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Lens displacement device

A technology for lens actuation and moving parts, which is applied in projection devices, printing devices, focusing devices, etc. It can solve the problems of difficult assembly of lens actuation devices and achieve the effect of easy assembly

Inactive Publication Date: 2013-10-30
WAH HONG INDAL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a lens actuating device, which can improve the problem that the existing lens actuating device is difficult to assemble

Method used

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  • Lens displacement device
  • Lens displacement device

Examples

Experimental program
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Effect test

no. 1 example

[0054] see Figure 1 to Figure 3 As shown, the present invention provides a lens actuating device, including a fixed part 1, a moving part 2, a driving unit 3, at least one rolling shaft 4 that can roll along the optical axis direction, a position sensing element 5 and a Lateral traction element 6.

[0055] The fixing part 1 has a guiding part 11 disposed on a side of the fixing part 1 for guiding the rolling direction of the at least one rolling shaft 4 . The guiding part 11 can be at least one plane or at least one protruding strip parallel to the moving direction of the moving part 2 . In this embodiment, the guiding part 11 is two protruding strips parallel to the moving direction of the moving part 2 . The at least one rolling shaft 4 abuts against the guiding portion 11 . The outer side of the guide portion 11 has four limiting grooves 12 opposite to each other, which are used to limit the moving range of the rolling shaft 4 . In this embodiment, the limiting groove 1...

no. 2 example

[0067] see Figure 4 to Figure 6 As shown, the difference between this embodiment and the first embodiment is that the fixing part 1 does not have a limiting groove 12, and the guiding part 11 of the fixing part 1 is two planes parallel to the moving direction of the moving part 2, and the at least A rolling shaft 4 abuts against the guiding portion 11 .

[0068] The at least one magnet 31 of the driving unit 3 is selected as one, and is fixed on the moving part 2 facing the direction of the coil 32 .

[0069] The extension portion 22 includes a connecting plate 224 and two wing plates 225 . One end of the connecting plate 224 is connected to the base portion 21 , and the other end of the connecting plate 224 extends out from the two wing plates 225 to both sides. A penetrating plate 226 extends vertically from the ends of the two wing plates 225 towards the base 21 . The two piercing plates 226 each have two piercing holes 223 , and the connecting plate 224 has a piercing g...

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PUM

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Abstract

The invention provides a lens displacement device, comprising a fixed member, a movable member, a driving unit for providing a driving force for the movable member and at least one rolling shaft which roll along an optical axis. The fixed member is provided with a leading portion, the movable member is arranged on the fixed member, the driving unit is arranged between the fixed member and the movable member, the axis line direction of the rolling shaft is vertical to the moving direction of the movable member, and the at least one rolling shaft is arranged between the movable member and the leading portion in a rolling manner. Thereby, the problem that the lens displacement device is not easy to assemble is solved.

Description

technical field [0001] The invention relates to an actuating device, in particular to a lens actuating device for driving an optical lens group. Background technique [0002] The existing camera lens actuation module uses a magnetic body and a conductive coil to be respectively arranged on the lens module and the base. A driving force is generated in the direction of the optical axis to drive the lens module to move in focus. As the "optical device" disclosed in Taiwan Patent No. I343165, it has a lens, a coil positioned on one side of the lens, and a magnetic body, and a guide rod is arranged between the lens and the coil, and the lens is guided by the guide rod The guide and the driving force provided by the coil and the magnetic body move forward and backward in the direction of the optical axis. However, radial arrangement of the coil and the magnetic body in this way will occupy a large space. [0003] Therefore, a lens actuating device with a coil and a magnetic bod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/04
CPCG02B7/102G03B3/10G03B13/36G03B17/12H04N23/55H04N23/54
Inventor 郭利德卓英吉胥伟文连志如
Owner WAH HONG INDAL CORP