Zoom lens module

Abstract

The present invention relates to a zoom lens module, comprising an internal barrel, a lens barrel, a straight line type lens barrel, a shutter connected with the straight line type lens barrel, and a lens group module, wherein the internal barrel comprises an annular wall and a first movable groove, the first movable groove is arranged on the annular wall and comprises a positioning section, a telescoping section and a compensating section which are successively connected, the compensating section is a non-linear curve; the lens barrel comprises a first surface, a second surface, a second movable groove, a third movable groove and a fourth movable groove, the third movable groove and the fourth movable groove are arranged on the first surface, the second movable groove is arranged on the second surface, the lens barrel is connected with the internal barrel, the straight line type lens barrel is connected with the internal barrel and moves on the positioning section, the telescoping section and the compensating section of the first movable groove, and the lens group module is movably connected with the movable grooves on the lens barrel.

Description

technical field [0001] The invention relates to a lens module, in particular to a high-magnification zoom lens module. Background technique [0002] The existing zoom lens module includes an inner barrel, a straight-forward barrel, a lens barrel, a first mirror group and a second mirror group. The inner barrel includes an annular wall and a first moving groove, and the first moving groove is arranged on the annular wall. And it includes a positioning section, a telescopic section and a compensation section, the positioning section, the telescopic section and the compensation section are connected in sequence, and the telescopic section is an oblique straight line to provide the expansion and contraction of the mirror group, while the compensation section is a horizontal linear line segment to provide the horizontal movement of the mirror group , the lens barrel is connected to the straight-forward barrel and the inner barrel, the first lens group and the second lens group ar...

AI Technical Summary

Problems solved by technology

[0003] Because the zoom factor required by the zoom lens module is getting larger and larger, it is necessary to increase the lens group. If the structure of the existing zoom lens module is used to design a high-magnification zoom lens module, the third lens group must be added. At the same time, due to the new The third mirror group must also be additionally provided with a lens barrel for accommodating the third mirror group to provide relative movement between the third mirror group and the first mirror group and the second mirror group. Therefore, with the existing zoom lens module Designing a high-magnification zoom lens module with a structure will increase the volume of the zoom lens module and higher material costs

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