Assembly of plug-in connector component, and plug-in connector component and system

A plug-in connector component, comprising:

• an assembly of the plug-in connector component, the assembly comprising:
• an insulator, the insulator being made of an electrically insulating material, the insulator comprising:
• a plug-in section, the plug-in section being able to be plug-connected in a plug-in direction with a mating plug-in section of an insulator of an assembly of a mating plug-in connector component, the plug-in section being provided with a through hole for accommodating a contact;
• and
• a grounding element mounting section, the grounding element mounting section extending from the plug-in section in a direction opposite to the plug-in direction, the grounding element mounting section including a side wall and at least one opening on the side wall, the opening communicating an inner side and an outer side of the side wall;
• a grounding element, the grounding element being mounted in the grounding element mounting section and comprising a grounding element body and a housing contact portion provided at an end of the grounding element body, the grounding element body being provided at the inner side of the side wall of the grounding element mounting section, and the housing contact portion being provided on the outer side of the side wall through the opening;
• and
• a contact piece, the contact piece comprising a contact piece mounting portion and a contact extending from the contact piece mounting portion in the plug-in direction, the contact piece mounting portion mounting the contact piece to the insulator, and the contact extending into the through hole of the plug-in section;
• and
• a housing, the housing including an inner space for mounting the insulator, and the housing contact portion of the grounding element being in ground contact with the housing.

A plug-in connector system, comprising a first plug-in connector component and a mating second plug-in connector component in plug-in connection, wherein the first plug-in connector component and the mating second plug-in connector component respectively include:

• an assembly of the plug-in connector component, the assembly comprising:
• an insulator, the insulator being made of an electrically insulating material, the insulator comprising:
• a plug-in section, which can be plug-connected in a plug-in direction with a mating plug-in section of an insulator of an assembly of another mating plug-in connector component, the plug-in section being provided with a through hole for accommodating a contact;
• and
• a grounding element mounting section, the grounding element mounting section extending from the plug-in section in a direction opposite to the plug-in direction, the grounding element mounting section including a side wall and at least one opening on the side wall, the opening communicating an inner side and an outer side of the side wall;
• a grounding element, mounted in the grounding element mounting section and comprising a grounding element body and a housing contact portion provided at an end of the grounding element body, the grounding element body being provided at the inner side of the side wall of the grounding element mounting section, and the housing contact portion is provided on the outer side of the side wall through the opening;
• a contact piece, comprising a contact piece mounting portion and a contact extending from the contact piece mounting portion in the plug-in direction, the contact piece mounting portion mounting the contact piece to the insulator, and the contact extending into the through hole of the plug-in section;
• and
• a housing, including an inner space for mounting the insulator, and the housing contact portion of the grounding element being in ground contact with the housing.

A method for mounting an assembly of a plug-in connector component, the assembly of a plug-in connector component including:

• an insulator, the insulator being made of an electrically insulating material, the insulator comprising:
• a plug-in section, the plug-in section being able to be plug-connected in a plug-in direction with a mating plug-in section of an insulator of an assembly of a mating plug-in connector component, the plug-in section being provided with a through hole for accommodating a contact;
• and
• a grounding element mounting section, the grounding element mounting section extending from the plug-in section in a direction opposite to the plug-in direction, the grounding element mounting section including a side wall and at least one opening on the side wall, the opening communicating an inner side and an outer side of the side wall;
• a grounding element, the grounding element being mounted in the grounding element mounting section and comprising a grounding element body and a housing contact portion provided at an end of the grounding element body, the grounding element body being provided at the inner side of the side wall of the grounding element mounting section, and the housing contact portion being provided on the outer side of the side wall through the opening;
• and
• a contact piece, the contact piece comprising a contact piece mounting portion and a contact extending from the contact piece mounting portion in the plug-in direction, the contact piece mounting portion mounting the contact piece to the insulator, and the contact extending into the through hole of the plug-in section, the method comprising:
• mounting the grounding element in the grounding element mounting section of the insulator of the assembly, wherein the grounding element body of the grounding element is provided at the inner side of the side wall of the grounding element mounting section, and a-the housing contact portion of the grounding element is provided on the outer side of the side wall through the opening provided on the side wall;
• fixing a contact on an inner side of a mounting plate through a contact fixing portion;
• and
• mounting the contact piece mounting portion on the contact piece mounting section through the mounting plate so that the contact extends into the through hole the plug-in section of the insulator.