invention relates to the technical field of stage lights, in particular to a focusing structure for stage lights. Background technique [0002] In the field of stage lighting, in order to shape stage lighting with special effects, it is often necessary to use stage lamps and set several optical components in the stage lamps. Especially for beam lamps, etc., the lamps that need to adjust the beam often need to adjust the distance of the beam during use to achieve the best light and shadow effect, and the adjustment of the beam is through the focusing system inside the lamp Realization, in the prior art, the focusing device is fixed by two guide pillars, and the focusing device can slide up and down along the two guide pillars, so as to realize focusing, and the upper and lower ends of the guide rods will be fixed, but in the actual operation process, the installation The platform with focusing mirror and other components will swing and tilt, which ...

AI Technical Summary

Problems solved by technology

Especially for beam lamps, etc., the lamps that need to adjust the beam often need to adjust the distance of the beam during use to achieve the best light and shadow effect, and the adjustment of the beam is through the focusing system inside the lamp Realization, in the prior art, the focusing device is fixed by two guide pillars, and the focusing device can slide up and down along the two guide pillars, so as to realize focusing, and the upper and lower ends of the guide rods will be fixed, but in the actual operation process, the installation The platform with focusing mirror and other components will swing and tilt, which will cause the platform to not move up and down smoothly along the guide column, which will affect the light effect; if the slide rail is used, the cost is high and the structure is large, which is not conducive to the miniaturization of the lamp body

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