Electrical connector with improved shielding and electrical connector pair therewith

1 . A first connector that mates with a second connector, comprising:

a first connector main body including a bottom plate and corner parts extending upward from the bottom plate, each corner part having opposite first and second ends, wherein spaces are provided between facing ends of adjacent corner parts, the corner parts defining a circumference of the first connector main body;

a first terminal attached to the first connector main body;

a first high-frequency terminal attached to the first connector main body; and

a first shield surrounding the entire circumference of the first connector main body, the first shield including a plurality of linear parts and a plurality of corner parts, each linear part and each corner part of the first shield including an outer wall, an inner wall formed on an inward side of the outer wall, and a connecting part connecting an upper end of the outer wall and an upper end of the inner wall, wherein respective linear parts extend between respective corner parts of the first shield,

wherein a housing space having a circumference defined by the inner wall is provided, and the second connector is insertable into the housing space,

wherein at least one of the inner walls of the linear parts includes a mating spring part that is configured to elastically connect to a second shield of the second connector, the mating spring part includes an oblique part extending from the connecting part obliquely inward and downward from an inner edge at an upper end thereof, and an inner wall lower part formed at a lower end of the oblique part and which extends downward, and

wherein the corner parts of the first connector main body are integrated with the corner parts of the first shield, and the linear parts of the first shield overlap the spaces and are separated from the first connector main body by the spaces.

2 . The first connector according to claim 1 , wherein the first shield further includes an outwardly extending flange part connected to a lower end of the outer walls, and wherein the outer walls and the flange parts are connected around the entire circumference of the first connector main body.

3 . The first connector according to claim 1 , wherein the mating spring part is separated from other parts of the inner wall at the linear parts by a slit part.

4 . The first connector according to claim 1 , wherein at least one of the corner parts of the first shield includes a gradual oblique surface part that extends from the connecting part obliquely inward and downward and has an oblique angle that is more gradual than the oblique part.

5 . The first connector according to claim 1 , wherein the first connector main body is formed of a constituent material, and a space defined by the outer wall, the inner wall, and the connecting part is filled with the constituent material of the first connector main body in each corner part of the first shield.

6 . The first connector according to claim 5 , wherein the inner wall of each corner part of the first shield has a lockable part, and the constituent material has locking parts that engage with the lockable parts.

7 . A connector pair, comprising the first connector according to claim 1 and the second connector that mates with the first connector.

8 . The connector pair according to claim 7 , wherein

the second connector includes:

a second connector main body;

a second terminal attached to the second connector main body;

a second high-frequency terminal attached to the second connector main body; and

a second shield surrounding an entire circumference of the second connector main body;

the second shield including a second inner shield extending in a width direction of the second connector between the second terminal and the second high-frequency terminal; and

wherein when the first and second connectors are mated, the first and second shields make electrically conductive contact.

9 . A first connector that mates with a second connector in a mating direction, comprising:

a first connector main body formed of a constituent material and including a bottom plate and corner parts extending upward from the bottom plate, each corner part having opposite first and second ends, wherein spaces are provided between facing ends of adjacent corner parts, the corner parts defining a circumference of the first connector main body;

a first terminal attached to the first connector main body;

a first high-frequency terminal attached to the first connector main body; and

a first shield that encompasses the first connector main body,

the first shield including four linear parts and four corner parts, each linear part and each corner part of the first shield including an outer wall, an inner wall inside the outer wall and approximately parallel to the outer wall, and a connecting part connecting an upper end of the outer wall to an upper end of the inner wall, wherein a space defined by the outer wall, the inner wall, and the connecting part in each corner part of the first shield is filled with the constituent material of the first connector main body such that the corner parts of the first connector main body are formed, the inner wall of each linear part includes a mating spring part configured to contact the second connector, and

wherein when viewed from the mating direction, the mating spring parts align with the spaces, and the mating spring parts do not overlap with the first terminal or with the first high-frequency terminal.

10 . The first connector according to claim 9 ,

wherein a housing space having a circumference defined by the inner wall is provided, and the second connector is insertable into the housing space; and

wherein each mating spring part includes an oblique part extending from the connecting part obliquely inward and downward, and an inner wall lower part formed at a lower end of the oblique part and which extends downward.

11 . The first connector according to claim 9 , wherein each corner part of the first connector main body has cylindrical inner wall which defines an arc length, and the arc length of the cylindrical inner wall of respective corner part of the first connector main body is shorter than an arc length of a lower end of the inner wall of the first shield in the respective corner part of the first connector main body.

12 . The first connector according to claim 11 , wherein the lower end of the outer wall of the first shield at the respective corner part includes a flange part.

13 . The first connector according to claim 9 , wherein a location of a lower end of the first connector main body at the respective corner part of the first connector main body is higher than a location of a lower end of the outer wall of the first shield at the respective corner part of the first connector main body.

14 . The first connector according to claim 9 , wherein the inner wall of each corner part of the first shield has a lockable part, and the constituent material has locking parts that engage with the lockable parts.

15 . A connector pair, comprising: the first connector according to claim 9 , and the second connector that mates with the first connector.

16 . The connector pair according to claim 15 , wherein

the second connector includes:

a second connector main body;

a second terminal attached to the second connector main body;

a second high-frequency terminal attached to the second connector main body; and

a second shield surrounding an entire circumference of the second connector main body;

the second shield including a second inner shield extending in a width direction of the second connector between the second terminal and the second high-frequency terminal; and

wherein when the first and second connectors are mated, the first and second shields make electrically conductive contact.

17 . The first connector according to claim 9 , wherein each mating spring part is formed of an oblique surface part.

18 . A first connector that mates with a second connector in a mating direction, comprising:

a first connector main body formed of a constituent material;

a first terminal attached to the first connector main body;

a first high-frequency terminal attached to the first connector main body; and

a first shield that encompasses the first connector main body, the first shield including four linear parts and four corner parts, each linear part and each corner part including an outer wall, an inner wall inside the outer wall and approximately parallel to the outer wall, and a connecting part connecting an upper end of the outer wall to an upper end of the inner wall, wherein a space defined by the outer wall, the inner wall, and the connecting part in each corner part is filled with the constituent material of the first connector main body,

the inner wall of each linear part includes a mating spring part configured to contact the second connector,

the inner wall of each corner part having a lockable part, and the constituent material has locking parts that engage with the lockable parts, and

wherein when viewed from the mating direction, the first connector body is not present in regions where the mating spring parts are provided, and the mating spring parts do not overlap with the first terminal or with the first high-frequency terminal.

19 . The first connector according to claim 18 , wherein each mating spring part is formed of an oblique surface part.

20 . A connector pair, comprising: the first connector according to claim 18 , and the second connector that mates with the first connector.