The utility model realizes the self-lock of the screw thread, or improves the self-lock performance of the screw thread.

本实用新型实现了螺纹自锁，或改善了螺纹的自锁性能。

youdao

Electrical life: 50000primary Characteristic: cross current single velocity switch, which contain self-lock, or no self-lock.

电器寿命：50000主要特征：交流单速开关，带自锁或无自锁。

youdao

The anodized aluminum cup stores a flip-out tripod stand, gas canister and self-igniting burner that all lock securely into each other (and weigh in at roughly one pound).

WSJ: A Coffee Press for Campers

Even the lock screen is self-explanatory -- it's depicted as a light switch.

ENGADGET: Pantech Flex review Mobile