| 摘要 |
The invention relates to a releasable plug connection, for inserting a nozzle tube (2) into a jack (1), consisting of a hollow cylinder (3) and a sleeve (6) displaceably mounted on said cylinder. To this end, the nozzle tube (2) is provided with radially spring-loaded lugs (20), the free ends of which are in contact with a locking surface (10a). The locking surface is formed on a flange (10) of the sleeve (6) which can slide relative to the hollow cylinder (3) against the force of a spring (24). For releasing the connection, the sleeve (6) is pushed back so that the lugs (20) slide along a truncated cone (14) on the hollow cylinder (3) and are pushed inwardly in the process. As a result, the ends of the lugs (20) slide from the locking surface (10a). As soon as the lug ends have left the locking surface (10a), the nozzle tube (2) shoots from the jack (1) under the action of the spring (24).
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