Zoom lens high-precision focusing structure
By integrating the zoom mirror body and the motor body into an integrated module, focusing is achieved by using the relative movement of the rotor assembly and the stator assembly, the focus accuracy problem caused by the gear set in the prior art is solved, and high-precision and fast focus effect are achieved.
CN222672026UActive Publication Date: 2025-03-25SHENZHEN SANJIE MICRO CONTROL IND CO LTD
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Patent Information
- Application Number
- CN202421498291.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-27
AI Technical Summary
Technical Problem
In the existing zoom mirror focusing scheme, the combination of motor external and gear transmission results in wear, machining errors and fitting gaps of mechanical parts, affecting the focus accuracy.
Method used
The zoom mirror body and the motor body are integrated into an integrated module, and the focus function is achieved through the relative movement of the rotor assembly and the stator assembly to avoid the backhaul gap problem caused by the gear set.
Benefits of technology
The focus response is achieved quickly and the time is short, and the focus accuracy is improved overall, avoiding wear and accuracy problems caused by the gear set.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model is applicable to the technical field of ultrasonic motors, and provides a zoom lens high-precision focusing structure, which comprises a zoom lens main body and a motor main body arranged on the zoom lens main body, the motor main body is of an annular structure and is arranged around the zoom lens main body, and the motor main body comprises a mounting seat. An encoder, a rotor assembly and a stator assembly are sequentially arranged in the mounting seat, the rotor assembly is connected with a lens barrel of the zoom lens main body, and the mounting seat is connected with a driving circuit board for driving the rotor assembly and the stator assembly to realize relative rotation; the zoom lens main body and the motor main body are integrated into the integrated module, and the zoom lens main body realizes the focusing function through the relative movement of the rotor assembly and the stator assembly, so that the problem of backlash caused by the adoption of a gear set in the prior art is avoided, the focusing response is fast, the focusing time is short, and the focusing precision is integrally improved.
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