| 摘要 |
<p>A collar (20) for an electrical connector (30) is provided, wherein the collar is adapted to be pressed into a through hole (31) in a housing (33) of an electrical connector, the collar comprising: a base (21) defining an opening for receiving a fastening element (10); and retention means (24, 25) disposed in the path of insertion of a fastening element and engageable by the fastening element on insertion such that the fastening element causes the retention means to move in order to allow the fastening element to be inserted in a first direction through the opening in the collar but to prevent the retraction of the fastening element from the collar in a second direction opposite to the first. A fastening element for an electrical connector is also provided, comprising a shaft portion (11, 51) including a shoulder portion (15, 55) adapted to abut a retention means (25a) of a collar when inserted into the collar and to move the retention means on insertion. A securing mechanism for an electrical connector is also provided, the securing mechanism comprising the aforementioned collar and aforementioned fastening element. An electrical connector is further provided comprising: an electrical contact section for electrically mating with another electrical connector; and a mechanical locking means comprising the aforementioned collar and the aforementioned fastening element.
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