| 摘要 |
A rapid coupler comprises a main body and an auxiliary coupler. The main body has a main tube and a coupling tube at the rear of the main tube. The auxiliary coupler has a retaining pipe and a coupling pipe in front of the retaining pipe. A first compression spring and an elastic plug are inserted in the main tube. A second compression spring and an elastic block are inserted in the retaining pipe. The main body couples with the auxiliary coupler.
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