Connector for high-speed transmission
A high-speed transmission connector includes a connector housing with a slot, upper and lower plate portions facing each other across the slot, first and second contact rows arranged face to face with each other within the connector housing, first and second caps supported in a hole of the upper plate portion and the lower plate portion, respectively. Each contact of the first and second contact row includes a receiving portion to receive a header of an external communication device. The receiving portion includes a receiving tip end portion facing an insertion side of the header and a curved portion extending from a rear end of the receiving tip end portion and bent in an arch shape.
1. A high-speed transmission connector, comprising:
a connector housing that comprises a slot into which a header of an external communication device is fitted, and an upper plate portion and a lower plate portion facing each other with the slot sandwiched therebetween, and is provided with holes opened on the slot side in the upper plate portion and the lower plate portion;
a first contact row arranged within the connector housing;
a second contact row arranged face to face with the first contact row within the connector housing;
a first cap supported in the hole of the upper plate portion by making a portion project to the slot side; and
a second cap supported in the hole of the lower plate portion by making a portion project to the slot side, wherein each contact of the first contact row and the second contact row comprises a receiving portion that receives the header, and the receiving portion comprises a receiving tip end portion facing an insertion side of the header and positioned at a certain angle with respect to a surface of the header, and a curved portion extending from a rear end of the receiving tip end portion and bent in an arch shape,
an accommodation space accommodating at least a portion of the receiving tip end portion is provided in a wall surface on a side where the contacts are located in the first cap and the second cap,
the receiving tip end portion of each contact in the first contact row is in contact with the wall surface within the accommodation space of the first cap or faces the wall surface through a gap,
the receiving tip end portion of each contact in the second contact row is in contact with the wall surface within the accommodation space of the second cap or faces the wall surface through a gap.
2. The high-speed transmission connector according to claim 1 , wherein a length of the receiving tip end portion is 0.3 to 1 time as long as a length of the curved portion.
3. The high-speed transmission connector according to claim 1 , wherein tapered surfaces inclined relative to a fitting direction are provided on surfaces of the first cap and the second cap on a side where the header is fitted.
4. The high-speed transmission connector according to claim 1 , wherein wall surfaces of the accommodation spaces in the first cap and the second cap with which the receiving tip end portions of the first and second contact rows are in contact with or face are inclined with respect to the fitting direction.
5. The high-speed transmission connector according to claim 1 , wherein an elastic member that urges the first cap is provided within the hole of the upper plate portion, an elastic member that urges the second cap is provided within the hole of the lower plate portion, a cap stopper that stops the first cap is provided in an inner peripheral wall of the hole of the upper plate portion on an opposite side to a side where the elastic member is located, a cap stopper that stops the second cap is provided in an inner peripheral wall of the hole of the lower plate portion on an opposite side to a side where the elastic member is located.
6. The high-speed transmission connector according to claim 1 , wherein signal electrodes and ground electrodes are arranged on uppermost and lowermost surfaces of the header, a first concave portion is provided at a position corresponding to the signal electrode on a lower surface of the first cap,
a second concave portion is provided at a position corresponding to the signal electrode on an upper surface of the second cap.
7. The high-speed transmission connector according to claim 1 , wherein
each contact in the first contact row comprises:
a first linear portion extending from a rear end of the receiving portion, a second linear portion extending rearward from the first linear portion, and a third linear portion extending downward from the second linear portion,
each contact in the second contact row comprises:
a fourth linear portion extending from a rear end of the receiving portion, a fifth linear portion extending rearward from the fourth linear portion, and a sixth linear portion extending downward from the fifth linear portion, the high-speed transmission connector comprises:
a first insert housing supporting the second linear portion of the first contact row;
a second insert housing supporting the fifth linear portion of the second contact row;
a first conductive resin arranged on an upper surface of the first insert housing; and
a second conductive resin arranged on a lower surface of the second insert housing,
a plurality of first convex portions protruding upward are provided on an upper surface of the first conductive resin, and the first convex portion is electrically connected to the ground contact in the first insert housing through a slit provided in the upper surface of the first insert housing,
a plurality of second convex portions protruding downward are provided on a lower surface of the second conductive resin, and the second convex portion is electrically connected to the ground contact in the second insert housing through a slit provided in the lower surface of the second insert housing.
8. The high-speed transmission connector according to claim 1 , wherein each contact in the first contact row comprises:
a first linear portion extending from a rear end of the receiving portion, a second linear portion extending rearward from the first linear portion, and a third linear portion extending downward from the second linear portion,
each contact in the second contact row comprises:
a fourth linear portion extending from a rear end of the receiving portion, a fifth linear portion extending rearward from the fourth linear portion, and a sixth linear portion extending downward from the fifth linear portion, the high-speed transmission connector further comprises:
a first insert housing supporting the second linear portion of the first contact row;
a second insert housing supporting the fifth linear portion of the second contact row; and
a conductive resin arranged between a lower surface of the first insert housing and an upper surface of the second insert housing,
a plurality of first convex portions protruding upward and a plurality of second convex portions protruding downward are provided on an upper surface and a lower surface of the conductive resin, respectively,
the first convex portion is electrically connected to the ground contact in the first insert housing through a slit provided in the lower surface of the first insert housing,
the second convex portion is electrically connected to the ground contact in the second insert housing through a slit provided in the upper surface of the second insert housing.
9. The high-speed transmission connector according to claim 1 , wherein
each contact in the first contact row comprises:
a first linear portion extending from a rear end of the receiving portion, a second linear portion extending rearward from the first linear portion, and a third linear portion extending downward from the second linear portion,
each contact in the second contact row comprises:
a fourth linear portion extending from a rear end of the receiving portion, a fifth linear portion extending rearward from the fourth linear portion, and a sixth linear portion extending downward from the fifth linear portion,
the high-speed transmission connector comprises a conductive resin arranged between the third linear portion and the sixth linear portion,
a plurality of first convex portions protruding rearward and a plurality of second convex portions protruding forward are provided on a rear surface and a front surface of the conductive resin, respectively,
the first convex portion is electrically connected to the third linear portion, and the second convex portion is electrically connected to the sixth linear portion.
10. A high-speed transmission connector comprising:
a connector housing that comprises a slot into which a header of an external communication device is fitted, and an upper plate portion and a lower plate portion facing each other with the slot sandwiched therebetween, and is provided with holes opened on the slot side in the upper plate portion and the lower plate portion;
a first contact row arranged within the connector housing, in which one or more signal contacts and ground contacts are lined up;
a second contact row arranged face to face with the first contact row within the connector housing, in which one or more signal contacts and ground contacts are lined up;
a first cap attached to a tip end of the first contact row on a side where the header is received; and a second cap attached to a tip end of the second contact row on a side where the header is received,
wherein each contact of the first contact row and the second contact row comprises a receiving portion that receives the header, and the receiving portion comprises a receiving tip end portion located on a first cap side and a second cap side, and a curved portion extending from a rear end of the receiving tip end portion to a side opposite to the first cap side and the second cap side and bent in an arch shape,
the first cap is provided with an accommodation space accommodating the receiving tip end portion of the signal contact of the first contact row, and is supported by the ground contact of the first contact row,
the second cap is provided with an accommodation space accommodating the receiving tip end portion of the signal contact of the second contact row, and is supported by the ground contact of the second contact row.
11. The high-speed transmission connector according to claim 7 , wherein the receiving tip end portion of the signal contact is shorter than the receiving tip end portion of the ground contact.
12. The high-speed transmission connector according to claim 7 , wherein tapered surfaces inclined with respect to a fitting direction are provided on surfaces of the first cap and the second cap on a side where the header is fitted.
13. The high-speed transmission connector according to claim 7 , wherein each contact in the first contact row comprises:
a first linear portion extending from a rear end of the receiving portion, a second linear portion extending rearward from the first linear portion, and a third linear portion extending downward from the second linear portion,
each contact in the second contact row comprises:
a fourth linear portion extending from a rear end of the receiving portion, a fifth linear portion extending rearward from the fourth linear portion, and a sixth linear portion extending downward from the fifth linear portion, the high-speed transmission connector comprises:
a first insert housing supporting the second linear portion of the first contact row;
a second insert housing supporting the fifth linear portion of the second contact row;
a first conductive resin arranged on an upper surface of the first insert housing; and
a second conductive resin arranged on a lower surface of the second insert housing,
a plurality of first convex portions protruding upward are provided on an upper surface of the first conductive resin, and the first convex portion is electrically connected to the ground contact in the first insert housing through a slit provided in the upper surface of the first insert housing,
a plurality of second convex portions protruding downward are provided on a lower surface of the second conductive resin, and the second convex portion is electrically connected to the ground contact in the second insert housing through a slit provided in the lower surface of the second insert housing.
14. The high-speed transmission connector according to claim 7 , wherein each contact in the first contact row comprises:
a first linear portion extending from a rear end of the receiving portion, a second linear portion extending rearward from the first linear portion, and a third linear portion extending downward from the second linear portion,
each contact in the second contact row comprises:
a fourth linear portion extending from a rear end of the receiving portion, a fifth linear portion extending rearward from the fourth linear portion, and a sixth linear portion extending downward from the fifth linear portion, the high-speed transmission connector further comprises:
a first insert housing supporting the second linear portion of the first contact row;
a second insert housing supporting the fifth linear portion of the second contact row; and
a conductive resin arranged between a lower surface of the first insert housing and an upper surface of the second insert housing,
a plurality of first convex portions protruding upward and a plurality of second convex portions protruding downward are provided on an upper surface and a lower surface of the conductive resin, respectively,
the first convex portion is electrically connected to the ground contact in the first insert housing through a slit provided in the lower surface of the first insert housing,
the second convex portion is electrically connected to the ground contact in the second insert housing through a slit provided in the upper surface of the second insert housing.
15. The high-speed transmission connector according to claim 7 , wherein each contact in the first contact row comprises:
a first linear portion extending from a rear end of the receiving portion, a second linear portion extending rearward from the first linear portion, and a third linear portion extending downward from the second linear portion,
each contact in the second contact row comprises:
a fourth linear portion extending from a rear end of the receiving portion, a fifth linear portion extending rearward from the fourth linear portion, and a sixth linear portion extending downward from the fifth linear portion,
the high-speed transmission connector comprises a conductive resin arranged between the third linear portion and the sixth linear portion,
a plurality of first convex portions protruding rearward and a plurality of second convex portions protruding forward are provided on a rear surface and a front surface of the conductive resin, respectively,
the first convex portion is electrically connected to the third linear portion, and the second convex portion is electrically connected to the sixth linear portion.