Patent ID: 11969146
Assignee: HUNAN VATHIN MEDICAL INSTRUMENT CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A self-locking device of an endoscope, wherein the self-locking device comprises:
a housing; and
a toggle assembly, comprising a toggle support, an elastic support and a toggle handle, wherein
the toggle handle is connected to the toggle support; and
a shaft of the toggle support passes through the housing, and the shaft of the toggle support is connected to a first end of the elastic support;
wherein the toggle support is provided with a toggle lever and a friction piece; and a first end of the toggle lever is hinged to the toggle handle;
the toggle lever has an L-shaped cross section; the toggle lever is hinged to the toggle support through a first pin; and the toggle lever is rotatable around the first pin to push the friction piece to move; and
a second end of the toggle lever is provided with a fitting bump, and a first end of the friction piece is provided with a fitted bump; and the fitting bump and the fitted bump are fit with each other;
wherein the fitting bump and the fitted bump each have smooth curved surfaces; and
wherein the first end of the toggle lever and the toggle handle are hinged through a second pin; the first end of the toggle lever is provided with a long oval hole, wherein the first end of the toggle lever is a connecting end; and the second pin passes through the long oval hole to be fit with the toggle support.