Connector
Provided is a connector capable of smoothly performing floating while suppressing impedance mismatch. A receptacle unit of a connector includes: a fixed housing that is fixed to a substrate and has an opening portion penetrating through the fixed housing upward and downward; a floating housing accommodated in the opening portion of the fixed housing with a movable space and a movable space apart; and a plurality of contacts that are bridged between the fixed housing and the floating housing and have a support piece portion supported by the fixed housing, a support piece portion supported by the floating housing, and an elastically deformable elastic deformation portion interposed between these two support piece portions.
1. A connector comprising a receptacle unit mounted on a first substrate and a plug unit mounted on a second substrate and connected to the receptacle unit, the connector electrically connecting the first substrate and the second substrate by connecting the receptacle unit and the plug unit, wherein, the receptacle unit comprises:
a fixed housing that is fixed to a substrate and comprise an opening portion penetrating through the fixed housing upward and downward;
a floating housing accommodated in the opening portion of the fixed housing with a movable space apart; and
a plurality of contacts that are bridged between the fixed housing and the floating housing and comprise a first support piece portion supported by the fixed housing, a second support piece portion supported by the floating housing, and an elastically deformable elastic deformation portion interposed between these two support piece portions, the elastic deformation portion comprises:
two linear portions extending along wall portions of the fixed housing and the floating housing facing the movable space, and a flexible portion between upper ends of the two linear portions, the portions opposed to the flexible portion in the wall portions are curved following a shape of the flexible portion.
2. The connector according to claim 1 , wherein a bottom surface of the floating housing is provided with a conductive resin member.
3. The connector according to claim 2 , wherein the conductive resin member comprises a lower plate portion and a convex portion protruding upward from a center of the lower plate portion, and the convex portion is fitted in a groove provided on the bottom surface of the floating housing.
4. The connector according to claim 3 , wherein the lower plate portion has a shape in which four corners of a rectangular parallelepiped is protruded outward in a left-right direction, a pillar portion erecting upward is provided at a tip end of the portion protruded outward, the pillar portion is in contact with two contacts for ground in a left side column and two contacts for ground in a right-side column.
5. The connector according to claim 1 , wherein the contact comprises:
a terminal portion connected to the first support piece portion; and
a contact point portion connected to the second support piece portion,
the fixed housing comprises:
first wall portions opposed to each other so as to surround the opening portion,
the floating housing comprises:
a slot into which the plug unit is inserted, the floating housing is provided with a through hole penetrating from a bottom surface toward an inside of the slot, the contact is press-fitted into the fixed housing and the floating housing such that the contact point portion is protruded into the slot via the through hole and the elastic deformation portion is accommodated in the movable space.
6. The connector according to claim 5 , wherein holders are provided at end portions on a front side and a rear side of an outer surface of the first wall portion, and an anchor plate is mounted on the holder.
7. The connector according to claim 5 , wherein a plurality of first slits are provided in the first wall portions, the first support piece portion of the contact is accommodated and supported in the first slit.
8. The connector according to claim 7 , wherein the floating housing comprises second wall portions constituting an inner circumferential surface of the slot, and the second wall portions are provided with a plurality of second slits, the second support piece portion of the contact is accommodated and supported in the second slit.
9. The connector according to claim 8 , wherein the contacts in each column are arranged in such an arrangement order that two contacts for ground and two contacts for signal are taken as one group, and the two contacts for signal are accommodated between the two contacts for ground, a conductive resin member connecting the contacts for ground is fixed to a bottom portion of the floating housing.