Anti-drop replaceable lens and endoscope
By using an anti-loosening nut and a fixing nut between the endoscope lens and the replaceable lens, and by using an elastic element to restrict the rotation of the nut, the problem of lens detachment is solved, and a stable lens connection is achieved.
CN116449552BActive Publication Date: 2026-06-12ZHONGKE INTELLIGENT (WUXI) TECH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ZHONGKE INTELLIGENT (WUXI) TECH CO LTD
- Filing Date
- 2023-03-23
- Publication Date
- 2026-06-12
AI Technical Summary
⚠Technical Problem
The replaceable lenses of existing endoscopes are prone to detachment, resulting in significant losses, especially in critical equipment.
⚗Method used
The lens is prevented from falling off by using a combination of an anti-loosening nut and a fixing nut, with the rotation of the fixing nut restricted by an elastic element.
🎯Benefits of technology
It effectively prevents the lens from falling off due to the rotation of the nut during use, and has a reasonable structural design and is easy to operate.
✦ Generated by Eureka AI based on patent content.
Smart Images

Figure CN116449552B_ABST
Abstract
The application provides a detachable replaceable lens and a endoscope, which comprises an endoscope head, a replaceable lens, a fixing nut and an anti-detaching nut, wherein the replaceable lens is inserted into the endoscope head; the replaceable lens and the endoscope head are locked by the fixing nut; the anti-detaching nut is sleeved on the endoscope head and limits the rotation of the fixing nut. The application has a clever structure, a reasonable design and is convenient to operate. The application sets the anti-detaching nut to cooperate with the fixing nut, so that the replaceable lens is prevented from falling off due to the unlimited rotation of the fixing nut.
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